avr-crypto-lib/sha256-asm.h

33 lines
725 B
C

/**
* \file sha256-asm.h
* \author Daniel Otte
* \date 16.05.2006
* \par License
* GPL
*
*/
#ifndef SHA256ASM_H_
#define SHA256ASM_H_
#define SHA256_HASH_BITS 256
#define SHA256_BLOCK_BITS 512
typedef struct {
uint32_t h[8];
uint64_t length;
} sha256_ctx_t;
typedef uint8_t sha256_hash_t[SHA256_HASH_BITS/8];
void sha256_ctx2hash(sha256_hash_t *dest, sha256_ctx_t *state);
void sha256(sha256_hash_t *dest, void* msg, uint32_t length);
void sha256_init(sha256_ctx_t *state);
void sha256_nextBlock(sha256_ctx_t *state, void* block);
void sha256_lastBlock(sha256_ctx_t *state, void* block, uint16_t length);
uint32_t rotr32(uint32_t, uint8_t);
uint32_t change_endian32(uint32_t x);
#endif /*SHA256ASM_H_*/