tools v2.0

Most tools now have plugins

Calibre_Plugins/ignobleepub_plugin/windows/Crypto/Cipher/__init__.py

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+# -*- coding: utf-8 -*-
+#
+# ===================================================================
+# 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.
+# ===================================================================
+
+"""Secret-key encryption algorithms.
+
+Secret-key encryption algorithms transform plaintext in some way that
+is dependent on a key, producing ciphertext. This transformation can
+easily be reversed, if (and, hopefully, only if) one knows the key.
+
+The encryption modules here all support the interface described in PEP
+272, "API for Block Encryption Algorithms".
+
+If you don't know which algorithm to choose, use AES because it's
+standard and has undergone a fair bit of examination.
+
+Crypto.Cipher.AES         Advanced Encryption Standard
+Crypto.Cipher.ARC2        Alleged RC2
+Crypto.Cipher.ARC4        Alleged RC4
+Crypto.Cipher.Blowfish
+Crypto.Cipher.CAST
+Crypto.Cipher.DES         The Data Encryption Standard.  Very commonly used
+                          in the past, but today its 56-bit keys are too small.
+Crypto.Cipher.DES3        Triple DES.
+Crypto.Cipher.XOR         The simple XOR cipher.
+"""
+
+__all__ = ['AES', 'ARC2', 'ARC4',
+           'Blowfish', 'CAST', 'DES', 'DES3',
+           'XOR'
+           ]
+
+__revision__ = "$Id$"
+
+