61 lines
2.2 KiB
Python
61 lines
2.2 KiB
Python
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# -*- coding: ascii -*-
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#
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# pct_warnings.py : PyCrypto warnings file
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#
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# Written in 2008 by Dwayne C. Litzenberger <dlitz@dlitz.net>
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#
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# ===================================================================
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# The contents of this file are dedicated to the public domain. To
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# the extent that dedication to the public domain is not available,
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# everyone is granted a worldwide, perpetual, royalty-free,
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# non-exclusive license to exercise all rights associated with the
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# contents of this file for any purpose whatsoever.
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# No rights are reserved.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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# ===================================================================
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#
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# Base classes. All our warnings inherit from one of these in order to allow
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# the user to specifically filter them.
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#
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class CryptoWarning(Warning):
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"""Base class for PyCrypto warnings"""
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class CryptoDeprecationWarning(DeprecationWarning, CryptoWarning):
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"""Base PyCrypto DeprecationWarning class"""
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class CryptoRuntimeWarning(RuntimeWarning, CryptoWarning):
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"""Base PyCrypto RuntimeWarning class"""
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#
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# Warnings that we might actually use
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#
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class RandomPool_DeprecationWarning(CryptoDeprecationWarning):
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"""Issued when Crypto.Util.randpool.RandomPool is instantiated."""
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class ClockRewindWarning(CryptoRuntimeWarning):
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"""Warning for when the system clock moves backwards."""
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class GetRandomNumber_DeprecationWarning(CryptoDeprecationWarning):
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"""Issued when Crypto.Util.number.getRandomNumber is invoked."""
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class PowmInsecureWarning(CryptoRuntimeWarning):
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"""Warning for when _fastmath is built without mpz_powm_sec"""
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# By default, we want this warning to be shown every time we compensate for
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# clock rewinding.
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import warnings as _warnings
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_warnings.filterwarnings('always', category=ClockRewindWarning, append=1)
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# vim:set ts=4 sw=4 sts=4 expandtab:
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