def printGoodConnection(connection, seconds):
print(" Handshake time: %.3f seconds" % seconds)
print(" Version: %s" % connection.getVersionName())
print(" Cipher: %s %s" %
(connection.getCipherName(), connection.getCipherImplementation()))
print(" Ciphersuite: {0}". \
format(CipherSuite.ietfNames[connection.session.cipherSuite]))
if connection.session.srpUsername:
print(" Client SRP username: %s" % connection.session.srpUsername)
if connection.session.clientCertChain:
if connection.session.clientCertChain.is_fido2_cert_chain():
fido2_mode = connection.session.clientCertChain.get_fido2_mode()
fido2_string = "(FIDO2: " + FIDO2Mode.toRepr(fido2_mode) + ")"
else:
fido2_string = ""
print(" Client X.509 SHA1 fingerprint: %s %s" %
(connection.session.clientCertChain.getFingerprint(),
fido2_string))
else:
print(" No client certificate provided by peer")
if connection.session.serverCertChain:
print(" Server X.509 SHA1 fingerprint: %s" %
connection.session.serverCertChain.getFingerprint())
if connection.version >= (3, 3) and connection.serverSigAlg is not None:
scheme = SignatureScheme.toRepr(connection.serverSigAlg)
if scheme is None:
scheme = "{1}+{0}".format(
HashAlgorithm.toStr(connection.serverSigAlg[0]),
SignatureAlgorithm.toStr(connection.serverSigAlg[1]))
print(" Key exchange signature: {0}".format(scheme))
if connection.ecdhCurve is not None:
print(" Group used for key exchange: {0}".format( \
GroupName.toStr(connection.ecdhCurve)))
if connection.dhGroupSize is not None:
print(" DH group size: {0} bits".format(connection.dhGroupSize))
if connection.session.serverName:
print(" SNI: %s" % connection.session.serverName)
if connection.session.tackExt:
if connection.session.tackInHelloExt:
emptyStr = "\n (via TLS Extension)"
else:
emptyStr = "\n (via TACK Certificate)"
print(" TACK: %s" % emptyStr)
print(str(connection.session.tackExt))
if connection.session.appProto:
print(" Application Layer Protocol negotiated: {0}".format(
connection.session.appProto.decode('utf-8')))
print(" Next-Protocol Negotiated: %s" % connection.next_proto)
print(" Encrypt-then-MAC: {0}".format(connection.encryptThenMAC))
print(" Extended Master Secret: {0}".format(
connection.extendedMasterSecret))
def printGoodConnection(connection, seconds, hv=None):
print(" Handshake time: %.3f seconds" % seconds)
print(" Version: %s" % connection.getVersionName())
print(" Cipher: %s %s" % (connection.getCipherName(),
connection.getCipherImplementation()))
print(" Ciphersuite: {0}".\
format(CipherSuite.ietfNames[connection.session.cipherSuite]))
if connection.session.srpUsername:
print(" Client SRP username: %s" % connection.session.srpUsername)
if connection.session.clientCertChain:
print(" Client X.509 SHA1 fingerprint: %s" %
connection.session.clientCertChain.getFingerprint())
else:
print(" No client certificate provided by peer")
if connection.session.serverCertChain:
print(" Server X.509 SHA1 fingerprint: %s" %
connection.session.serverCertChain.getFingerprint())
if connection.version >= (3, 3) and connection.serverSigAlg is not None:
scheme = SignatureScheme.toRepr(connection.serverSigAlg)
if scheme is None:
scheme = "{1}+{0}".format(
HashAlgorithm.toStr(connection.serverSigAlg[0]),
SignatureAlgorithm.toStr(connection.serverSigAlg[1]))
print(" Key exchange signature: {0}".format(scheme))
if connection.ecdhCurve is not None:
print(" Group used for key exchange: {0}".format(\
GroupName.toStr(connection.ecdhCurve)))
if connection.dhGroupSize is not None:
print(" DH group size: {0} bits".format(connection.dhGroupSize))
if connection.session.serverName:
print(" SNI: %s" % connection.session.serverName)
if connection.session.tackExt:
if connection.session.tackInHelloExt:
emptyStr = "\n (via TLS Extension)"
else:
emptyStr = "\n (via TACK Certificate)"
print(" TACK: %s" % emptyStr)
print(str(connection.session.tackExt))
if connection.session.appProto:
print(" Application Layer Protocol negotiated: {0}".format(
connection.session.appProto.decode('utf-8')))
print(" Next-Protocol Negotiated: %s" % connection.next_proto)
print(" Encrypt-then-MAC: {0}".format(connection.encryptThenMAC))
print(" Extended Master Secret: {0}".format(connection.extendedMasterSecret))
# PGP #
from hashlib import sha256
sha_ = sha256(connection.session.masterSecret)
print("SHA256 of this session's master secret:\n",sha_.hexdigest())
if hv is not None:
hv.hvSignal.emit(bytearray(sha_.digest()))
def printGoodConnection(connection, seconds):
print(" Handshake time: %.3f seconds" % seconds)
print(" Version: %s" % connection.getVersionName())
print(" Cipher: %s %s" % (connection.getCipherName(),
connection.getCipherImplementation()))
print(" Ciphersuite: {0}".\
format(CipherSuite.ietfNames[connection.session.cipherSuite]))
if connection.session.srpUsername:
print(" Client SRP username: %s" % connection.session.srpUsername)
if connection.session.clientCertChain:
print(" Client X.509 SHA1 fingerprint: %s" %
connection.session.clientCertChain.getFingerprint())
else:
print(" No client certificate provided by peer")
if connection.session.serverCertChain:
print(" Server X.509 SHA1 fingerprint: %s" %
connection.session.serverCertChain.getFingerprint())
if connection.version >= (3, 3) and connection.serverSigAlg is not None:
scheme = SignatureScheme.toRepr(connection.serverSigAlg)
if scheme is None:
scheme = "{1}+{0}".format(
HashAlgorithm.toStr(connection.serverSigAlg[0]),
SignatureAlgorithm.toStr(connection.serverSigAlg[1]))
print(" Key exchange signature: {0}".format(scheme))
if connection.ecdhCurve is not None:
print(" Group used for key exchange: {0}".format(\
GroupName.toStr(connection.ecdhCurve)))
if connection.dhGroupSize is not None:
print(" DH group size: {0} bits".format(connection.dhGroupSize))
if connection.session.serverName:
print(" SNI: %s" % connection.session.serverName)
if connection.session.tackExt:
if connection.session.tackInHelloExt:
emptyStr = "\n (via TLS Extension)"
else:
emptyStr = "\n (via TACK Certificate)"
print(" TACK: %s" % emptyStr)
print(str(connection.session.tackExt))
if connection.session.appProto:
print(" Application Layer Protocol negotiated: {0}".format(
connection.session.appProto.decode('utf-8')))
print(" Next-Protocol Negotiated: %s" % connection.next_proto)
print(" Encrypt-then-MAC: {0}".format(connection.encryptThenMAC))
print(" Extended Master Secret: {0}".format(
connection.extendedMasterSecret))
def process(self, state, msg):
"""
@type state: ConnectionState
"""
assert msg.contentType == ContentType.handshake
parser = Parser(msg.write())
hs_type = parser.get(1)
assert hs_type == HandshakeType.certificate_verify
if self.version is None:
self.version = state.version
cert_v = CertificateVerify(self.version)
cert_v.parse(parser)
if self.sig_alg:
assert self.sig_alg == cert_v.signatureAlgorithm
else:
c_hello = state.get_last_message_of_type(ClientHello)
ext = c_hello.getExtension(ExtensionType.signature_algorithms)
assert cert_v.signatureAlgorithm in ext.sigalgs
salg = cert_v.signatureAlgorithm
scheme = SignatureScheme.toRepr(salg)
hash_name = SignatureScheme.getHash(scheme)
transcript_hash = state.handshake_hashes.digest(state.prf_name)
sig_context = bytearray(b'\x20' * 64 +
b'TLS 1.3, server CertificateVerify' +
b'\x00') + transcript_hash
if not state.get_server_public_key().hashAndVerify(
cert_v.signature,
sig_context,
SignatureScheme.getPadding(scheme),
hash_name,
getattr(hashlib, hash_name)().digest_size):
raise AssertionError("Signature verification failed")
state.handshake_messages.append(cert_v)
state.handshake_hashes.update(msg.write())
def main():
host = "localhost"
port = 4433
num_limit = None
run_exclude = set()
expected_failures = {}
last_exp_tmp = None
test_rsa = False
argv = sys.argv[1:]
opts, args = getopt.getopt(argv, "h:p:e:x:X:n:b", ["help"])
for opt, arg in opts:
if opt == '-h':
host = arg
elif opt == '-p':
port = int(arg)
elif opt == '-e':
run_exclude.add(arg)
elif opt == '-x':
expected_failures[arg] = None
last_exp_tmp = str(arg)
elif opt == '-X':
if not last_exp_tmp:
raise ValueError("-x has to be specified before -X")
expected_failures[last_exp_tmp] = str(arg)
elif opt == '-n':
num_limit = int(arg)
elif opt == '-b':
test_rsa = True
elif opt == '--help':
help_msg()
sys.exit(0)
else:
raise ValueError("Unknown option: {0}".format(opt))
if args:
run_only = set(args)
else:
run_only = None
conversations = {}
conversation = Connect(host, port)
node = conversation
ciphers = [
CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
ext = {}
groups = [GroupName.secp256r1]
key_shares = []
for group in groups:
key_shares.append(key_share_gen(group))
ext[ExtensionType.key_share] = ClientKeyShareExtension().create(key_shares)
ext[ExtensionType.supported_versions] = SupportedVersionsExtension()\
.create([TLS_1_3_DRAFT, (3, 3)])
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
sig_algs = [
SignatureScheme.rsa_pss_pss_sha256, SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_pss_sha512
]
if test_rsa:
sig_algs += [
SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_rsae_sha512
]
ext[ExtensionType.signature_algorithms] = SignatureAlgorithmsExtension()\
.create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = SignatureAlgorithmsCertExtension()\
.create(RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(FinishedGenerator())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\r\n\r\n")))
# This message is optional and may show up 0 to many times
cycle = ExpectNewSessionTicket()
node = node.add_child(cycle)
node.add_child(cycle)
node.next_sibling = ExpectApplicationData()
node = node.next_sibling.add_child(
AlertGenerator(AlertLevel.warning, AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
conversations["sanity"] = conversation
# rsaEncryption
for sig_alg in [
SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_rsae_sha512
]:
conversation = Connect(host, port)
node = conversation
ciphers = [
CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
ext = {}
groups = [GroupName.secp256r1]
key_shares = []
for group in groups:
key_shares.append(key_share_gen(group))
ext[ExtensionType.key_share] = ClientKeyShareExtension().create(
key_shares)
ext[ExtensionType.supported_versions] = SupportedVersionsExtension()\
.create([TLS_1_3_DRAFT, (3, 3)])
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
sig_algs = [sig_alg]
ext[ExtensionType.signature_algorithms] = SignatureAlgorithmsExtension()\
.create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = SignatureAlgorithmsCertExtension()\
.create(RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
if test_rsa:
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(FinishedGenerator())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\r\n\r\n")))
# This message is optional and may show up 0 to many times
cycle = ExpectNewSessionTicket()
node = node.add_child(cycle)
node.add_child(cycle)
node.next_sibling = ExpectApplicationData()
node = node.next_sibling.add_child(
AlertGenerator(AlertLevel.warning,
AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
else:
node = node.add_child(
ExpectAlert(AlertLevel.fatal,
AlertDescription.handshake_failure))
node = node.add_child(ExpectClose())
conversations["tls13 signature {0}".format(
SignatureScheme.toRepr(sig_alg))] = conversation
# RSASSA-PSS
for sig_alg in [
SignatureScheme.rsa_pss_pss_sha256,
SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_pss_sha512
]:
conversation = Connect(host, port)
node = conversation
ciphers = [
CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
ext = {}
groups = [GroupName.secp256r1]
key_shares = []
for group in groups:
key_shares.append(key_share_gen(group))
ext[ExtensionType.key_share] = ClientKeyShareExtension().create(
key_shares)
ext[ExtensionType.supported_versions] = SupportedVersionsExtension()\
.create([TLS_1_3_DRAFT, (3, 3)])
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
sig_algs = [sig_alg]
ext[ExtensionType.signature_algorithms] = SignatureAlgorithmsExtension()\
.create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = SignatureAlgorithmsCertExtension()\
.create(RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(FinishedGenerator())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\r\n\r\n")))
# This message is optional and may show up 0 to many times
cycle = ExpectNewSessionTicket()
node = node.add_child(cycle)
node.add_child(cycle)
node.next_sibling = ExpectApplicationData()
node = node.next_sibling.add_child(
AlertGenerator(AlertLevel.warning, AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
conversations["tls13 signature {0}".format(
SignatureScheme.toRepr(sig_alg))] = conversation
# run the conversation
good = 0
bad = 0
xfail = 0
xpass = 0
failed = []
xpassed = []
if not num_limit:
num_limit = len(conversations)
# make sure that sanity test is run first and last
# to verify that server was running and kept running throughout
sanity_tests = [('sanity', conversations['sanity'])]
if run_only:
if num_limit > len(run_only):
num_limit = len(run_only)
regular_tests = [(k, v) for k, v in conversations.items()
if k in run_only]
else:
regular_tests = [(k, v) for k, v in conversations.items()
if (k != 'sanity') and k not in run_exclude]
sampled_tests = sample(regular_tests, min(num_limit, len(regular_tests)))
ordered_tests = chain(sanity_tests, sampled_tests, sanity_tests)
for c_name, c_test in ordered_tests:
if run_only and c_name not in run_only or c_name in run_exclude:
continue
print("{0} ...".format(c_name))
runner = Runner(c_test)
res = True
exception = None
try:
runner.run()
except Exception as exp:
exception = exp
print("Error while processing")
print(traceback.format_exc())
res = False
if c_name in expected_failures:
if res:
xpass += 1
xpassed.append(c_name)
print("XPASS-expected failure but test passed\n")
else:
if expected_failures[c_name] is not None and \
expected_failures[c_name] not in str(exception):
bad += 1
failed.append(c_name)
print("Expected error message: {0}\n".format(
expected_failures[c_name]))
else:
xfail += 1
print("OK-expected failure\n")
else:
if res:
good += 1
print("OK\n")
else:
bad += 1
failed.append(c_name)
print("Test script for all supported signatures in TLS 1.3.")
print("Check that server will send the Certificate Verify message")
print("for signatures with RSASSA-PSS encryption certificate.")
print("If both rsaEncryption and RSASSA-PSS certificate are present,")
print("add '-b' argument.\n")
print("Test end")
print(20 * '=')
print("version: {0}".format(version))
print(20 * '=')
print("TOTAL: {0}".format(len(sampled_tests) + 2 * len(sanity_tests)))
print("SKIP: {0}".format(
len(run_exclude.intersection(conversations.keys()))))
print("PASS: {0}".format(good))
print("XFAIL: {0}".format(xfail))
print("FAIL: {0}".format(bad))
print("XPASS: {0}".format(xpass))
print(20 * '=')
sort = sorted(xpassed, key=natural_sort_keys)
if len(sort):
print("XPASSED:\n\t{0}".format('\n\t'.join(repr(i) for i in sort)))
sort = sorted(failed, key=natural_sort_keys)
if len(sort):
print("FAILED:\n\t{0}".format('\n\t'.join(repr(i) for i in sort)))
if bad > 0:
sys.exit(1)
def main():
"""Check that server propoerly rejects pkcs1 signatures in TLS 1.3"""
hostname = "localhost"
port = 4433
num_limit = None
run_exclude = set()
cert = None
private_key = None
# algorithms to expect from server in Certificate Request
cr_sigalgs = [
SignatureScheme.ecdsa_secp521r1_sha512,
SignatureScheme.ecdsa_secp384r1_sha384,
SignatureScheme.ecdsa_secp256r1_sha256,
(HashAlgorithm.sha224, SignatureAlgorithm.ecdsa),
(HashAlgorithm.sha1,
SignatureAlgorithm.ecdsa), SignatureScheme.rsa_pss_rsae_sha512,
SignatureScheme.rsa_pss_pss_sha512,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_pss_sha256, SignatureScheme.rsa_pkcs1_sha512,
SignatureScheme.rsa_pkcs1_sha384, SignatureScheme.rsa_pkcs1_sha256,
SignatureScheme.rsa_pkcs1_sha224, SignatureScheme.rsa_pkcs1_sha1
]
# algorithms to advertise in ClientHello
sig_algs = [
SignatureScheme.ecdsa_secp521r1_sha512,
SignatureScheme.ecdsa_secp384r1_sha384,
SignatureScheme.ecdsa_secp256r1_sha256,
SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_pss_sha256,
SignatureScheme.rsa_pss_rsae_sha384, SignatureScheme.rsa_pss_pss_sha384
]
hashalgs = hashes_to_list("sha256 sha384 sha512")
argv = sys.argv[1:]
opts, args = getopt.getopt(argv, "h:p:e:n:s:k:c:", ["help", "hash-order="])
for opt, arg in opts:
if opt == '-h':
host = arg
elif opt == '-p':
port = int(arg)
elif opt == '-e':
run_exclude.add(arg)
elif opt == '-n':
num_limit = int(arg)
elif opt == '--help':
help_msg()
sys.exit(0)
elif opt == '-s':
cr_sigalgs = sig_algs_to_ids(arg)
elif opt == '--hash-order':
hashalgs = hashes_to_list(arg)
elif opt == '-k':
text_key = open(arg, 'rb').read()
if sys.version_info[0] >= 3:
text_key = str(text_key, 'utf-8')
private_key = parsePEMKey(text_key, private=True)
elif opt == '-c':
text_cert = open(arg, 'rb').read()
if sys.version_info[0] >= 3:
text_cert = str(text_cert, 'utf-8')
cert = X509()
cert.parse(text_cert)
else:
raise ValueError("Unknown option: {0}".format(opt))
if args:
run_only = set(args)
else:
run_only = None
if not cert or not private_key:
raise Exception("A Client certificate and a private key are required")
certType = cert.certAlg
conversations = {}
conversations_long = {}
# sanity check for Client Certificates
conversation = Connect(hostname, port)
node = conversation
ciphers = [
CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
ext = {}
groups = [GroupName.secp256r1]
ext[ExtensionType.key_share] = key_share_ext_gen(groups)
ext[ExtensionType.supported_versions] = \
SupportedVersionsExtension().create([(3, 4), (3, 3)])
ext[ExtensionType.supported_groups] = \
SupportedGroupsExtension().create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(ECDSA_SIG_ALL + RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(CertificateVerifyGenerator(private_key))
node = node.add_child(FinishedGenerator())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\r\n\r\n")))
# This message is optional and may show up 0 to many times
cycle = ExpectNewSessionTicket()
node = node.add_child(cycle)
node.add_child(cycle)
node.next_sibling = ExpectApplicationData()
node = node.next_sibling.add_child(
AlertGenerator(AlertLevel.warning, AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
conversations["sanity"] = conversation
# verify the advertised hashes
conversation = Connect(hostname, port)
node = conversation
ciphers = [
CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
ext = {}
groups = [GroupName.secp256r1]
ext[ExtensionType.key_share] = key_share_ext_gen(groups)
ext[ExtensionType.supported_versions] = \
SupportedVersionsExtension().create([(3, 4), (3, 3)])
ext[ExtensionType.supported_groups] = \
SupportedGroupsExtension().create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(ECDSA_SIG_ALL + RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificateRequest(cr_sigalgs))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(CertificateGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\r\n\r\n")))
# This message is optional and may show up 0 to many times
cycle = ExpectNewSessionTicket()
node = node.add_child(cycle)
node.add_child(cycle)
node.next_sibling = ExpectApplicationData()
node = node.next_sibling.add_child(
AlertGenerator(AlertLevel.warning, AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
conversations["check sigalgs in cert request"] = conversation
for sigalg in ECDSA_SIG_ALL:
# set if test should succeed or fail based on cert type,
# advertisement and forbidden algorithms
expectPass = False
if len(private_key) == 256 and \
sigalg == SignatureScheme.ecdsa_secp256r1_sha256:
expectPass = True
elif len(private_key) == 384 and \
sigalg == SignatureScheme.ecdsa_secp384r1_sha384:
expectPass = True
elif len(private_key) == 521 and \
sigalg == SignatureScheme.ecdsa_secp521r1_sha512:
expectPass = True
# expect failure if an algorithm is not advertized
if sigalg not in cr_sigalgs:
expectPass = False
conversation = Connect(hostname, port)
node = conversation
ciphers = [
CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
ext = {}
# NOTE: groups do NOT influence the signature negotiation
groups = [GroupName.secp256r1]
ext[ExtensionType.key_share] = key_share_ext_gen(groups)
ext[ExtensionType.supported_versions] = \
SupportedVersionsExtension().create([(3, 4), (3, 3)])
ext[ExtensionType.supported_groups] = \
SupportedGroupsExtension().create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(ECDSA_SIG_ALL +
RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
# force sigalg
node = node.add_child(
CertificateVerifyGenerator(private_key, msg_alg=sigalg))
node = node.add_child(FinishedGenerator())
result = "works"
# only signatures of matching certificate type should work
if expectPass:
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\r\n\r\n")))
# This message is optional and may show up 0 to many times
cycle = ExpectNewSessionTicket()
node = node.add_child(cycle)
node.add_child(cycle)
node.next_sibling = ExpectApplicationData()
node = node.next_sibling.add_child(
AlertGenerator(AlertLevel.warning,
AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
else:
node = node.add_child(
ExpectAlert(AlertLevel.fatal,
AlertDescription.illegal_parameter))
node.add_child(ExpectClose())
result = "is refused"
name = SignatureScheme.toRepr(sigalg)
if not name:
name = "{0}+{1}".format(HashAlgorithm.toStr(sigalg[0]),
SignatureAlgorithm.toStr(sigalg[1]))
conversations["check {0} signature {1}".format(name,
result)] = conversation
# verify that an ECDSA signature with mismatched message hash fails
if len(private_key) == 256:
sig_alg = SignatureScheme.ecdsa_secp384r1_sha384
msg_alg = SignatureScheme.ecdsa_secp256r1_sha256
elif len(private_key) == 384:
sig_alg = SignatureScheme.ecdsa_secp256r1_sha256
msg_alg = SignatureScheme.ecdsa_secp384r1_sha384
else:
assert len(private_key) == 521
sig_alg = SignatureScheme.ecdsa_secp384r1_sha384
msg_alg = SignatureScheme.ecdsa_secp521r1_sha512
conversation = Connect(hostname, port)
node = conversation
ciphers = [
CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
ext = {}
groups = [GroupName.secp256r1]
ext[ExtensionType.key_share] = key_share_ext_gen(groups)
ext[ExtensionType.supported_versions] = \
SupportedVersionsExtension().create([(3, 4), (3, 3)])
ext[ExtensionType.supported_groups] = \
SupportedGroupsExtension().create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(ECDSA_SIG_ALL + RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(
CertificateVerifyGenerator(private_key,
sig_alg=sig_alg,
msg_alg=msg_alg))
node = node.add_child(FinishedGenerator())
node = node.add_child(
ExpectAlert(AlertLevel.fatal, AlertDescription.decrypt_error))
node.add_child(ExpectClose())
conversations["check ecdsa signature with mismatched hash fails"] = \
conversation
# check that fuzzed signatures are rejected
if len(private_key) == 256:
# bacause of DER encoding of the signature, the mapping between key size
# and signature size is non-linear
siglen = 70
elif len(private_key) == 384:
siglen = 103
else:
assert len(private_key) == 521
siglen = 137
for pos in range(siglen):
for xor in [0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80]:
conversation = Connect(hostname, port)
node = conversation
ciphers = [
CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
ext = {}
groups = [GroupName.secp256r1]
ext[ExtensionType.key_share] = key_share_ext_gen(groups)
ext[ExtensionType.supported_versions] = \
SupportedVersionsExtension().create([(3, 4), (3, 3)])
ext[ExtensionType.supported_groups] = \
SupportedGroupsExtension().create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(ECDSA_SIG_ALL + \
RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers,
extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(
CertificateVerifyGenerator(private_key,
padding_xors={pos: xor}))
node = node.add_child(FinishedGenerator())
node = node.add_child(
ExpectAlert(AlertLevel.fatal, AlertDescription.decrypt_error))
node.add_child(ExpectClose())
conversations_long["check that fuzzed signatures are rejected." +
" Malformed {0} - xor {1} at {2}".format(
certType, hex(xor), pos)] = conversation
# run the conversation
good = 0
bad = 0
failed = []
if not num_limit:
num_limit = len(conversations_long)
# make sure that sanity test is run first and last
# to verify that server was running and kept running throught
sanity_test = ('sanity', conversations['sanity'])
ordered_tests = chain([sanity_test],
filter(lambda x: x[0] != 'sanity',
conversations.items()),
islice(conversations_long.items(), num_limit),
[sanity_test])
for c_name, c_test in ordered_tests:
if run_only and c_name not in run_only or c_name in run_exclude:
continue
print("{0} ...".format(c_name))
runner = Runner(c_test)
res = True
try:
runner.run()
except Exception:
print("Error while processing")
print(traceback.format_exc())
res = False
if res:
good += 1
print("OK\n")
else:
bad += 1
failed.append(c_name)
print("Test to verify that server properly accepts or refuses")
print("ECDSA signatures in TLS1.3; SHA224 and SHA1 signatures are always")
print("refused, Other signatures are accepted or refused accordingly to")
print("the key provided.\n")
print("Test should be run three times, once each with P-256, P-384 and")
print("P-521 client certificate.\n")
print("version: {0}\n".format(version))
print("Test end")
print("successful: {0}".format(good))
print("failed: {0}".format(bad))
failed_sorted = sorted(failed, key=natural_sort_keys)
print(" {0}".format('\n '.join(repr(i) for i in failed_sorted)))
if bad > 0:
sys.exit(1)
def main():
host = "localhost"
port = 4433
num_limit = None
run_exclude = set()
test_rsa = False
argv = sys.argv[1:]
opts, args = getopt.getopt(argv, "h:p:e:n:b", ["help"])
for opt, arg in opts:
if opt == '-h':
host = arg
elif opt == '-p':
port = int(arg)
elif opt == '-e':
run_exclude.add(arg)
elif opt == '-n':
num_limit = int(arg)
elif opt == '-b':
test_rsa = True
elif opt == '--help':
help_msg()
sys.exit(0)
else:
raise ValueError("Unknown option: {0}".format(opt))
if args:
run_only = set(args)
else:
run_only = None
conversations = {}
conversation = Connect(host, port)
node = conversation
ciphers = [CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
ext = {}
groups = [GroupName.secp256r1]
key_shares = []
for group in groups:
key_shares.append(key_share_gen(group))
ext[ExtensionType.key_share] = ClientKeyShareExtension().create(key_shares)
ext[ExtensionType.supported_versions] = SupportedVersionsExtension()\
.create([TLS_1_3_DRAFT, (3, 3)])
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
sig_algs = [SignatureScheme.rsa_pss_pss_sha256,
SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_pss_sha512]
if test_rsa:
sig_algs += [SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_rsae_sha512]
ext[ExtensionType.signature_algorithms] = SignatureAlgorithmsExtension()\
.create(sig_algs)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(FinishedGenerator())
node = node.add_child(ApplicationDataGenerator(
bytearray(b"GET / HTTP/1.0\r\n\r\n")))
# This message is optional and may show up 0 to many times
cycle = ExpectNewSessionTicket()
node = node.add_child(cycle)
node.add_child(cycle)
node.next_sibling = ExpectApplicationData()
node = node.next_sibling.add_child(AlertGenerator(AlertLevel.warning,
AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
conversations["sanity"] = conversation
# rsaEncryption
for sig_alg in [SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_rsae_sha512]:
conversation = Connect(host, port)
node = conversation
ciphers = [CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
ext = {}
groups = [GroupName.secp256r1]
key_shares = []
for group in groups:
key_shares.append(key_share_gen(group))
ext[ExtensionType.key_share] = ClientKeyShareExtension().create(key_shares)
ext[ExtensionType.supported_versions] = SupportedVersionsExtension()\
.create([TLS_1_3_DRAFT, (3, 3)])
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
sig_algs = [sig_alg]
ext[ExtensionType.signature_algorithms] = SignatureAlgorithmsExtension()\
.create(sig_algs)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
if test_rsa:
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(FinishedGenerator())
node = node.add_child(ApplicationDataGenerator(
bytearray(b"GET / HTTP/1.0\r\n\r\n")))
# This message is optional and may show up 0 to many times
cycle = ExpectNewSessionTicket()
node = node.add_child(cycle)
node.add_child(cycle)
node.next_sibling = ExpectApplicationData()
node = node.next_sibling.add_child(AlertGenerator(AlertLevel.warning,
AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
else:
node = node.add_child(ExpectAlert(AlertLevel.fatal,
AlertDescription.handshake_failure))
node = node.add_child(ExpectClose())
conversations["tls13 signature {0}".format(SignatureScheme.toRepr(sig_alg))] = conversation
# RSASSA-PSS
for sig_alg in [SignatureScheme.rsa_pss_pss_sha256,
SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_pss_sha512]:
conversation = Connect(host, port)
node = conversation
ciphers = [CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
ext = {}
groups = [GroupName.secp256r1]
key_shares = []
for group in groups:
key_shares.append(key_share_gen(group))
ext[ExtensionType.key_share] = ClientKeyShareExtension().create(key_shares)
ext[ExtensionType.supported_versions] = SupportedVersionsExtension()\
.create([TLS_1_3_DRAFT, (3, 3)])
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
sig_algs = [sig_alg]
ext[ExtensionType.signature_algorithms] = SignatureAlgorithmsExtension()\
.create(sig_algs)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(FinishedGenerator())
node = node.add_child(ApplicationDataGenerator(
bytearray(b"GET / HTTP/1.0\r\n\r\n")))
# This message is optional and may show up 0 to many times
cycle = ExpectNewSessionTicket()
node = node.add_child(cycle)
node.add_child(cycle)
node.next_sibling = ExpectApplicationData()
node = node.next_sibling.add_child(AlertGenerator(AlertLevel.warning,
AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
conversations["tls13 signature {0}".format(SignatureScheme.toRepr(sig_alg))] = conversation
# run the conversation
good = 0
bad = 0
failed = []
if not num_limit:
num_limit = len(conversations)
# make sure that sanity test is run first and last
# to verify that server was running and kept running throught
sanity_test = ('sanity', conversations['sanity'])
ordered_tests = chain([sanity_test],
islice(filter(lambda x: x[0] != 'sanity',
conversations.items()), num_limit),
[sanity_test])
for c_name, c_test in ordered_tests:
if run_only and c_name not in run_only or c_name in run_exclude:
continue
print("{0} ...".format(c_name))
runner = Runner(c_test)
res = True
try:
runner.run()
except Exception:
print("Error while processing")
print(traceback.format_exc())
res = False
if res:
good += 1
print("OK\n")
else:
bad += 1
failed.append(c_name)
print("Test script for all supported signatures in TLS 1.3.")
print("Check that server will send the Certificate Verify message")
print("for signatures with RSASSA-PSS encryption certificate.")
print("If both rsaEncryption and RSASSA-PSS certificate are present,")
print("add '-b' argument.\n")
print("version: {0}\n".format(version))
print("Test end")
print("successful: {0}".format(good))
print("failed: {0}".format(bad))
failed_sorted = sorted(failed, key=natural_sort_keys)
print(" {0}".format('\n '.join(repr(i) for i in failed_sorted)))
if bad > 0:
sys.exit(1)
def main():
host = "localhost"
port = 4433
num_limit = None
run_exclude = set()
private_key = None
cert = None
sigalgs = [SignatureScheme.rsa_pss_sha512,
SignatureScheme.rsa_pss_sha384,
SignatureScheme.rsa_pss_sha256,
(HashAlgorithm.sha512, SignatureAlgorithm.rsa),
(HashAlgorithm.sha384, SignatureAlgorithm.rsa),
(HashAlgorithm.sha256, SignatureAlgorithm.rsa),
(HashAlgorithm.sha224, SignatureAlgorithm.rsa),
(HashAlgorithm.sha1, SignatureAlgorithm.rsa)]
argv = sys.argv[1:]
opts, args = getopt.getopt(argv, "h:p:e:n:k:c:s:", ["help"])
for opt, arg in opts:
if opt == '-k':
text_key = open(arg, 'rb').read()
if sys.version_info[0] >= 3:
text_key = str(text_key, 'utf-8')
private_key = parsePEMKey(text_key, private=True,
implementations=["python"])
elif opt == '-c':
text_cert = open(arg, 'rb').read()
if sys.version_info[0] >= 3:
text_cert = str(text_cert, 'utf-8')
cert = X509()
cert.parse(text_cert)
elif opt == '-s':
sigalgs = sig_algs_to_ids(arg)
elif opt == '-h':
host = arg
elif opt == '-p':
port = int(arg)
elif opt == '-e':
run_exclude.add(arg)
elif opt == '-n':
num_limit = int(arg)
elif opt == '--help':
help_msg()
sys.exit(0)
else:
raise ValueError("Unknown option: {0}".format(opt))
if args:
run_only = set(args)
else:
run_only = None
if not private_key:
raise ValueError("Specify private key file using -k")
if not cert:
raise ValueError("Specify certificate file using -c")
conversations = {}
conversation = Connect(host, port)
node = conversation
sigs = [SignatureScheme.rsa_pss_sha512,
SignatureScheme.rsa_pss_sha384,
SignatureScheme.rsa_pss_sha256,
(HashAlgorithm.sha512, SignatureAlgorithm.rsa),
(HashAlgorithm.sha384, SignatureAlgorithm.rsa),
(HashAlgorithm.sha256, SignatureAlgorithm.rsa),
(HashAlgorithm.sha224, SignatureAlgorithm.rsa),
(HashAlgorithm.sha1, SignatureAlgorithm.rsa)]
ext = {ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs)}
ciphers = [CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
node = node.add_child(ClientHelloGenerator(ciphers,
extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
algs = [SignatureScheme.rsa_pss_sha512,
SignatureScheme.rsa_pss_sha384,
SignatureScheme.rsa_pss_sha256]
node = node.add_child(ExpectServerKeyExchange(valid_sig_algs=algs))
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(CertificateVerifyGenerator(private_key))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectFinished())
node = node.add_child(ApplicationDataGenerator(
bytearray(b"GET / HTTP/1.0\n\n")))
node = node.add_child(ExpectApplicationData())
node = node.add_child(AlertGenerator(AlertLevel.warning,
AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
node = node.add_child(ExpectClose())
conversations["sanity"] = conversation
# check if RSA-PSS can be the only one
conversation = Connect(host, port)
node = conversation
sigs = [SignatureScheme.rsa_pss_sha256,
SignatureScheme.rsa_pss_sha384,
SignatureScheme.rsa_pss_sha512
]
ext = {ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs)}
ciphers = [CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
node = node.add_child(ClientHelloGenerator(ciphers,
extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(CertificateVerifyGenerator(private_key))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectFinished())
node = node.add_child(ApplicationDataGenerator(
bytearray(b"GET / HTTP/1.0\n\n")))
node = node.add_child(ExpectApplicationData())
node = node.add_child(AlertGenerator(AlertLevel.warning,
AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
node = node.add_child(ExpectClose())
conversations["RSA-PSS only"] = conversation
# check if algs in CertificateRequest are expected
conversation = Connect(host, port)
node = conversation
sigs = [SignatureScheme.rsa_pss_sha256,
SignatureScheme.rsa_pss_sha384,
SignatureScheme.rsa_pss_sha512
]
ext = {ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs)}
ciphers = [CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
node = node.add_child(ClientHelloGenerator(ciphers,
extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectCertificateRequest(sig_algs=sigalgs))
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(CertificateVerifyGenerator(private_key))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectFinished())
node = node.add_child(ApplicationDataGenerator(
bytearray(b"GET / HTTP/1.0\n\n")))
node = node.add_child(ExpectApplicationData())
node = node.add_child(AlertGenerator(AlertLevel.warning,
AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
node = node.add_child(ExpectClose())
conversations["check CertificateRequest sigalgs"] = conversation
# check if CertificateVerify can be signed with any algorithm
for scheme in [SignatureScheme.rsa_pss_sha256,
SignatureScheme.rsa_pss_sha384,
SignatureScheme.rsa_pss_sha512
]:
conversation = Connect(host, port)
node = conversation
sigs = [SignatureScheme.rsa_pss_sha256,
SignatureScheme.rsa_pss_sha384,
SignatureScheme.rsa_pss_sha512
]
ext = {ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs)}
ciphers = [CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
node = node.add_child(ClientHelloGenerator(ciphers,
extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(CertificateVerifyGenerator(private_key,
msg_alg=scheme))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectFinished())
node = node.add_child(ApplicationDataGenerator(
bytearray(b"GET / HTTP/1.0\n\n")))
node = node.add_child(ExpectApplicationData())
node = node.add_child(AlertGenerator(AlertLevel.warning,
AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
node = node.add_child(ExpectClose())
conversations["{0} in CertificateVerify"
.format(SignatureScheme.toRepr(scheme))] = conversation
# check if CertificateVerify with wrong salt size is rejected
for scheme in [SignatureScheme.rsa_pss_sha256,
SignatureScheme.rsa_pss_sha384,
SignatureScheme.rsa_pss_sha512
]:
conversation = Connect(host, port)
node = conversation
sigs = [SignatureScheme.rsa_pss_sha256,
SignatureScheme.rsa_pss_sha384,
SignatureScheme.rsa_pss_sha512
]
ext = {ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs)}
ciphers = [CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
node = node.add_child(ClientHelloGenerator(ciphers,
extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(CertificateVerifyGenerator(private_key,
msg_alg=scheme,
rsa_pss_salt_len=20))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(ExpectAlert(AlertLevel.fatal,
AlertDescription.decrypt_error))
node.next_sibling = ExpectClose()
node = node.add_child(ExpectClose())
conversations["{0} in CertificateVerify with incorrect salt len"
.format(SignatureScheme.toRepr(scheme))] = conversation
# check if CertificateVerify with wrong salt size is rejected
for pos in range(numBytes(private_key.n)):
for xor in [0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80]:
conversation = Connect(host, port)
node = conversation
sigs = [SignatureScheme.rsa_pss_sha256,
SignatureScheme.rsa_pss_sha384,
SignatureScheme.rsa_pss_sha512
]
ext = {ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs)}
ciphers = [CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
node = node.add_child(ClientHelloGenerator(ciphers,
extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(ClientKeyExchangeGenerator())
scheme = SignatureScheme.rsa_pss_sha256
node = node.add_child(CertificateVerifyGenerator(private_key,
msg_alg=scheme,
padding_xors={pos:xor}))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(ExpectAlert(AlertLevel.fatal,
AlertDescription.decrypt_error))
node.next_sibling = ExpectClose()
node = node.add_child(ExpectClose())
conversations["malformed rsa-pss in CertificateVerify - "
"xor {1} at {0}"
.format(pos, hex(xor))] = conversation
if cert.certAlg == "rsa-pss":
conversation = Connect(host, port)
node = conversation
sigs = [SignatureScheme.rsa_pss_sha256,
SignatureScheme.rsa_pss_sha384,
SignatureScheme.rsa_pss_sha512
]
ext = {ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs)}
ciphers = [CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
node = node.add_child(ClientHelloGenerator(ciphers,
extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(CertificateVerifyGenerator(private_key,
msg_alg=SignatureScheme.rsa_pkcs1_sha256,
sig_alg=SignatureScheme.rsa_pkcs1_sha256))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(ExpectAlert(AlertLevel.fatal,
AlertDescription.decrypt_error))
node.next_sibling = ExpectClose()
node = node.add_child(ExpectClose())
conversations["rsa_pkcs1_sha256 signature in CertificateVerify "
"with rsa-pss key"] = conversation
conversation = Connect(host, port)
node = conversation
sigs = [SignatureScheme.rsa_pss_sha256,
SignatureScheme.rsa_pss_sha384,
SignatureScheme.rsa_pss_sha512
]
ext = {ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs)}
ciphers = [CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
node = node.add_child(ClientHelloGenerator(ciphers,
extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(CertificateVerifyGenerator(private_key,
msg_alg=SignatureScheme.rsa_pkcs1_sha256,
sig_alg=SignatureScheme.rsa_pss_sha256))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(ExpectAlert(AlertLevel.fatal,
AlertDescription.decrypt_error))
node.next_sibling = ExpectClose()
node = node.add_child(ExpectClose())
conversations["rsa_pss_sha256 signature in CertificateVerify"
"with rsa_pkcs1_sha256 id"] = conversation
conversation = Connect(host, port)
node = conversation
sigs = [SignatureScheme.rsa_pss_sha256,
SignatureScheme.rsa_pss_sha384,
SignatureScheme.rsa_pss_sha512
]
ext = {ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs)}
ciphers = [CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
node = node.add_child(ClientHelloGenerator(ciphers,
extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(ClientKeyExchangeGenerator())
scheme = SignatureScheme.rsa_pss_sha256
sig = bytearray(b'\xfa\xbc\x0f\x4c')
node = node.add_child(CertificateVerifyGenerator(private_key,
msg_alg=scheme,
signature=sig))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(ExpectAlert(AlertLevel.fatal,
AlertDescription.decrypt_error))
node.next_sibling = ExpectClose()
node = node.add_child(ExpectClose())
conversations["short sig with rsa_pss_sha256 id"] = \
conversation
# run the conversation
good = 0
bad = 0
failed = []
if not num_limit:
num_limit = len(conversations)
# make sure that sanity test is run first and last
# to verify that server was running and kept running throught
sanity_test = ('sanity', conversations['sanity'])
ordered_tests = chain([sanity_test],
islice(filter(lambda x: x[0] != 'sanity',
conversations.items()), num_limit),
[sanity_test])
for c_name, c_test in ordered_tests:
if run_only and c_name not in run_only or c_name in run_exclude:
continue
print("{0} ...".format(c_name))
runner = Runner(c_test)
res = True
try:
runner.run()
except:
print("Error while processing")
print(traceback.format_exc())
res = False
if res:
good += 1
print("OK\n")
else:
bad += 1
failed.append(c_name)
print("Test end")
print("successful: {0}".format(good))
print("failed: {0}".format(bad))
failed_sorted = sorted(failed, key=natural_sort_keys)
print(" {0}".format('\n '.join(repr(i) for i in failed_sorted)))
if bad > 0:
sys.exit(1)
def test_toRepr_with_obsolete_value(self):
ret = SignatureScheme.toRepr((1, 1))
self.assertIsNone(ret)
def main():
"""Check that server propoerly rejects pkcs1 signatures in TLS 1.3"""
hostname = "localhost"
port = 4433
num_limit = None
run_exclude = set()
expected_failures = {}
last_exp_tmp = None
cert = None
private_key = None
# algorithms to expect from server in Certificate Request
cr_sigalgs = [
SignatureScheme.ecdsa_secp521r1_sha512,
SignatureScheme.ecdsa_secp384r1_sha384,
SignatureScheme.ecdsa_secp256r1_sha256,
(HashAlgorithm.sha224, SignatureAlgorithm.ecdsa),
(HashAlgorithm.sha1,
SignatureAlgorithm.ecdsa), SignatureScheme.rsa_pss_rsae_sha512,
SignatureScheme.rsa_pss_pss_sha512,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_pss_sha256, SignatureScheme.rsa_pkcs1_sha512,
SignatureScheme.rsa_pkcs1_sha384, SignatureScheme.rsa_pkcs1_sha256,
SignatureScheme.rsa_pkcs1_sha224, SignatureScheme.rsa_pkcs1_sha1
]
# algorithms to advertise in ClientHello
sig_algs = [
SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_pss_sha256,
SignatureScheme.rsa_pss_rsae_sha384, SignatureScheme.rsa_pss_pss_sha384
]
hashalgs = hashes_to_list("sha256 sha384 sha512")
argv = sys.argv[1:]
opts, args = getopt.getopt(argv, "h:p:e:x:X:n:s:k:c:",
["help", "hash-order="])
for opt, arg in opts:
if opt == '-h':
host = arg
elif opt == '-p':
port = int(arg)
elif opt == '-e':
run_exclude.add(arg)
elif opt == '-x':
expected_failures[arg] = None
last_exp_tmp = str(arg)
elif opt == '-X':
if not last_exp_tmp:
raise ValueError("-x has to be specified before -X")
expected_failures[last_exp_tmp] = str(arg)
elif opt == '-n':
num_limit = int(arg)
elif opt == '--help':
help_msg()
sys.exit(0)
elif opt == '-s':
cr_sigalgs = sig_algs_to_ids(arg)
elif opt == '--hash-order':
hashalgs = hashes_to_list(arg)
elif opt == '-k':
text_key = open(arg, 'rb').read()
if sys.version_info[0] >= 3:
text_key = str(text_key, 'utf-8')
private_key = parsePEMKey(text_key, private=True)
elif opt == '-c':
text_cert = open(arg, 'rb').read()
if sys.version_info[0] >= 3:
text_cert = str(text_cert, 'utf-8')
cert = X509()
cert.parse(text_cert)
else:
raise ValueError("Unknown option: {0}".format(opt))
if args:
run_only = set(args)
else:
run_only = None
if not cert or not private_key:
raise Exception("A Client certificate and a private key are required")
certType = cert.certAlg
conversations = {}
conversations_long = {}
# sanity check for Client Certificates
conversation = Connect(hostname, port)
node = conversation
ciphers = [
CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
ext = {}
groups = [GroupName.secp256r1]
ext[ExtensionType.key_share] = key_share_ext_gen(groups)
ext[ExtensionType.supported_versions] = \
SupportedVersionsExtension().create([(3, 4), (3, 3)])
ext[ExtensionType.supported_groups] = \
SupportedGroupsExtension().create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(CertificateVerifyGenerator(private_key))
node = node.add_child(FinishedGenerator())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\r\n\r\n")))
# This message is optional and may show up 0 to many times
cycle = ExpectNewSessionTicket()
node = node.add_child(cycle)
node.add_child(cycle)
node.next_sibling = ExpectApplicationData()
node = node.next_sibling.add_child(
AlertGenerator(AlertLevel.warning, AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
conversations["sanity"] = conversation
# verify the advertised hashes
conversation = Connect(hostname, port)
node = conversation
ciphers = [
CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
ext = {}
groups = [GroupName.secp256r1]
ext[ExtensionType.key_share] = key_share_ext_gen(groups)
ext[ExtensionType.supported_versions] = \
SupportedVersionsExtension().create([(3, 4), (3, 3)])
ext[ExtensionType.supported_groups] = \
SupportedGroupsExtension().create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificateRequest(cr_sigalgs))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(CertificateGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\r\n\r\n")))
# This message is optional and may show up 0 to many times
cycle = ExpectNewSessionTicket()
node = node.add_child(cycle)
node.add_child(cycle)
node.next_sibling = ExpectApplicationData()
node = node.next_sibling.add_child(
AlertGenerator(AlertLevel.warning, AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
conversations["check sigalgs in cert request"] = conversation
for sigalg in RSA_SIG_ALL:
# set if test should succeed or fail based on cert type,
# advertisement and forbidden algorithms
expectPass = True
if certType == "rsa" and sigalg in (
SignatureScheme.rsa_pss_pss_sha256,
SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_pss_sha512):
expectPass = False
elif certType == "rsa-pss" and sigalg in (
SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_rsae_sha512):
expectPass = False
# also verify that pkcs1 signatures are unconditionally refused
if sigalg in ((HashAlgorithm.md5,
SignatureAlgorithm.rsa), SignatureScheme.rsa_pkcs1_sha1,
SignatureScheme.rsa_pkcs1_sha224,
SignatureScheme.rsa_pkcs1_sha256,
SignatureScheme.rsa_pkcs1_sha384,
SignatureScheme.rsa_pkcs1_sha512):
expectPass = False
# also expect failure if an algorithm is not advertized
if sigalg not in cr_sigalgs:
expectPass = False
conversation = Connect(hostname, port)
node = conversation
ciphers = [
CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
ext = {}
groups = [GroupName.secp256r1]
ext[ExtensionType.key_share] = key_share_ext_gen(groups)
ext[ExtensionType.supported_versions] = \
SupportedVersionsExtension().create([(3, 4), (3, 3)])
ext[ExtensionType.supported_groups] = \
SupportedGroupsExtension().create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
# force sigalg
node = node.add_child(
CertificateVerifyGenerator(private_key, msg_alg=sigalg))
node = node.add_child(FinishedGenerator())
result = "works"
# only signatures of matching certificate type should work
if expectPass:
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\r\n\r\n")))
# This message is optional and may show up 0 to many times
cycle = ExpectNewSessionTicket()
node = node.add_child(cycle)
node.add_child(cycle)
node.next_sibling = ExpectApplicationData()
node = node.next_sibling.add_child(
AlertGenerator(AlertLevel.warning,
AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
else:
node = node.add_child(
ExpectAlert(AlertLevel.fatal,
AlertDescription.illegal_parameter))
node.add_child(ExpectClose())
result = "is refused"
conversations["check {0} signature {1}".format(
SignatureScheme.toStr(sigalg), result)] = conversation
# verify that rsa-pss signatures with empty, too short or too long
# salt fail
msgalg = sigalg_select("rsa_pss", hashalgs, cr_sigalgs, certType)
hash_name = SignatureScheme.getHash(SignatureScheme.toRepr(msgalg))
digest_len = getattr(tlshashlib, hash_name)().digest_size
for saltlen in (0, digest_len - 1, digest_len + 1):
conversation = Connect(hostname, port)
node = conversation
ciphers = [
CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
ext = {}
groups = [GroupName.secp256r1]
ext[ExtensionType.key_share] = key_share_ext_gen(groups)
ext[ExtensionType.supported_versions] = \
SupportedVersionsExtension().create([(3, 4), (3, 3)])
ext[ExtensionType.supported_groups] = \
SupportedGroupsExtension().create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
# force salt length
node = node.add_child(
CertificateVerifyGenerator(private_key, rsa_pss_salt_len=saltlen))
node = node.add_child(FinishedGenerator())
node = node.add_child(
ExpectAlert(AlertLevel.fatal, AlertDescription.decrypt_error))
node.add_child(ExpectClose())
conversations["check signature with salt length {0}".format(
saltlen)] = conversation
# verify that a rsa-pkcs1 signature in a rsa-pss ID envelope fails
sigalg = sigalg_select("rsa_pkcs1", hashalgs)
msgalg = sigalg_select("rsa_pss", hashalgs, cr_sigalgs, certType)
conversation = Connect(hostname, port)
node = conversation
ciphers = [
CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
ext = {}
groups = [GroupName.secp256r1]
ext[ExtensionType.key_share] = key_share_ext_gen(groups)
ext[ExtensionType.supported_versions] = \
SupportedVersionsExtension().create([(3, 4), (3, 3)])
ext[ExtensionType.supported_groups] = \
SupportedGroupsExtension().create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(
CertificateVerifyGenerator(private_key, sig_alg=sigalg,
msg_alg=msgalg))
node = node.add_child(FinishedGenerator())
node = node.add_child(
ExpectAlert(AlertLevel.fatal, AlertDescription.decrypt_error))
node.add_child(ExpectClose())
scheme = SignatureScheme.toRepr(sigalg)
conversations["check pkcs1 signature with rsa-pss envelope fails"] = \
conversation
# verify that a rsa-pss signature with mismatched message hash fails
msgalg = sigalg_select("rsa_pss", hashalgs, cr_sigalgs, certType)
# choose a similar scheme with just a different hash, doesn't need to be
# a server supported sigalg
hash_name = SignatureScheme.getHash(SignatureScheme.toRepr(msgalg))
_hashalgs = [x for x in hashalgs if x != hash_name]
sigalg = sigalg_select("rsa_pss", _hashalgs, cert_type=certType)
conversation = Connect(hostname, port)
node = conversation
ciphers = [
CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
ext = {}
groups = [GroupName.secp256r1]
ext[ExtensionType.key_share] = key_share_ext_gen(groups)
ext[ExtensionType.supported_versions] = \
SupportedVersionsExtension().create([(3, 4), (3, 3)])
ext[ExtensionType.supported_groups] = \
SupportedGroupsExtension().create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(
CertificateVerifyGenerator(private_key, sig_alg=sigalg,
msg_alg=msgalg))
node = node.add_child(FinishedGenerator())
node = node.add_child(
ExpectAlert(AlertLevel.fatal, AlertDescription.decrypt_error))
node.add_child(ExpectClose())
conversations["check rsa-pss signature with mismatched hash fails"] = \
conversation
# verify that a rsa-pss signature with mismatched MGF1 hash fails
sigalg = sigalg_select("rsa_pss", hashalgs, cr_sigalgs, certType)
# choose a different hash to cause mismtach
hash_name = SignatureScheme.getHash(SignatureScheme.toRepr(msgalg))
mgf1_hash = [x for x in hashalgs if x != hash_name][0]
conversation = Connect(hostname, port)
node = conversation
ciphers = [
CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
ext = {}
groups = [GroupName.secp256r1]
ext[ExtensionType.key_share] = key_share_ext_gen(groups)
ext[ExtensionType.supported_versions] = \
SupportedVersionsExtension().create([(3, 4), (3, 3)])
ext[ExtensionType.supported_groups] = \
SupportedGroupsExtension().create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(
CertificateVerifyGenerator(private_key,
mgf1_hash=mgf1_hash,
msg_alg=sigalg))
node = node.add_child(FinishedGenerator())
node = node.add_child(
ExpectAlert(AlertLevel.fatal, AlertDescription.decrypt_error))
node.add_child(ExpectClose())
conversations["check rsa-pss signature with mismatched mgf1 fails"] = \
conversation
# check that fuzzed signatures are rejected
for pos in range(numBytes(private_key.n)):
for xor in [0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80]:
conversation = Connect(hostname, port)
node = conversation
ciphers = [
CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
ext = {}
groups = [GroupName.secp256r1]
ext[ExtensionType.key_share] = key_share_ext_gen(groups)
ext[ExtensionType.supported_versions] = \
SupportedVersionsExtension().create([(3, 4), (3, 3)])
ext[ExtensionType.supported_groups] = \
SupportedGroupsExtension().create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers,
extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(
CertificateVerifyGenerator(private_key,
padding_xors={pos: xor}))
node = node.add_child(FinishedGenerator())
node = node.add_child(
ExpectAlert(AlertLevel.fatal, AlertDescription.decrypt_error))
node.add_child(ExpectClose())
scheme = SignatureScheme.toRepr(sigalg)
conversations_long["check that fuzzed signatures are rejected." +
" Malformed {0} - xor {1} at {2}".format(
certType, hex(xor), pos)] = conversation
# run the conversation
good = 0
bad = 0
xfail = 0
xpass = 0
failed = []
xpassed = []
if not num_limit:
num_limit = len(conversations_long)
# make sure that sanity test is run first and last
# to verify that server was running and kept running throughout
sanity_tests = [('sanity', conversations['sanity'])]
short_tests = [(k, v) for k, v in conversations.items() if k != 'sanity']
long_tests = list(conversations_long.items())
long_sampled_tests = sample(long_tests, min(num_limit, len(long_tests)))
regular_tests = sample(long_sampled_tests + short_tests,
len(long_sampled_tests) + len(short_tests))
ordered_tests = chain(sanity_tests, regular_tests, sanity_tests)
for c_name, c_test in ordered_tests:
if run_only and c_name not in run_only or c_name in run_exclude:
continue
print("{0} ...".format(c_name))
runner = Runner(c_test)
res = True
exception = None
try:
runner.run()
except Exception as exp:
exception = exp
print("Error while processing")
print(traceback.format_exc())
res = False
if c_name in expected_failures:
if res:
xpass += 1
xpassed.append(c_name)
print("XPASS: expected failure but test passed\n")
else:
if expected_failures[c_name] is not None and \
expected_failures[c_name] not in str(exception):
bad += 1
failed.append(c_name)
print("Expected error message: {0}\n".format(
expected_failures[c_name]))
else:
xfail += 1
print("OK-expected failure\n")
else:
if res:
good += 1
print("OK\n")
else:
bad += 1
failed.append(c_name)
print("Test to verify that server properly accepts or refuses")
print("signatures in TLS1.3; PKCS1 signatures are always refused.")
print("Other signatures are accepted or refused accordingly to")
print("the certificate type provided ('rsa' vs 'rsa-pss').\n")
print("version: {0}\n".format(version))
print("Test end")
print(20 * '=')
print("TOTAL: {0}".format(len(regular_tests) + 2 * len(sanity_tests)))
print("SKIP: {0}".format(
len(run_exclude.intersection(conversations.keys()))))
print("PASS: {0}".format(good))
print("XFAIL: {0}".format(xfail))
print("FAIL: {0}".format(bad))
print("XPASS: {0}".format(xpass))
print(20 * '=')
sort = sorted(xpassed, key=natural_sort_keys)
if len(sort):
print("XPASSED:\n\t{0}".format('\n\t'.join(repr(i) for i in sort)))
sort = sorted(failed, key=natural_sort_keys)
if len(sort):
print("FAILED:\n\t{0}".format('\n\t'.join(repr(i) for i in sort)))
if bad > 0:
sys.exit(1)
def test_toRepr_with_valid_value(self):
ret = SignatureScheme.toRepr((6, 1))
self.assertEqual(ret, "rsa_pkcs1_sha512")
def generate(self, status):
"""Create a CertificateVerify message."""
if self.msg_version is None:
self.msg_version = status.version
if self.sig_version is None:
self.sig_version = self.msg_version
if self.msg_alg is None and self.msg_version >= (3, 3):
cert_req = next((msg for msg in status.handshake_messages[::-1]
if isinstance(msg, CertificateRequest)), None)
if cert_req is not None:
self.msg_alg = next(
(sig for sig in cert_req.supported_signature_algs
if sig[1] == SignatureAlgorithm.rsa
or sig[0] == 8 and sig[1] in (4, 5, 6)), None)
if self.msg_alg is None:
self.msg_alg = (HashAlgorithm.sha1, SignatureAlgorithm.rsa)
if self.sig_alg is None:
self.sig_alg = self.msg_alg
# we need a copy of the handshake hashes for use in Extended Master
# Secret calculation
status.certificate_verify_handshake_hashes = \
status.handshake_hashes.copy()
# TODO: generate a random key if none provided
if self.signature is not None:
signature = self.signature
else:
if self.private_key is None:
raise ValueError("Can't create a signature without "
"private key!")
verify_bytes = KeyExchange.calcVerifyBytes(self.sig_version,
status.handshake_hashes,
self.sig_alg,
status.premaster_secret,
status.client_random,
status.server_random)
# we don't have to handle non pkcs1 padding because the
# calcVerifyBytes does everything
scheme = SignatureScheme.toRepr(self.sig_alg)
hashName = None
saltLen = 0
if scheme is None:
padding = "pkcs1"
else:
padding = SignatureScheme.getPadding(scheme)
if padding == 'pss':
hashName = SignatureScheme.getHash(scheme)
if self.rsa_pss_salt_len is None:
self.rsa_pss_salt_len = \
getattr(hashlib, hashName)().digest_size
def _newRawPrivateKeyOp(self,
m,
original_rawPrivateKeyOp,
subs=None,
xors=None):
signBytes = numberToByteArray(m, numBytes(self.n))
signBytes = substitute_and_xor(signBytes, subs, xors)
m = bytesToNumber(signBytes)
return original_rawPrivateKeyOp(m)
oldPrivateKeyOp = self.private_key._rawPrivateKeyOp
self.private_key._rawPrivateKeyOp = \
partial(_newRawPrivateKeyOp,
self.private_key,
original_rawPrivateKeyOp=oldPrivateKeyOp,
subs=self.padding_subs,
xors=self.padding_xors)
signature = self.private_key.sign(verify_bytes, padding, hashName,
self.rsa_pss_salt_len)
self.private_key._rawPrivateKeyOp = oldPrivateKeyOp
cert_verify = CertificateVerify(self.msg_version)
cert_verify.create(signature, self.msg_alg)
self.msg = cert_verify
return cert_verify
def main():
"""Check that server properly rejects malformed signatures in TLS 1.3"""
hostname = "localhost"
port = 4433
num_limit = 120
run_exclude = set()
expected_failures = {}
last_exp_tmp = None
cert = None
private_key = None
# algorithms to expect from server in Certificate Request
cr_sigalgs = [SignatureScheme.ed25519,
SignatureScheme.ed448,
SignatureScheme.ecdsa_secp521r1_sha512,
SignatureScheme.ecdsa_secp384r1_sha384,
SignatureScheme.ecdsa_secp256r1_sha256,
(HashAlgorithm.sha224, SignatureAlgorithm.ecdsa),
(HashAlgorithm.sha1, SignatureAlgorithm.ecdsa),
SignatureScheme.rsa_pss_rsae_sha512,
SignatureScheme.rsa_pss_pss_sha512,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_pss_sha256,
SignatureScheme.rsa_pkcs1_sha512,
SignatureScheme.rsa_pkcs1_sha384,
SignatureScheme.rsa_pkcs1_sha256,
SignatureScheme.rsa_pkcs1_sha224,
SignatureScheme.rsa_pkcs1_sha1]
# algorithms to advertise in ClientHello
sig_algs = [SignatureScheme.ecdsa_secp521r1_sha512,
SignatureScheme.ecdsa_secp384r1_sha384,
SignatureScheme.ecdsa_secp256r1_sha256,
SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_pss_sha256,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.ed25519,
SignatureScheme.ed448]
hashalgs = hashes_to_list("sha256 sha384 sha512")
argv = sys.argv[1:]
opts, args = getopt.getopt(argv, "h:p:e:x:X:n:s:k:c:", ["help", "hash-order="])
for opt, arg in opts:
if opt == '-h':
hostname = arg
elif opt == '-p':
port = int(arg)
elif opt == '-e':
run_exclude.add(arg)
elif opt == '-x':
expected_failures[arg] = None
last_exp_tmp = str(arg)
elif opt == '-X':
if not last_exp_tmp:
raise ValueError("-x has to be specified before -X")
expected_failures[last_exp_tmp] = str(arg)
elif opt == '-n':
num_limit = int(arg)
elif opt == '--help':
help_msg()
sys.exit(0)
elif opt == '-s':
cr_sigalgs = sig_algs_to_ids(arg)
elif opt == '--hash-order':
hashalgs = hashes_to_list(arg)
elif opt == '-k':
text_key = open(arg, 'rb').read()
if sys.version_info[0] >= 3:
text_key = str(text_key, 'utf-8')
private_key = parsePEMKey(text_key, private=True)
elif opt == '-c':
text_cert = open(arg, 'rb').read()
if sys.version_info[0] >= 3:
text_cert = str(text_cert, 'utf-8')
cert = X509()
cert.parse(text_cert)
else:
raise ValueError("Unknown option: {0}".format(opt))
if args:
run_only = set(args)
else:
run_only = None
if not cert or not private_key:
raise Exception("A Client certificate and a private key are required")
certType = cert.certAlg
conversations = {}
conversations_long = {}
# sanity check for Client Certificates
conversation = Connect(hostname, port)
node = conversation
ciphers = [CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
ext = {}
groups = [GroupName.secp256r1]
ext[ExtensionType.key_share] = key_share_ext_gen(groups)
ext[ExtensionType.supported_versions] = \
SupportedVersionsExtension().create([(3, 4), (3, 3)])
ext[ExtensionType.supported_groups] = \
SupportedGroupsExtension().create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(
ECDSA_SIG_ALL + RSA_SIG_ALL + EDDSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(CertificateVerifyGenerator(private_key))
node = node.add_child(FinishedGenerator())
node = node.add_child(ApplicationDataGenerator(
bytearray(b"GET / HTTP/1.0\r\n\r\n")))
# This message is optional and may show up 0 to many times
cycle = ExpectNewSessionTicket()
node = node.add_child(cycle)
node.add_child(cycle)
node.next_sibling = ExpectApplicationData()
node = node.next_sibling.add_child(AlertGenerator(AlertLevel.warning,
AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
conversations["sanity"] = conversation
# verify the advertised hashes
conversation = Connect(hostname, port)
node = conversation
ciphers = [CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
ext = {}
groups = [GroupName.secp256r1]
ext[ExtensionType.key_share] = key_share_ext_gen(groups)
ext[ExtensionType.supported_versions] = \
SupportedVersionsExtension().create([(3, 4), (3, 3)])
ext[ExtensionType.supported_groups] = \
SupportedGroupsExtension().create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(
ECDSA_SIG_ALL + RSA_SIG_ALL + EDDSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificateRequest(cr_sigalgs))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(CertificateVerifyGenerator(private_key))
node = node.add_child(FinishedGenerator())
node = node.add_child(ApplicationDataGenerator(
bytearray(b"GET / HTTP/1.0\r\n\r\n")))
# This message is optional and may show up 0 to many times
cycle = ExpectNewSessionTicket()
node = node.add_child(cycle)
node.add_child(cycle)
node.next_sibling = ExpectApplicationData()
node = node.next_sibling.add_child(AlertGenerator(AlertLevel.warning,
AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
conversations["check sigalgs in cert request"] = conversation
for sigalg in ECDSA_SIG_ALL:
real_sig = getattr(SignatureScheme, private_key.key_type.lower())
conversation = Connect(hostname, port)
node = conversation
ciphers = [CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
ext = {}
# NOTE: groups do NOT influence the signature negotiation
groups = [GroupName.secp256r1]
ext[ExtensionType.key_share] = key_share_ext_gen(groups)
ext[ExtensionType.supported_versions] = \
SupportedVersionsExtension().create([(3, 4), (3, 3)])
ext[ExtensionType.supported_groups] = \
SupportedGroupsExtension().create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(
ECDSA_SIG_ALL + RSA_SIG_ALL + EDDSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
# force sigalg
node = node.add_child(CertificateVerifyGenerator(private_key, msg_alg=
sigalg, sig_alg=real_sig))
node = node.add_child(FinishedGenerator())
node = node.add_child(ExpectAlert(
AlertLevel.fatal, AlertDescription.illegal_parameter))
node.add_child(ExpectClose())
result = "is refused"
name = SignatureScheme.toRepr(sigalg)
if not name:
name = "{0}+{1}".format(HashAlgorithm.toStr(sigalg[0]),
SignatureAlgorithm.toStr(sigalg[1]))
conversations["check {0} signature {1}".format(
name, result)] = conversation
# verify that an ECDSA signature with mismatched message hash fails
if private_key.key_type == "Ed25519":
sig_alg = SignatureScheme.ed25519
msg_alg = SignatureScheme.ed448
else:
assert private_key.key_type == "Ed448"
sig_alg = SignatureScheme.ed448
msg_alg = SignatureScheme.ed25519
conversation = Connect(hostname, port)
node = conversation
ciphers = [CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
ext = {}
groups = [GroupName.secp256r1]
ext[ExtensionType.key_share] = key_share_ext_gen(groups)
ext[ExtensionType.supported_versions] = \
SupportedVersionsExtension().create([(3, 4), (3, 3)])
ext[ExtensionType.supported_groups] = \
SupportedGroupsExtension().create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(
ECDSA_SIG_ALL + RSA_SIG_ALL + EDDSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(CertificateVerifyGenerator(
private_key, sig_alg=sig_alg, msg_alg=msg_alg))
node = node.add_child(FinishedGenerator())
node = node.add_child(ExpectAlert(
AlertLevel.fatal, AlertDescription.illegal_parameter))
node.add_child(ExpectClose())
conversations["check eddsa signature with mismatched scheme fails"] = \
conversation
# check that fuzzed signatures are rejected
if private_key.key_type == "Ed25519":
siglen = 64
else:
assert private_key.key_type == "Ed448"
siglen = 114
for pos in range(siglen):
for xor in [0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80]:
conversation = Connect(hostname, port)
node = conversation
ciphers = [CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
ext = {}
groups = [GroupName.secp256r1]
ext[ExtensionType.key_share] = key_share_ext_gen(groups)
ext[ExtensionType.supported_versions] = \
SupportedVersionsExtension().create([(3, 4), (3, 3)])
ext[ExtensionType.supported_groups] = \
SupportedGroupsExtension().create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(
ECDSA_SIG_ALL + RSA_SIG_ALL + EDDSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(
ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(
CertificateVerifyGenerator(private_key,
padding_xors={pos:xor}))
node = node.add_child(FinishedGenerator())
node = node.add_child(ExpectAlert(
AlertLevel.fatal, AlertDescription.decrypt_error))
node.add_child(ExpectClose())
conversations_long["check that fuzzed signatures are rejected." +
" Malformed {0} - xor {1} at {2}".format(
certType, hex(xor), pos)] = conversation
# check if all zero values are rejected
for name, subs in [
("All-zero R value in signature is rejected",
dict((i, 0) for i in range(siglen // 2))),
("All-zero S value in signature is rejected",
dict((i + siglen // 2, 0) for i in range(siglen // 2))),
("All-zero bytes signature is rejected",
dict((i, 0) for i in range(siglen))),
]:
conversation = Connect(hostname, port)
node = conversation
ciphers = [CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
ext = {}
groups = [GroupName.secp256r1]
ext[ExtensionType.key_share] = key_share_ext_gen(groups)
ext[ExtensionType.supported_versions] = \
SupportedVersionsExtension().create([(3, 4), (3, 3)])
ext[ExtensionType.supported_groups] = \
SupportedGroupsExtension().create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(
ECDSA_SIG_ALL + RSA_SIG_ALL + EDDSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(
ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(
CertificateVerifyGenerator(private_key,
padding_subs=subs))
node = node.add_child(FinishedGenerator())
node = node.add_child(ExpectAlert(
AlertLevel.fatal, AlertDescription.decrypt_error))
node.add_child(ExpectClose())
conversations_long[name] = conversation
# empty signature field
conversation = Connect(hostname, port)
node = conversation
ciphers = [CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
ext = {}
groups = [GroupName.secp256r1]
ext[ExtensionType.key_share] = key_share_ext_gen(groups)
ext[ExtensionType.supported_versions] = \
SupportedVersionsExtension().create([(3, 4), (3, 3)])
ext[ExtensionType.supported_groups] = \
SupportedGroupsExtension().create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(
ECDSA_SIG_ALL + RSA_SIG_ALL + EDDSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(
ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(
CertificateVerifyGenerator(private_key,
signature=bytearray(0)))
node = node.add_child(FinishedGenerator())
node = node.add_child(ExpectAlert(
AlertLevel.fatal, AlertDescription.decrypt_error))
node.add_child(ExpectClose())
conversations_long["empty signature field"] = conversation
# run the conversation
good = 0
bad = 0
xfail = 0
xpass = 0
failed = []
xpassed = []
if not num_limit:
num_limit = len(conversations_long)
# make sure that sanity test is run first and last
# to verify that server was running and kept running throughout
sanity_tests = [('sanity', conversations['sanity'])]
if run_only:
if num_limit > len(run_only):
num_limit = len(run_only)
long_tests = [(k, v) for k, v in conversations_long.items() if k in run_only]
short_tests = [(k, v) for k, v in conversations.items() if (k != 'sanity') and k in run_only]
else:
long_tests = [(k, v) for k, v in conversations_long.items() if
k not in run_exclude]
short_tests = [(k, v) for k, v in conversations.items() if
(k != 'sanity') and k not in run_exclude]
sampled_tests = sample(long_tests, min(num_limit, len(long_tests)))
ordered_tests = chain(sanity_tests, short_tests, sampled_tests, sanity_tests)
for c_name, c_test in ordered_tests:
print("{0} ...".format(c_name))
runner = Runner(c_test)
res = True
exception = None
try:
runner.run()
except Exception as exp:
exception = exp
print("Error while processing")
print(traceback.format_exc())
res = False
if c_name in expected_failures:
if res:
xpass += 1
xpassed.append(c_name)
print("XPASS-expected failure but test passed\n")
else:
if expected_failures[c_name] is not None and \
expected_failures[c_name] not in str(exception):
bad += 1
failed.append(c_name)
print("Expected error message: {0}\n"
.format(expected_failures[c_name]))
else:
xfail += 1
print("OK-expected failure\n")
else:
if res:
good += 1
print("OK\n")
else:
bad += 1
failed.append(c_name)
print("Test to verify that server properly accepts or refuses")
print("EdDSA signatures in TLS1.3")
print("Test should be executed two times, once with Ed25519 key and")
print("once with Ed448 key (if both are supported by the server).\n")
print("Test end")
print(20 * '=')
print("version: {0}".format(version))
print(20 * '=')
print("TOTAL: {0}".format(len(sampled_tests) + len(short_tests) + 2*len(sanity_tests)))
print("SKIP: {0}".format(len(run_exclude.intersection(conversations.keys()))))
print("PASS: {0}".format(good))
print("XFAIL: {0}".format(xfail))
print("FAIL: {0}".format(bad))
print("XPASS: {0}".format(xpass))
print(20 * '=')
sort = sorted(xpassed ,key=natural_sort_keys)
if len(sort):
print("XPASSED:\n\t{0}".format('\n\t'.join(repr(i) for i in sort)))
sort = sorted(failed, key=natural_sort_keys)
if len(sort):
print("FAILED:\n\t{0}".format('\n\t'.join(repr(i) for i in sort)))
if bad or xpass:
sys.exit(1)
def main():
"""Check if EdDSA signatures are handled correctly."""
host = "localhost"
port = 4433
num_limit = 200
run_exclude = set()
expected_failures = {}
last_exp_tmp = None
private_key = None
cert = None
argv = sys.argv[1:]
opts, args = getopt.getopt(argv, "h:p:e:x:X:n:k:c:", ["help"])
for opt, arg in opts:
if opt == '-h':
host = arg
elif opt == '-p':
port = int(arg)
elif opt == '-e':
run_exclude.add(arg)
elif opt == '-x':
expected_failures[arg] = None
last_exp_tmp = str(arg)
elif opt == '-X':
if not last_exp_tmp:
raise ValueError("-x has to be specified before -X")
expected_failures[last_exp_tmp] = str(arg)
elif opt == '-n':
num_limit = int(arg)
elif opt == '--help':
help_msg()
sys.exit(0)
elif opt == '-k':
text_key = open(arg, 'rb').read()
if sys.version_info[0] >= 3:
text_key = str(text_key, 'utf-8')
private_key = parsePEMKey(text_key, private=True)
elif opt == '-c':
text_cert = open(arg, 'rb').read()
if sys.version_info[0] >= 3:
text_cert = str(text_cert, 'utf-8')
cert = X509()
cert.parse(text_cert)
else:
raise ValueError("Unknown option: {0}".format(opt))
if not private_key:
raise ValueError("Specify private key file using -k")
if not cert:
raise ValueError("Specify certificate file using -c")
if args:
run_only = set(args)
else:
run_only = None
conversations = {}
# sanity check for Client Certificates
conversation = Connect(host, port)
node = conversation
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
ext = {
ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(ECDSA_SIG_ALL + RSA_SIG_ALL +
EDDSA_SIG_ALL),
ExtensionType.signature_algorithms_cert:
SignatureAlgorithmsCertExtension().create(ECDSA_SIG_ALL + RSA_SIG_ALL +
EDDSA_SIG_ALL),
ExtensionType.supported_groups:
SupportedGroupsExtension().create(
[GroupName.secp256r1, GroupName.secp384r1, GroupName.secp521r1]),
ExtensionType.ec_point_formats:
ECPointFormatsExtension().create([ECPointFormat.uncompressed])
}
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(CertificateVerifyGenerator(private_key))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectFinished())
node = node.add_child(ApplicationDataGenerator(b"GET / HTTP/1.0\n\n"))
node = node.add_child(ExpectApplicationData())
node = node.add_child(AlertGenerator(AlertDescription.close_notify))
node = node.add_child(ExpectClose())
node.next_sibling = ExpectAlert()
node.next_sibling.add_child(ExpectClose())
conversations["sanity"] = conversation
real_sig = getattr(SignatureScheme, private_key.key_type.lower())
# force MD5 signature on CertificateVerify
conversation = Connect(host, port)
node = conversation
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
ext = {
ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(ECDSA_SIG_ALL + RSA_SIG_ALL +
EDDSA_SIG_ALL),
ExtensionType.signature_algorithms_cert:
SignatureAlgorithmsCertExtension().create(ECDSA_SIG_ALL + RSA_SIG_ALL +
EDDSA_SIG_ALL),
ExtensionType.supported_groups:
SupportedGroupsExtension().create(
[GroupName.secp256r1, GroupName.secp384r1, GroupName.secp521r1]),
ExtensionType.ec_point_formats:
ECPointFormatsExtension().create([ECPointFormat.uncompressed])
}
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(TCPBufferingEnable())
sig_type = (HashAlgorithm.md5, SignatureAlgorithm.ecdsa)
node = node.add_child(
CertificateVerifyGenerator(
private_key,
msg_alg=sig_type,
sig_alg=real_sig,
))
# the other side can close connection right away, add options to handle it
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
# we expect closure or Alert and then closure of socket
node = node.add_child(
ExpectAlert(AlertLevel.fatal, AlertDescription.illegal_parameter))
node.add_child(ExpectClose())
conversations["md5+ecdsa forced"] = conversation
# force sha512+ecdsa signature on CertificateVerify
conversation = Connect(host, port)
node = conversation
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
ext = {
ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(ECDSA_SIG_ALL + RSA_SIG_ALL +
EDDSA_SIG_ALL),
ExtensionType.signature_algorithms_cert:
SignatureAlgorithmsCertExtension().create(ECDSA_SIG_ALL + RSA_SIG_ALL +
EDDSA_SIG_ALL),
ExtensionType.supported_groups:
SupportedGroupsExtension().create(
[GroupName.secp256r1, GroupName.secp384r1, GroupName.secp521r1]),
ExtensionType.ec_point_formats:
ECPointFormatsExtension().create([ECPointFormat.uncompressed])
}
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(TCPBufferingEnable())
sig_type = (HashAlgorithm.sha512, SignatureAlgorithm.ecdsa)
node = node.add_child(
CertificateVerifyGenerator(
private_key,
msg_alg=sig_type,
sig_alg=real_sig,
))
# the other side can close connection right away, add options to handle it
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
# we expect closure or Alert and then closure of socket
node = node.add_child(
ExpectAlert(AlertLevel.fatal, AlertDescription.illegal_parameter))
node.add_child(ExpectClose())
conversations["sha512+ecdsa forced"] = conversation
if cert.certAlg == "Ed25519":
sig_type = SignatureScheme.ed448
real_sig = SignatureScheme.ed25519
else:
assert cert.certAlg == "Ed448"
sig_type = SignatureScheme.ed25519
real_sig = SignatureScheme.ed448
# force wrong EdDSA signature with an EdDSA key
conversation = Connect(host, port)
node = conversation
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
ext = {
ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(ECDSA_SIG_ALL + RSA_SIG_ALL +
EDDSA_SIG_ALL),
ExtensionType.signature_algorithms_cert:
SignatureAlgorithmsCertExtension().create(ECDSA_SIG_ALL + RSA_SIG_ALL +
EDDSA_SIG_ALL),
ExtensionType.supported_groups:
SupportedGroupsExtension().create(
[GroupName.secp256r1, GroupName.secp384r1, GroupName.secp521r1]),
ExtensionType.ec_point_formats:
ECPointFormatsExtension().create([ECPointFormat.uncompressed])
}
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(
CertificateVerifyGenerator(private_key,
msg_alg=sig_type,
sig_alg=real_sig))
# the other side can close connection right away, add options to handle it
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
# we expect closure or Alert and then closure of socket
node = node.add_child(
ExpectAlert(AlertLevel.fatal, AlertDescription.illegal_parameter))
node.add_child(ExpectClose())
conversations["advertise {0} sig as {1}".format(
SignatureScheme.toRepr(real_sig),
SignatureScheme.toRepr(sig_type))] = conversation
# empty signature
conversation = Connect(host, port)
node = conversation
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
ext = {
ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(ECDSA_SIG_ALL + RSA_SIG_ALL +
EDDSA_SIG_ALL),
ExtensionType.signature_algorithms_cert:
SignatureAlgorithmsCertExtension().create(ECDSA_SIG_ALL + RSA_SIG_ALL +
EDDSA_SIG_ALL),
ExtensionType.supported_groups:
SupportedGroupsExtension().create(
[GroupName.secp256r1, GroupName.secp384r1, GroupName.secp521r1]),
ExtensionType.ec_point_formats:
ECPointFormatsExtension().create([ECPointFormat.uncompressed])
}
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(
CertificateVerifyGenerator(private_key, signature=bytearray(0)))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(
ExpectAlert(AlertLevel.fatal, AlertDescription.decrypt_error))
node.add_child(ExpectClose())
conversations["empty signature"] = conversation
# malformed signatures
if private_key.key_type == "Ed25519":
siglen = 64
else:
assert private_key.key_type == "Ed448"
siglen = 114
for pos in range(siglen):
for xor in [0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80]:
conversation = Connect(host, port)
node = conversation
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
ext = {
ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(ECDSA_SIG_ALL +
RSA_SIG_ALL +
EDDSA_SIG_ALL),
ExtensionType.signature_algorithms_cert:
SignatureAlgorithmsCertExtension().create(ECDSA_SIG_ALL +
RSA_SIG_ALL +
EDDSA_SIG_ALL),
ExtensionType.supported_groups:
SupportedGroupsExtension().create([
GroupName.secp256r1, GroupName.secp384r1,
GroupName.secp521r1
]),
ExtensionType.ec_point_formats:
ECPointFormatsExtension().create([ECPointFormat.uncompressed])
}
node = node.add_child(ClientHelloGenerator(ciphers,
extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(
CertificateVerifyGenerator(private_key,
padding_xors={pos: xor}))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(
ExpectAlert(AlertLevel.fatal, AlertDescription.decrypt_error))
node.add_child(ExpectClose())
conversations["fuzzed, pos: {0}, xor with {1}".format(
pos, xor)] = conversation
# run the conversation
good = 0
bad = 0
xfail = 0
xpass = 0
failed = []
xpassed = []
if not num_limit:
num_limit = len(conversations)
# make sure that sanity test is run first and last
# to verify that server was running and kept running throught
sanity_tests = [('sanity', conversations['sanity'])]
if run_only:
if num_limit > len(run_only):
num_limit = len(run_only)
regular_tests = [(k, v) for k, v in conversations.items()
if k in run_only]
else:
regular_tests = [(k, v) for k, v in conversations.items()
if (k != 'sanity') and k not in run_exclude]
sampled_tests = sample(regular_tests, min(num_limit, len(regular_tests)))
ordered_tests = chain(sanity_tests, sampled_tests, sanity_tests)
for c_name, c_test in ordered_tests:
print("{0} ...".format(c_name))
runner = Runner(c_test)
res = True
exception = None
try:
runner.run()
except Exception as exp:
exception = exp
print("Error while processing")
print(traceback.format_exc())
res = False
if c_name in expected_failures:
if res:
xpass += 1
xpassed.append(c_name)
print("XPASS-expected failure but test passed\n")
else:
if expected_failures[c_name] is not None and \
expected_failures[c_name] not in str(exception):
bad += 1
failed.append(c_name)
print("Expected error message: {0}\n".format(
expected_failures[c_name]))
else:
xfail += 1
print("OK-expected failure\n")
else:
if res:
good += 1
print("OK\n")
else:
bad += 1
failed.append(c_name)
print("Test support for EdDSA signatures in CertificateVerify\n")
print("You should run this script twice, once with Ed25519 certificate")
print("and once with Ed448 certificate (if server supports both)\n")
print("Test end")
print(20 * '=')
print("version: {0}".format(version))
print(20 * '=')
print("TOTAL: {0}".format(len(sampled_tests) + 2 * len(sanity_tests)))
print("SKIP: {0}".format(
len(run_exclude.intersection(conversations.keys()))))
print("PASS: {0}".format(good))
print("XFAIL: {0}".format(xfail))
print("FAIL: {0}".format(bad))
print("XPASS: {0}".format(xpass))
print(20 * '=')
sort = sorted(xpassed, key=natural_sort_keys)
if len(sort):
print("XPASSED:\n\t{0}".format('\n\t'.join(repr(i) for i in sort)))
sort = sorted(failed, key=natural_sort_keys)
if len(sort):
print("FAILED:\n\t{0}".format('\n\t'.join(repr(i) for i in sort)))
if bad or xpass:
sys.exit(1)
def generate(self, status):
"""Create a CertificateVerify message."""
if self.msg_version is None:
self.msg_version = status.version
if self.sig_version is None:
self.sig_version = self.msg_version
if self.msg_alg is None and self.msg_version >= (3, 3):
cert_req = next((msg for msg in status.handshake_messages[::-1]
if isinstance(msg, CertificateRequest)), None)
if cert_req is not None:
self.msg_alg = next((sig for sig in
cert_req.supported_signature_algs
if sig[1] == SignatureAlgorithm.rsa or
sig[0] == 8 and sig[1] in (4, 5, 6)),
None)
if self.msg_alg is None:
self.msg_alg = (HashAlgorithm.sha1,
SignatureAlgorithm.rsa)
if self.sig_alg is None:
self.sig_alg = self.msg_alg
# TODO: generate a random key if none provided
if self.signature is not None:
signature = self.signature
else:
if self.private_key is None:
raise ValueError("Can't create a signature without "
"private key!")
verify_bytes = KeyExchange.calcVerifyBytes(self.sig_version,
status.handshake_hashes,
self.sig_alg,
status.premaster_secret,
status.client_random,
status.server_random)
# we don't have to handle non pkcs1 padding because the
# calcVerifyBytes does everything
scheme = SignatureScheme.toRepr(self.sig_alg)
hashName = None
saltLen = 0
if scheme is None:
padding = "pkcs1"
else:
padding = SignatureScheme.getPadding(scheme)
if padding == 'pss':
hashName = SignatureScheme.getHash(scheme)
if self.rsa_pss_salt_len is None:
self.rsa_pss_salt_len = \
getattr(hashlib, hashName)().digest_size
def _newRawPrivateKeyOp(self, m, original_rawPrivateKeyOp,
subs=None, xors=None):
signBytes = numberToByteArray(m, numBytes(self.n))
signBytes = substitute_and_xor(signBytes, subs, xors)
m = bytesToNumber(signBytes)
# RSA operations are defined only on numbers that are smaller
# than the modulus, so ensure the XORing or substitutions
# didn't break it (especially necessary for pycrypto as
# it raises exception in such case)
if m > self.n:
m %= self.n
return original_rawPrivateKeyOp(m)
oldPrivateKeyOp = self.private_key._rawPrivateKeyOp
self.private_key._rawPrivateKeyOp = \
partial(_newRawPrivateKeyOp,
self.private_key,
original_rawPrivateKeyOp=oldPrivateKeyOp,
subs=self.padding_subs,
xors=self.padding_xors)
try:
signature = self.private_key.sign(verify_bytes,
padding,
hashName,
self.rsa_pss_salt_len)
finally:
# make sure the changes are undone even if the signing fails
self.private_key._rawPrivateKeyOp = oldPrivateKeyOp
cert_verify = CertificateVerify(self.msg_version)
cert_verify.create(signature, self.msg_alg)
self.msg = cert_verify
return cert_verify
def test_toRepr_with_obsolete_value(self):
ret = SignatureScheme.toRepr((1, 1))
self.assertIsNone(ret)
def main():
host = "localhost"
port = 4433
run_exclude = set()
argv = sys.argv[1:]
opts, args = getopt.getopt(argv, "h:p:e:", ["help"])
for opt, arg in opts:
if opt == '-h':
host = arg
elif opt == '-p':
port = int(arg)
elif opt == '-e':
run_exclude.add(arg)
elif opt == '--help':
help_msg()
sys.exit(0)
else:
raise ValueError("Unknown option: {0}".format(opt))
if args:
run_only = set(args)
else:
run_only = None
conversations = {}
conversation = Connect(host, port)
node = conversation
sigs = [(HashAlgorithm.sha512, SignatureAlgorithm.rsa),
(HashAlgorithm.sha384, SignatureAlgorithm.rsa),
(HashAlgorithm.sha256, SignatureAlgorithm.rsa),
(HashAlgorithm.sha224, SignatureAlgorithm.rsa),
(HashAlgorithm.sha1, SignatureAlgorithm.rsa)]
ext = {
ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs)
}
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectFinished())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\n\n")))
node = node.add_child(ExpectApplicationData())
node = node.add_child(
AlertGenerator(AlertLevel.warning, AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
node = node.add_child(ExpectClose())
conversations["sanity"] = conversation
# now with RSA-PSS
conversation = Connect(host, port)
node = conversation
sigs = [
SignatureScheme.rsa_pss_sha256, SignatureScheme.rsa_pss_sha384,
SignatureScheme.rsa_pss_sha512,
(HashAlgorithm.sha512, SignatureAlgorithm.rsa),
(HashAlgorithm.sha384, SignatureAlgorithm.rsa),
(HashAlgorithm.sha256, SignatureAlgorithm.rsa),
(HashAlgorithm.sha224, SignatureAlgorithm.rsa),
(HashAlgorithm.sha1, SignatureAlgorithm.rsa)
]
ext = {
ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs)
}
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectFinished())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\n\n")))
node = node.add_child(ExpectApplicationData())
node = node.add_child(
AlertGenerator(AlertLevel.warning, AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
node = node.add_child(ExpectClose())
conversations["with RSA-PSS"] = conversation
for sig in [
SignatureScheme.rsa_pss_sha256, SignatureScheme.rsa_pss_sha384,
SignatureScheme.rsa_pss_sha512
]:
conversation = Connect(host, port)
node = conversation
ext = {
ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create([sig])
}
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectFinished())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\n\n")))
node = node.add_child(ExpectApplicationData())
node = node.add_child(
AlertGenerator(AlertLevel.warning, AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
node = node.add_child(ExpectClose())
conversations["{0} only".format(
SignatureScheme.toRepr(sig))] = conversation
# MD5 not selected, even if first
conversation = Connect(host, port)
node = conversation
sigs = [(HashAlgorithm.md5, SignatureAlgorithm.rsa),
(HashAlgorithm.sha512, SignatureAlgorithm.rsa),
(HashAlgorithm.sha384, SignatureAlgorithm.rsa),
(HashAlgorithm.sha256, SignatureAlgorithm.rsa),
(HashAlgorithm.sha224, SignatureAlgorithm.rsa),
(HashAlgorithm.sha1, SignatureAlgorithm.rsa)]
ext = {
ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs)
}
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange(valid_sig_algs=sigs[1:]))
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectFinished())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\n\n")))
node = node.add_child(ExpectApplicationData())
node = node.add_child(
AlertGenerator(AlertLevel.warning, AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
node = node.add_child(ExpectClose())
conversations["MD5 first"] = conversation
conversation = Connect(host, port)
node = conversation
sigs = [(HashAlgorithm.md5, SignatureAlgorithm.rsa),
(HashAlgorithm.sha512, SignatureAlgorithm.rsa),
(HashAlgorithm.sha384, SignatureAlgorithm.rsa),
(HashAlgorithm.sha256, SignatureAlgorithm.rsa),
(HashAlgorithm.sha224, SignatureAlgorithm.rsa)]
ext = {
ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs)
}
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange(valid_sig_algs=sigs[1:]))
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectFinished())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\n\n")))
node = node.add_child(ExpectApplicationData())
node = node.add_child(
AlertGenerator(AlertLevel.warning, AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
node = node.add_child(ExpectClose())
conversations["MD5 first, no SHA-1"] = conversation
# sha-1 must not be the only option
conversation = Connect(host, port)
node = conversation
sigs = [(HashAlgorithm.sha512, SignatureAlgorithm.rsa),
(HashAlgorithm.sha384, SignatureAlgorithm.rsa),
(HashAlgorithm.sha256, SignatureAlgorithm.rsa),
(HashAlgorithm.sha224, SignatureAlgorithm.rsa)]
ext = {
ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs)
}
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectFinished())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\n\n")))
node = node.add_child(ExpectApplicationData())
node = node.add_child(
AlertGenerator(AlertLevel.warning, AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
node = node.add_child(ExpectClose())
conversations["no SHA-1"] = conversation
# undefined values
conversation = Connect(host, port)
node = conversation
sigs = [
(HashAlgorithm.sha256, 24), # undefined signature algorithm
(24, SignatureAlgorithm.rsa), # undefined hash algorithm
(10, 10), # undefined pair
(9, 24), # undefined pair
(0xff, 0xff), # undefined pair
(HashAlgorithm.sha512, SignatureAlgorithm.rsa),
(HashAlgorithm.sha384, SignatureAlgorithm.rsa),
(HashAlgorithm.sha256, SignatureAlgorithm.rsa),
(HashAlgorithm.sha224, SignatureAlgorithm.rsa)
]
ext = {
ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs)
}
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange(valid_sig_algs=sigs[5:]))
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectFinished())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\n\n")))
node = node.add_child(ExpectApplicationData())
node = node.add_child(
AlertGenerator(AlertLevel.warning, AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
node = node.add_child(ExpectClose())
conversations["extra sigalgs"] = conversation
conversation = Connect(host, port)
node = conversation
sigs = [
(HashAlgorithm.sha256, 24), # undefined signature algorithm
(24, SignatureAlgorithm.rsa), # undefined hash algorithm
(10, 10), # undefined pair
(9, 24), # undefined pair
(0xff, 0xff) # undefined pair
]
ext = {
ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs)
}
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(
ExpectAlert(AlertLevel.fatal, AlertDescription.handshake_failure))
node = node.add_child(ExpectClose())
conversations["only undefined sigalgs"] = conversation
# invalid formatting
conversation = Connect(host, port)
node = conversation
ext = {
ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create([])
}
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(
ExpectAlert(AlertLevel.fatal, AlertDescription.decode_error))
node = node.add_child(ExpectClose())
conversations["empty sigalgs"] = conversation
# invalid length
conversation = Connect(host, port)
node = conversation
sigs = [(HashAlgorithm.sha256, SignatureAlgorithm.rsa)]
ext = {
ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs)
}
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
msg = ClientHelloGenerator(ciphers, extensions=ext)
node = node.add_child(fuzz_message(msg, xors={-3: 1}))
node = node.add_child(
ExpectAlert(AlertLevel.fatal, AlertDescription.decode_error))
node = node.add_child(ExpectClose())
conversations["fuzz length of sigalgs"] = conversation
# invalid length
conversation = Connect(host, port)
node = conversation
sigs = [(HashAlgorithm.sha256, SignatureAlgorithm.rsa)]
ext = {
ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs)
}
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
msg = ClientHelloGenerator(ciphers, extensions=ext)
node = node.add_child(fuzz_message(msg, substitutions={-3: 4}))
node = node.add_child(
ExpectAlert(AlertLevel.fatal, AlertDescription.decode_error))
node = node.add_child(ExpectClose())
conversations["truncate sigalgs extension"] = conversation
# odd length
conversation = Connect(host, port)
node = conversation
sigs = [(HashAlgorithm.sha256, SignatureAlgorithm.rsa)]
ext = {
ExtensionType.signature_algorithms:
TLSExtension(extType=ExtensionType.signature_algorithms).create(
bytearray(b'\x00\x03' # length of array
b'\x04\x01' # sha256 + rsa
b'\x04'))
} # the odd byte
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
msg = ClientHelloGenerator(ciphers, extensions=ext)
node = node.add_child(msg)
node = node.add_child(
ExpectAlert(AlertLevel.fatal, AlertDescription.decode_error))
node = node.add_child(ExpectClose())
conversations["odd length of sigalgs"] = conversation
# padded extension
conversation = Connect(host, port)
node = conversation
sigs = [(HashAlgorithm.sha256, SignatureAlgorithm.rsa)]
ext = {
ExtensionType.signature_algorithms:
TLSExtension(extType=ExtensionType.signature_algorithms).create(
bytearray(b'\x00\x04' # length of array
b'\x02\x01' # sha1+rsa
b'\x04\x01' # sha256 + rsa
b'\x04\x03'))
} # extra bytes
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
msg = ClientHelloGenerator(ciphers, extensions=ext)
node = node.add_child(msg)
node = node.add_child(
ExpectAlert(AlertLevel.fatal, AlertDescription.decode_error))
node = node.add_child(ExpectClose())
conversations["padded sigalgs"] = conversation
# run the conversation
good = 0
bad = 0
failed = []
# make sure that sanity test is run first and last
# to verify that server was running and kept running throught
sanity_test = ('sanity', conversations['sanity'])
ordered_tests = chain([sanity_test],
filter(lambda x: x[0] != 'sanity',
conversations.items()), [sanity_test])
for c_name, c_test in ordered_tests:
if run_only and c_name not in run_only or c_name in run_exclude:
continue
print("{0} ...".format(c_name))
runner = Runner(c_test)
res = True
try:
runner.run()
except:
print("Error while processing")
print(traceback.format_exc())
res = False
if res:
good += 1
print("OK\n")
else:
bad += 1
failed.append(c_name)
print("Test end")
print("successful: {0}".format(good))
print("failed: {0}".format(bad))
failed_sorted = sorted(failed, key=natural_sort_keys)
print(" {0}".format('\n '.join(repr(i) for i in failed_sorted)))
if bad > 0:
sys.exit(1)
def main():
host = "localhost"
port = 4433
num_limit = None
run_exclude = set()
expected_failures = {}
last_exp_tmp = None
argv = sys.argv[1:]
opts, args = getopt.getopt(argv, "h:p:e:n:x:X:", ["help"])
for opt, arg in opts:
if opt == '-h':
host = arg
elif opt == '-p':
port = int(arg)
elif opt == '-e':
run_exclude.add(arg)
elif opt == '-n':
num_limit = int(arg)
elif opt == '-x':
expected_failures[arg] = None
last_exp_tmp = str(arg)
elif opt == '-X':
if not last_exp_tmp:
raise ValueError("-x has to be specified before -X")
expected_failures[last_exp_tmp] = str(arg)
elif opt == '--help':
help_msg()
sys.exit(0)
else:
raise ValueError("Unknown option: {0}".format(opt))
if args:
run_only = set(args)
else:
run_only = None
conversations = {}
conversation = Connect(host, port)
node = conversation
sigs = [
SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_rsae_sha512,
SignatureScheme.rsa_pss_pss_sha256, SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_pss_sha512,
(HashAlgorithm.sha512, SignatureAlgorithm.rsa),
(HashAlgorithm.sha384, SignatureAlgorithm.rsa),
(HashAlgorithm.sha256, SignatureAlgorithm.rsa),
(HashAlgorithm.sha224, SignatureAlgorithm.rsa),
(HashAlgorithm.sha1, SignatureAlgorithm.rsa)
]
ext = {
ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs),
ExtensionType.signature_algorithms_cert:
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
}
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectFinished())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\n\n")))
node = node.add_child(ExpectApplicationData())
node = node.add_child(
AlertGenerator(AlertLevel.warning, AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
node = node.add_child(ExpectClose())
conversations["sanity"] = conversation
for sig in [
SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_rsae_sha512,
SignatureScheme.rsa_pss_pss_sha256,
SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_pss_sha512
]:
conversation = Connect(host, port)
node = conversation
ext = {
ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create([sig]),
ExtensionType.signature_algorithms_cert:
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
}
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectFinished())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\n\n")))
node = node.add_child(ExpectApplicationData())
node = node.add_child(
AlertGenerator(AlertLevel.warning, AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
node = node.add_child(ExpectClose())
conversations["{0} only".format(
SignatureScheme.toRepr(sig))] = conversation
# MD5 not selected, even if first
conversation = Connect(host, port)
node = conversation
sigs = [(HashAlgorithm.md5, SignatureAlgorithm.rsa),
(HashAlgorithm.sha512, SignatureAlgorithm.rsa),
(HashAlgorithm.sha384, SignatureAlgorithm.rsa),
(HashAlgorithm.sha256, SignatureAlgorithm.rsa),
(HashAlgorithm.sha224, SignatureAlgorithm.rsa),
(HashAlgorithm.sha1, SignatureAlgorithm.rsa),
SignatureScheme.rsa_pss_pss_sha256,
SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_pss_sha512]
ext = {
ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs),
ExtensionType.signature_algorithms_cert:
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
}
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange(valid_sig_algs=sigs[1:]))
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectFinished())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\n\n")))
node = node.add_child(ExpectApplicationData())
node = node.add_child(
AlertGenerator(AlertLevel.warning, AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
node = node.add_child(ExpectClose())
conversations["MD5 first"] = conversation
conversation = Connect(host, port)
node = conversation
sigs = [(HashAlgorithm.md5, SignatureAlgorithm.rsa),
(HashAlgorithm.sha512, SignatureAlgorithm.rsa),
(HashAlgorithm.sha384, SignatureAlgorithm.rsa),
(HashAlgorithm.sha256, SignatureAlgorithm.rsa),
(HashAlgorithm.sha224, SignatureAlgorithm.rsa),
SignatureScheme.rsa_pss_pss_sha256,
SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_pss_sha512]
ext = {
ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs),
ExtensionType.signature_algorithms_cert:
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
}
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange(valid_sig_algs=sigs[1:]))
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectFinished())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\n\n")))
node = node.add_child(ExpectApplicationData())
node = node.add_child(
AlertGenerator(AlertLevel.warning, AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
node = node.add_child(ExpectClose())
conversations["MD5 first, no SHA-1"] = conversation
# sha-1 must not be the only option
conversation = Connect(host, port)
node = conversation
sigs = [(HashAlgorithm.sha512, SignatureAlgorithm.rsa),
(HashAlgorithm.sha384, SignatureAlgorithm.rsa),
(HashAlgorithm.sha256, SignatureAlgorithm.rsa),
(HashAlgorithm.sha224, SignatureAlgorithm.rsa),
SignatureScheme.rsa_pss_pss_sha256,
SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_pss_sha512]
ext = {
ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs),
ExtensionType.signature_algorithms_cert:
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
}
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectFinished())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\n\n")))
node = node.add_child(ExpectApplicationData())
node = node.add_child(
AlertGenerator(AlertLevel.warning, AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
node = node.add_child(ExpectClose())
conversations["no SHA-1"] = conversation
# undefined values
conversation = Connect(host, port)
node = conversation
sigs = [
(HashAlgorithm.sha256, 24), # undefined signature algorithm
(24, SignatureAlgorithm.rsa), # undefined hash algorithm
(10, 10), # undefined pair
(9, 24), # undefined pair
(0xff, 0xff), # undefined pair
(HashAlgorithm.sha512, SignatureAlgorithm.rsa),
(HashAlgorithm.sha384, SignatureAlgorithm.rsa),
(HashAlgorithm.sha256, SignatureAlgorithm.rsa),
(HashAlgorithm.sha224, SignatureAlgorithm.rsa),
SignatureScheme.rsa_pss_pss_sha256,
SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_pss_sha512
]
ext = {
ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs),
ExtensionType.signature_algorithms_cert:
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
}
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange(valid_sig_algs=sigs[5:]))
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectFinished())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\n\n")))
node = node.add_child(ExpectApplicationData())
node = node.add_child(
AlertGenerator(AlertLevel.warning, AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
node = node.add_child(ExpectClose())
conversations["extra sigalgs"] = conversation
conversation = Connect(host, port)
node = conversation
sigs = [
(HashAlgorithm.sha256, 24), # undefined signature algorithm
(24, SignatureAlgorithm.rsa), # undefined hash algorithm
(10, 10), # undefined pair
(9, 24), # undefined pair
(0xff, 0xff) # undefined pair
]
ext = {
ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs),
ExtensionType.signature_algorithms_cert:
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
}
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(
ExpectAlert(AlertLevel.fatal, AlertDescription.handshake_failure))
node = node.add_child(ExpectClose())
conversations["only undefined sigalgs"] = conversation
# invalid formatting
conversation = Connect(host, port)
node = conversation
ext = {
ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create([]),
ExtensionType.signature_algorithms_cert:
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
}
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(
ExpectAlert(AlertLevel.fatal, AlertDescription.decode_error))
node = node.add_child(ExpectClose())
conversations["empty sigalgs"] = conversation
# invalid length
conversation = Connect(host, port)
node = conversation
ext = OrderedDict()
ext[ExtensionType.signature_algorithms_cert] = SignatureAlgorithmsCertExtension()\
.create(RSA_SIG_ALL)
sigs = [(HashAlgorithm.sha256, SignatureAlgorithm.rsa)]
ext[ExtensionType.signature_algorithms] = SignatureAlgorithmsExtension()\
.create(sigs)
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
msg = ClientHelloGenerator(ciphers, extensions=ext)
node = node.add_child(fuzz_message(msg, xors={-3: 1}))
node = node.add_child(
ExpectAlert(AlertLevel.fatal, AlertDescription.decode_error))
node = node.add_child(ExpectClose())
conversations["fuzz length of sigalgs"] = conversation
# invalid length
conversation = Connect(host, port)
node = conversation
sigs = [(HashAlgorithm.sha256, SignatureAlgorithm.rsa)]
ext = OrderedDict()
ext[ExtensionType.signature_algorithms_cert] = SignatureAlgorithmsCertExtension()\
.create(RSA_SIG_ALL)
ext[ExtensionType.signature_algorithms] = SignatureAlgorithmsExtension()\
.create(sigs)
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
msg = ClientHelloGenerator(ciphers, extensions=ext)
node = node.add_child(fuzz_message(msg, substitutions={-3: 4}))
node = node.add_child(
ExpectAlert(AlertLevel.fatal, AlertDescription.decode_error))
node = node.add_child(ExpectClose())
conversations["truncate sigalgs extension"] = conversation
# odd length
conversation = Connect(host, port)
node = conversation
ext = {
ExtensionType.signature_algorithms:
TLSExtension(extType=ExtensionType.signature_algorithms).create(
bytearray(b'\x00\x03' # length of array
b'\x04\x01' # sha256 + rsa
b'\x04')), # the odd byte
ExtensionType.signature_algorithms_cert:
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
}
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
msg = ClientHelloGenerator(ciphers, extensions=ext)
node = node.add_child(msg)
node = node.add_child(
ExpectAlert(AlertLevel.fatal, AlertDescription.decode_error))
node = node.add_child(ExpectClose())
conversations["odd length of sigalgs"] = conversation
# padded extension
conversation = Connect(host, port)
node = conversation
ext = {
ExtensionType.signature_algorithms:
TLSExtension(extType=ExtensionType.signature_algorithms).create(
bytearray(b'\x00\x04' # length of array
b'\x02\x01' # sha1+rsa
b'\x04\x01' # sha256 + rsa
b'\x04\x03')), # extra bytes
ExtensionType.signature_algorithms_cert:
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
}
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
msg = ClientHelloGenerator(ciphers, extensions=ext)
node = node.add_child(msg)
node = node.add_child(
ExpectAlert(AlertLevel.fatal, AlertDescription.decode_error))
node = node.add_child(ExpectClose())
conversations["padded sigalgs"] = conversation
# run the conversation
good = 0
bad = 0
xfail = 0
xpass = 0
failed = []
xpassed = []
if not num_limit:
num_limit = len(conversations)
# make sure that sanity test is run first and last
# to verify that server was running and kept running throughout
sanity_tests = [('sanity', conversations['sanity'])]
if run_only:
if num_limit > len(run_only):
num_limit = len(run_only)
regular_tests = [(k, v) for k, v in conversations.items()
if k in run_only]
else:
regular_tests = [(k, v) for k, v in conversations.items()
if (k != 'sanity') and k not in run_exclude]
sampled_tests = sample(regular_tests, min(num_limit, len(regular_tests)))
ordered_tests = chain(sanity_tests, sampled_tests, sanity_tests)
for c_name, c_test in ordered_tests:
print("{0} ...".format(c_name))
runner = Runner(c_test)
res = True
exception = None
try:
runner.run()
except Exception as exp:
exception = exp
print("Error while processing")
print(traceback.format_exc())
res = False
if c_name in expected_failures:
if res:
xpass += 1
xpassed.append(c_name)
print("XPASS-expected failure but test passed\n")
else:
if expected_failures[c_name] is not None and \
expected_failures[c_name] not in str(exception):
bad += 1
failed.append(c_name)
print("Expected error message: {0}\n".format(
expected_failures[c_name]))
else:
xfail += 1
print("OK-expected failure\n")
else:
if res:
good += 1
print("OK\n")
else:
bad += 1
failed.append(c_name)
print("Check if server correctly selects signature algorithm for SKE")
print("Test to verify that Server Key Exchange is signed with safe")
print("and correct algorithms.")
print("Note that test expects server with support for both rsa_pss_rsae_*")
print("and rsa_pss_pss_* signatures, in other words, one with both")
print("rsaEncryption key in one certificate and rsasse-pss in second")
print("certificate. If there's only one certificate installed in server,")
print("some of the tests that advertise just one algorithm may need to be")
print("disabled.")
print("Test end")
print(20 * '=')
print("version: {0}".format(version))
print(20 * '=')
print("TOTAL: {0}".format(len(sampled_tests) + 2 * len(sanity_tests)))
print("SKIP: {0}".format(
len(run_exclude.intersection(conversations.keys()))))
print("PASS: {0}".format(good))
print("XFAIL: {0}".format(xfail))
print("FAIL: {0}".format(bad))
print("XPASS: {0}".format(xpass))
print(20 * '=')
sort = sorted(xpassed, key=natural_sort_keys)
if len(sort):
print("XPASSED:\n\t{0}".format('\n\t'.join(repr(i) for i in sort)))
sort = sorted(failed, key=natural_sort_keys)
if len(sort):
print("FAILED:\n\t{0}".format('\n\t'.join(repr(i) for i in sort)))
if bad > 0:
sys.exit(1)
def main():
host = "localhost"
port = 4433
num_limit = 15
run_exclude = set()
expected_failures = {}
last_exp_tmp = None
private_key = None
cert = None
exp_illeg_param = False
sigalgs = [
SignatureScheme.ecdsa_secp521r1_sha512,
SignatureScheme.ecdsa_secp384r1_sha384,
SignatureScheme.ecdsa_secp256r1_sha256,
(HashAlgorithm.sha224, SignatureAlgorithm.ecdsa),
(HashAlgorithm.sha1,
SignatureAlgorithm.ecdsa), SignatureScheme.rsa_pss_rsae_sha512,
SignatureScheme.rsa_pss_pss_sha512,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_pss_sha256,
(HashAlgorithm.sha512, SignatureAlgorithm.rsa),
(HashAlgorithm.sha384, SignatureAlgorithm.rsa),
(HashAlgorithm.sha256, SignatureAlgorithm.rsa),
(HashAlgorithm.sha224, SignatureAlgorithm.rsa),
(HashAlgorithm.sha1, SignatureAlgorithm.rsa)
]
argv = sys.argv[1:]
opts, args = getopt.getopt(argv, "h:p:e:x:X:n:k:c:s:",
["help", "illegpar"])
for opt, arg in opts:
if opt == '-k':
text_key = open(arg, 'rb').read()
if sys.version_info[0] >= 3:
text_key = str(text_key, 'utf-8')
private_key = parsePEMKey(text_key,
private=True,
implementations=["python"])
elif opt == '-c':
text_cert = open(arg, 'rb').read()
if sys.version_info[0] >= 3:
text_cert = str(text_cert, 'utf-8')
cert = X509()
cert.parse(text_cert)
elif opt == '-s':
sigalgs = sig_algs_to_ids(arg)
elif opt == '-h':
host = arg
elif opt == '-p':
port = int(arg)
elif opt == '-e':
run_exclude.add(arg)
elif opt == '-x':
expected_failures[arg] = None
last_exp_tmp = str(arg)
elif opt == '-X':
if not last_exp_tmp:
raise ValueError("-x has to be specified before -X")
expected_failures[last_exp_tmp] = str(arg)
elif opt == '-n':
num_limit = int(arg)
elif opt == '--illegpar':
exp_illeg_param = True
elif opt == '--help':
help_msg()
sys.exit(0)
else:
raise ValueError("Unknown option: {0}".format(opt))
if args:
run_only = set(args)
else:
run_only = None
if not private_key:
raise ValueError("Specify private key file using -k")
if not cert:
raise ValueError("Specify certificate file using -c")
conversations = {}
conversations_long = {}
conversation = Connect(host, port)
node = conversation
sigs = [
SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_rsae_sha512,
SignatureScheme.rsa_pss_pss_sha256, SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_pss_sha512,
(HashAlgorithm.sha512, SignatureAlgorithm.rsa),
(HashAlgorithm.sha384, SignatureAlgorithm.rsa),
(HashAlgorithm.sha256, SignatureAlgorithm.rsa),
(HashAlgorithm.sha224, SignatureAlgorithm.rsa),
(HashAlgorithm.sha1, SignatureAlgorithm.rsa)
]
ext = {
ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs),
ExtensionType.signature_algorithms_cert:
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
}
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
algs = [
SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_rsae_sha512,
SignatureScheme.rsa_pss_pss_sha256, SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_pss_sha512
]
node = node.add_child(ExpectServerKeyExchange(valid_sig_algs=algs))
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(CertificateVerifyGenerator(private_key))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectFinished())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\n\n")))
node = node.add_child(ExpectApplicationData())
node = node.add_child(
AlertGenerator(AlertLevel.warning, AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
node = node.add_child(ExpectClose())
conversations["sanity"] = conversation
# check if RSA-PSS can be the only one
conversation = Connect(host, port)
node = conversation
sigs = [
SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_rsae_sha512,
SignatureScheme.rsa_pss_pss_sha256, SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_pss_sha512
]
ext = {
ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs),
ExtensionType.signature_algorithms_cert:
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
}
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(CertificateVerifyGenerator(private_key))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectFinished())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\n\n")))
node = node.add_child(ExpectApplicationData())
node = node.add_child(
AlertGenerator(AlertLevel.warning, AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
node = node.add_child(ExpectClose())
conversations["RSA-PSS only"] = conversation
# check if algs in CertificateRequest are expected
conversation = Connect(host, port)
node = conversation
sigs = [
SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_rsae_sha512,
SignatureScheme.rsa_pss_pss_sha256, SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_pss_sha512
]
ext = {
ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs),
ExtensionType.signature_algorithms_cert:
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
}
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectCertificateRequest(sig_algs=sigalgs))
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(CertificateVerifyGenerator(private_key))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectFinished())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\n\n")))
node = node.add_child(ExpectApplicationData())
node = node.add_child(
AlertGenerator(AlertLevel.warning, AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
node = node.add_child(ExpectClose())
conversations["check CertificateRequest sigalgs"] = conversation
if cert.certAlg == "rsa":
schemes = [
SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_rsae_sha512
]
invalid_schemes = [
SignatureScheme.rsa_pss_pss_sha256,
SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_pss_sha512
]
else:
schemes = [
SignatureScheme.rsa_pss_pss_sha256,
SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_pss_sha512
]
invalid_schemes = [
SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_rsae_sha512
]
for scheme in invalid_schemes:
conversation = Connect(host, port)
node = conversation
sigs = [
SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_rsae_sha512,
SignatureScheme.rsa_pss_pss_sha256,
SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_pss_sha512
]
ext = {
ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs),
ExtensionType.signature_algorithms_cert:
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
}
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(
CertificateVerifyGenerator(private_key, msg_alg=scheme))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
if exp_illeg_param:
node = node.add_child(
ExpectAlert(AlertLevel.fatal,
AlertDescription.illegal_parameter))
else:
node = node.add_child(
ExpectAlert(AlertLevel.fatal, AlertDescription.decrypt_error))
node = node.add_child(ExpectClose())
conversations["{0} in CertificateVerify with {1} key".format(
SignatureScheme.toRepr(scheme), cert.certAlg)] = conversation
# check if CertificateVerify can be signed with any algorithm
for scheme in schemes:
conversation = Connect(host, port)
node = conversation
sigs = [
SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_rsae_sha512,
SignatureScheme.rsa_pss_pss_sha256,
SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_pss_sha512
]
ext = {
ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs),
ExtensionType.signature_algorithms_cert:
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
}
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(
CertificateVerifyGenerator(private_key, msg_alg=scheme))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectFinished())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\n\n")))
node = node.add_child(ExpectApplicationData())
node = node.add_child(
AlertGenerator(AlertLevel.warning, AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
node = node.add_child(ExpectClose())
conversations["{0} in CertificateVerify with {1} key".format(
SignatureScheme.toRepr(scheme), cert.certAlg)] = conversation
# check if CertificateVerify with wrong salt size is rejected
for scheme in schemes:
conversation = Connect(host, port)
node = conversation
sigs = [
SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_rsae_sha512,
SignatureScheme.rsa_pss_pss_sha256,
SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_pss_sha512
]
ext = {
ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs),
ExtensionType.signature_algorithms_cert:
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
}
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(
CertificateVerifyGenerator(private_key,
msg_alg=scheme,
rsa_pss_salt_len=20))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(
ExpectAlert(AlertLevel.fatal, AlertDescription.decrypt_error))
node = node.add_child(ExpectClose())
conversations[
"{0} in CertificateVerify with incorrect salt len".format(
SignatureScheme.toRepr(scheme))] = conversation
# check if CertificateVerify with wrong salt size is rejected
for pos in range(numBytes(private_key.n)):
for xor in [0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80]:
conversation = Connect(host, port)
node = conversation
sigs = [
SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_rsae_sha512,
SignatureScheme.rsa_pss_pss_sha256,
SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_pss_sha512
]
ext = {
ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs),
ExtensionType.signature_algorithms_cert:
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
}
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
node = node.add_child(ClientHelloGenerator(ciphers,
extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(ClientKeyExchangeGenerator())
if cert.certAlg == "rsa":
scheme = SignatureScheme.rsa_pss_rsae_sha256
else:
scheme = SignatureScheme.rsa_pss_pss_sha256
node = node.add_child(
CertificateVerifyGenerator(private_key,
msg_alg=scheme,
padding_xors={pos: xor}))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(
ExpectAlert(AlertLevel.fatal, AlertDescription.decrypt_error))
node = node.add_child(ExpectClose())
conversations_long[
"malformed {0} in CertificateVerify - xor {1} at {2}".format(
cert.certAlg, hex(xor), pos)] = conversation
if cert.certAlg == "rsa-pss":
conversation = Connect(host, port)
node = conversation
sigs = [
SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_rsae_sha512,
SignatureScheme.rsa_pss_pss_sha256,
SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_pss_sha512
]
ext = {
ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs),
ExtensionType.signature_algorithms_cert:
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
}
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(
CertificateVerifyGenerator(
private_key,
msg_alg=SignatureScheme.rsa_pkcs1_sha256,
sig_alg=SignatureScheme.rsa_pkcs1_sha256))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
if exp_illeg_param:
node = node.add_child(
ExpectAlert(AlertLevel.fatal,
AlertDescription.illegal_parameter))
else:
node = node.add_child(
ExpectAlert(AlertLevel.fatal, AlertDescription.decrypt_error))
node = node.add_child(ExpectClose())
conversations["rsa_pkcs1_sha256 signature in CertificateVerify "
"with rsa-pss key"] = conversation
conversation = Connect(host, port)
node = conversation
sigs = [
SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_rsae_sha512,
SignatureScheme.rsa_pss_pss_sha256, SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_pss_sha512
]
ext = {
ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs),
ExtensionType.signature_algorithms_cert:
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
}
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(ClientKeyExchangeGenerator())
if cert.certAlg == "rsa":
sig_alg = SignatureScheme.rsa_pss_rsae_sha256
else:
sig_alg = SignatureScheme.rsa_pss_pss_sha256
node = node.add_child(
CertificateVerifyGenerator(private_key,
msg_alg=SignatureScheme.rsa_pkcs1_sha256,
sig_alg=sig_alg))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
if exp_illeg_param and cert.certAlg != "rsa":
node = node.add_child(
ExpectAlert(AlertLevel.fatal, AlertDescription.illegal_parameter))
else:
# with rsaEncryption key in certificate, there is nothing the TLS
# layer can inspect to decide if the signature is valid before actually
# verifying it
# for rsassa-pss, rsa_pkcs1 signature is illegal
node = node.add_child(
ExpectAlert(AlertLevel.fatal, AlertDescription.decrypt_error))
node = node.add_child(ExpectClose())
conversations[
"{0} signature in CertificateVerify with rsa_pkcs1_sha256 id".format(
SignatureScheme.toRepr(sig_alg))] = conversation
conversation = Connect(host, port)
node = conversation
sigs = [
SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_rsae_sha512,
SignatureScheme.rsa_pss_pss_sha256, SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_pss_sha512
]
ext = {
ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs),
ExtensionType.signature_algorithms_cert:
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
}
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(ClientKeyExchangeGenerator())
if cert.certAlg == "rsa":
scheme = SignatureScheme.rsa_pss_rsae_sha256
else:
scheme = SignatureScheme.rsa_pss_pss_sha256
sig = bytearray(b'\xfa\xbc\x0f\x4c')
node = node.add_child(
CertificateVerifyGenerator(private_key, msg_alg=scheme, signature=sig))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(
ExpectAlert(AlertLevel.fatal, AlertDescription.decrypt_error))
node = node.add_child(ExpectClose())
conversations["short sig with {0} id".format(
SignatureScheme.toRepr(scheme))] = conversation
# run the conversation
good = 0
bad = 0
xfail = 0
xpass = 0
failed = []
xpassed = []
if not num_limit:
num_limit = len(conversations_long)
# make sure that sanity test is run first and last
# to verify that server was running and kept running throughout
sanity_tests = [('sanity', conversations['sanity'])]
if run_only:
if num_limit > len(run_only):
num_limit = len(run_only)
long_tests = [(k, v) for k, v in conversations_long.items()
if k in run_only]
short_tests = [(k, v) for k, v in conversations.items()
if (k != 'sanity') and k in run_only]
else:
long_tests = [(k, v) for k, v in conversations_long.items()
if k not in run_exclude]
short_tests = [(k, v) for k, v in conversations.items()
if (k != 'sanity') and k not in run_exclude]
sampled_tests = sample(long_tests, min(num_limit, len(long_tests)))
ordered_tests = chain(sanity_tests, short_tests, sampled_tests,
sanity_tests)
for c_name, c_test in ordered_tests:
print("{0} ...".format(c_name))
runner = Runner(c_test)
res = True
exception = None
try:
runner.run()
except Exception as exp:
exception = exp
print("Error while processing")
print(traceback.format_exc())
res = False
if c_name in expected_failures:
if res:
xpass += 1
xpassed.append(c_name)
print("XPASS-expected failure but test passed\n")
else:
if expected_failures[c_name] is not None and \
expected_failures[c_name] not in str(exception):
bad += 1
failed.append(c_name)
print("Expected error message: {0}\n".format(
expected_failures[c_name]))
else:
xfail += 1
print("OK-expected failure\n")
else:
if res:
good += 1
print("OK\n")
else:
bad += 1
failed.append(c_name)
print("Check handling of rsa-pss signatures")
print("Test should be run twice, once with certificate with")
print("rsaEncryption key and once with certificate with rsassa-pss key.")
print("Implementations that inspect certificate type and check signature")
print("scheme in CertificateVerify before verifying signature need to use")
print("--illegpar option")
print("Test end")
print(20 * '=')
print("version: {0}".format(version))
print(20 * '=')
print("TOTAL: {0}".format(
len(sampled_tests) + len(short_tests) + 2 * len(sanity_tests)))
print("SKIP: {0}".format(
len(run_exclude.intersection(conversations.keys()))))
print("PASS: {0}".format(good))
print("XFAIL: {0}".format(xfail))
print("FAIL: {0}".format(bad))
print("XPASS: {0}".format(xpass))
print(20 * '=')
sort = sorted(xpassed, key=natural_sort_keys)
if len(sort):
print("XPASSED:\n\t{0}".format('\n\t'.join(repr(i) for i in sort)))
sort = sorted(failed, key=natural_sort_keys)
if len(sort):
print("FAILED:\n\t{0}".format('\n\t'.join(repr(i) for i in sort)))
if bad > 0:
sys.exit(1)
def test_toRepr_with_valid_value(self):
ret = SignatureScheme.toRepr((6, 1))
self.assertEqual(ret, "rsa_pkcs1_sha512")