C++ (Cpp) _gnutls_gen_dhe_signature示例

示例#1

文件： ecdhe.c 项目： randombit/hacrypto

static int
gen_ecdhe_server_kx(gnutls_session_t session, gnutls_buffer_st * data)
{
	int ret = 0;
	gnutls_certificate_credentials_t cred;

	cred = (gnutls_certificate_credentials_t)
	    _gnutls_get_cred(session, GNUTLS_CRD_CERTIFICATE, NULL);
	if (cred == NULL) {
		gnutls_assert();
		return GNUTLS_E_INSUFFICIENT_CREDENTIALS;
	}

	if ((ret = _gnutls_auth_info_set(session, GNUTLS_CRD_CERTIFICATE,
					 sizeof(cert_auth_info_st),
					 0)) < 0) {
		gnutls_assert();
		return ret;
	}

	ret =
	    _gnutls_ecdh_common_print_server_kx(session, data,
						_gnutls_session_ecc_curve_get
						(session));
	if (ret < 0) {
		gnutls_assert();
		return ret;
	}

	/* Generate the signature. */
	return _gnutls_gen_dhe_signature(session, data, data->data,
					 data->length);
}

示例#2

文件： dhe.c 项目： vote539/gnutls

static int
gen_dhe_server_kx(gnutls_session_t session, gnutls_buffer_st * data)
{
	bigint_t g, p;
	const bigint_t *mpis;
	int ret = 0;
	gnutls_certificate_credentials_t cred;
	gnutls_dh_params_t dh_params;

	cred = (gnutls_certificate_credentials_t)
	    _gnutls_get_cred(session, GNUTLS_CRD_CERTIFICATE, NULL);
	if (cred == NULL) {
		gnutls_assert();
		return GNUTLS_E_INSUFFICIENT_CREDENTIALS;
	}


	if ((ret = _gnutls_auth_info_set(session, GNUTLS_CRD_CERTIFICATE,
					 sizeof(cert_auth_info_st),
					 0)) < 0) {
		gnutls_assert();
		return ret;
	}

	dh_params =
	    _gnutls_get_dh_params(cred->dh_params, cred->params_func,
				  session);
	mpis = _gnutls_dh_params_to_mpi(dh_params);
	if (mpis == NULL) {
		gnutls_assert();
		return GNUTLS_E_NO_TEMPORARY_DH_PARAMS;
	}

	p = mpis[0];
	g = mpis[1];

	_gnutls_dh_set_group(session, g, p);

	ret = _gnutls_set_dh_pk_params(session, g, p, dh_params->q_bits);
	if (ret < 0)
		return gnutls_assert_val(ret);

	ret =
	    _gnutls_dh_common_print_server_kx(session, data);
	if (ret < 0) {
		gnutls_assert();
		return ret;
	}

	/* Generate the signature. */
	return _gnutls_gen_dhe_signature(session, data, data->data,
					 data->length);
}

示例#3

文件： dhe.c 项目： gnutls/gnutls

static int
gen_dhe_server_kx(gnutls_session_t session, gnutls_buffer_st * data)
{
	int ret = 0;
	gnutls_certificate_credentials_t cred;
	unsigned sig_pos;

	cred = (gnutls_certificate_credentials_t)
	    _gnutls_get_cred(session, GNUTLS_CRD_CERTIFICATE);
	if (cred == NULL) {
		gnutls_assert();
		return GNUTLS_E_INSUFFICIENT_CREDENTIALS;
	}

	if ((ret = _gnutls_auth_info_init(session, GNUTLS_CRD_CERTIFICATE,
					 sizeof(cert_auth_info_st),
					 1)) < 0) {
		gnutls_assert();
		return ret;
	}

	ret =
	    _gnutls_figure_dh_params(session, cred->dh_params, cred->params_func, cred->dh_sec_param);
	if (ret < 0) {
		return gnutls_assert_val(ret);
	}

	sig_pos = data->length;

	ret =
	    _gnutls_dh_common_print_server_kx(session, data);
	if (ret < 0) {
		gnutls_assert();
		return ret;
	}

	/* Generate the signature. */
	return _gnutls_gen_dhe_signature(session, data, &data->data[sig_pos],
					 data->length-sig_pos);
}