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Last change
on this file since 2 was
2,
checked in by phkim, 11 years ago
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1.phkim
- revision copy newcon3sk r27
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-
Property svn:executable set to
*
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File size:
990 bytes
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| 1 | /* |
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| 2 | * include/linux/random.h |
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| 3 | * |
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| 4 | * Include file for the random number generator. |
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| 5 | */ |
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| 6 | |
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| 7 | #ifndef _LINUX_RANDOM_H |
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| 8 | #define _LINUX_RANDOM_H |
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| 9 | |
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| 10 | #include <asm/types.h> |
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| 11 | |
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| 12 | #include <linux/ioctl.h> |
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| 13 | |
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| 14 | /* ioctl()'s for the random number generator */ |
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| 15 | |
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| 16 | /* Get the entropy count. */ |
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| 17 | #define RNDGETENTCNT _IOR( 'R', 0x00, int ) |
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| 18 | |
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| 19 | /* Add to (or subtract from) the entropy count. (Superuser only.) */ |
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| 20 | #define RNDADDTOENTCNT _IOW( 'R', 0x01, int ) |
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| 21 | |
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| 22 | /* Get the contents of the entropy pool. (Superuser only.) */ |
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| 23 | #define RNDGETPOOL _IOR( 'R', 0x02, int [2] ) |
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| 24 | |
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| 25 | /* |
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| 26 | * Write bytes into the entropy pool and add to the entropy count. |
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| 27 | * (Superuser only.) |
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| 28 | */ |
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| 29 | #define RNDADDENTROPY _IOW( 'R', 0x03, int [2] ) |
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| 30 | |
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| 31 | /* Clear entropy count to 0. (Superuser only.) */ |
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| 32 | #define RNDZAPENTCNT _IO( 'R', 0x04 ) |
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| 33 | |
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| 34 | /* Clear the entropy pool and associated counters. (Superuser only.) */ |
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| 35 | #define RNDCLEARPOOL _IO( 'R', 0x06 ) |
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| 36 | |
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| 37 | struct rand_pool_info { |
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| 38 | int entropy_count; |
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| 39 | int buf_size; |
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| 40 | __u32 buf[0]; |
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| 41 | }; |
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| 42 | |
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| 43 | #endif /* _LINUX_RANDOM_H */ |
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