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syntax.txt

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    • Martin Nilsson's avatar
      910fe1ac
      Moved autodoc documentation. · 910fe1ac
      Martin Nilsson authored
      Rev: .autodoc_inlining:1.3(DEAD)
      Rev: .autodoc_keywords:1.5(DEAD)
      Rev: .autodoc_syntax:1.3(DEAD)
      Rev: .autodoc_xml:1.5(DEAD)
      Rev: refdoc/inlining.txt:1.1
      Rev: refdoc/keywords.txt:1.1
      Rev: refdoc/syntax.txt:1.1
      Rev: refdoc/xml.txt:1.1
      910fe1ac
      History
      Moved autodoc documentation.
      Martin Nilsson authored
      Rev: .autodoc_inlining:1.3(DEAD)
      Rev: .autodoc_keywords:1.5(DEAD)
      Rev: .autodoc_syntax:1.3(DEAD)
      Rev: .autodoc_xml:1.5(DEAD)
      Rev: refdoc/inlining.txt:1.1
      Rev: refdoc/keywords.txt:1.1
      Rev: refdoc/syntax.txt:1.1
      Rev: refdoc/xml.txt:1.1
    hmac.h 3.02 KiB
    /* hmac.h
     *
     * HMAC message authentication code (RFC-2104).
     */
    
    /* nettle, low-level cryptographics library
     *
     * Copyright (C) 2001, 2002 Niels Mller
     *  
     * The nettle library is free software; you can redistribute it and/or modify
     * it under the terms of the GNU Lesser General Public License as published by
     * the Free Software Foundation; either version 2.1 of the License, or (at your
     * option) any later version.
     * 
     * The nettle library is distributed in the hope that it will be useful, but
     * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
     * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
     * License for more details.
     * 
     * You should have received a copy of the GNU Lesser General Public License
     * along with the nettle library; see the file COPYING.LIB.  If not, write to
     * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
     * MA 02111-1307, USA.
     */
    
    #ifndef NETTLE_HMAC_H_INCLUDED
    #define NETTLE_HMAC_H_INCLUDED
    
    #include "nettle-meta.h"
    
    #include "md5.h"
    #include "sha.h"
    
    #include <inttypes.h>
    
    void
    hmac_set_key(void *outer, void *inner, void *state,
    	     const struct nettle_hash *hash,
    	     unsigned length, const uint8_t *key);
    
    /* This function is not strictly needed, it's s just the same as the
     * hash update function. */
    void
    hmac_update(void *state,
    	    const struct nettle_hash *hash,
    	    unsigned length, const uint8_t *data);
    
    void
    hmac_digest(const void *outer, const void *inner, void *state,
    	    const struct nettle_hash *hash,
    	    unsigned length, uint8_t *digest);
    
    
    #define HMAC_CTX(type) \
    { type outer; type inner; type state; }
    
    #define HMAC_SET_KEY(ctx, hash, length, key)			\
      hmac_set_key( &(ctx)->outer, &(ctx)->inner, &(ctx)->state,	\
                    (hash), (length), (key) )
    
    #define HMAC_DIGEST(ctx, hash, length, digest)			\
      hmac_digest( &(ctx)->outer, &(ctx)->inner, &(ctx)->state,	\
                   (hash), (length), (digest) )
    
    /* HMAC using specific hash functions */
    
    /* hmac-md5 */
    struct hmac_md5_ctx HMAC_CTX(struct md5_ctx);
    
    void
    hmac_md5_set_key(struct hmac_md5_ctx *ctx,
    		 unsigned key_length, const uint8_t *key);
    
    void
    hmac_md5_update(struct hmac_md5_ctx *ctx,
    		unsigned length, const uint8_t *data);
    
    void
    hmac_md5_digest(struct hmac_md5_ctx *ctx,
    		unsigned length, uint8_t *digest);
    
    
    /* hmac-sha1 */
    struct hmac_sha1_ctx HMAC_CTX(struct sha1_ctx);
    
    void
    hmac_sha1_set_key(struct hmac_sha1_ctx *ctx,
    		  unsigned key_length, const uint8_t *key);
    
    void
    hmac_sha1_update(struct hmac_sha1_ctx *ctx,
    		 unsigned length, const uint8_t *data);
    
    void
    hmac_sha1_digest(struct hmac_sha1_ctx *ctx,
    		 unsigned length, uint8_t *digest);
    
    /* hmac-sha256 */
    struct hmac_sha256_ctx HMAC_CTX(struct sha256_ctx);
    
    void
    hmac_sha256_set_key(struct hmac_sha256_ctx *ctx,
    		    unsigned key_length, const uint8_t *key);
    
    void
    hmac_sha256_update(struct hmac_sha256_ctx *ctx,
    		   unsigned length, const uint8_t *data);
    
    void
    hmac_sha256_digest(struct hmac_sha256_ctx *ctx,
    		   unsigned length, uint8_t *digest);
    
    #endif /* NETTLE_HMAC_H_INCLUDED */