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Side by Side Diff: third_party/google-endpoints/Crypto/Random/__init__.py

Issue 2666783008: Add google-endpoints to third_party/. (Closed)
Patch Set: Created 3 years, 10 months ago
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1 # -*- coding: utf-8 -*-
2 #
3 # Random/__init__.py : PyCrypto random number generation
4 #
5 # Written in 2008 by Dwayne C. Litzenberger <dlitz@dlitz.net>
6 #
7 # ===================================================================
8 # The contents of this file are dedicated to the public domain. To
9 # the extent that dedication to the public domain is not available,
10 # everyone is granted a worldwide, perpetual, royalty-free,
11 # non-exclusive license to exercise all rights associated with the
12 # contents of this file for any purpose whatsoever.
13 # No rights are reserved.
14 #
15 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 # BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20 # ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 # CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 # SOFTWARE.
23 # ===================================================================
24
25 __revision__ = "$Id$"
26 __all__ = ['new']
27
28 from Crypto.Random import OSRNG
29 from Crypto.Random import _UserFriendlyRNG
30
31 def new(*args, **kwargs):
32 """Return a file-like object that outputs cryptographically random bytes."""
33 return _UserFriendlyRNG.new(*args, **kwargs)
34
35 def atfork():
36 """Call this whenever you call os.fork()"""
37 _UserFriendlyRNG.reinit()
38
39 def get_random_bytes(n):
40 """Return the specified number of cryptographically-strong random bytes."""
41 return _UserFriendlyRNG.get_random_bytes(n)
42
43 # vim:set ts=4 sw=4 sts=4 expandtab:
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