sha1/hmac.c

   1 /*
   2 ** Copyright 2001-2005 Double Precision, Inc.
   3 ** See COPYING for distribution information.
   4 */
   5 #define SHA1_INTERNAL
   6 #include        "sha1.h"
   7 #include        "../libhmac/hmac.h"
   8
   9 static const char rcsid[]="$Id: hmac.c,v 1.2 2005/02/21 03:18:30 mrsam Exp $";
  10
  11 static void alloc_context_sha1( void (*func)(void *, void *), void *arg)
  12 {
  13 struct  SHA1_CONTEXT c;
  14
  15         (*func)((void *)&c, arg);
  16 }
  17
  18 static void alloc_hash_sha1( void (*func)(unsigned char *, void *), void *arg)
  19 {
  20 unsigned char c[SHA1_DIGEST_SIZE];
  21
  22         (*func)(c, arg);
  23 }
  24
  25 struct hmac_hashinfo hmac_sha1 = {
  26         "sha1",
  27         SHA1_BLOCK_SIZE,
  28         SHA1_DIGEST_SIZE,
  29         sizeof(struct SHA1_CONTEXT),
  30         (void (*)(void *))sha1_context_init,
  31         (void (*)(void *, const void *, unsigned))sha1_context_hashstream,
  32         (void (*)(void *, unsigned long))sha1_context_endstream,
  33         (void (*)(void *, unsigned char *))sha1_context_digest,
  34         (void (*)(void *, const unsigned char *))sha1_context_restore,
  35         alloc_context_sha1,
  36         alloc_hash_sha1};
  37
  38 static void alloc_context_sha256( void (*func)(void *, void *), void *arg)
  39 {
  40 struct  SHA256_CONTEXT c;
  41
  42         (*func)((void *)&c, arg);
  43 }
  44
  45 static void alloc_hash_sha256( void (*func)(unsigned char *, void *), void *arg)
  46 {
  47 unsigned char c[SHA256_DIGEST_SIZE];
  48
  49         (*func)(c, arg);
  50 }
  51
  52 struct hmac_hashinfo hmac_sha256 = {
  53         "sha256",
  54         SHA256_BLOCK_SIZE,
  55         SHA256_DIGEST_SIZE,
  56         sizeof(struct SHA256_CONTEXT),
  57         (void (*)(void *))sha256_context_init,
  58         (void (*)(void *, const void *, unsigned))sha256_context_hashstream,
  59         (void (*)(void *, unsigned long))sha256_context_endstream,
  60         (void (*)(void *, unsigned char *))sha256_context_digest,
  61         (void (*)(void *, const unsigned char *))sha256_context_restore,
  62         alloc_context_sha256,
  63         alloc_hash_sha256};