contrib/restricted/aws/s2n/tls/s2n_key_update.h


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/* 
 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. 
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"). 
 * You may not use this file except in compliance with the License. 
 * A copy of the License is located at 
 * 
 *  http://aws.amazon.com/apache2.0 
 * 
 * or in the "license" file accompanying this file. This file is distributed 
 * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either 
 * express or implied. See the License for the specific language governing 
 * permissions and limitations under the License. 
 */ 
 
#pragma once 
 
#include "tls/s2n_connection.h" 
 
#define S2N_KEY_UPDATE_MESSAGE_SIZE  5 
#define S2N_KEY_UPDATE_LENGTH        1 
 
typedef enum { 
    SENDING=0, 
    RECEIVING 
} keyupdate_status; 
 
typedef enum { 
    S2N_KEY_UPDATE_NOT_REQUESTED=0, 
    S2N_KEY_UPDATE_REQUESTED 
} keyupdate_request; 
 
int s2n_key_update_recv(struct s2n_connection *conn, struct s2n_stuffer *request); 
int s2n_key_update_send(struct s2n_connection *conn);