author | Sylvain Thénault <sylvain.thenault@logilab.fr> |
Mon, 11 Oct 2010 12:27:17 +0200 | |
branch | stable |
changeset 6439 | fe0fb6f95ff0 |
parent 5424 | 8ecbcbff9777 |
child 7879 | 9aae456abab5 |
permissions | -rw-r--r-- |
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proper licensing information (LGPL-2.1). Hope I get it right this time.
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# copyright 2003-2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved. |
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Sylvain Thénault <sylvain.thenault@logilab.fr>
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# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr |
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Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
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# |
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Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
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# This file is part of CubicWeb. |
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proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
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# |
8167de96c523
proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
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# CubicWeb is free software: you can redistribute it and/or modify it under the |
8167de96c523
proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4595
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# terms of the GNU Lesser General Public License as published by the Free |
8167de96c523
proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4595
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# Software Foundation, either version 2.1 of the License, or (at your option) |
8167de96c523
proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
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# any later version. |
8167de96c523
proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
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# |
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# CubicWeb is distributed in the hope that it will be useful, but WITHOUT |
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8167de96c523
proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
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proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
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# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more |
8167de96c523
proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
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# details. |
8167de96c523
proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
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# |
8167de96c523
proper licensing information (LGPL-2.1). Hope I get it right this time.
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
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# You should have received a copy of the GNU Lesser General Public License along |
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Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
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# with CubicWeb. If not, see <http://www.gnu.org/licenses/>. |
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"""Simple cryptographic routines, based on python-crypto. |
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""" |
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__docformat__ = "restructuredtext en" |
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from pickle import dumps, loads |
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from base64 import b64encode, b64decode |
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from Crypto.Cipher import Blowfish |
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_CYPHERERS = {} |
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def _cypherer(seed): |
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try: |
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return _CYPHERERS[seed] |
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except KeyError: |
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_CYPHERERS[seed] = Blowfish.new(seed, Blowfish.MODE_ECB) |
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return _CYPHERERS[seed] |
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def encrypt(data, seed): |
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string = dumps(data) |
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string = string + '*' * (8 - len(string) % 8) |
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string = b64encode(_cypherer(seed).encrypt(string)) |
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return unicode(string) |
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def decrypt(string, seed): |
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# pickle ignores trailing characters so we do not need to strip them off |
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string = _cypherer(seed).decrypt(b64decode(string)) |
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return loads(string) |