merge bitcoin#29390: speedup bip324_cipher.py unit test

This commit is contained in:
Kittywhiskers Van Gogh 2024-02-06 00:40:26 +01:00
parent 062aaf11e4
commit 2455862c9f
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GPG Key ID: 30CD0C065E5C4AAD

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@ -25,6 +25,8 @@ def pad16(x):
def aead_chacha20_poly1305_encrypt(key, nonce, aad, plaintext):
"""Encrypt a plaintext using ChaCha20Poly1305."""
if plaintext is None:
return None
ret = bytearray()
msg_len = len(plaintext)
for i in range((msg_len + 63) // 64):
@ -42,7 +44,7 @@ def aead_chacha20_poly1305_encrypt(key, nonce, aad, plaintext):
def aead_chacha20_poly1305_decrypt(key, nonce, aad, ciphertext):
"""Decrypt a ChaCha20Poly1305 ciphertext."""
if len(ciphertext) < 16:
if ciphertext is None or len(ciphertext) < 16:
return None
msg_len = len(ciphertext) - 16
poly1305 = Poly1305(chacha20_block(key, nonce, 0)[:32])
@ -191,11 +193,11 @@ class TestFrameworkAEAD(unittest.TestCase):
dec_aead = FSChaCha20Poly1305(key)
for _ in range(msg_idx):
enc_aead.encrypt(b"", b"")
enc_aead.encrypt(b"", None)
ciphertext = enc_aead.encrypt(aad, plain)
self.assertEqual(hex_cipher, ciphertext.hex())
for _ in range(msg_idx):
dec_aead.decrypt(b"", bytes(16))
dec_aead.decrypt(b"", None)
plaintext = dec_aead.decrypt(aad, ciphertext)
self.assertEqual(plain, plaintext)