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Diffstat (limited to 'frozen_deps/Crypto/Cipher/XOR.py')
-rw-r--r-- | frozen_deps/Crypto/Cipher/XOR.py | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/frozen_deps/Crypto/Cipher/XOR.py b/frozen_deps/Crypto/Cipher/XOR.py deleted file mode 100644 index 46b8464..0000000 --- a/frozen_deps/Crypto/Cipher/XOR.py +++ /dev/null @@ -1,86 +0,0 @@ -# -*- coding: utf-8 -*- -# -# Cipher/XOR.py : XOR -# -# =================================================================== -# The contents of this file are dedicated to the public domain. To -# the extent that dedication to the public domain is not available, -# everyone is granted a worldwide, perpetual, royalty-free, -# non-exclusive license to exercise all rights associated with the -# contents of this file for any purpose whatsoever. -# No rights are reserved. -# -# 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. -# =================================================================== -"""XOR toy cipher - -XOR is one the simplest stream ciphers. Encryption and decryption are -performed by XOR-ing data with a keystream made by contatenating -the key. - -Do not use it for real applications! - -:undocumented: __revision__, __package__ -""" - -__revision__ = "$Id$" - -from Crypto.Cipher import _XOR - -class XORCipher: - """XOR cipher object""" - - def __init__(self, key, *args, **kwargs): - """Initialize a XOR cipher object - - See also `new()` at the module level.""" - self._cipher = _XOR.new(key, *args, **kwargs) - self.block_size = self._cipher.block_size - self.key_size = self._cipher.key_size - - def encrypt(self, plaintext): - """Encrypt a piece of data. - - :Parameters: - plaintext : byte string - The piece of data to encrypt. It can be of any size. - :Return: the encrypted data (byte string, as long as the - plaintext). - """ - return self._cipher.encrypt(plaintext) - - def decrypt(self, ciphertext): - """Decrypt a piece of data. - - :Parameters: - ciphertext : byte string - The piece of data to decrypt. It can be of any size. - :Return: the decrypted data (byte string, as long as the - ciphertext). - """ - return self._cipher.decrypt(ciphertext) - -def new(key, *args, **kwargs): - """Create a new XOR cipher - - :Parameters: - key : byte string - The secret key to use in the symmetric cipher. - Its length may vary from 1 to 32 bytes. - - :Return: an `XORCipher` object - """ - return XORCipher(key, *args, **kwargs) - -#: Size of a data block (in bytes) -block_size = 1 -#: Size of a key (in bytes) -key_size = range(1,32+1) - |