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[aes] Fix GCM pad length calculation (#11438)

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Closes #10169
Authored by: seproDev
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sepro 2024-11-03 21:03:09 +01:00 • committed by GitHub
parent 3945677a75
commit beae2db127
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2 changed files with 14 additions and 2 deletions
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12
test/test_aes.py
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@ -83,6 +83,18 @@ class TestAES(unittest.TestCase):
data, intlist_to_bytes(self.key), authentication_tag, intlist_to_bytes(self.iv[:12]))
self.assertEqual(decrypted.rstrip(b'\x08'), self.secret_msg)
def test_gcm_aligned_decrypt(self):
data = b'\x159Y\xcf5eud\x90\x9c\x85&]\x14\x1d\x0f'
authentication_tag = b'\x08\xb1\x9d!&\x98\xd0\xeaRq\x90\xe6;\xb5]\xd8'
decrypted = intlist_to_bytes(aes_gcm_decrypt_and_verify(
list(data), self.key, list(authentication_tag), self.iv[:12]))
self.assertEqual(decrypted.rstrip(b'\x08'), self.secret_msg[:16])
if Cryptodome.AES:
decrypted = aes_gcm_decrypt_and_verify_bytes(
data, bytes(self.key), authentication_tag, bytes(self.iv[:12]))
self.assertEqual(decrypted.rstrip(b'\x08'), self.secret_msg[:16])
def test_decrypt_text(self):
password = intlist_to_bytes(self.key).decode()
encrypted = base64.b64encode(