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52 lines
1.3 KiB
52 lines
1.3 KiB
#!/usr/bin/env python
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#
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# Copyright 2015 clowwindy
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from __future__ import absolute_import, division, print_function, \
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with_statement
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import hashlib
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from shadowsocks.crypto import openssl
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__all__ = ['ciphers']
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def create_cipher(alg, key, iv, op, key_as_bytes=0, d=None, salt=None,
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i=1, padding=1):
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md5 = hashlib.md5()
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md5.update(key)
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md5.update(iv)
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rc4_key = md5.digest()
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return openssl.OpenSSLCrypto(b'rc4', rc4_key, b'', op)
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ciphers = {
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'rc4-md5': (16, 16, create_cipher),
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'rc4-md5-6': (16, 6, create_cipher),
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}
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def test():
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from shadowsocks.crypto import util
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cipher = create_cipher('rc4-md5', b'k' * 32, b'i' * 16, 1)
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decipher = create_cipher('rc4-md5', b'k' * 32, b'i' * 16, 0)
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util.run_cipher(cipher, decipher)
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if __name__ == '__main__':
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test()
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