def __init__(self, cmdname, args):
BaseAction.__init__(self, cmdname, args)
crts = self._read_certificates(self._args.crtfile)
self._hd = HexDump()
local_vars = {
"x509sak": x509sak,
"derdec": lambda data: pyasn1.codec.der.decoder.decode(data)[0],
"derenc": pyasn1.codec.der.encoder.encode,
"berenc": pyasn1.codec.ber.encoder.encode,
"crts": crts,
"c": crts[0] if (len(crts) > 0) else None,
"a": crts[0].asn1 if (len(crts) > 0) else None,
"unpkcs1": PaddingTools.unpad_pkcs1,
"decrsa": self._decrypt_selfsigned_rsa_signature,
"md5": lambda payload: hashlib.md5(payload).digest(),
"sha1": lambda payload: hashlib.sha1(payload).digest(),
"sha256": lambda payload: hashlib.sha256(payload).digest(),
"sha384": lambda payload: hashlib.sha384(payload).digest(),
"sha512": lambda payload: hashlib.sha512(payload).digest(),
"hd": self._hd.dump,
"ap": self._asn1parse,
"write_py": self._write_py,
"safedec": ASN1Tools.safe_decode,
}
console = DebugConsole(local_vars = local_vars)
for command in self._args.execute:
print(">>> %s" % (command))
console.runcode(command)
if len(self._args.execute) > 0:
print()
if not self._args.no_interact:
console.interact()
def __init__(self, cmdname, args):
BaseAction.__init__(self, cmdname, args)
camgr = CAManager(self._args.capath)
camgr.create_crl(self._args.crl_filename,
validity_days=self._args.validity_days,
signing_hash=self._args.hashfnc)
def __init__(self, cmdname, args):
BaseAction.__init__(self, cmdname, args)
self._pool = CertificatePool()
self._pool.load_sources(self._args.crtsource)
self._log.debug("Loaded a total of %d unique certificates in trust store.", self._pool.certificate_count)
if self._args.format is not None:
file_format = self._args.format
else:
file_format = os.path.splitext(self._args.outfile)[1].lstrip(".")
self._active_substitutions = { name: getattr(self, "_substitute_" + name) for name in self.get_supported_substitutions() }
self._get_cert_attributes = getattr(self, "_get_cert_attributes_" + self._args.color_scheme, None)
if self._get_cert_attributes is None:
raise LazyDeveloperException("Color scheme '%s' is unsupported. This is a bug." % (self._args.color_scheme))
# Load color palettes
self._palette_traffic = AdvancedColorPalette(JSONTools.load_internal("x509sak.data", "palettes.json")["traffic"])
self._palette_flatui = AdvancedColorPalette(JSONTools.load_internal("x509sak.data", "palettes.json")["flatui"])
if file_format == "dot":
with open(self._args.outfile, "w") as dotfile:
self._write_dotfile(dotfile)
elif file_format in [ "ps", "png", "pdf" ]:
with tempfile.NamedTemporaryFile("w", prefix = "graph_", suffix = ".dot") as dotfile, open(self._args.outfile, "wb") as outfile:
self._write_dotfile(dotfile)
cmd = [ "dot", "-T%s" % (file_format), dotfile.name ]
subprocess.check_call(cmd, stdout = outfile)
else:
raise UnknownFormatException("Unknown file format: \"%s\"" % (file_format))
def __init__(self, cmdname, args):
BaseAction.__init__(self, cmdname, args)
self._pool = CertificatePool()
self._pool.load_sources(self._args.crtsource)
self._log.debug(
"Loaded a total of %d unique certificates in trust store.",
self._pool.certificate_count)
for cert in sorted(self._pool):
if self._cert_matches(cert):
cert.dump_pem()
def __init__(self, cmdname, args):
BaseAction.__init__(self, cmdname, args)
certs = X509Certificate.read_pemfile(self._args.crt_filename)
if not certs[0].is_selfsigned:
raise InvalidInputException("First certificate in chain (%s) is not self-signed." % (certs[0]))
for (cert_id, (issuer, subject)) in enumerate(zip(certs, certs[1:]), 1):
if not subject.signed_by(issuer):
raise InvalidInputException("Certificate %d in file (%s) is not issuer for certificate %d (%s)." % (cert_id, issuer, cert_id + 1, subject))
self._log.debug("Chain of %d certificates to forge.", len(certs))
self._forge_cert(0, certs[0], 0, certs[0])
for (cert_subject_id, (issuer, subject)) in enumerate(zip(certs, certs[1:]), 1):
self._forge_cert(cert_subject_id - 1, issuer, cert_subject_id, subject)
def __init__(self, cmdname, args):
BaseAction.__init__(self, cmdname, args)
if (not self._args.force) and os.path.exists(self._args.outfile):
raise UnfulfilledPrerequisitesException(
"File/directory %s already exists. Remove it first or use --force."
% (self._args.outfile))
self._prime_db = PrimeDB(self._args.prime_db,
generator_program=self._args.generator)
q = self._prime_db.get(args.N_bits)
if self._args.verbose >= 1:
print("Chosen q = 0x%x" % (q))
bit_diff = args.L_bits - q.bit_length()
while True:
r = NumberTheory.randint_bits(bit_diff, two_msb_set=True)
p = (r * q) + 1
if NumberTheory.is_probable_prime(p):
break
if self._args.verbose >= 1:
print("Chosen p = 0x%x" % (p))
assert (q.bit_length() == args.N_bits)
assert (p.bit_length() == args.L_bits)
assert ((p - 1) % q == 0)
# Non-verifiable method of generating g, see A.2.1 of FIPS 186-4, pg. 41
e = (p - 1) // q
while True:
h = random.randint(2, p - 2)
g = pow(h, e, p)
if g == 1:
continue
break
if self._args.verbose >= 1:
print("Chosen g = 0x%x" % (g))
dsa_parameters = DSAParameters.create(p=p, q=q, g=g)
dsa_parameters.write_pemfile(self._args.outfile)
def __init__(self, cmdname, args):
BaseAction.__init__(self, cmdname, args)
# Plausibilize input parameters
kwargs_checker = KwargsChecker(optional_arguments = set(self._DER_CLASSES.keys()))
kwargs_checker.check(self._args.include_dertype, hint = "DER classes to be included")
kwargs_checker.check(self._args.exclude_dertype, hint = "DER classes to be excluded")
# Plausibilize output directory
if os.path.exists(self._args.outdir) and (not self._args.force):
raise Exception("Directory %s already exists. Remove it first or use --force." % (self._args.outdir))
try:
os.makedirs(self._args.outdir)
except FileExistsError:
pass
# Determine active DERHandler classes
if len(self._args.include_dertype) == 0:
active_der_types = set(self._DER_CLASSES.keys())
else:
active_der_types = set(self._args.include_dertype)
active_der_types -= set(self._args.exclude_dertype)
self._active_der_types = [ self._DER_CLASSES[class_name] for class_name in active_der_types ]
self._active_der_types.sort(key = lambda handler: (handler.precedence, handler.data_type))
self._stats = ActionScrapeStats(self._args)
self._stats.set_active_der_types([ handler_class.data_type for handler_class in self._active_der_types ])
self._matches = Intervals()
self._hashes = set()
engine = ScrapeEngine(self._args.filename)
if not self._args.no_pem:
engine.search(self._find_pem, b"-----BEGIN ", min_length = 52, max_length = 32 * 1024)
if (not self._args.no_der) and (len(self._active_der_types) > 0):
self._log.debug("Looking for %d DER type(s): %s", len(self._active_der_types), ", ".join(handler.data_type for handler in self._active_der_types))
engine.search(self._find_der, bytes.fromhex("30"), min_length = 2, max_length = 32 * 1024)
end_offset = engine.commence(start_offset = self._args.seek_offset, length = self._args.analysis_length, progress_callback = self._progress_callback)
self._stats.finish(end_offset)
self._stats.dump()
if self._args.write_json is not None:
JSONTools.write_to_file(self._stats.as_dict(), self._args.write_json)
def __init__(self, cmdname, args):
BaseAction.__init__(self, cmdname, args)
if args.encoding == "hex":
with open(args.filename) as f:
data = bytes.fromhex(f.read().replace("\n", ""))
elif args.encoding == "bin":
with open(args.filename, "rb") as f:
data = f.read()
else:
raise NotImplementedError(args.encoding)
if self._args.verbose >= 1:
hd = HexDump()
hd.dump(data)
self._pp = pprint.PrettyPrinter(width=180)
decoder = TLSMessageDecoder(side=args.side)
decoder.add_hook("alert", self._msg_alert)
decoder.add_hook("handshake", self._msg_handshake)
decoder.put(data)
def __init__(self, cmdname, args):
BaseAction.__init__(self, cmdname, args)
structure = x509sak.estimate.JudgementStructure.create_judgement_structure(
verbose=self._args.verbose >= 1)
extended_enum_class = structure.create_extended_enum_class()
if self._args.action == "list":
codes = [enum_code.value for enum_code in extended_enum_class]
for jc in sorted(codes):
print(jc.name)
elif self._args.action == "dump":
structure.root.dump()
elif self._args.action == "inherit":
for (target_attribute, inherited_codes) in sorted(
extended_enum_class.inheritance.items()):
print("%s:" % (target_attribute))
for (base_name, codepoint) in sorted(inherited_codes.items()):
print(" %-60s %s" % (base_name, codepoint.name))
print()
else:
raise NotImplementedError(self._args.action)
def __init__(self, cmdname, args):
BaseAction.__init__(self, cmdname, args)
if len(args.hash_alg) == 0:
hash_fncs = self.get_default_hash_fncs()
elif ("all" in args.hash_alg):
hash_fncs = self.get_supported_hash_fncs()
else:
hash_fncs = set(args.hash_alg)
with open(args.filename, "rb") as f:
f.seek(args.seek_offset)
self._data = f.read(args.analysis_length)
if len(self._args.variable_hash_length) == 0:
hash_lengths = self.get_default_variable_hash_lengths_bits()
else:
hash_lengths = self._args.variable_hash_length
if any((value % 8) != 0 for value in hash_lengths):
raise InvalidInputException("Not all hash lengths are evenly divisible by 8: %s" % (", ".join("%d" % (value) for value in hash_lengths)))
if any((value < 8) for value in hash_lengths):
raise InvalidInputException("Hash length must be at least 8 bit, not all are: %s" % (", ".join("%d" % (value) for value in hash_lengths)))
valid_search_chars = set("abcdefABCDEF0123456789")
if (self._args.search is not None) and (len(set(self._args.search) - valid_search_chars) > 0):
raise InvalidInputException("Search pattern may only contain hexadecimal characters, but '%s' was given." % (self._args.search))
self._search = (self._args.search or "").lower()
t0 = time.time()
hash_fncs_by_name = { hashfnc.name: hashfnc for hashfnc in self.get_all_supported_hash_fncs() }
for hash_fnc_name in sorted(hash_fncs):
hash_fnc = hash_fncs_by_name[hash_fnc_name]
if not hash_fnc.variable_output_length:
self._run_hash_function(hash_fnc_name)
else:
for hash_len_bits in hash_lengths:
self._run_hash_function(hash_fnc_name, output_length_bits = hash_len_bits)
t1 = time.time()
self._log.debug("Hash search took %.1f secs.", t1 - t0)
def __init__(self, cmdname, args):
BaseAction.__init__(self, cmdname, args)
if os.path.exists(self._args.crt_filename) and (not self._args.force):
raise Exception(
"File/directory %s already exists. Remove it first or use --force."
% (self._args.crt_filename))
camgr = CAManager(self._args.capath)
custom_x509_extensions = {
custom_x509_extension.key: custom_x509_extension.value
for custom_x509_extension in self._args.extension
}
camgr.sign_csr(self._args.csr_filename,
self._args.crt_filename,
extension_template=self._args.template,
custom_x509_extensions=custom_x509_extensions,
subject_dn=self._args.subject_dn,
validity_days=self._args.validity_days,
signing_hash=self._args.hashfnc,
subject_alternative_dns_names=self._args.san_dns,
subject_alternative_ip_addresses=self._args.san_ip)
def __init__(self, cmdname, args):
BaseAction.__init__(self, cmdname, args)
tls_version = TLSVersion.ProtocolTLSv1_2
self._conn = TLSClientConnection.tcp_connect(
tls_version=tls_version,
servername=args.servername,
port=args.port)
if self._args.starttls is None:
pass
elif self._args.starttls == "smtp":
self._starttls_smtp(self._conn.transport)
else:
raise NotImplementedError(self._args.starttls)
self._conn.decoder.add_hook("handshake", self._recv_handshake)
self._conn.decoder.add_hook("record_layer", self._recv_record_layer)
chh = ClientHelloHelper()
client_hello = chh.create(server_name=args.servername)
frame = ClientHelloPkt.pack(client_hello)
self._conn.send_handshake(frame)
self._conn.receive()
def __init__(self, cmdname, args):
BaseAction.__init__(self, cmdname, args)
sys.setrecursionlimit(10000)
self._cg = CertGenerator.instantiate(self._args.tcname + ".ader")
if self._args.list_parameters:
for (name, values) in sorted(self._cg.parameters):
print("%-30s %s" % (name, ", ".join(sorted(values))))
sys.exit(0)
template_parameters = {}
for parameter in self._args.parameter:
(key, value) = parameter.split("=", maxsplit=1)
if value == "*":
template_parameters[key] = self._cg.get_choices(key)
else:
template_parameters[key] = [value]
for (name, values) in self._cg.parameters:
if name not in template_parameters:
template_parameters[name] = values
with contextlib.suppress(FileExistsError):
os.makedirs(self._args.output_dir)
template_parameters = list(template_parameters.items())
keys = [key for (key, values) in template_parameters]
values = [values for (key, values) in template_parameters]
self._tcs = []
for concrete_values in itertools.product(*values):
concrete_values = dict(zip(keys, concrete_values))
try:
self._render(concrete_values)
except subprocess.CalledProcessError as e:
print("Failed: %s (%s)" % (str(concrete_values), str(e)))
self._tcs.sort()
self._print_tcs()
def __init__(self, cmdname, args):
BaseAction.__init__(self, cmdname, args)
if self._args.parent_certificate is None:
parent_ca_cert = None
else:
if self._args.in_format == "dercrt":
# CA cert in DER form if host certificate is also in DER form
crt = X509Certificate.read_derfile(self._args.parent_certificate)
else:
# CA cert in PEM form for all other cases
crt = X509Certificate.read_pemfile(self._args.parent_certificate)[0]
parent_ca_cert = CertificateAnalyzer.CertSource(source = self._args.parent_certificate, source_type = "pemcrt" if (self._args.in_format != "dercrt") else "dercrt", crts = [ crt ])
if self._args.in_format in [ "pemcrt", "dercrt", "host" ]:
crt_sources = self._load_certificates()
analysis_params = {
"include_raw_data": self._args.include_raw_data,
"fast_rsa": self._args.fast_rsa,
"purposes": self._args.purpose,
"entity_name": self._args.server_name,
}
if (len(analysis_params["purposes"]) == 0) and (self._args.in_format == "host") and (not self._args.no_automatic_host_check):
analysis_params["purposes"].append("tls-server")
if (analysis_params["entity_name"] is None) and (self._args.in_format == "host") and (not self._args.no_automatic_host_check):
hostname = crt_sources[0].source.split(":")[0]
analysis_params["entity_name"] = hostname
crt_analyzer = CertificateAnalyzer(**analysis_params)
analysis = crt_analyzer.analyze(crt_sources, parent_ca_cert)
elif self._args.in_format == "json":
analysis = self._read_json()
else:
raise NotImplementedError(self._args.in_format)
output = self._args.output or "-"
with FileWriter(output, "w") as f:
self._show_analysis(f, analysis)
def __init__(self, cmdname, args):
BaseAction.__init__(self, cmdname, args)
if (not self._args.force) and os.path.exists(self._args.outfile):
raise UnfulfilledPrerequisitesException(
"File/directory %s already exists. Remove it first or use --force."
% (self._args.outfile))
if not self._args.gcd_n_phi_n:
self._primetype = "2msb"
self._p_bitlen = self._args.bitlen // 2
self._q_bitlen = self._args.bitlen - self._p_bitlen
else:
self._primetype = "3msb"
self._p_bitlen = self._args.bitlen // 3
self._q_bitlen = self._args.bitlen - (2 * self._p_bitlen) - 1
if (self._args.close_q) and (self._p_bitlen != self._q_bitlen):
raise UnfulfilledPrerequisitesException(
"Generating a close-q keypair with a %d modulus does't work, because p would have to be %d bit and q %d bit. Choose an even modulus bitlength."
% (self._args.bitlen, self._p_bitlen, self._q_bitlen))
if self._args.q_stepping < 1:
raise InvalidInputException(
"q-stepping value must be greater or equal to 1, was %d." %
(self._args.q_stepping))
self._log.debug("Selecting %s primes with p = %d bit and q = %d bit.",
self._primetype, self._p_bitlen, self._q_bitlen)
self._prime_db = PrimeDB(self._args.prime_db,
generator_program=self._args.generator)
p = None
q = None
while True:
if p is None:
p = self._prime_db.get(bitlen=self._p_bitlen,
primetype=self._primetype)
q_generator = self._select_q(p)
if q is None:
q = next(q_generator)
if self._args.gcd_n_phi_n:
# q = (2 * r * p) + 1
r = q
q = 2 * r * p + 1
if not NumberTheory.is_probable_prime(q):
q = None
continue
# Always make p the smaller factor
if p > q:
(p, q) = (q, p)
n = p * q
if self._args.public_exponent == -1:
e = random.randint(2, n - 1)
else:
e = self._args.public_exponent
if self._args.carmichael_totient:
totient = NumberTheory.lcm(p - 1, q - 1)
else:
totient = (p - 1) * (q - 1)
gcd = NumberTheory.gcd(totient, e)
if self._args.accept_unusable_key or (gcd == 1):
break
else:
# Pair (phi(n), e) wasn't acceptable.
self._log.debug("gcd(totient, e) was %d, retrying.", gcd)
if self._args.public_exponent != -1:
# Public exponent e is fixed, need to choose another q.
if p.bit_length() == q.bit_length():
# Can re-use q as next p
(p, q) = (q, None)
q_generator = self._select_q(p)
else:
# When they differ in length, need to re-choose both values
(p, q) = (None, None)
rsa_keypair = RSAPrivateKey.create(
p=p,
q=q,
e=e,
swap_e_d=self._args.switch_e_d,
valid_only=not self._args.accept_unusable_key,
carmichael_totient=self._args.carmichael_totient)
rsa_keypair.write_pemfile(self._args.outfile)
if self._args.verbose >= 1:
diff = q - p
print("Generated %d bit RSA key:" % (rsa_keypair.n.bit_length()))
print("p = 0x%x" % (rsa_keypair.p))
if not self._args.gcd_n_phi_n:
print("q = 0x%x" % (rsa_keypair.q))
else:
print("q = 2 * r * p + 1 = 0x%x" % (rsa_keypair.q))
print("r = 0x%x" % (r))
print("phi(n) = 0x%x" % (rsa_keypair.phi_n))
print("lambda(n) = 0x%x" % (rsa_keypair.lambda_n))
print("phi(n) / lambda(n) = gcd(p - 1, q - 1) = %d" %
(rsa_keypair.phi_n // rsa_keypair.lambda_n))
gcd_n_phin = NumberTheory.gcd(rsa_keypair.n, rsa_keypair.phi_n)
if gcd_n_phin == rsa_keypair.p:
print("gcd(n, phi(n)) = p")
else:
print("gcd(n, phi(n)) = 0x%x" % (gcd_n_phin))
if self._args.close_q:
print("q - p = %d (%d bit)" % (diff, diff.bit_length()))
print("n = 0x%x" % (rsa_keypair.n))
print("d = 0x%x" % (rsa_keypair.d))
print("e = 0x%x" % (rsa_keypair.e))
def __init__(self, cmdname, args):
BaseAction.__init__(self, cmdname, args)
if self._args.public_key:
key = PublicKey.read_pemfile(self._args.key_filename)[0]
if key.pk_alg.value.cryptosystem == Cryptosystems.RSA:
print("# %d bit RSA public key (ID %s)" %
(key.n.bit_length(), key.keyid().hex()))
print("n = 0x%x" % (key.n))
print("e = 0x%x" % (key.e))
elif key.pk_alg.value.cryptosystem == Cryptosystems.ECC_ECDSA:
print("# ECC public key on %s (key ID %s)" %
(key.curve.name, key.keyid().hex()))
print("curve_name = \"%s\"" % (key.curve.name))
print("(x, y) = (0x%x, 0x%x)" % (key.x, key.y))
elif key.pk_alg.value.cryptosystem == Cryptosystems.ECC_EdDSA:
print(
"# ECC public key on Twisted Edwards curve %s %s prehashing (key ID %s)"
% (key.curve.name, "with" if key.prehash else "without",
key.keyid().hex()))
print("curve_name = \"%s\"" % (key.curve.name))
print("prehash = %s" % (key.prehash))
print("(x, y) = (0x%x, 0x%x)" % (key.x, key.y))
else:
raise NotImplementedError(key.pk_alg.value.cryptosystem)
else:
if self._args.key_type == "rsa":
key = RSAPrivateKey.read_pemfile(self._args.key_filename)[0]
print("# %d bit RSA private key (ID %s)" %
(key.n.bit_length(), key.pubkey.keyid().hex()))
print("p = 0x%x" % (key.p))
print("q = 0x%x" % (key.q))
print("n = p * q")
print("e = 0x%x" % (key.e))
print("d = 0x%x" % (key.d))
elif self._args.key_type == "ecc":
key = ECPrivateKey.read_pemfile(self._args.key_filename)[0]
print("# ECC private key on %s (key ID %s)" %
(key.curve.name, key.pubkey.keyid().hex()))
print("curve_name = \"%s\"" % (key.curve.name))
print("d = 0x%x" % (key.d))
print("(x, y) = (0x%x, 0x%x)" % (key.x, key.y))
elif self._args.key_type == "eddsa":
key = EDPrivateKey.read_pemfile(self._args.key_filename)[0]
pubkey = key.pubkey
print(
"# ECC private key on Twisted Edwards curve %s %s prehashing (key ID %s)"
% (key.curve.name, "with" if key.prehash else "without",
pubkey.keyid().hex()))
print("curve_name = \"%s\"" % (key.curve.name))
print("prehash = %s" % (key.prehash))
print("priv = bytes.fromhex(\"%s\")" % (key.priv.hex()))
print("hashfnc = hashlib.new(\"%s\")" %
(key.curve.expand_hashfnc))
print(
"(expand_bitwise_and, expand_bitwise_or) = (0x%x, 0x%x)" %
(key.curve.expand_bitwise_and,
key.curve.expand_bitwise_or))
print("a = 0x%x" % (key.scalar))
print("(x, y) = (0x%x, 0x%x)" % (pubkey.x, pubkey.y))
else:
raise NotImplementedError(self._args.key_type)
def __init__(self, cmdname, args):
BaseAction.__init__(self, cmdname, args)
if (self._args.private_key
is not None) and (self._args.outform != "pkcs12"):
raise InvalidUsageException(
"A private key will only be exported with a PKCS#12 output file."
)
if self._args.outform != "pkcs12":
if self._args.pkcs12_legacy_crypto:
raise InvalidUsageException(
"Specifying PKCS#12 legacy crypto while not using PKCS#12 output format has no effect."
)
if self._args.pkcs12_no_passphrase:
raise InvalidUsageException(
"Specifying no PKCS#12 passphrase while not using PKCS#12 output format has no effect."
)
if self._args.pkcs12_passphrase_file is not None:
raise InvalidUsageException(
"Specifying a PKCS#12 passphrase while not using PKCS#12 output format has no effect."
)
else:
if (self._args.pkcs12_legacy_crypto
or self._args.pkcs12_no_passphrase
or self._args.pkcs12_passphrase_file
is not None) and (self._args.private_key is None):
raise InvalidUsageException(
"Specifying any PKCS#12 passphrase/crypto options when not including a private key makes no sense."
)
self._pool = CertificatePool()
self._load_truststore()
if self._args.inform == "pem":
certs = X509Certificate.read_pemfile(self._args.crtfile)
if not self._args.dont_trust_crtfile:
self._pool.add_certificates(certs)
cert = certs[0]
elif self._args.inform == "der":
cert = X509Certificate.read_derfile(self._args.crtfile)
else:
raise NotImplementedError("inform", self._args.inform)
chain = self._pool.find_chain(cert)
if (chain.root is None) and (not self._args.allow_partial_chain):
raise InvalidUsageException(
"Could not build full chain for certificate %s and partial chain matches are disallowed."
% (self._args.crtfile))
if self._args.outform == "rootonly":
if chain.root is None:
print("Root certificate output requested, but none found.",
file=sys.stderr)
sys.exit(1)
certs = [chain.root]
elif self._args.outform == "intermediates":
certs = list(chain.chain)
elif self._args.outform in ["fullchain", "multifile", "pkcs12"]:
certs = list(chain.full_chain)
elif self._args.outform == "all-except-root":
certs = list(chain.full_chain)
if chain.root is not None:
certs = certs[:-1]
else:
raise NotImplementedError("outform", self._args.outform)
if not self._args.order_leaf_to_root:
certs = certs[::-1]
for (cid, cert) in enumerate(certs):
self._log.debug("Cert %d: %s", cid, cert)
if self._args.outform == "multifile":
for (cid, cert) in enumerate(certs):
filename = self._args.outfile % (cid)
with open(filename, "w") as f:
print(cert.to_pem_data(), file=f)
elif self._args.outform == "pkcs12":
if self._args.private_key is not None:
if self._args.pkcs12_no_passphrase:
passphrase = None
else:
if self._args.pkcs12_passphrase_file is not None:
with open(self._args.pkcs12_passphrase_file) as f:
passphrase = f.readline()
else:
passphrase = PassphraseGenerator.non_ambiguous(
).gen_passphrase(80)
print("Passphrase: %s" % (passphrase), file=sys.stderr)
else:
passphrase = None
private_key_storage = PrivateKeyStorage(
PrivateKeyStorageForm.PEM_FILE,
filename=self._args.private_key) if (self._args.private_key
is not None) else None
pkcs12 = OpenSSLTools.create_pkcs12(
certificates=certs,
private_key_storage=private_key_storage,
modern_crypto=not self._args.pkcs12_legacy_crypto,
passphrase=passphrase)
if self._args.outfile is None:
# Write to stdout
sys.stdout.buffer.write(pkcs12)
else:
# Write to file, binary
with open(self._args.outfile, "wb") as f:
f.write(pkcs12)
else:
if self._args.outfile is not None:
with open(self._args.outfile, "w") as f:
self._print_certs(f, certs)
else:
self._print_certs(sys.stdout, certs)
def __init__(self, cmdname, args):
BaseAction.__init__(self, cmdname, args)
if self._args.force:
try:
os.unlink(self._args.capath)
except (IsADirectoryError, FileNotFoundError):
pass
try:
shutil.rmtree(self._args.capath)
except FileNotFoundError:
pass
else:
if os.path.exists(self._args.capath):
raise UnfulfilledPrerequisitesException(
"File/directory %s already exists. Remove it first or use --force."
% (self._args.capath))
os.makedirs(self._args.capath)
os.chmod(self._args.capath, 0o700)
camgr = CAManager(self._args.capath)
custom_x509_extensions = {
custom_x509_extension.key: custom_x509_extension.value
for custom_x509_extension in self._args.extension
}
if (self._args.gen_keyspec
is not None) or ((self._args.gen_keyspec is None) and
(self._args.hardware_key is None)):
# We need to generate a key.
if self._args.gen_keyspec is not None:
keyspec = self._args.gen_keyspec
else:
# Cannot default to this in argparse because it's part of a
# mutually exclusive group with hardware_key
keyspec = KeySpecification.from_cmdline_str("ecc:secp384r1")
private_key_storage = PrivateKeyStorage(
PrivateKeyStorageForm.PEM_FILE,
filename="CA.key",
search_path=camgr.capath)
OpenSSLTools.create_private_key(private_key_storage,
keyspec=keyspec)
else:
# The key is stored in hardware.
private_key_storage = PrivateKeyStorage(
PrivateKeyStorageForm.HARDWARE_TOKEN,
pkcs11uri=self._args.hardware_key,
so_search_path=self._args.pkcs11_so_search,
module_so=self._args.pkcs11_module)
signing_hash = self._args.hashfnc
if private_key_storage.is_file_based:
privkey = private_key_storage.load_private_key()
if isinstance(privkey, EDPrivateKey):
# We cannot specify a hash function for EdDSA because this
# causes OpenSSL to fail with "elliptic curve
# routines:pkey_ecd_ctrl:invalid digest type" -- for EdDSA, the
# hash algorithms are implied
signing_hash = None
camgr.create_ca_structure(
private_key_storage=private_key_storage,
unique_subject=not self._args.allow_duplicate_subjects)
if self._args.parent_ca is None:
# Self-signed root CA
camgr.create_selfsigned_ca_cert(
subject_dn=self._args.subject_dn,
validity_days=self._args.validity_days,
custom_x509_extensions=custom_x509_extensions,
signing_hash=signing_hash,
serial=self._args.serial)
# Create certificate chain file that only consists of our
# self-signed certificate
shutil.copy(self._args.capath + "/CA.crt",
self._args.capath + "/chain.crt")
else:
# Intermediate CA
if self._args.serial is not None:
raise InvalidUsageException(
"Can only specify certificate serial number when creating self-signed root CA certificate."
)
with tempfile.NamedTemporaryFile("w", prefix="ca_",
suffix=".csr") as csr:
camgr.create_ca_csr(csr_filename=csr.name,
subject_dn=self._args.subject_dn)
parent_ca = CAManager(self._args.parent_ca)
parent_ca.sign_csr(
csr.name,
camgr.root_crt_filename,
subject_dn=self._args.subject_dn,
validity_days=self._args.validity_days,
custom_x509_extensions=custom_x509_extensions,
extension_template="ca",
signing_hash=signing_hash)
# Create a certificate chain by appending the parent chain to our certificate
if os.path.isfile(self._args.parent_ca + "/chain.crt"):
with open(self._args.parent_ca +
"/chain.crt") as parent_chainfile:
parent_chain = parent_chainfile.read()
with open(self._args.capath +
"/CA.crt") as new_certificate_file:
new_certificate = new_certificate_file.read()
with open(self._args.capath + "/chain.crt",
"w") as intermediate_chainfile:
intermediate_chainfile.write(parent_chain)
intermediate_chainfile.write(new_certificate)
def __init__(self, cmdname, args):
BaseAction.__init__(self, cmdname, args)
camgr = CAManager(self._args.capath)
camgr.revoke_crt(self._args.crt_filename)
