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| author | Roland McGrath <roland@gnu.org> | 2000-02-04 03:21:18 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 2000-02-04 03:21:18 +0000 |
| commit | 9fd51e9b0ad33a89a83fdbbb66bd20d85f7893fb (patch) | |
| tree | 8845b79f170028cb4380045c50277bbf075b5b7d /pfinet/linux-src/include/linux/random.h | |
| download | hurd-9fd51e9b0ad33a89a83fdbbb66bd20d85f7893fb.tar.gz hurd-9fd51e9b0ad33a89a83fdbbb66bd20d85f7893fb.tar.bz2 hurd-9fd51e9b0ad33a89a83fdbbb66bd20d85f7893fb.zip | |
Import of Linux 2.2.12 subset (ipv4 stack and related)
Diffstat (limited to 'pfinet/linux-src/include/linux/random.h')
| -rw-r--r-- | pfinet/linux-src/include/linux/random.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/pfinet/linux-src/include/linux/random.h b/pfinet/linux-src/include/linux/random.h new file mode 100644 index 00000000..58c93b9b --- /dev/null +++ b/pfinet/linux-src/include/linux/random.h @@ -0,0 +1,73 @@ +/* + * include/linux/random.h + * + * Include file for the random number generator. + */ + +#ifndef _LINUX_RANDOM_H +#define _LINUX_RANDOM_H + +#include <linux/ioctl.h> + +/* ioctl()'s for the random number generator */ + +/* Get the entropy count. */ +#define RNDGETENTCNT _IOR( 'R', 0x00, int ) + +/* Add to (or subtract from) the entropy count. (Superuser only.) */ +#define RNDADDTOENTCNT _IOW( 'R', 0x01, int ) + +/* Get the contents of the entropy pool. (Superuser only.) */ +#define RNDGETPOOL _IOR( 'R', 0x02, int [2] ) + +/* + * Write bytes into the entropy pool and add to the entropy count. + * (Superuser only.) + */ +#define RNDADDENTROPY _IOW( 'R', 0x03, int [2] ) + +/* Clear entropy count to 0. (Superuser only.) */ +#define RNDZAPENTCNT _IO( 'R', 0x04 ) + +/* Clear the entropy pool and associated counters. (Superuser only.) */ +#define RNDCLEARPOOL _IO( 'R', 0x06 ) + +struct rand_pool_info { + int entropy_count; + int buf_size; + __u32 buf[0]; +}; + +/* Exported functions */ + +#ifdef __KERNEL__ + +extern void rand_initialize(void); +extern void rand_initialize_irq(int irq); +extern void rand_initialize_blkdev(int irq, int mode); + +extern void add_keyboard_randomness(unsigned char scancode); +extern void add_mouse_randomness(__u32 mouse_data); +extern void add_interrupt_randomness(int irq); +extern void add_blkdev_randomness(int major); + +extern void get_random_bytes(void *buf, int nbytes); + +extern __u32 secure_tcp_sequence_number(__u32 saddr, __u32 daddr, + __u16 sport, __u16 dport); +extern __u32 secure_tcp_syn_cookie(__u32 saddr, __u32 daddr, + __u16 sport, __u16 dport, + __u32 sseq, __u32 count, + __u32 data); +extern __u32 check_tcp_syn_cookie(__u32 cookie, __u32 saddr, + __u32 daddr, __u16 sport, + __u16 dport, __u32 sseq, + __u32 count, __u32 maxdiff); + +#ifndef MODULE +extern struct file_operations random_fops, urandom_fops; +#endif + +#endif /* __KERNEL___ */ + +#endif /* _LINUX_RANDOM_H */ |