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hash_algs.h
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/*
* Copyright (C) 2017 - This file is part of libecc project
*
* Authors:
* Ryad BENADJILA <[email protected]>
* Arnaud EBALARD <[email protected]>
* Jean-Pierre FLORI <[email protected]>
*
* Contributors:
* Nicolas VIVET <[email protected]>
* Karim KHALFALLAH <[email protected]>
*
* This software is licensed under a dual BSD and GPL v2 license.
* See LICENSE file at the root folder of the project.
*/
#ifndef __HASH_ALGS_H__
#define __HASH_ALGS_H__
#include "../lib_ecc_config.h"
#include "../lib_ecc_types.h"
#include "../words/words.h"
#include "copy.h"
#include "sha224.h"
#include "sha256.h"
#include "sha384.h"
#include "sha512.h"
#include "sha512-224.h"
#include "sha512-256.h"
#include "sha3-224.h"
#include "sha3-256.h"
#include "sha3-384.h"
#include "sha3-512.h"
#include "../utils/utils.h"
#if (MAX_DIGEST_SIZE == 0)
#error "It seems you disabled all hash algorithmsin lib_ecc_config.h"
#endif
#if (MAX_BLOCK_SIZE == 0)
#error "It seems you disabled all hash algorithmsin lib_ecc_config.h"
#endif
typedef union {
#ifdef SHA224_BLOCK_SIZE
sha224_context sha224;
#endif
#ifdef SHA256_BLOCK_SIZE
sha256_context sha256;
#endif
#ifdef SHA384_BLOCK_SIZE
sha384_context sha384;
#endif
#ifdef SHA512_BLOCK_SIZE
sha512_context sha512;
#endif
#ifdef SHA512_224_BLOCK_SIZE
sha512_224_context sha512_224;
#endif
#ifdef SHA512_256_BLOCK_SIZE
sha512_256_context sha512_256;
#endif
#ifdef SHA3_224_BLOCK_SIZE
sha3_224_context sha3_224;
#endif
#ifdef SHA3_256_BLOCK_SIZE
sha3_256_context sha3_256;
#endif
#ifdef SHA3_384_BLOCK_SIZE
sha3_384_context sha3_384;
#endif
#ifdef SHA3_512_BLOCK_SIZE
sha3_512_context sha3_512;
#endif
} hash_context;
typedef void (*_hfunc_init) (hash_context * hctx);
typedef void (*_hfunc_update) (hash_context * hctx,
const unsigned char *chunk, u32 chunklen);
typedef void (*_hfunc_finalize) (hash_context * hctx, unsigned char *output);
typedef void (*_hfunc_scattered) (const unsigned char **inputs,
const u32 *ilens, unsigned char *output);
#define HASH_MAPPING_SANITY_CHECK(A) \
MUST_HAVE(((A) != NULL) && \
((A)->name != NULL) && \
((A)->hfunc_init != NULL) && \
((A)->hfunc_update != NULL) && \
((A)->hfunc_finalize != NULL) && \
((A)->hfunc_scattered != NULL))
/*
* All the hash algorithms we support are abstracted using the following
* structure (and following map) which provides for each hash alg its
* digest size, its block size and the associated scattered function.
*/
typedef struct {
hash_alg_type type;
const char *name;
u8 digest_size;
u8 block_size;
_hfunc_init hfunc_init;
_hfunc_update hfunc_update;
_hfunc_finalize hfunc_finalize;
_hfunc_scattered hfunc_scattered;
} hash_mapping;
#define MAX_HASH_ALG_NAME_LEN 0
static const hash_mapping hash_maps[] = {
#ifdef WITH_HASH_SHA224
{.type = SHA224, /* SHA224 */
.name = "SHA224",
.digest_size = SHA224_DIGEST_SIZE,
.block_size = SHA224_BLOCK_SIZE,
.hfunc_init = (_hfunc_init) sha224_init,
.hfunc_update = (_hfunc_update) sha224_update,
.hfunc_finalize = (_hfunc_finalize) sha224_final,
.hfunc_scattered = sha224_scattered},
#if (MAX_HASH_ALG_NAME_LEN < 7)
#undef MAX_HASH_ALG_NAME_LEN
#define MAX_HASH_ALG_NAME_LEN 7
#endif /* MAX_HASH_ALG_NAME_LEN */
#endif /* WITH_HASH_SHA224 */
#ifdef WITH_HASH_SHA256
{.type = SHA256, /* SHA256 */
.name = "SHA256",
.digest_size = SHA256_DIGEST_SIZE,
.block_size = SHA256_BLOCK_SIZE,
.hfunc_init = (_hfunc_init) sha256_init,
.hfunc_update = (_hfunc_update) sha256_update,
.hfunc_finalize = (_hfunc_finalize) sha256_final,
.hfunc_scattered = sha256_scattered},
#if (MAX_HASH_ALG_NAME_LEN < 7)
#undef MAX_HASH_ALG_NAME_LEN
#define MAX_HASH_ALG_NAME_LEN 7
#endif /* MAX_HASH_ALG_NAME_LEN */
#endif /* WITH_HASH_SHA256 */
#ifdef WITH_HASH_SHA384
{.type = SHA384, /* SHA384 */
.name = "SHA384",
.digest_size = SHA384_DIGEST_SIZE,
.block_size = SHA384_BLOCK_SIZE,
.hfunc_init = (_hfunc_init) sha384_init,
.hfunc_update = (_hfunc_update) sha384_update,
.hfunc_finalize = (_hfunc_finalize) sha384_final,
.hfunc_scattered = sha384_scattered},
#if (MAX_HASH_ALG_NAME_LEN < 7)
#undef MAX_HASH_ALG_NAME_LEN
#define MAX_HASH_ALG_NAME_LEN 7
#endif /* MAX_HASH_ALG_NAME_LEN */
#endif /* WITH_HASH_SHA384 */
#ifdef WITH_HASH_SHA512
{.type = SHA512, /* SHA512 */
.name = "SHA512",
.digest_size = SHA512_DIGEST_SIZE,
.block_size = SHA512_BLOCK_SIZE,
.hfunc_init = (_hfunc_init) sha512_init,
.hfunc_update = (_hfunc_update) sha512_update,
.hfunc_finalize = (_hfunc_finalize) sha512_final,
.hfunc_scattered = sha512_scattered},
#if (MAX_HASH_ALG_NAME_LEN < 7)
#undef MAX_HASH_ALG_NAME_LEN
#define MAX_HASH_ALG_NAME_LEN 7
#endif /* MAX_HASH_ALG_NAME_LEN */
#endif /* WITH_HASH_SHA512 */
#ifdef WITH_HASH_SHA512_224
{.type = SHA512_224, /* SHA512_224 */
.name = "SHA512_224",
.digest_size = SHA512_224_DIGEST_SIZE,
.block_size = SHA512_224_BLOCK_SIZE,
.hfunc_init = (_hfunc_init) sha512_224_init,
.hfunc_update = (_hfunc_update) sha512_224_update,
.hfunc_finalize = (_hfunc_finalize) sha512_224_final,
.hfunc_scattered = sha512_224_scattered},
#if (MAX_HASH_ALG_NAME_LEN < 7)
#undef MAX_HASH_ALG_NAME_LEN
#define MAX_HASH_ALG_NAME_LEN 7
#endif /* MAX_HASH_ALG_NAME_LEN */
#endif /* WITH_HASH_SHA512_224 */
#ifdef WITH_HASH_SHA512_256
{.type = SHA512_256, /* SHA512_256 */
.name = "SHA512_256",
.digest_size = SHA512_256_DIGEST_SIZE,
.block_size = SHA512_256_BLOCK_SIZE,
.hfunc_init = (_hfunc_init) sha512_256_init,
.hfunc_update = (_hfunc_update) sha512_256_update,
.hfunc_finalize = (_hfunc_finalize) sha512_256_final,
.hfunc_scattered = sha512_256_scattered},
#if (MAX_HASH_ALG_NAME_LEN < 7)
#undef MAX_HASH_ALG_NAME_LEN
#define MAX_HASH_ALG_NAME_LEN 7
#endif /* MAX_HASH_ALG_NAME_LEN */
#endif /* WITH_HASH_SHA512_256 */
#ifdef WITH_HASH_SHA3_224
{.type = SHA3_224, /* SHA3_224 */
.name = "SHA3_224",
.digest_size = SHA3_224_DIGEST_SIZE,
.block_size = SHA3_224_BLOCK_SIZE,
.hfunc_init = (_hfunc_init) sha3_224_init,
.hfunc_update = (_hfunc_update) sha3_224_update,
.hfunc_finalize = (_hfunc_finalize) sha3_224_final,
.hfunc_scattered = sha3_224_scattered},
#if (MAX_HASH_ALG_NAME_LEN < 9)
#undef MAX_HASH_ALG_NAME_LEN
#define MAX_HASH_ALG_NAME_LEN 9
#endif /* MAX_HASH_ALG_NAME_LEN */
#endif /* WITH_HASH_SHA3_224 */
#ifdef WITH_HASH_SHA3_256
{.type = SHA3_256, /* SHA3_256 */
.name = "SHA3_256",
.digest_size = SHA3_256_DIGEST_SIZE,
.block_size = SHA3_256_BLOCK_SIZE,
.hfunc_init = (_hfunc_init) sha3_256_init,
.hfunc_update = (_hfunc_update) sha3_256_update,
.hfunc_finalize = (_hfunc_finalize) sha3_256_final,
.hfunc_scattered = sha3_256_scattered},
#if (MAX_HASH_ALG_NAME_LEN < 9)
#undef MAX_HASH_ALG_NAME_LEN
#define MAX_HASH_ALG_NAME_LEN 9
#endif /* MAX_HASH_ALG_NAME_LEN */
#endif /* WITH_HASH_SHA3_256 */
#ifdef WITH_HASH_SHA3_384
{.type = SHA3_384, /* SHA3_384 */
.name = "SHA3_384",
.digest_size = SHA3_384_DIGEST_SIZE,
.block_size = SHA3_384_BLOCK_SIZE,
.hfunc_init = (_hfunc_init) sha3_384_init,
.hfunc_update = (_hfunc_update) sha3_384_update,
.hfunc_finalize = (_hfunc_finalize) sha3_384_final,
.hfunc_scattered = sha3_384_scattered},
#if (MAX_HASH_ALG_NAME_LEN < 9)
#undef MAX_HASH_ALG_NAME_LEN
#define MAX_HASH_ALG_NAME_LEN 9
#endif /* MAX_HASH_ALG_NAME_LEN */
#endif /* WITH_HASH_SHA3_384 */
#ifdef WITH_HASH_SHA3_512
{.type = SHA3_512, /* SHA3_512 */
.name = "SHA3_512",
.digest_size = SHA3_512_DIGEST_SIZE,
.block_size = SHA3_512_BLOCK_SIZE,
.hfunc_init = (_hfunc_init) sha3_512_init,
.hfunc_update = (_hfunc_update) sha3_512_update,
.hfunc_finalize = (_hfunc_finalize) sha3_512_final,
.hfunc_scattered = sha3_512_scattered},
#if (MAX_HASH_ALG_NAME_LEN < 9)
#undef MAX_HASH_ALG_NAME_LEN
#define MAX_HASH_ALG_NAME_LEN 9
#endif /* MAX_HASH_ALG_NAME_LEN */
#endif /* WITH_HASH_SHA3_512 */
{.type = COPY256,
.name = "COPY256",
.digest_size = COPY256_SIZE,
.block_size = COPY256_SIZE,
.hfunc_init = (_hfunc_init) copy256_init,
.hfunc_update = (_hfunc_update) copy256_update,
.hfunc_finalize = (_hfunc_finalize) copy256_final,
.hfunc_scattered = copy256_scattered},
{.type = UNKNOWN_HASH_ALG, /* Needs to be kept last */
.name = "UNKNOWN",
.digest_size = 0,
.block_size = 0,
.hfunc_init = NULL,
.hfunc_update = NULL,
.hfunc_finalize = NULL,
.hfunc_scattered = NULL},
};
const hash_mapping *get_hash_by_name(const char *hash_name);
const hash_mapping *get_hash_by_type(hash_alg_type hash_type);
int get_hash_sizes(hash_alg_type hash_type, u8 *digest_size, u8 *block_size);
#endif /* __HASH_ALGS_H__ */