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add comment about buf

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clowwindy 2014-09-17 00:11:50 +08:00
parent 4ddc20945e
commit 402bc5743b
1 changed files with 1 additions and 0 deletions
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shadowsocks/crypto/ctypes_openssl.py
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@ -91,6 +91,7 @@ class CtypesCrypto(object):
libcrypto.EVP_CipherUpdate(self._ctx, byref(buf), libcrypto.EVP_CipherUpdate(self._ctx, byref(buf),
byref(cipher_out_len), c_char_p(data), byref(cipher_out_len), c_char_p(data),
len(data)) len(data))
# buf is copied to a str object when we access buf.raw
return buf.raw[:cipher_out_len.value] return buf.raw[:cipher_out_len.value]
def __del__(self): def __del__(self):