/* LibTomCrypt, modular cryptographic library -- Tom St Denis
 *
 * LibTomCrypt is a library that provides various cryptographic
 * algorithms in a highly modular and flexible manner.
 *
 * The library is free for all purposes without any express
 * guarantee it works.
 */

#define DESC_DEF_ONLY
#include "tomcrypt.h"

#ifdef GMP_DESC

#include <stdio.h>
#include <gmp.h>

static int init(void **a)
{
   LTC_ARGCHK(a != NULL);

   *a = XCALLOC(1, sizeof(__mpz_struct));
   if (*a == NULL) {
      return CRYPT_MEM;
   }
   mpz_init(((__mpz_struct *)*a));
   return CRYPT_OK;
}

static void deinit(void *a)
{
   LTC_ARGCHKVD(a != NULL);
   mpz_clear(a);
   XFREE(a);
}

static int neg(void *a, void *b)
{
   LTC_ARGCHK(a != NULL);
   LTC_ARGCHK(b != NULL);
   mpz_neg(b, a);
   return CRYPT_OK;
}

static int copy(void *a, void *b)
{
   LTC_ARGCHK(a != NULL);
   LTC_ARGCHK(b != NULL);
   mpz_set(b, a);
   return CRYPT_OK;
}

static int init_copy(void **a, void *b)
{
   if (init(a) != CRYPT_OK) {
      return CRYPT_MEM;
   }
   return copy(b, *a);
}

/* ---- trivial ---- */
static int set_int(void *a, ltc_mp_digit b)
{
   LTC_ARGCHK(a != NULL);
   mpz_set_ui(((__mpz_struct *)a), b);
   return CRYPT_OK;
}

static unsigned long get_int(void *a)
{
   LTC_ARGCHK(a != NULL);
   return mpz_get_ui(a);
}

static ltc_mp_digit get_digit(void *a, int n)
{
   LTC_ARGCHK(a != NULL);
   return mpz_getlimbn(a, n);
}

static int get_digit_count(void *a)
{
   LTC_ARGCHK(a != NULL);
   return mpz_size(a);
}

static int compare(void *a, void *b)