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remove M2Crypto completely

master
clowwindy 10 years ago
parent
commit
80b8bd7014
  1. 4
      .travis.yml
  2. 119
      shadowsocks/crypto/m2.py
  3. 11
      shadowsocks/crypto/rc4_md5.py
  4. 10
      shadowsocks/encrypt.py

4
.travis.yml

@ -9,10 +9,10 @@ cache:
- dante-1.4.0
before_install:
- sudo apt-get update -qq
- sudo apt-get install -qq build-essential libssl-dev swig python-m2crypto python-numpy dnsutils iproute nginx bc
- sudo apt-get install -qq build-essential dnsutils iproute nginx bc
- sudo dd if=/dev/urandom of=/usr/share/nginx/www/file bs=1M count=10
- sudo service nginx restart
- pip install m2crypto salsa20 pep8 pyflakes nose coverage
- pip install pep8 pyflakes nose coverage
- sudo tests/socksify/install.sh
- sudo tests/libsodium/install.sh
- sudo tests/setup_tc.sh

119
shadowsocks/crypto/m2.py

@ -1,119 +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
if bytes != str:
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()

11
shadowsocks/crypto/rc4_md5.py

@ -25,6 +25,7 @@ from __future__ import absolute_import, division, print_function, \
import hashlib
from shadowsocks.crypto import openssl
__all__ = ['ciphers']
@ -35,15 +36,7 @@ def create_cipher(alg, key, iv, op, key_as_bytes=0, d=None, salt=None,
md5.update(key)
md5.update(iv)
rc4_key = md5.digest()
try:
from shadowsocks.crypto import openssl
return openssl.OpenSSLCrypto(b'rc4', rc4_key, b'', op)
except Exception:
import M2Crypto.EVP
return M2Crypto.EVP.Cipher(b'rc4', rc4_key, b'', op,
key_as_bytes=0, d='md5', salt=None, i=1,
padding=1)
return openssl.OpenSSLCrypto(b'rc4', rc4_key, b'', op)
ciphers = {

10
shadowsocks/encrypt.py

@ -28,24 +28,18 @@ import sys
import hashlib
import logging
from shadowsocks.crypto import m2, rc4_md5, openssl, sodium, table
from shadowsocks.crypto import rc4_md5, openssl, sodium, table
method_supported = {}
method_supported.update(rc4_md5.ciphers)
method_supported.update(openssl.ciphers)
method_supported.update(sodium.ciphers)
# let M2Crypto override openssl
method_supported.update(m2.ciphers)
method_supported.update(table.ciphers)
def random_string(length):
try:
import M2Crypto.Rand
return M2Crypto.Rand.rand_bytes(length)
except ImportError:
return os.urandom(length)
return os.urandom(length)
cached_keys = {}

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