def to_jwk(self, include_private=False):
jwk = JsonWebKey(kid=self.kid,
kty=self.kty,
key_ops=self.key_ops if include_private else
_RsaKey.PUBLIC_KEY_DEFAULT_OPS,
n=self.n,
e=self.e)
if include_private:
jwk.q = self.q
jwk.p = self.p
jwk.d = self.d
jwk.dq = self.dq
jwk.dp = self.dp
jwk.qi = self.qi
return jwk
def to_jwk(self, include_private=False):
jwk = JsonWebKey(kid=self.kid,
kty=self.kty,
key_ops=self.key_ops if include_private else _RsaKey.PUBLIC_KEY_DEFAULT_OPS,
n=self.n,
e=self.e)
if include_private:
jwk.q = self.q
jwk.p = self.p
jwk.d = self.d
jwk.dq = self.dq
jwk.dp = self.dp
jwk.qi = self.qi
return jwk
def _import_test_key(self, vault, key_id, import_to_hardware=False):
def _to_bytes(hex):
if len(hex) % 2:
hex = '0{}'.format(hex)
return codecs.decode(hex, 'hex_codec')
key = JsonWebKey(
kty='RSA',
key_ops=[
'encrypt', 'decrypt', 'sign', 'verify', 'wrapKey', 'unwrapKey'
],
n=_to_bytes(
'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'
),
e=_to_bytes('10001'),
d=_to_bytes(
'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'
),
p=_to_bytes(
'00d1deac8d68ddd2c1fd52d5999655b2cf1565260de5269e43fd2a85f39280e1708ffff0682166cb6106ee5ea5e9ffd9f98d0becc9ff2cda2febc97259215ad84b9051e563e14a051dce438bc6541a24ac4f014cf9732d36ebfc1e61a00d82cbe412090f7793cfbd4b7605be133dfc3991f7e1bed5786f337de5036fc1e2df4cf3'
),
q=_to_bytes(
'00c3dc66b641a9b73cd833bc439cd34fc6574465ab5b7e8a92d32595a224d56d911e74624225b48c15a670282a51c40d1dad4bc2e9a3c8dab0c76f10052dfb053bc6ed42c65288a8e8bace7a8881184323f94d7db17ea6dfba651218f931a93b8f738f3d8fd3f6ba218d35b96861a0f584b0ab88ddcf446b9815f4d287d83a3237'
),
dp=_to_bytes(
'00c9a159be7265cbbabc9afcc4967eb74fe58a4c4945431902d1142da599b760e03838f8cbd26b64324fea6bdc9338503f459793636e59b5361d1e6951e08ddb089e1b507be952a81fbeaf7e76890ea4f536e25505c3f648b1e88377dfc19b4c304e738dfca07211b792286a392a704d0f444c0a802539110b7f1f121c00cff0a9'
),
dq=_to_bytes(
'00a0bd4c0a3d9f64436a082374b5caf2488bac1568696153a6a5e4cd85d186db31e2f58f024c617d29f37b4e6b54c97a1e25efec59c4d1fd3061ac33509ce8cae5c11f4cd2e83f41a8264f785e78dc0996076ee23dfdfc43d67c463afaa0180c4a718357f9a6f270d542479a0f213870e661fb950abca4a14ca290570ba7983347'
),
qi=_to_bytes(
'009fe7ae42e92bc04fcd5780464bd21d0c8ac0c599f9af020fde6ab0a7e7d1d39902f5d8fb6c614184c4c1b103fb46e94cd10a6c8a40f9991a1f28269f326435b6c50276fda6493353c650a833f724d80c7d522ba16c79f0eb61f672736b68fb8be3243d10943c4ab7028d09e76cfb5892222e38bc4d35585bf35a88cd68c73b07'
))
imported_key = self.client.import_key(key_id.vault, key_id.name, key,
import_to_hardware)
self._validate_rsa_key_bundle(
imported_key, vault.properties.vault_uri, key_id.name,
'RSA-HSM' if import_to_hardware else 'RSA', key.key_ops)
return imported_key
def import_key(self, key_name, destination=None, key_ops=None, disabled=False, expires=None,
not_before=None, tags=None, pem_file=None, pem_password=None, byok_file=None):
""" Import a private key. Supports importing base64 encoded private keys from PEM files.
Supports importing BYOK keys into HSM for premium KeyVaults. """
def _to_bytes(hex_string):
# zero pads and decodes a hex string
if len(hex_string) % 2:
hex_string = '{0}'.format(hex_string)
return codecs.decode(hex_string, 'hex_codec')
def _set_rsa_parameters(dest, src):
# map OpenSSL parameter names to JsonWebKey property names
conversion_dict = {
'modulus': 'n',
'publicExponent': 'e',
'privateExponent': 'd',
'prime1': 'p',
'prime2': 'q',
'exponent1': 'dp',
'exponent2': 'dq',
'coefficient': 'qi'
}
# regex: looks for matches that fit the following patterns:
# integerPattern: 65537 (0x10001)
# hexPattern:
# 00:a0:91:4d:00:23:4a:c6:83:b2:1b:4c:15:d5:be:
# d8:87:bd:c9:59:c2:e5:7a:f5:4a:e7:34:e8:f0:07:
# The desired match should always be the first component of the match
regex = re.compile(r'([^:\s]*(:[^\:)]+\))|([^:\s]*(:\s*[0-9A-Fa-f]{2})+))')
# regex2: extracts the hex string from a format like: 65537 (0x10001)
regex2 = re.compile(r'(?<=\(0x{1})([0-9A-Fa-f]*)(?=\))')
key_params = crypto.dump_privatekey(crypto.FILETYPE_TEXT, src).decode('utf-8')
for match in regex.findall(key_params):
comps = match[0].split(':', 1)
name = conversion_dict.get(comps[0], None)
if name:
value = comps[1].replace(' ', '').replace('\n', '').replace(':', '')
try:
value = _to_bytes(value)
except Exception: # pylint:disable=broad-except
# if decoding fails it is because of an integer pattern. Extract the hex
# string and retry
value = _to_bytes(regex2.findall(value)[0])
setattr(dest, name, value)
key_attrs = KeyAttributes(not disabled, not_before, expires)
key_obj = JsonWebKey(key_ops=key_ops)
if pem_file:
key_obj.kty = 'RSA'
with open(pem_file, 'r') as f:
pem_data = f.read()
# load private key and prompt for password if encrypted
try:
pem_password = str(pem_password).encode() if pem_password else None
# despite documentation saying password should be a string, it needs to actually
# be UTF-8 encoded bytes
pkey = crypto.load_privatekey(crypto.FILETYPE_PEM, pem_data, pem_password)
except crypto.Error:
pass # wrong password
except TypeError:
pass # no pass provided
_set_rsa_parameters(key_obj, pkey)
elif byok_file:
with open(byok_file, 'rb') as f:
byok_data = f.read()
key_obj.kty = 'RSA-HSM'
key_obj.t = byok_data
return self.client.import_key(
self.keyvault_uri, key_name, key_obj, destination == 'hsm', key_attrs, tags)
def from_jwk_str(s):
jwk_dict = json.loads(s)
jwk = JsonWebKey.from_dict(jwk_dict)
return _RsaKey.from_jwk(jwk)
def import_key(self, key_name, destination=None, key_ops=None, disabled=False, expires=None,
not_before=None, tags=None, pem_file=None, pem_password=None, byok_file=None):
""" Import a private key. Supports importing base64 encoded private keys from PEM files.
Supports importing BYOK keys into HSM for premium KeyVaults. """
def _to_bytes(hex_string):
# zero pads and decodes a hex string
if len(hex_string) % 2:
hex_string = '{0}'.format(hex_string)
return codecs.decode(hex_string, 'hex_codec')
def _set_rsa_parameters(dest, src):
# map OpenSSL parameter names to JsonWebKey property names
conversion_dict = {
'modulus': 'n',
'publicExponent': 'e',
'privateExponent': 'd',
'prime1': 'p',
'prime2': 'q',
'exponent1': 'dp',
'exponent2': 'dq',
'coefficient': 'qi'
}
# regex: looks for matches that fit the following patterns:
# integerPattern: 65537 (0x10001)
# hexPattern:
# 00:a0:91:4d:00:23:4a:c6:83:b2:1b:4c:15:d5:be:
# d8:87:bd:c9:59:c2:e5:7a:f5:4a:e7:34:e8:f0:07:
# The desired match should always be the first component of the match
regex = re.compile(r'([^:\s]*(:[^\:)]+\))|([^:\s]*(:\s*[0-9A-Fa-f]{2})+))')
# regex2: extracts the hex string from a format like: 65537 (0x10001)
regex2 = re.compile(r'(?<=\(0x{1})([0-9A-Fa-f]*)(?=\))')
key_params = crypto.dump_privatekey(crypto.FILETYPE_TEXT, src).decode('utf-8')
for match in regex.findall(key_params):
comps = match[0].split(':', 1)
name = conversion_dict.get(comps[0], None)
if name:
value = comps[1].replace(' ', '').replace('\n', '').replace(':', '')
try:
value = _to_bytes(value)
except Exception: # pylint:disable=broad-except
# if decoding fails it is because of an integer pattern. Extract the hex
# string and retry
value = _to_bytes(regex2.findall(value)[0])
setattr(dest, name, value)
key_attrs = KeyAttributes(not disabled, not_before, expires)
key_obj = JsonWebKey(key_ops=key_ops)
if pem_file:
key_obj.kty = 'RSA'
with open(pem_file, 'r') as f:
pem_data = f.read()
# load private key and prompt for password if encrypted
try:
pem_password = str(pem_password).encode() if pem_password else None
# despite documentation saying password should be a string, it needs to actually
# be UTF-8 encoded bytes
pkey = crypto.load_privatekey(crypto.FILETYPE_PEM, pem_data, pem_password)
except crypto.Error:
pass # wrong password
except TypeError:
pass # no pass provided
_set_rsa_parameters(key_obj, pkey)
elif byok_file:
with open(byok_file, 'rb') as f:
byok_data = f.read()
key_obj.kty = 'RSA-HSM'
key_obj.t = byok_data
return self.client.import_key(
self.keyvault_uri, key_name, key_obj, destination == 'hsm', key_attrs, tags)
def from_jwk_str(s):
jwk_dict = json.loads(s)
jwk = JsonWebKey.from_dict(jwk_dict)
return _RsaKey.from_jwk(jwk)
