keccak.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "int-util.h"
#include "hash-ops.h"
#include "keccak.h"

Include dependency graph for keccak.c:

Macros
#define	KECCAK_FINALIZED   0x80000000
#define	KECCAK_BLOCKLEN   136
#define	KECCAK_WORDS   17
#define	KECCAK_DIGESTSIZE   32
#define	IS_ALIGNED_64(p)   (0 == (7 & ((const char*)(p) - (const char*)0)))
#define	KECCAK_PROCESS_BLOCK(st, block)

Typedefs
typedef uint64_t	state_t[25]

Functions
static void	local_abort (const char *msg)
void	keccakf (uint64_t st[25], int rounds)
void	keccak (const uint8_t *in, size_t inlen, uint8_t *md, int mdlen)
void	keccak1600 (const uint8_t *in, size_t inlen, uint8_t *md)
void	keccak_init (KECCAK_CTX *ctx)
void	keccak_update (KECCAK_CTX *ctx, const uint8_t *in, size_t inlen)
void	keccak_finish (KECCAK_CTX *ctx, uint8_t *md)

Variables
const uint64_t	keccakf_rndc [24]
const int	keccakf_rotc [24]
const int	keccakf_piln [24]

Macro Definition Documentation

IS_ALIGNED_64

#define IS_ALIGNED_64

(

p

)

(0 == (7 & ((const char*)(p) - (const char*)0)))

KECCAK_BLOCKLEN

#define KECCAK_BLOCKLEN   136

KECCAK_DIGESTSIZE

#define KECCAK_DIGESTSIZE   32

KECCAK_FINALIZED

#define KECCAK_FINALIZED   0x80000000

KECCAK_PROCESS_BLOCK

#define KECCAK_PROCESS_BLOCK	(		st,
			block
	)

Value:

    { \
    for (int i_ = 0; i_ < KECCAK_WORDS; i_++){ \
        ((st))[i_] ^= swap64le(((block))[i_]); \
    }; \
    keccakf(st, KECCAK_ROUNDS); }

KECCAK_WORDS

#define KECCAK_WORDS   17

Typedef Documentation

state_t

typedef uint64_t state_t[25]

Function Documentation

keccak()

void keccak	(	const uint8_t *	in,
		size_t	inlen,
		uint8_t *	md,
		int	mdlen
	)

keccak1600()

void keccak1600	(	const uint8_t *	in,
		size_t	inlen,
		uint8_t *	md
	)

keccak_finish()

void keccak_finish	(	KECCAK_CTX *	ctx,
		uint8_t *	md
	)

keccak_init()

void keccak_init

(

KECCAK_CTX *

ctx

)

keccak_update()

void keccak_update	(	KECCAK_CTX *	ctx,
		const uint8_t *	in,
		size_t	inlen
	)

keccakf()

void keccakf	(	uint64_t	st[25],
		int	rounds
	)

local_abort()

static void local_abort ( const char *  msg )

static

Variable Documentation

keccakf_piln

const int keccakf_piln[24]

Initial value:

= 
{
    10, 7,  11, 17, 18, 3, 5,  16, 8,  21, 24, 4, 
    15, 23, 19, 13, 12, 2, 20, 14, 22, 9,  6,  1 
}

keccakf_rndc

const uint64_t keccakf_rndc[24]

Initial value:

= 
{
    0x0000000000000001, 0x0000000000008082, 0x800000000000808a,
    0x8000000080008000, 0x000000000000808b, 0x0000000080000001,
    0x8000000080008081, 0x8000000000008009, 0x000000000000008a,
    0x0000000000000088, 0x0000000080008009, 0x000000008000000a,
    0x000000008000808b, 0x800000000000008b, 0x8000000000008089,
    0x8000000000008003, 0x8000000000008002, 0x8000000000000080, 
    0x000000000000800a, 0x800000008000000a, 0x8000000080008081,
    0x8000000000008080, 0x0000000080000001, 0x8000000080008008
}

keccakf_rotc

const int keccakf_rotc[24]

Initial value:

= 
{
    1,  3,  6,  10, 15, 21, 28, 36, 45, 55, 2,  14, 
    27, 41, 56, 8,  25, 43, 62, 18, 39, 61, 20, 44
}