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Move away from deprecated methods #85

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Merged
merged 1 commit into from
May 4, 2018
Merged

Move away from deprecated methods #85

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22 changes: 9 additions & 13 deletions jose/backends/cryptography_backend.py
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Original file line number Diff line number Diff line change
Expand Up @@ -101,10 +101,8 @@ def sign(self, msg):
def verify(self, msg, sig):
order = (2 ** self.prepared_key.curve.key_size) - 1
signature = sigencode_der(*sigdecode_string(sig, order), order=order)
verifier = self.prepared_key.verifier(signature, ec.ECDSA(self.hash_alg()))
verifier.update(msg)
try:
verifier.verify()
self.prepared_key.verify(signature, msg, ec.ECDSA(self.hash_alg()))
return True
except:
return False
Expand Down Expand Up @@ -251,25 +249,23 @@ def _process_jwk(self, jwk_dict):

def sign(self, msg):
try:
signer = self.prepared_key.signer(
signature = self.prepared_key.sign(
msg,
padding.PKCS1v15(),
self.hash_alg()
)
signer.update(msg)
signature = signer.finalize()
except Exception as e:
raise JWKError(e)
return signature

def verify(self, msg, sig):
verifier = self.prepared_key.verifier(
sig,
padding.PKCS1v15(),
self.hash_alg()
)
verifier.update(msg)
try:
verifier.verify()
self.prepared_key.verify(
sig,
msg,
padding.PKCS1v15(),
self.hash_alg()
)
return True
except InvalidSignature:
return False
Expand Down