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hmactest.c

#include <stdio.h>
#include <stdlib.h>
#include <sys/time.h>
#include <string.h>
#include "global.h"
#include "md5.h"
#include "hmac_md5.h"

static
void pad0_copy(char *d, char *s, int sz)
{
  int i = 0;
  while(*s && (i < sz)) { *(d++) = *(s++); i++; }
  while(i <= sz) { *(d++) = 0; i++; }
}

int main()
{
  int i;
  //  unsigned char digest[16];
  char digest[16];
  char *msgid = "<1896.697170952@postoffice.reston.mci.net>";
  char secret[65];

  hmac_md5("<48157.953508124@mail.class-c.net>", 34,
         "no!SpamAtAll", 12, digest);
  for(i = 0; i < 16; i++)
    printf("%x", (unsigned int)digest[i]);
  printf("\n");

  hmac_md5(msgid, strlen(msgid),
          "tanstaaftanstaaf", 16, digest);
  for(i = 0; i < 16; i++)
    printf("%x", (unsigned int)digest[i]);
  printf("\n");

  pad0_copy(secret, "tanstaaftanstaaf", 64);
  hmac_md5(msgid, strlen(msgid),
          secret, 64, digest);
  for(i = 0; i < 16; i++)
    printf("%x", (unsigned int)digest[i]);
  printf("\n");

  exit(0);
}


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