libs/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
  10 static void alloc_context_sha1( void (*func)(void *, void *), void *arg)
  11 {
  12 struct  SHA1_CONTEXT c;
  13
  14         (*func)((void *)&c, arg);
  15 }
  16
  17 static void alloc_hash_sha1( void (*func)(unsigned char *, void *), void *arg)
  18 {
  19 unsigned char c[SHA1_DIGEST_SIZE];
  20
  21         (*func)(c, arg);
  22 }
  23
  24 struct hmac_hashinfo hmac_sha1 = {
  25         "sha1",
  26         SHA1_BLOCK_SIZE,
  27         SHA1_DIGEST_SIZE,
  28         sizeof(struct SHA1_CONTEXT),
  29         (void (*)(void *))sha1_context_init,
  30         (void (*)(void *, const void *, unsigned))sha1_context_hashstream,
  31         (void (*)(void *, unsigned long))sha1_context_endstream,
  32         (void (*)(void *, unsigned char *))sha1_context_digest,
  33         (void (*)(void *, const unsigned char *))sha1_context_restore,
  34         alloc_context_sha1,
  35         alloc_hash_sha1};
  36
  37 static void alloc_context_sha256( void (*func)(void *, void *), void *arg)
  38 {
  39 struct  SHA256_CONTEXT c;
  40
  41         (*func)((void *)&c, arg);
  42 }
  43
  44 static void alloc_hash_sha256( void (*func)(unsigned char *, void *), void *arg)
  45 {
  46 unsigned char c[SHA256_DIGEST_SIZE];
  47
  48         (*func)(c, arg);
  49 }
  50
  51 struct hmac_hashinfo hmac_sha256 = {
  52         "sha256",
  53         SHA256_BLOCK_SIZE,
  54         SHA256_DIGEST_SIZE,
  55         sizeof(struct SHA256_CONTEXT),
  56         (void (*)(void *))sha256_context_init,
  57         (void (*)(void *, const void *, unsigned))sha256_context_hashstream,
  58         (void (*)(void *, unsigned long))sha256_context_endstream,
  59         (void (*)(void *, unsigned char *))sha256_context_digest,
  60         (void (*)(void *, const unsigned char *))sha256_context_restore,
  61         alloc_context_sha256,
  62         alloc_hash_sha256};