/usr/lib/python2.7/dist-packages/M2Crypto/RC4.py is in python-m2crypto 0.21.1-3ubuntu5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 | """M2Crypto wrapper for OpenSSL RC4 API.
Copyright (c) 1999-2003 Ng Pheng Siong. All rights reserved."""
from m2 import rc4_new, rc4_free, rc4_set_key, rc4_update
class RC4:
"""Object interface to the stream cipher RC4."""
rc4_free = rc4_free
def __init__(self, key=None):
self.cipher = rc4_new()
if key:
rc4_set_key(self.cipher, key)
def __del__(self):
if getattr(self, 'cipher', None):
self.rc4_free(self.cipher)
def set_key(self, key):
rc4_set_key(self.cipher, key)
def update(self, data):
return rc4_update(self.cipher, data)
def final(self):
return ''
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