__init__.py 1.5 KB

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  1. #
  2. # Random/OSRNG/__init__.py : Platform-independent OS RNG API
  3. #
  4. # Written in 2008 by Dwayne C. Litzenberger <dlitz@dlitz.net>
  5. #
  6. # ===================================================================
  7. # The contents of this file are dedicated to the public domain. To
  8. # the extent that dedication to the public domain is not available,
  9. # everyone is granted a worldwide, perpetual, royalty-free,
  10. # non-exclusive license to exercise all rights associated with the
  11. # contents of this file for any purpose whatsoever.
  12. # No rights are reserved.
  13. #
  14. # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  15. # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  16. # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  17. # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  18. # BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  19. # ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  20. # CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  21. # SOFTWARE.
  22. # ===================================================================
  23. """Provides a platform-independent interface to the random number generators
  24. supplied by various operating systems."""
  25. __revision__ = "$Id$"
  26. import os
  27. if os.name == 'posix':
  28. from Crypto.Random.OSRNG.posix import new
  29. elif os.name == 'nt':
  30. from Crypto.Random.OSRNG.nt import new
  31. elif hasattr(os, 'urandom'):
  32. from Crypto.Random.OSRNG.fallback import new
  33. else:
  34. raise ImportError("Not implemented")
  35. # vim:set ts=4 sw=4 sts=4 expandtab: