211 lines
5.7 KiB
C
211 lines
5.7 KiB
C
/* hmac.h
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HMAC message authentication code (RFC-2104).
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Copyright (C) 2001, 2002 Niels Möller
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This file is part of GNU Nettle.
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GNU Nettle is free software: you can redistribute it and/or
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modify it under the terms of either:
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* the GNU Lesser General Public License as published by the Free
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Software Foundation; either version 3 of the License, or (at your
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option) any later version.
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or
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* the GNU General Public License as published by the Free
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Software Foundation; either version 2 of the License, or (at your
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option) any later version.
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or both in parallel, as here.
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GNU Nettle is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received copies of the GNU General Public License and
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the GNU Lesser General Public License along with this program. If
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not, see http://www.gnu.org/licenses/.
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*/
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#ifndef NETTLE_HMAC_H_INCLUDED
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#define NETTLE_HMAC_H_INCLUDED
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#include "nettle-meta.h"
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#include "md5.h"
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#include "ripemd160.h"
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#include "sha1.h"
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#include "sha2.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Namespace mangling */
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#define hmac_set_key nettle_hmac_set_key
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#define hmac_update nettle_hmac_update
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#define hmac_digest nettle_hmac_digest
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#define hmac_md5_set_key nettle_hmac_md5_set_key
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#define hmac_md5_update nettle_hmac_md5_update
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#define hmac_md5_digest nettle_hmac_md5_digest
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#define hmac_ripemd160_set_key nettle_hmac_ripemd160_set_key
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#define hmac_ripemd160_update nettle_hmac_ripemd160_update
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#define hmac_ripemd160_digest nettle_hmac_ripemd160_digest
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#define hmac_sha1_set_key nettle_hmac_sha1_set_key
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#define hmac_sha1_update nettle_hmac_sha1_update
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#define hmac_sha1_digest nettle_hmac_sha1_digest
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#define hmac_sha224_set_key nettle_hmac_sha224_set_key
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#define hmac_sha224_digest nettle_hmac_sha224_digest
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#define hmac_sha256_set_key nettle_hmac_sha256_set_key
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#define hmac_sha256_update nettle_hmac_sha256_update
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#define hmac_sha256_digest nettle_hmac_sha256_digest
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#define hmac_sha384_set_key nettle_hmac_sha384_set_key
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#define hmac_sha384_digest nettle_hmac_sha384_digest
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#define hmac_sha512_set_key nettle_hmac_sha512_set_key
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#define hmac_sha512_update nettle_hmac_sha512_update
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#define hmac_sha512_digest nettle_hmac_sha512_digest
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void
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hmac_set_key(void *outer, void *inner, void *state,
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const struct nettle_hash *hash,
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size_t length, const uint8_t *key);
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/* This function is not strictly needed, it's s just the same as the
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* hash update function. */
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void
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hmac_update(void *state,
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const struct nettle_hash *hash,
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size_t length, const uint8_t *data);
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void
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hmac_digest(const void *outer, const void *inner, void *state,
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const struct nettle_hash *hash,
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size_t length, uint8_t *digest);
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#define HMAC_CTX(type) \
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{ type outer; type inner; type state; }
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#define HMAC_SET_KEY(ctx, hash, length, key) \
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hmac_set_key( &(ctx)->outer, &(ctx)->inner, &(ctx)->state, \
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(hash), (length), (key) )
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#define HMAC_DIGEST(ctx, hash, length, digest) \
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hmac_digest( &(ctx)->outer, &(ctx)->inner, &(ctx)->state, \
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(hash), (length), (digest) )
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/* HMAC using specific hash functions */
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/* hmac-md5 */
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struct hmac_md5_ctx HMAC_CTX(struct md5_ctx);
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void
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hmac_md5_set_key(struct hmac_md5_ctx *ctx,
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size_t key_length, const uint8_t *key);
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void
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hmac_md5_update(struct hmac_md5_ctx *ctx,
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size_t length, const uint8_t *data);
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void
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hmac_md5_digest(struct hmac_md5_ctx *ctx,
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size_t length, uint8_t *digest);
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/* hmac-ripemd160 */
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struct hmac_ripemd160_ctx HMAC_CTX(struct ripemd160_ctx);
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void
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hmac_ripemd160_set_key(struct hmac_ripemd160_ctx *ctx,
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size_t key_length, const uint8_t *key);
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void
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hmac_ripemd160_update(struct hmac_ripemd160_ctx *ctx,
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size_t length, const uint8_t *data);
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void
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hmac_ripemd160_digest(struct hmac_ripemd160_ctx *ctx,
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size_t length, uint8_t *digest);
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/* hmac-sha1 */
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struct hmac_sha1_ctx HMAC_CTX(struct sha1_ctx);
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void
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hmac_sha1_set_key(struct hmac_sha1_ctx *ctx,
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size_t key_length, const uint8_t *key);
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void
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hmac_sha1_update(struct hmac_sha1_ctx *ctx,
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size_t length, const uint8_t *data);
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void
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hmac_sha1_digest(struct hmac_sha1_ctx *ctx,
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size_t length, uint8_t *digest);
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/* hmac-sha256 */
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struct hmac_sha256_ctx HMAC_CTX(struct sha256_ctx);
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void
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hmac_sha256_set_key(struct hmac_sha256_ctx *ctx,
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size_t key_length, const uint8_t *key);
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void
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hmac_sha256_update(struct hmac_sha256_ctx *ctx,
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size_t length, const uint8_t *data);
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void
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hmac_sha256_digest(struct hmac_sha256_ctx *ctx,
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size_t length, uint8_t *digest);
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/* hmac-sha224 */
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#define hmac_sha224_ctx hmac_sha256_ctx
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void
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hmac_sha224_set_key(struct hmac_sha224_ctx *ctx,
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size_t key_length, const uint8_t *key);
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#define hmac_sha224_update nettle_hmac_sha256_update
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void
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hmac_sha224_digest(struct hmac_sha224_ctx *ctx,
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size_t length, uint8_t *digest);
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/* hmac-sha512 */
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struct hmac_sha512_ctx HMAC_CTX(struct sha512_ctx);
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void
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hmac_sha512_set_key(struct hmac_sha512_ctx *ctx,
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size_t key_length, const uint8_t *key);
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void
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hmac_sha512_update(struct hmac_sha512_ctx *ctx,
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size_t length, const uint8_t *data);
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void
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hmac_sha512_digest(struct hmac_sha512_ctx *ctx,
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size_t length, uint8_t *digest);
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/* hmac-sha384 */
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#define hmac_sha384_ctx hmac_sha512_ctx
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void
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hmac_sha384_set_key(struct hmac_sha512_ctx *ctx,
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size_t key_length, const uint8_t *key);
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#define hmac_sha384_update nettle_hmac_sha512_update
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void
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hmac_sha384_digest(struct hmac_sha512_ctx *ctx,
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size_t length, uint8_t *digest);
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#ifdef __cplusplus
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}
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#endif
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#endif /* NETTLE_HMAC_H_INCLUDED */
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