~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/include/linux/random.h

Version: ~ [ linux-5.5-rc1 ] ~ [ linux-5.4.2 ] ~ [ linux-5.3.15 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.88 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.158 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.206 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.206 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.140 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.78 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-3.9.11 ] ~ [ linux-3.8.13 ] ~ [ linux-3.7.10 ] ~ [ linux-3.6.11 ] ~ [ linux-3.5.7 ] ~ [ linux-3.4.113 ] ~ [ linux-3.3.8 ] ~ [ linux-3.2.102 ] ~ [ linux-3.1.10 ] ~ [ linux-3.0.101 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 /*
  2  * include/linux/random.h
  3  *
  4  * Include file for the random number generator.
  5  */
  6 
  7 #ifndef _LINUX_RANDOM_H
  8 #define _LINUX_RANDOM_H
  9 
 10 #include <linux/ioctl.h>
 11 
 12 /* ioctl()'s for the random number generator */
 13 
 14 /* Get the entropy count. */
 15 #define RNDGETENTCNT    _IOR( 'R', 0x00, int )
 16 
 17 /* Add to (or subtract from) the entropy count.  (Superuser only.) */
 18 #define RNDADDTOENTCNT  _IOW( 'R', 0x01, int )
 19 
 20 /* Get the contents of the entropy pool.  (Superuser only.) */
 21 #define RNDGETPOOL      _IOR( 'R', 0x02, int [2] )
 22 
 23 /* 
 24  * Write bytes into the entropy pool and add to the entropy count.
 25  * (Superuser only.)
 26  */
 27 #define RNDADDENTROPY   _IOW( 'R', 0x03, int [2] )
 28 
 29 /* Clear entropy count to 0.  (Superuser only.) */
 30 #define RNDZAPENTCNT    _IO( 'R', 0x04 )
 31 
 32 /* Clear the entropy pool and associated counters.  (Superuser only.) */
 33 #define RNDCLEARPOOL    _IO( 'R', 0x06 )
 34 
 35 struct rand_pool_info {
 36         int     entropy_count;
 37         int     buf_size;
 38         __u32   buf[0];
 39 };
 40 
 41 /* Exported functions */
 42 
 43 #ifdef __KERNEL__
 44 
 45 extern void rand_initialize(void);
 46 extern void rand_initialize_irq(int irq);
 47 extern void rand_initialize_blkdev(int irq, int mode);
 48 
 49 extern void batch_entropy_store(u32 a, u32 b, int num);
 50 
 51 extern void add_keyboard_randomness(unsigned char scancode);
 52 extern void add_mouse_randomness(__u32 mouse_data);
 53 extern void add_interrupt_randomness(int irq);
 54 extern void add_blkdev_randomness(int major);
 55 
 56 extern void get_random_bytes(void *buf, int nbytes);
 57 void generate_random_uuid(unsigned char uuid_out[16]);
 58 
 59 extern __u32 secure_ip_id(__u32 daddr);
 60 extern __u32 secure_tcp_sequence_number(__u32 saddr, __u32 daddr,
 61                                         __u16 sport, __u16 dport);
 62 extern __u32 secure_tcp_syn_cookie(__u32 saddr, __u32 daddr,
 63                                    __u16 sport, __u16 dport,
 64                                    __u32 sseq, __u32 count,
 65                                    __u32 data);
 66 extern __u32 check_tcp_syn_cookie(__u32 cookie, __u32 saddr,
 67                                   __u32 daddr, __u16 sport,
 68                                   __u16 dport, __u32 sseq,
 69                                   __u32 count, __u32 maxdiff);
 70 extern __u32 secure_tcpv6_sequence_number(__u32 *saddr, __u32 *daddr,
 71                                           __u16 sport, __u16 dport);
 72 
 73 extern __u32 secure_ipv6_id(__u32 *daddr);
 74 
 75 #ifndef MODULE
 76 extern struct file_operations random_fops, urandom_fops;
 77 #endif
 78 
 79 #endif /* __KERNEL___ */
 80 
 81 #endif /* _LINUX_RANDOM_H */
 82 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp