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       1                 :            : /*
       2                 :            :  * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
       3                 :            :  *
       4                 :            :  * Licensed under the Apache License, Version 2.0 (the "License").
       5                 :            :  * You may not use this file except in compliance with the License.
       6                 :            :  * A copy of the License is located at
       7                 :            :  *
       8                 :            :  *  http://aws.amazon.com/apache2.0
       9                 :            :  *
      10                 :            :  * or in the "license" file accompanying this file. This file is distributed
      11                 :            :  * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
      12                 :            :  * express or implied. See the License for the specific language governing
      13                 :            :  * permissions and limitations under the License.
      14                 :            :  */
      15                 :            : 
      16                 :            : #pragma once
      17                 :            : 
      18                 :            : #include "stuffer/s2n_stuffer.h"
      19                 :            : #include "tls/extensions/s2n_extension_type.h"
      20                 :            : #include "tls/s2n_connection.h"
      21                 :            : 
      22                 :       6294 : #define S2N_SUPPORTED_GROUP_SIZE 2
      23                 :            : 
      24                 :            : extern const s2n_extension_type s2n_client_supported_groups_extension;
      25                 :            : bool s2n_extension_should_send_if_ecc_enabled(struct s2n_connection *conn);
      26                 :            : 
      27                 :            : S2N_RESULT s2n_supported_groups_parse_count(struct s2n_stuffer *extension, uint16_t *count);
      28                 :            : 
      29                 :            : /* Old-style extension functions -- remove after extensions refactor is complete */
      30                 :            : int s2n_recv_client_supported_groups(struct s2n_connection *conn, struct s2n_stuffer *extension);