You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
41 lines
993 B
41 lines
993 B
// keccak.h
|
|
// 19-Nov-11 Markku-Juhani O. Saarinen <mjos@iki.fi>
|
|
|
|
#ifndef KECCAK_H
|
|
#define KECCAK_H
|
|
|
|
#include <stdint.h>
|
|
#include <string.h>
|
|
|
|
#ifndef KECCAK_ROUNDS
|
|
#define KECCAK_ROUNDS 24
|
|
#endif
|
|
|
|
#ifndef ROTL64
|
|
#define ROTL64(x, y) (((x) << (y)) | ((x) >> (64 - (y))))
|
|
#endif
|
|
|
|
// SHA3 Algorithm context.
|
|
typedef struct KECCAK_CTX
|
|
{
|
|
// 1600 bits algorithm hashing state
|
|
uint64_t hash[25];
|
|
// 1088-bit buffer for leftovers, block size = 136 B for 256-bit keccak
|
|
uint64_t message[17];
|
|
// count of bytes in the message[] buffer
|
|
size_t rest;
|
|
} KECCAK_CTX;
|
|
|
|
// compute a keccak hash (md) of given byte length from "in"
|
|
void keccak(const uint8_t *in, size_t inlen, uint8_t *md, int mdlen);
|
|
|
|
// update the state
|
|
void keccakf(uint64_t st[25], int norounds);
|
|
|
|
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);
|
|
#endif
|