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fix auth_chain_a UDP bug

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This commit is contained in:
破娃酱 2017-04-28 21:43:18 +08:00
parent 582d7b7256
commit 5896eac1a8
1 changed files with 1 additions and 1 deletions
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2
shadowsocks/obfsplugin/auth_chain.py
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@ -602,7 +602,7 @@ class auth_chain_a(auth_base):
mac_key = self.server_info.key
md5data = hmac.new(mac_key, authdata, self.hashfunc).digest()
rand_len = self.udp_rnd_data_len(md5data, self.random_server)
encryptor = encrypt.Encryptor(to_bytes(base64.b64encode(self.user_key)) + to_bytes(base64.b64encode(md5data)), 'rc4')
encryptor = encrypt.Encryptor(to_bytes(base64.b64encode(user_key)) + to_bytes(base64.b64encode(md5data)), 'rc4')
out_buf = encryptor.encrypt(buf)
buf = out_buf + os.urandom(rand_len) + authdata
return buf + hmac.new(user_key, buf, self.hashfunc).digest()[:1]