C++ (Cpp) calc_rsa_exp示例

示例#1

文件： pk.c 项目： intgr/gnutls

static int
wrap_nettle_pk_fixup (gnutls_pk_algorithm_t algo,
                      gnutls_direction_t direction,
                      gnutls_pk_params_st * params)
{
  int result;

  if (direction == GNUTLS_IMPORT && algo == GNUTLS_PK_RSA)
    {
      /* do not trust the generated values. Some old private keys
       * generated by us have mess on the values. Those were very
       * old but it seemed some of the shipped example private
       * keys were as old.
       */
      mpz_invert (TOMPZ (params->params[RSA_COEF]),
                  TOMPZ (params->params[RSA_PRIME2]), TOMPZ (params->params[RSA_PRIME1]));

      /* calculate exp1 [6] and exp2 [7] */
      _gnutls_mpi_release (&params->params[RSA_E1]);
      _gnutls_mpi_release (&params->params[RSA_E2]);

      result = calc_rsa_exp (params);
      if (result < 0)
        {
          gnutls_assert ();
          return result;
        }
      params->params_nr = RSA_PRIVATE_PARAMS;
    }

  return 0;
}

示例#2

文件： pk.c 项目： Drakey83/steamlink-sdk

static int
wrap_nettle_pk_fixup(gnutls_pk_algorithm_t algo,
		     gnutls_direction_t direction,
		     gnutls_pk_params_st * params)
{
	int ret;

	if (direction == GNUTLS_IMPORT && algo == GNUTLS_PK_RSA) {
		/* do not trust the generated values. Some old private keys
		 * generated by us have mess on the values. Those were very
		 * old but it seemed some of the shipped example private
		 * keys were as old.
		 */
		if (params->params_nr < RSA_PRIVATE_PARAMS - 3)
			return gnutls_assert_val(GNUTLS_E_INVALID_REQUEST);

		if (params->params[RSA_COEF] == NULL) {
			ret = _gnutls_mpi_init(&params->params[RSA_COEF]);
			if (ret < 0)
				return gnutls_assert_val(ret);
		}
		mpz_invert(TOMPZ(params->params[RSA_COEF]),
			   TOMPZ(params->params[RSA_PRIME2]),
			   TOMPZ(params->params[RSA_PRIME1]));

		/* calculate exp1 [6] and exp2 [7] */
		zrelease_mpi_key(&params->params[RSA_E1]);
		zrelease_mpi_key(&params->params[RSA_E2]);

		ret = calc_rsa_exp(params);
		if (ret < 0)
			return gnutls_assert_val(ret);

		params->params_nr = RSA_PRIVATE_PARAMS;
	}

	return 0;
}