siphash.h File Reference

#include <stddef.h>
#include <stdint.h>

Go to the source code of this file.

Classes
struct	siphash
struct	sipkey

Macros
#define	SIP_ULL(high, low)   ((((uint64_t)high) << 32) | (low))
#define	SIP_ROTL(x, b)   (uint64_t)(((x) << (b)) | ((x) >> (64 - (b))))
#define	SIP_U32TO8_LE(p, v)
#define	SIP_U64TO8_LE(p, v)
#define	SIP_U8TO64_LE(p)
#define	SIPHASH_INITIALIZER   {0, 0, 0, 0, {0}, 0, 0}
#define	SIP_KEYLEN   16
#define	sip_keyof(k)   sip_tokey(&(struct sipkey){{0}}, (k))
#define	sip_endof(a)   (&(a)[sizeof(a) / sizeof *(a)])

Functions
static struct sipkey *	sip_tokey (struct sipkey *key, const void *src)
static void	sip_round (struct siphash *H, const int rounds)
static struct siphash *	sip24_init (struct siphash *H, const struct sipkey *key)
static struct siphash *	sip24_update (struct siphash *H, const void *src, size_t len)
static uint64_t	sip24_final (struct siphash *H)
static uint64_t	siphash24 (const void *src, size_t len, const struct sipkey *key)
static int	sip24_valid (void)

Macro Definition Documentation

sip_endof

#define sip_endof

(

a

)

(&(a)[sizeof(a) / sizeof *(a)])

Definition at line 203 of file siphash.h.

SIP_KEYLEN

#define SIP_KEYLEN   16

Definition at line 138 of file siphash.h.

sip_keyof

#define sip_keyof

(

k

)

sip_tokey(&(struct sipkey){{0}}, (k))

Definition at line 144 of file siphash.h.

SIP_ROTL

#define SIP_ROTL	(		x,
			b
	)		(uint64_t)(((x) << (b)) | ((x) >> (64 - (b))))

Definition at line 111 of file siphash.h.

SIP_U32TO8_LE

#define SIP_U32TO8_LE	(		p,
			v
	)

Value:

  (p)[0] = (uint8_t)((v) >> 0);                                                \
  (p)[1] = (uint8_t)((v) >> 8);                                                \
  (p)[2] = (uint8_t)((v) >> 16);                                               \
  (p)[3] = (uint8_t)((v) >> 24);

Definition at line 113 of file siphash.h.

SIP_U64TO8_LE

#define SIP_U64TO8_LE	(		p,
			v
	)

Value:

  SIP_U32TO8_LE((p) + 0, (uint32_t)((v) >> 0));                                \
  SIP_U32TO8_LE((p) + 4, (uint32_t)((v) >> 32));

Definition at line 119 of file siphash.h.

SIP_U8TO64_LE

#define SIP_U8TO64_LE

(

p

)

Value:

  (((uint64_t)((p)[0]) << 0) | ((uint64_t)((p)[1]) << 8)                       \
   | ((uint64_t)((p)[2]) << 16) | ((uint64_t)((p)[3]) << 24)                   \
   | ((uint64_t)((p)[4]) << 32) | ((uint64_t)((p)[5]) << 40)                   \
   | ((uint64_t)((p)[6]) << 48) | ((uint64_t)((p)[7]) << 56))

Definition at line 123 of file siphash.h.

SIP_ULL

#define SIP_ULL	(		high,
			low
	)		((((uint64_t)high) << 32) | (low))

Definition at line 109 of file siphash.h.

SIPHASH_INITIALIZER

#define SIPHASH_INITIALIZER   {0, 0, 0, 0, {0}, 0, 0}

Definition at line 129 of file siphash.h.

Function Documentation

sip24_final()

static uint64_t sip24_final ( struct siphash *  H )

static

Definition at line 230 of file siphash.h.

sip24_init()

static struct siphash * sip24_init ( struct siphash *  H, const struct sipkey *  key  )

static

Definition at line 191 of file siphash.h.

sip24_update()

static struct siphash * sip24_update ( struct siphash *  H, const void *  src, size_t  len  )

static

Definition at line 206 of file siphash.h.

sip24_valid()

static int sip24_valid ( void  )

static

Definition at line 287 of file siphash.h.

sip_round()

static void sip_round ( struct siphash *  H, const int  rounds  )

static

Definition at line 166 of file siphash.h.

sip_tokey()

static struct sipkey * sip_tokey ( struct sipkey *  key, const void *  src  )

static

Definition at line 147 of file siphash.h.

siphash24()

static uint64_t siphash24 ( const void *  src, size_t  len, const struct sipkey *  key  )

static

Definition at line 270 of file siphash.h.