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fix salsa20 for UDP

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This commit is contained in:
clowwindy 2014-07-11 18:46:26 +08:00
parent 040c956472
commit 2950f99da6
1 changed files with 6 additions and 3 deletions
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9
shadowsocks/encrypt.py
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@ -216,9 +216,12 @@ def encrypt_all(password, method, op, data):
else:
iv = data[:iv_len]
data = data[iv_len:]
cipher = M2Crypto.EVP.Cipher(method.replace('-', '_'), key, iv, op,
key_as_bytes=0, d='md5', salt=None, i=1,
padding=1)
if method != 'salsa20-ctr':
cipher = M2Crypto.EVP.Cipher(method.replace('-', '_'), key, iv,
op, key_as_bytes=0, d='md5',
salt=None, i=1, padding=1)
else:
cipher = encrypt_salsa20.Salsa20Cipher(method, key, iv, op)
result.append(cipher.update(data))
f = cipher.final()
if f: