Changeset 1601:52e504c91cbc
- Timestamp:
- 11/04/08 09:27:49
(2 months ago)
- Author:
- Greg Von Kuster <greg@bx.psu.edu>
- branch:
- default
- Message:
Apply James' faster_random patch from Nov 1.
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Files:
-
Legend:
- Unmodified
- Added
- Removed
- Modified
- Copied
- Moved
| r1600 |
r1601 |
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| 11 | 11 | |
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| 12 | 12 | if os.path.exists( "/dev/urandom" ): |
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| 13 | | log.debug("###using /dev/urandom....") |
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| 14 | 13 | # We have urandom, use it as the source of random data |
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| 15 | 14 | random_fd = os.open( "/dev/urandom", os.O_RDONLY ) |
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| … | … | |
| 18 | 17 | # Normally we should get as much as we need |
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| 19 | 18 | if len( value ) == nbytes: |
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| 20 | | return value |
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| | 19 | return value.encode( "hex" ) |
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| 21 | 20 | # If we don't, keep reading (this is slow and should never happen) |
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| 22 | 21 | while len( value ) < nbytes: |
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| 23 | 22 | value += os.read( random_fd, nbytes - len( value ) ) |
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| 24 | | return value |
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| | 23 | return value.encode( "hex" ) |
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| 25 | 24 | else: |
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| 26 | 25 | def get_random_bytes( nbytes ): |
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| … | … | |
| 30 | 29 | random_pool.add_event() |
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| 31 | 30 | random_pool.stir() |
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| 32 | | return( str( number.getRandomNumber( nbits, random_pool.get_bytes ) ) ) |
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| | 31 | return str( number.getRandomNumber( nbits, random_pool.get_bytes ) ) |
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| | 32 | |
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| 33 | 33 | |
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| 34 | 34 | class SecurityHelper( object ): |
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