Add intermediary tests

- primitive serialisation (BN_bn2bin and ctypes) used in intermediary tests
python3android
Peter Šurda 3 years ago
parent b934c4e01e
commit 395fbcd0f0
Signed by untrusted user: PeterSurda
GPG Key ID: 0C5F50C0B5F37D87
  1. 17
      src/tests/test_blindsig.py

@ -3,8 +3,10 @@ Test for ECC blind signatures
"""
import os
import unittest
from ctypes import cast, c_char_p
from pybitmessage.pyelliptic.eccblind import ECCBlind
from pybitmessage.pyelliptic.openssl import OpenSSL
class TestBlindSig(unittest.TestCase):
@ -24,12 +26,27 @@ class TestBlindSig(unittest.TestCase):
msg = os.urandom(64)
msg_blinded = requester_obj.create_signing_request(point_r, msg)
# check
msg_blinded_str = OpenSSL.malloc(0, OpenSSL.BN_num_bytes(msg_blinded))
OpenSSL.BN_bn2bin(msg_blinded, msg_blinded_str)
self.assertNotEqual(msg, cast(msg_blinded_str, c_char_p).value)
# (3) Signature Generation
signature_blinded = signer_obj.blind_sign(msg_blinded)
# (4) Extraction
signature = requester_obj.unblind(signature_blinded)
# check
signature_blinded_str = OpenSSL.malloc(0,
OpenSSL.BN_num_bytes(
signature_blinded))
signature_str = OpenSSL.malloc(0, OpenSSL.BN_num_bytes(signature[0]))
OpenSSL.BN_bn2bin(signature_blinded, signature_blinded_str)
OpenSSL.BN_bn2bin(signature[0], signature_str)
self.assertNotEqual(cast(signature_str, c_char_p).value,
cast(signature_blinded_str, c_char_p).value)
# (5) Verification
verifier_obj = ECCBlind(pubkey=signer_obj.pubkey)
self.assertTrue(verifier_obj.verify(msg, signature))

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