#!/usr/bin/python """Unit tests for M2Crypto.EC, ECDSA part. Copyright (c) 2000 Ng Pheng Siong. All rights reserved. Portions copyright (c) 2005-2006 Vrije Universiteit Amsterdam. All rights reserved. """ import unittest import sha from M2Crypto import EC, BIO, Rand, m2 class ECDSATestCase(unittest.TestCase): errkey = 'tests/rsa.priv.pem' privkey = 'tests/ec.priv.pem' pubkey = 'tests/ec.pub.pem' data = sha.sha('Can you spell subliminal channel?').digest() def callback(self, *args): pass def callback2(self): pass def test_loadkey_junk(self): self.assertRaises(ValueError, EC.load_key, self.errkey) def test_loadkey(self): ec = EC.load_key(self.privkey) assert len(ec) == 233 def test_loadpubkey(self): # XXX more work needed ec = EC.load_pub_key(self.pubkey) assert len(ec) == 233 self.assertRaises(EC.ECError, EC.load_pub_key, self.errkey) def _test_sign_dsa(self): ec = EC.gen_params(EC.NID_sect233k1) # ec.gen_key() self.assertRaises(EC.ECError, ec.sign_dsa, self.data) ec = EC.load_key(self.privkey) r, s = ec.sign_dsa(self.data) assert ec.verify_dsa(self.data, r, s) assert not ec.verify_dsa(self.data, s, r) def test_sign_dsa_asn1(self): ec = EC.load_key(self.privkey) blob = ec.sign_dsa_asn1(self.data) assert ec.verify_dsa_asn1(self.data, blob) self.assertRaises(EC.ECError, ec.verify_dsa_asn1, blob, self.data) def test_verify_dsa(self): ec = EC.load_key(self.privkey) r, s = ec.sign_dsa(self.data) ec2 = EC.load_pub_key(self.pubkey) assert ec2.verify_dsa(self.data, r, s) assert not ec2.verify_dsa(self.data, s, r) def test_genparam(self): ec = EC.gen_params(EC.NID_sect233k1) assert len(ec) == 233 def suite(): return unittest.makeSuite(ECDSATestCase) if __name__ == '__main__': Rand.load_file('randpool.dat', -1) unittest.TextTestRunner().run(suite()) Rand.save_file('randpool.dat')