def test_normal_signing(self):
# test the normal order of operations: Keypair will initialize secp256r1 Elliptic curve parameters
message = binascii.hexlify(b'Hello World')
key = KeyPair(
bytes.fromhex(
'8631cd2635c416ba5f043561e9d2ff40b79c3bb2eb245e176615298b8372d0a4'
))
signature = Crypto.Sign(
message,
'8631cd2635c416ba5f043561e9d2ff40b79c3bb2eb245e176615298b8372d0a4')
self.assertTrue(
Crypto.VerifySignature(message, signature, key.PublicKey))
TestSigningWithoutCryptoInstance.sig1 = signature.hex()
def test_sign_before_KeyPair(self):
# test signing prior to initializing secp256r1 Elliptic curve parameters with Keypair
message = binascii.hexlify(b'Hello World')
signature = Crypto.Sign(
message,
'8631cd2635c416ba5f043561e9d2ff40b79c3bb2eb245e176615298b8372d0a4')
key = KeyPair(
bytes.fromhex(
'8631cd2635c416ba5f043561e9d2ff40b79c3bb2eb245e176615298b8372d0a4'
))
self.assertTrue(
Crypto.VerifySignature(message, signature, key.PublicKey))
TestSigningWithoutCryptoInstance.sig2 = signature.hex()
# ensure the signatures are identical
self.assertEqual(TestSigningWithoutCryptoInstance.sig1,
TestSigningWithoutCryptoInstance.sig2)
def test_sign_and_verify_str(self):
privkey = KeyPair.PrivateKeyFromWIF(
"L44B5gGEpqEDRS9vVPz7QT35jcBG2r3CZwSwQ4fCewXAhAhqGVpP")
keypair = KeyPair(privkey)
hashdata = "74657374"
keypair_signature = Crypto.Sign(hashdata, bytes(keypair.PrivateKey))
keypair_signature2 = Crypto.Default().Sign(hashdata,
bytes(keypair.PrivateKey))
self.assertEqual(keypair_signature, keypair_signature2)
# verify without unhexing
verification_result = Crypto.VerifySignature("test",
keypair_signature,
keypair.PublicKey,
unhex=False)
verification_result2 = Crypto.Default().VerifySignature(
"test", keypair_signature, keypair.PublicKey, unhex=False)
self.assertEqual(verification_result, verification_result2)
self.assertTrue(verification_result)
