vbatts/shadowsocks
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

remove m2.py

Browse source
This commit is contained in:
Falseen 2015-11-01 19:46:18 +08:00
parent 82b5980422
commit 72001556b5
1 changed files with 0 additions and 117 deletions
Download patch file Download diff file Expand all files Collapse all files

117
shadowsocks/crypto/m2.py
View file

@ -1,117 +0,0 @@
#!/usr/bin/env python
# Copyright (c) 2014 clowwindy
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
from __future__ import absolute_import, division, print_function, \
with_statement
import sys
import logging
__all__ = ['ciphers']
has_m2 = True
try:
__import__('M2Crypto')
except ImportError:
has_m2 = False
def create_cipher(alg, key, iv, op, key_as_bytes=0, d=None, salt=None, i=1,
padding=1):
import M2Crypto.EVP
return M2Crypto.EVP.Cipher(alg.replace('-', '_'), key, iv, op,
key_as_bytes=0, d='md5', salt=None, i=1,
padding=1)
def err(alg, key, iv, op, key_as_bytes=0, d=None, salt=None, i=1, padding=1):
logging.error(('M2Crypto is required to use %s, please run'
' `apt-get install python-m2crypto`') % alg)
sys.exit(1)
if has_m2:
ciphers = {
b'aes-128-cfb': (16, 16, create_cipher),
b'aes-192-cfb': (24, 16, create_cipher),
b'aes-256-cfb': (32, 16, create_cipher),
b'bf-cfb': (16, 8, create_cipher),
b'camellia-128-cfb': (16, 16, create_cipher),
b'camellia-192-cfb': (24, 16, create_cipher),
b'camellia-256-cfb': (32, 16, create_cipher),
b'cast5-cfb': (16, 8, create_cipher),
b'des-cfb': (8, 8, create_cipher),
b'idea-cfb': (16, 8, create_cipher),
b'rc2-cfb': (16, 8, create_cipher),
b'rc4': (16, 0, create_cipher),
b'seed-cfb': (16, 16, create_cipher),
}
else:
ciphers = {}
def run_method(method):
from shadowsocks.crypto import util
cipher = create_cipher(method, b'k' * 32, b'i' * 16, 1)
decipher = create_cipher(method, b'k' * 32, b'i' * 16, 0)
util.run_cipher(cipher, decipher)
def check_env():
# skip this test on pypy and Python 3
try:
import __pypy__
del __pypy__
from nose.plugins.skip import SkipTest
raise SkipTest
except ImportError:
pass
if bytes != str:
from nose.plugins.skip import SkipTest
raise SkipTest
def test_aes_128_cfb():
check_env()
run_method(b'aes-128-cfb')
def test_aes_256_cfb():
check_env()
run_method(b'aes-256-cfb')
def test_bf_cfb():
check_env()
run_method(b'bf-cfb')
def test_rc4():
check_env()
run_method(b'rc4')
if __name__ == '__main__':
test_aes_128_cfb()