libs/md5/hmac.c

   1 /*
   2 ** Copyright 1998 - 1999 Double Precision, Inc.
   3 ** See COPYING for distribution information.
   4 */
   5
   6 #define MD5_INTERNAL
   7 #include        "md5.h"
   8 #include        "../libhmac/hmac.h"
   9
  10 static void alloc_context( void (*func)(void *, void *), void *arg)
  11 {
  12 struct  MD5_CONTEXT c;
  13
  14         (*func)((void *)&c, arg);
  15 }
  16
  17 static void alloc_hash( void (*func)(unsigned char *, void *), void *arg)
  18 {
  19 unsigned char c[MD5_DIGEST_SIZE];
  20
  21         (*func)(c, arg);
  22 }
  23
  24 struct hmac_hashinfo hmac_md5 = {
  25         "md5",
  26         MD5_BLOCK_SIZE,
  27         MD5_DIGEST_SIZE,
  28         sizeof(struct MD5_CONTEXT),
  29         (void (*)(void *))md5_context_init,
  30         (void (*)(void *, const void *, unsigned))md5_context_hashstream,
  31         (void (*)(void *, unsigned long))md5_context_endstream,
  32         (void (*)(void *, unsigned char *))md5_context_digest,
  33         (void (*)(void *, const unsigned char *))md5_context_restore,
  34         alloc_context,
  35         alloc_hash};