1 from ctypescrypto.oid import Oid
2 from ctypescrypto.ec import create
3 from base64 import b16decode
4 from subprocess import Popen, PIPE
8 """ Convert key into printable form using openssl utility
9 Used to compare keys which can be stored in different
10 format by different OpenSSL versions
12 return Popen(["openssl","pkey","-text","-noout"],stdin=PIPE,stdout=PIPE).communicate(key)[0]
14 def dump_pub_key(key):
15 """ Convert key into printable form using openssl utility
16 Used to compare keys which can be stored in different
17 format by different OpenSSL versions
19 return Popen(["openssl","pkey","-text_pub","-noout"],stdin=PIPE,stdout=PIPE).communicate(key)[0]
20 class TestEcCreation(unittest.TestCase):
21 ec1priv="""-----BEGIN PRIVATE KEY-----
22 MIGEAgEAMBAGByqGSM49AgEGBSuBBAAKBG0wawIBAQQgKnG6neqZvB98EEuuxnHs
23 fv+L/5abuNNG20wzUqRpncOhRANCAARWKXWeUZ6WiCKZ2kHx87jmJyx0G3ZB1iQC
24 +Gp2AJYswbQPhGPigKolzIbZYfwnn7QOca6N8QDhPAn3QQK8trZI
25 -----END PRIVATE KEY-----
27 bigkey="""-----BEGIN PRIVATE KEY-----
28 MIGEAgEAMBAGByqGSM49AgEGBSuBBAAKBG0wawIBAQQgAAAAAAAAAAAAAAAAAAAA
29 AUVRIxlQt1/EQC2hcy/Jvr6hRANCAASRZsKJufkF5V+ePfn2nX81a0oiCV+JT0cV
30 cUqktWYGr/GB65Zr5Ky1z/nha2bYCb6U4hTwbJP9CRCZr5hJklXn
31 -----END PRIVATE KEY-----
33 def test_keyone(self):
34 key=create(Oid("secp256k1"),b16decode("2A71BA9DEA99BC1F7C104BAEC671EC7EFF8BFF969BB8D346DB4C3352A4699DC3",True))
37 self.assertEqual(dump_key(out),dump_key(self.ec1priv))
38 self.assertEqual(str(key),dump_pub_key(self.ec1priv))
40 def test_bignum(self):
42 key=create(Oid("secp256k1"),keyval)
43 self.assertEqual(dump_key(key.exportpriv()),dump_key(self.bigkey))
44 self.assertEqual(str(key),dump_pub_key(self.bigkey))
45 if __name__ == "__main__":