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epicyon
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pkcs version

main
Bob Mottram 2020-06-15 13:52:46 +01:00
parent 8245c35f46
commit e5200139db
1 changed files with 6 additions and 6 deletions
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12
jsonldsig.py
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@ -16,7 +16,7 @@ import pytz
try:
from Cryptodome.PublicKey import RSA
from Cryptodome.Hash import SHA256
from Cryptodome.Signature import pkcs1_15 as PKCS1_v1_5
from Cryptodome.Signature import pkcs1_5 as PKCS1_v1_5
except ImportError:
from Crypto.PublicKey import RSA
from Crypto.Hash import SHA256
@ -57,11 +57,11 @@ def signRs256(payload, private_key):
return signature
def verifyRs256(payload, signature, public_key):
def verifyRs256(payload, signature, publicKeyPem):
"""
Verifies a RS256 signature
"""
key = RSA.importKey(public_key)
key = RSA.importKey(publicKeyPem)
verifier = PKCS1_v1_5.new(key)
return verifier.verify(SHA256.new(payload), signature)
@ -85,12 +85,12 @@ def signJws(payload, private_key):
return jwsSignature
def verifyJws(payload, jws_signature, public_key):
def verifyJws(payload, jwsSignature, publicKeyPem: str):
# remove the encoded header from the signature
encodedHeader, encodedSignature = jws_signature.split(b'..')
encodedHeader, encodedSignature = jwsSignature.split(b'..')
signature = b64safeDecode(encodedSignature)
payload = b'.'.join([encodedHeader, payload])
return verifyRs256(payload, signature, public_key)
return verifyRs256(payload, signature, publicKeyPem)
def jsonldNormalize(jldDocument: str):