* This file is part of the openHiTLS project.
*
* openHiTLS is licensed under the Mulan PSL v2.
* You can use this software according to the terms and conditions of the Mulan PSL v2.
* You may obtain a copy of Mulan PSL v2 at:
*
* http://license.coscl.org.cn/MulanPSL2
*
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PSL v2 for more details.
*/
#ifndef HS_COOKIE_H
#define HS_COOKIE_H
#include <stdint.h>
#include <stdbool.h>
#include "tls.h"
#include "hs_msg.h"
#ifdef __cplusplus
extern "C" {
#endif
* @brief Calculate the cookie
* The mackey is updated each time the number of times that Cookie_SECRET_LIFETIME is calculated.
*
* @param ctx [IN] Handshake context
* @param clientHello [IN] Parsed clientHello structure
* @param cookie [OUT] Calculated cookie
* @param cookieLen [OUT] Calculated cookie length.
* @param isCheck [IN] Indicates whether the calculation is used for cookie verification.
*
* @retval HITLS_SUCCESS succeeded.
* @retval For other error codes, see hitls_error.h.
*/
int32_t HS_CalcCookie(TLS_Ctx *ctx, const ClientHelloMsg *clientHello, uint8_t *cookie, uint32_t *cookieLen,
bool isCheck);
* @brief Verify the cookie.
* If the first cookie verification fails, the previous mackey is used for verification again.
*
* @param ctx [IN] Handshake context
* @param clientHello [IN] Parsed clientHello structure
* @param isCookieValid [OUT] Indicates whether the verification is successful.
*
* @retval HITLS_SUCCESS succeeded.
* @retval For other error codes, see hitls_error.h.
*/
int32_t HS_CheckCookie(TLS_Ctx *ctx, const ClientHelloMsg *clientHello, bool *isCookieValid);
#ifdef __cplusplus
}
#endif
#endif
