crypto/hmac-md4.c

   1 /* hmac-md4.c
   2  *
   3  * HMAC-MD4 message authentication code.
   4  */
   5
   6 /* nettle, low-level cryptographics library
   7  *
   8  * Copyright (C) 2003 Simon Josefsson
   9  * Copyright (C) 2002 Niels Möller
  10  *
  11  * The nettle library is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU Lesser General Public License as published by
  13  * the Free Software Foundation; either version 2.1 of the License, or (at your
  14  * option) any later version.
  15  *
  16  * The nettle library is distributed in the hope that it will be useful, but
  17  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  18  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
  19  * License for more details.
  20  *
  21  * You should have received a copy of the GNU Lesser General Public License
  22  * along with the nettle library; see the file COPYING.LIB.  If not, write to
  23  * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
  24  * MA 02111-1307, USA.
  25  */
  26
  27 #include "hmac.h"
  28
  29 void
  30 hmac_md4_set_key(struct hmac_md4_ctx *ctx,
  31                  unsigned key_length, const uint8_t *key)
  32 {
  33   HMAC_SET_KEY(ctx, &nettle_md4, key_length, key);
  34 }
  35
  36 void
  37 hmac_md4_update(struct hmac_md4_ctx *ctx,
  38                 unsigned length, const uint8_t *data)
  39 {
  40   md4_update(&ctx->state, length, data);
  41 }
  42
  43 void
  44 hmac_md4_digest(struct hmac_md4_ctx *ctx,
  45                 unsigned length, uint8_t *digest)
  46 {
  47   HMAC_DIGEST(ctx, &nettle_md4, length, digest);
  48 }