Files
lightning/libwally-core/src/test/test_aes.py
2017-02-21 15:15:28 +10:30

98 lines
4.0 KiB
Python
Executable File

import unittest
from util import *
cases = [
# AES test vectors from FIPS 197.
[ 128, "000102030405060708090a0b0c0d0e0f",
"00112233445566778899aabbccddeeff",
"69c4e0d86a7b0430d8cdb78070b4c55a" ],
[ 192, "000102030405060708090a0b0c0d0e0f1011121314151617",
"00112233445566778899aabbccddeeff",
"dda97ca4864cdfe06eaf70a0ec0d7191" ],
[ 256, "000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f",
"00112233445566778899aabbccddeeff",
"8ea2b7ca516745bfeafc49904b496089" ],
# AES-ECB test vectors from NIST sp800-38a.
[ 128, "2b7e151628aed2a6abf7158809cf4f3c",
"6bc1bee22e409f96e93d7e117393172a",
"3ad77bb40d7a3660a89ecaf32466ef97" ],
[ 128, "2b7e151628aed2a6abf7158809cf4f3c",
"ae2d8a571e03ac9c9eb76fac45af8e51",
"f5d3d58503b9699de785895a96fdbaaf" ],
[ 128, "2b7e151628aed2a6abf7158809cf4f3c",
"30c81c46a35ce411e5fbc1191a0a52ef",
"43b1cd7f598ece23881b00e3ed030688" ],
[ 128, "2b7e151628aed2a6abf7158809cf4f3c",
"f69f2445df4f9b17ad2b417be66c3710",
"7b0c785e27e8ad3f8223207104725dd4" ],
[ 192, "8e73b0f7da0e6452c810f32b809079e562f8ead2522c6b7b",
"6bc1bee22e409f96e93d7e117393172a",
"bd334f1d6e45f25ff712a214571fa5cc" ],
[ 192, "8e73b0f7da0e6452c810f32b809079e562f8ead2522c6b7b",
"ae2d8a571e03ac9c9eb76fac45af8e51",
"974104846d0ad3ad7734ecb3ecee4eef" ],
[ 192, "8e73b0f7da0e6452c810f32b809079e562f8ead2522c6b7b",
"30c81c46a35ce411e5fbc1191a0a52ef",
"ef7afd2270e2e60adce0ba2face6444e" ],
[ 192, "8e73b0f7da0e6452c810f32b809079e562f8ead2522c6b7b",
"f69f2445df4f9b17ad2b417be66c3710",
"9a4b41ba738d6c72fb16691603c18e0e" ],
[ 256, "603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4",
"6bc1bee22e409f96e93d7e117393172a",
"f3eed1bdb5d2a03c064b5a7e3db181f8" ],
[ 256, "603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4",
"ae2d8a571e03ac9c9eb76fac45af8e51",
"591ccb10d410ed26dc5ba74a31362870" ],
[ 256, "603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4",
"30c81c46a35ce411e5fbc1191a0a52ef",
"b6ed21b99ca6f4f9f153e7b1beafed1d" ],
[ 256, "603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4",
"f69f2445df4f9b17ad2b417be66c3710",
"23304b7a39f9f3ff067d8d8f9e24ecc7" ],
]
class AESTests(unittest.TestCase):
ENCRYPT, DECRYPT = 1, 2
def test_aes(self):
for c in cases:
key, plain, cypher = [make_cbuffer(s)[0] for s in c[1:]]
key_bytes = { 128: 16, 192: 24, 256: 32}[c[0]]
self.assertEqual(len(key), key_bytes)
for p, f, o in [(plain, self.ENCRYPT, cypher),
(cypher, self.DECRYPT, plain)]:
out_buf, out_len = make_cbuffer('00' * len(o))
ret = wally_aes(key, len(key), p, len(p), f, out_buf, out_len)
self.assertEqual(ret, 0)
self.assertEqual(h(out_buf), h(o))
def get_cbc_cases(self):
lines = []
with open(root_dir + 'src/data/aes-cbc-pkcs7.txt', 'r') as f:
for l in f.readlines():
if len(l.strip()) and not l.startswith('#'):
lines.append(l.strip().split('=')[1])
return [lines[x:x+4] for x in range(0, len(lines), 4)]
def test_aes_cbc(self):
for c in self.get_cbc_cases():
plain, key, iv, cypher = [make_cbuffer(s)[0] for s in c]
for p, f, o in [(plain, self.ENCRYPT, cypher),
(cypher, self.DECRYPT, plain)]:
out_buf, out_len = make_cbuffer('00' * len(o))
ret, written = wally_aes_cbc(key, len(key), iv, len(iv),
p, len(p), f, out_buf, out_len)
self.assertEqual((ret, written), (0, len(o)))
self.assertEqual(h(out_buf), h(o))
if __name__ == '__main__':
unittest.main()