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1 """OpenSSL/M2Crypto RC4 implementation.""" | |
2 | |
3 from cryptomath import * | |
4 from RC4 import RC4 | |
5 | |
6 if m2cryptoLoaded: | |
7 | |
8 def new(key): | |
9 return OpenSSL_RC4(key) | |
10 | |
11 class OpenSSL_RC4(RC4): | |
12 | |
13 def __init__(self, key): | |
14 RC4.__init__(self, key, "openssl") | |
15 self.rc4 = m2.rc4_new() | |
16 m2.rc4_set_key(self.rc4, key) | |
17 | |
18 def __del__(self): | |
19 m2.rc4_free(self.rc4) | |
20 | |
21 def encrypt(self, plaintext): | |
22 return m2.rc4_update(self.rc4, plaintext) | |
23 | |
24 def decrypt(self, ciphertext): | |
25 return self.encrypt(ciphertext) | |
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