update windows build to Python 3.7
This commit is contained in:
parent
73105fa71e
commit
ddc59ab92d
5761 changed files with 750298 additions and 213405 deletions
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@ -1,46 +1,46 @@
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#
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# Random/OSRNG/fallback.py : Fallback entropy source for systems with os.urandom
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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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__revision__ = "$Id$"
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__all__ = ['PythonOSURandomRNG']
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import os
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from .rng_base import BaseRNG
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class PythonOSURandomRNG(BaseRNG):
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name = "<os.urandom>"
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def __init__(self):
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self._read = os.urandom
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BaseRNG.__init__(self)
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def _close(self):
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self._read = None
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def new(*args, **kwargs):
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return PythonOSURandomRNG(*args, **kwargs)
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# vim:set ts=4 sw=4 sts=4 expandtab:
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#
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# Random/OSRNG/fallback.py : Fallback entropy source for systems with os.urandom
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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,
|
||||
# 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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__revision__ = "$Id$"
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__all__ = ['PythonOSURandomRNG']
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import os
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from .rng_base import BaseRNG
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class PythonOSURandomRNG(BaseRNG):
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name = "<os.urandom>"
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def __init__(self):
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self._read = os.urandom
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BaseRNG.__init__(self)
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def _close(self):
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self._read = None
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def new(*args, **kwargs):
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return PythonOSURandomRNG(*args, **kwargs)
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# vim:set ts=4 sw=4 sts=4 expandtab:
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@ -1,74 +1,74 @@
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#
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# Random/OSRNG/nt.py : OS entropy source for MS Windows
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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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__revision__ = "$Id$"
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__all__ = ['WindowsRNG']
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from . import winrandom
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from .rng_base import BaseRNG
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class WindowsRNG(BaseRNG):
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name = "<CryptGenRandom>"
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def __init__(self):
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self.__winrand = winrandom.new()
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BaseRNG.__init__(self)
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def flush(self):
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"""Work around weakness in Windows RNG.
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The CryptGenRandom mechanism in some versions of Windows allows an
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attacker to learn 128 KiB of past and future output. As a workaround,
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this function reads 128 KiB of 'random' data from Windows and discards
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it.
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For more information about the weaknesses in CryptGenRandom, see
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_Cryptanalysis of the Random Number Generator of the Windows Operating
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System_, by Leo Dorrendorf and Zvi Gutterman and Benny Pinkas
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http://eprint.iacr.org/2007/419
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"""
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if self.closed:
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raise ValueError("I/O operation on closed file")
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data = self.__winrand.get_bytes(128*1024)
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assert (len(data) == 128*1024)
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BaseRNG.flush(self)
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def _close(self):
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self.__winrand = None
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def _read(self, N):
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# Unfortunately, research shows that CryptGenRandom doesn't provide
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# forward secrecy and fails the next-bit test unless we apply a
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# workaround, which we do here. See http://eprint.iacr.org/2007/419
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# for information on the vulnerability.
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self.flush()
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data = self.__winrand.get_bytes(N)
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self.flush()
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return data
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def new(*args, **kwargs):
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return WindowsRNG(*args, **kwargs)
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# vim:set ts=4 sw=4 sts=4 expandtab:
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#
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# Random/OSRNG/nt.py : OS entropy source for MS Windows
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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,
|
||||
# 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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__revision__ = "$Id$"
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__all__ = ['WindowsRNG']
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import winrandom
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from .rng_base import BaseRNG
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class WindowsRNG(BaseRNG):
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name = "<CryptGenRandom>"
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def __init__(self):
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self.__winrand = winrandom.new()
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BaseRNG.__init__(self)
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def flush(self):
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"""Work around weakness in Windows RNG.
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The CryptGenRandom mechanism in some versions of Windows allows an
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attacker to learn 128 KiB of past and future output. As a workaround,
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this function reads 128 KiB of 'random' data from Windows and discards
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it.
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For more information about the weaknesses in CryptGenRandom, see
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_Cryptanalysis of the Random Number Generator of the Windows Operating
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System_, by Leo Dorrendorf and Zvi Gutterman and Benny Pinkas
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http://eprint.iacr.org/2007/419
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"""
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if self.closed:
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raise ValueError("I/O operation on closed file")
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data = self.__winrand.get_bytes(128*1024)
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assert (len(data) == 128*1024)
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BaseRNG.flush(self)
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def _close(self):
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self.__winrand = None
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def _read(self, N):
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# Unfortunately, research shows that CryptGenRandom doesn't provide
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# forward secrecy and fails the next-bit test unless we apply a
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# workaround, which we do here. See http://eprint.iacr.org/2007/419
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# for information on the vulnerability.
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self.flush()
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data = self.__winrand.get_bytes(N)
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self.flush()
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return data
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def new(*args, **kwargs):
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return WindowsRNG(*args, **kwargs)
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# vim:set ts=4 sw=4 sts=4 expandtab:
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@ -1,86 +1,86 @@
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#
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# Random/OSRNG/posix.py : OS entropy source for POSIX systems
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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,
|
||||
# non-exclusive license to exercise all rights associated with the
|
||||
# contents of this file for any purpose whatsoever.
|
||||
# No rights are reserved.
|
||||
#
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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
|
||||
# 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
|
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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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__revision__ = "$Id$"
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__all__ = ['DevURandomRNG']
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import errno
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import os
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import stat
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from .rng_base import BaseRNG
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from Crypto.Util.py3compat import b
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class DevURandomRNG(BaseRNG):
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def __init__(self, devname=None):
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if devname is None:
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self.name = "/dev/urandom"
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else:
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self.name = devname
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# Test that /dev/urandom is a character special device
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f = open(self.name, "rb", 0)
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fmode = os.fstat(f.fileno())[stat.ST_MODE]
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if not stat.S_ISCHR(fmode):
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f.close()
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raise TypeError("%r is not a character special device" % (self.name,))
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self.__file = f
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BaseRNG.__init__(self)
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def _close(self):
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self.__file.close()
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def _read(self, N):
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# Starting with Python 3 open with buffering=0 returns a FileIO object.
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# FileIO.read behaves like read(2) and not like fread(3) and thus we
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# have to handle the case that read returns less data as requested here
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# more carefully.
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data = b("")
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while len(data) < N:
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try:
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d = self.__file.read(N - len(data))
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except IOError as e:
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# read(2) has been interrupted by a signal; redo the read
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if e.errno == errno.EINTR:
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continue
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raise
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if d is None:
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# __file is in non-blocking mode and no data is available
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return data
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if len(d) == 0:
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# __file is in blocking mode and arrived at EOF
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return data
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data += d
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return data
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def new(*args, **kwargs):
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return DevURandomRNG(*args, **kwargs)
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# vim:set ts=4 sw=4 sts=4 expandtab:
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#
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# Random/OSRNG/posix.py : OS entropy source for POSIX systems
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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,
|
||||
# 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
|
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# SOFTWARE.
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# ===================================================================
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__revision__ = "$Id$"
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__all__ = ['DevURandomRNG']
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import errno
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import os
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import stat
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from .rng_base import BaseRNG
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from Crypto.Util.py3compat import b
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class DevURandomRNG(BaseRNG):
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def __init__(self, devname=None):
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if devname is None:
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self.name = "/dev/urandom"
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else:
|
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self.name = devname
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# Test that /dev/urandom is a character special device
|
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f = open(self.name, "rb", 0)
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fmode = os.fstat(f.fileno())[stat.ST_MODE]
|
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if not stat.S_ISCHR(fmode):
|
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f.close()
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raise TypeError("%r is not a character special device" % (self.name,))
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self.__file = f
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BaseRNG.__init__(self)
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def _close(self):
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self.__file.close()
|
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|
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def _read(self, N):
|
||||
# Starting with Python 3 open with buffering=0 returns a FileIO object.
|
||||
# FileIO.read behaves like read(2) and not like fread(3) and thus we
|
||||
# have to handle the case that read returns less data as requested here
|
||||
# more carefully.
|
||||
data = b("")
|
||||
while len(data) < N:
|
||||
try:
|
||||
d = self.__file.read(N - len(data))
|
||||
except IOError as e:
|
||||
# read(2) has been interrupted by a signal; redo the read
|
||||
if e.errno == errno.EINTR:
|
||||
continue
|
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raise
|
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|
||||
if d is None:
|
||||
# __file is in non-blocking mode and no data is available
|
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return data
|
||||
if len(d) == 0:
|
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# __file is in blocking mode and arrived at EOF
|
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return data
|
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|
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data += d
|
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return data
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|
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def new(*args, **kwargs):
|
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return DevURandomRNG(*args, **kwargs)
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|
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|
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# vim:set ts=4 sw=4 sts=4 expandtab:
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|
|
|
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|
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@ -1,88 +1,88 @@
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#
|
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# Random/OSRNG/rng_base.py : Base class for OSRNG
|
||||
#
|
||||
# Written in 2008 by Dwayne C. Litzenberger <dlitz@dlitz.net>
|
||||
#
|
||||
# ===================================================================
|
||||
# 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.
|
||||
# ===================================================================
|
||||
|
||||
__revision__ = "$Id$"
|
||||
|
||||
import sys
|
||||
if sys.version_info[0] == 2 and sys.version_info[1] == 1:
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from Crypto.Util.py21compat import *
|
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|
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class BaseRNG(object):
|
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|
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def __init__(self):
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self.closed = False
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self._selftest()
|
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|
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def __del__(self):
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self.close()
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|
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def _selftest(self):
|
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# Test that urandom can return data
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data = self.read(16)
|
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if len(data) != 16:
|
||||
raise AssertionError("read truncated")
|
||||
|
||||
# Test that we get different data every time (if we don't, the RNG is
|
||||
# probably malfunctioning)
|
||||
data2 = self.read(16)
|
||||
if data == data2:
|
||||
raise AssertionError("OS RNG returned duplicate data")
|
||||
|
||||
# PEP 343: Support for the "with" statement
|
||||
def __enter__(self):
|
||||
pass
|
||||
def __exit__(self):
|
||||
"""PEP 343 support"""
|
||||
self.close()
|
||||
|
||||
def close(self):
|
||||
if not self.closed:
|
||||
self._close()
|
||||
self.closed = True
|
||||
|
||||
def flush(self):
|
||||
pass
|
||||
|
||||
def read(self, N=-1):
|
||||
"""Return N bytes from the RNG."""
|
||||
if self.closed:
|
||||
raise ValueError("I/O operation on closed file")
|
||||
if not isinstance(N, int):
|
||||
raise TypeError("an integer is required")
|
||||
if N < 0:
|
||||
raise ValueError("cannot read to end of infinite stream")
|
||||
elif N == 0:
|
||||
return ""
|
||||
data = self._read(N)
|
||||
if len(data) != N:
|
||||
raise AssertionError("%s produced truncated output (requested %d, got %d)" % (self.name, N, len(data)))
|
||||
return data
|
||||
|
||||
def _close(self):
|
||||
raise NotImplementedError("child class must implement this")
|
||||
|
||||
def _read(self, N):
|
||||
raise NotImplementedError("child class must implement this")
|
||||
|
||||
|
||||
# vim:set ts=4 sw=4 sts=4 expandtab:
|
||||
#
|
||||
# Random/OSRNG/rng_base.py : Base class for OSRNG
|
||||
#
|
||||
# Written in 2008 by Dwayne C. Litzenberger <dlitz@dlitz.net>
|
||||
#
|
||||
# ===================================================================
|
||||
# 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.
|
||||
# ===================================================================
|
||||
|
||||
__revision__ = "$Id$"
|
||||
|
||||
import sys
|
||||
if sys.version_info[0] == 2 and sys.version_info[1] == 1:
|
||||
from Crypto.Util.py21compat import *
|
||||
|
||||
class BaseRNG(object):
|
||||
|
||||
def __init__(self):
|
||||
self.closed = False
|
||||
self._selftest()
|
||||
|
||||
def __del__(self):
|
||||
self.close()
|
||||
|
||||
def _selftest(self):
|
||||
# Test that urandom can return data
|
||||
data = self.read(16)
|
||||
if len(data) != 16:
|
||||
raise AssertionError("read truncated")
|
||||
|
||||
# Test that we get different data every time (if we don't, the RNG is
|
||||
# probably malfunctioning)
|
||||
data2 = self.read(16)
|
||||
if data == data2:
|
||||
raise AssertionError("OS RNG returned duplicate data")
|
||||
|
||||
# PEP 343: Support for the "with" statement
|
||||
def __enter__(self):
|
||||
pass
|
||||
def __exit__(self):
|
||||
"""PEP 343 support"""
|
||||
self.close()
|
||||
|
||||
def close(self):
|
||||
if not self.closed:
|
||||
self._close()
|
||||
self.closed = True
|
||||
|
||||
def flush(self):
|
||||
pass
|
||||
|
||||
def read(self, N=-1):
|
||||
"""Return N bytes from the RNG."""
|
||||
if self.closed:
|
||||
raise ValueError("I/O operation on closed file")
|
||||
if not isinstance(N, int):
|
||||
raise TypeError("an integer is required")
|
||||
if N < 0:
|
||||
raise ValueError("cannot read to end of infinite stream")
|
||||
elif N == 0:
|
||||
return ""
|
||||
data = self._read(N)
|
||||
if len(data) != N:
|
||||
raise AssertionError("%s produced truncated output (requested %d, got %d)" % (self.name, N, len(data)))
|
||||
return data
|
||||
|
||||
def _close(self):
|
||||
raise NotImplementedError("child class must implement this")
|
||||
|
||||
def _read(self, N):
|
||||
raise NotImplementedError("child class must implement this")
|
||||
|
||||
|
||||
# vim:set ts=4 sw=4 sts=4 expandtab:
|
||||
|
|
|
|||
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Reference in a new issue