def do_verify(message, signature, keyname='pub.der'): key = RSA.importKey(open(keyname).read()) h = SHA.new() h.update(message) print "digest: %s" % binascii.hexlify(h.digest()) if PKCS1_v1_5.verify(h, key, signature): return True else: return False
def verify(self, msg, crypto, key):
"""
Verifies a message using RSA cryptographic signature and key.
``crypto`` is the cryptographic signature
``key`` is the verifying key. Can be a real key object or a string.
"""
import Crypto.Signature.PKCS1_v1_5 as PKCS
import Crypto.Hash.SHA256 as SHA256
import Crypto.PublicKey.RSA as RSA
hashm = SHA256.new()
hashm.update(msg)
private_key = key
if not isinstance(key, RSA._RSAobj):
private_key = RSA.importKey(key)
if not PKCS.verify(hashm, private_key, crypto):
raise SignatureError("Could not validate signature")
return True
def do_verify_hash(h, signature, keyname='pub.der'): key = RSA.importKey(open(keyname).read()) if PKCS1_v1_5.verify(h, key, signature): return True else: return False
