def test_hash(self):
try:
_h = botan2.HashFunction('NoSuchHash')
except botan2.BotanException as e:
self.assertEqual(str(e),
"botan_hash_init failed: -40 (Not implemented)")
sha256 = botan2.HashFunction('SHA-256')
self.assertEqual(sha256.algo_name(), 'SHA-256')
self.assertEqual(sha256.output_length(), 32)
self.assertEqual(sha256.block_size(), 64)
sha256.update('ignore this please')
sha256.clear()
sha256.update('a')
hash1 = sha256.final()
self.assertEqual(
hex_encode(hash1),
"ca978112ca1bbdcafac231b39a23dc4da786eff8147c4e72b9807785afee48bb")
sha256.update(hex_decode('61'))
sha256_2 = sha256.copy_state()
sha256.update(hex_decode('6263'))
h2 = sha256.final()
self.assertEqual(
hex_encode(h2),
"ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad")
self.assertEqual(hex_encode(sha256_2.final()), hex_encode(hash1))
def test_hash(self):
try:
h = botan2.HashFunction('NoSuchHash')
except botan2.BotanException as e:
self.assertEqual(str(e),
"botan_hash_init failed: -40 (Not implemented)")
h = botan2.HashFunction('SHA-256')
self.assertEqual(h.algo_name(), 'SHA-256')
assert h.output_length() == 32
h.update('ignore this please')
h.clear()
h.update('a')
h1 = h.final()
self.assertEqual(
hex_encode(h1),
"ca978112ca1bbdcafac231b39a23dc4da786eff8147c4e72b9807785afee48bb")
h.update(hex_decode('616263'))
h2 = h.final()
self.assertEqual(
hex_encode(h2),
"ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad")
