text: /**
   * \file ssl_ciphersuites.h
   *
   * \brief SSL Ciphersuites for mbed TLS
   *
   *  Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
   *  SPDX-License-Identifier: Apache-2.0
   *
   *  Licensed under the Apache License, Version 2.0 (the "License"); you may
   *  not use this file except in compliance with the License.
   *  You may obtain a copy of the License at
   *
   *  http://www.apache.org/licenses/LICENSE-2.0
   *
   *  Unless required by applicable law or agreed to in writing, software
   *  distributed under the License 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.
   *
   *  This file is part of mbed TLS (https://tls.mbed.org)
   */
  #ifndef MBEDTLS_SSL_CIPHERSUITES_H
  #define MBEDTLS_SSL_CIPHERSUITES_H
  
  #include "mbedtls_pk.h"
  #include "mbedtls_cipher.h"
  #include "mbedtls_md.h"
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  /*
   * Supported ciphersuites (Official IANA names)
   */
  #define MBEDTLS_TLS_RSA_WITH_NULL_MD5                    0x01   /**< Weak! */
  #define MBEDTLS_TLS_RSA_WITH_NULL_SHA                    0x02   /**< Weak! */
  
  #define MBEDTLS_TLS_RSA_WITH_RC4_128_MD5                 0x04
  #define MBEDTLS_TLS_RSA_WITH_RC4_128_SHA                 0x05
  #define MBEDTLS_TLS_RSA_WITH_DES_CBC_SHA                 0x09   /**< Weak! Not in TLS 1.2 */
  
  #define MBEDTLS_TLS_RSA_WITH_3DES_EDE_CBC_SHA            0x0A
  
  #define MBEDTLS_TLS_DHE_RSA_WITH_DES_CBC_SHA             0x15   /**< Weak! Not in TLS 1.2 */
  #define MBEDTLS_TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA        0x16
  
  #define MBEDTLS_TLS_PSK_WITH_NULL_SHA                    0x2C   /**< Weak! */
  #define MBEDTLS_TLS_DHE_PSK_WITH_NULL_SHA                0x2D   /**< Weak! */
  #define MBEDTLS_TLS_RSA_PSK_WITH_NULL_SHA                0x2E   /**< Weak! */
  #define MBEDTLS_TLS_RSA_WITH_AES_128_CBC_SHA             0x2F
  
  #define MBEDTLS_TLS_DHE_RSA_WITH_AES_128_CBC_SHA         0x33
  #define MBEDTLS_TLS_RSA_WITH_AES_256_CBC_SHA             0x35
  #define MBEDTLS_TLS_DHE_RSA_WITH_AES_256_CBC_SHA         0x39
  
  #define MBEDTLS_TLS_RSA_WITH_NULL_SHA256                 0x3B   /**< Weak! */
  #define MBEDTLS_TLS_RSA_WITH_AES_128_CBC_SHA256          0x3C   /**< TLS 1.2 */
  #define MBEDTLS_TLS_RSA_WITH_AES_256_CBC_SHA256          0x3D   /**< TLS 1.2 */
  
  #define MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA        0x41
  #define MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA    0x45
  
  #define MBEDTLS_TLS_DHE_RSA_WITH_AES_128_CBC_SHA256      0x67   /**< TLS 1.2 */
  #define MBEDTLS_TLS_DHE_RSA_WITH_AES_256_CBC_SHA256      0x6B   /**< TLS 1.2 */
  
  #define MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA        0x84
  #define MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA    0x88
  
  #define MBEDTLS_TLS_PSK_WITH_RC4_128_SHA                 0x8A
  #define MBEDTLS_TLS_PSK_WITH_3DES_EDE_CBC_SHA            0x8B
  #define MBEDTLS_TLS_PSK_WITH_AES_128_CBC_SHA             0x8C
  #define MBEDTLS_TLS_PSK_WITH_AES_256_CBC_SHA             0x8D
  
  #define MBEDTLS_TLS_DHE_PSK_WITH_RC4_128_SHA             0x8E
  #define MBEDTLS_TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA        0x8F
  #define MBEDTLS_TLS_DHE_PSK_WITH_AES_128_CBC_SHA         0x90
  #define MBEDTLS_TLS_DHE_PSK_WITH_AES_256_CBC_SHA         0x91
  
  #define MBEDTLS_TLS_RSA_PSK_WITH_RC4_128_SHA             0x92
  #define MBEDTLS_TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA        0x93
  #define MBEDTLS_TLS_RSA_PSK_WITH_AES_128_CBC_SHA         0x94
  #define MBEDTLS_TLS_RSA_PSK_WITH_AES_256_CBC_SHA         0x95
  
  #define MBEDTLS_TLS_RSA_WITH_AES_128_GCM_SHA256          0x9C   /**< TLS 1.2 */
  #define MBEDTLS_TLS_RSA_WITH_AES_256_GCM_SHA384          0x9D   /**< TLS 1.2 */
  #define MBEDTLS_TLS_DHE_RSA_WITH_AES_128_GCM_SHA256      0x9E   /**< TLS 1.2 */
  #define MBEDTLS_TLS_DHE_RSA_WITH_AES_256_GCM_SHA384      0x9F   /**< TLS 1.2 */
  
  #define MBEDTLS_TLS_PSK_WITH_AES_128_GCM_SHA256          0xA8   /**< TLS 1.2 */
  #define MBEDTLS_TLS_PSK_WITH_AES_256_GCM_SHA384          0xA9   /**< TLS 1.2 */
  #define MBEDTLS_TLS_DHE_PSK_WITH_AES_128_GCM_SHA256      0xAA   /**< TLS 1.2 */
  #define MBEDTLS_TLS_DHE_PSK_WITH_AES_256_GCM_SHA384      0xAB   /**< TLS 1.2 */
  #define MBEDTLS_TLS_RSA_PSK_WITH_AES_128_GCM_SHA256      0xAC   /**< TLS 1.2 */
  #define MBEDTLS_TLS_RSA_PSK_WITH_AES_256_GCM_SHA384      0xAD   /**< TLS 1.2 */
  
  #define MBEDTLS_TLS_PSK_WITH_AES_128_CBC_SHA256          0xAE
  #define MBEDTLS_TLS_PSK_WITH_AES_256_CBC_SHA384          0xAF
  #define MBEDTLS_TLS_PSK_WITH_NULL_SHA256                 0xB0   /**< Weak! */
  #define MBEDTLS_TLS_PSK_WITH_NULL_SHA384                 0xB1   /**< Weak! */
  
  #define MBEDTLS_TLS_DHE_PSK_WITH_AES_128_CBC_SHA256      0xB2
  #define MBEDTLS_TLS_DHE_PSK_WITH_AES_256_CBC_SHA384      0xB3
  #define MBEDTLS_TLS_DHE_PSK_WITH_NULL_SHA256             0xB4   /**< Weak! */
  #define MBEDTLS_TLS_DHE_PSK_WITH_NULL_SHA384             0xB5   /**< Weak! */
  
  #define MBEDTLS_TLS_RSA_PSK_WITH_AES_128_CBC_SHA256      0xB6
  #define MBEDTLS_TLS_RSA_PSK_WITH_AES_256_CBC_SHA384      0xB7
  #define MBEDTLS_TLS_RSA_PSK_WITH_NULL_SHA256             0xB8   /**< Weak! */
  #define MBEDTLS_TLS_RSA_PSK_WITH_NULL_SHA384             0xB9   /**< Weak! */
  
  #define MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256     0xBA   /**< TLS 1.2 */
  #define MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 0xBE   /**< TLS 1.2 */
  
  #define MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256     0xC0   /**< TLS 1.2 */
  #define MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256 0xC4   /**< TLS 1.2 */
  
  #define MBEDTLS_TLS_ECDH_ECDSA_WITH_NULL_SHA             0xC001 /**< Weak! */
  #define MBEDTLS_TLS_ECDH_ECDSA_WITH_RC4_128_SHA          0xC002 /**< Not in SSL3! */
  #define MBEDTLS_TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA     0xC003 /**< Not in SSL3! */
  #define MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA      0xC004 /**< Not in SSL3! */
  #define MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA      0xC005 /**< Not in SSL3! */
  
  #define MBEDTLS_TLS_ECDHE_ECDSA_WITH_NULL_SHA            0xC006 /**< Weak! */
  #define MBEDTLS_TLS_ECDHE_ECDSA_WITH_RC4_128_SHA         0xC007 /**< Not in SSL3! */
  #define MBEDTLS_TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA    0xC008 /**< Not in SSL3! */
  #define MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA     0xC009 /**< Not in SSL3! */
  #define MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA     0xC00A /**< Not in SSL3! */
  
  #define MBEDTLS_TLS_ECDH_RSA_WITH_NULL_SHA               0xC00B /**< Weak! */
  #define MBEDTLS_TLS_ECDH_RSA_WITH_RC4_128_SHA            0xC00C /**< Not in SSL3! */
  #define MBEDTLS_TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA       0xC00D /**< Not in SSL3! */
  #define MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA        0xC00E /**< Not in SSL3! */
  #define MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA        0xC00F /**< Not in SSL3! */
  
  #define MBEDTLS_TLS_ECDHE_RSA_WITH_NULL_SHA              0xC010 /**< Weak! */
  #define MBEDTLS_TLS_ECDHE_RSA_WITH_RC4_128_SHA           0xC011 /**< Not in SSL3! */
  #define MBEDTLS_TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA      0xC012 /**< Not in SSL3! */
  #define MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA       0xC013 /**< Not in SSL3! */
  #define MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA       0xC014 /**< Not in SSL3! */
  
  #define MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256  0xC023 /**< TLS 1.2 */
  #define MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384  0xC024 /**< TLS 1.2 */
  #define MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256   0xC025 /**< TLS 1.2 */
  #define MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384   0xC026 /**< TLS 1.2 */
  #define MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256    0xC027 /**< TLS 1.2 */
  #define MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384    0xC028 /**< TLS 1.2 */
  #define MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256     0xC029 /**< TLS 1.2 */
  #define MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384     0xC02A /**< TLS 1.2 */
  
  #define MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256  0xC02B /**< TLS 1.2 */
  #define MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384  0xC02C /**< TLS 1.2 */
  #define MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256   0xC02D /**< TLS 1.2 */
  #define MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384   0xC02E /**< TLS 1.2 */
  #define MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256    0xC02F /**< TLS 1.2 */
  #define MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384    0xC030 /**< TLS 1.2 */
  #define MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256     0xC031 /**< TLS 1.2 */
  #define MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384     0xC032 /**< TLS 1.2 */
  
  #define MBEDTLS_TLS_ECDHE_PSK_WITH_RC4_128_SHA           0xC033 /**< Not in SSL3! */
  #define MBEDTLS_TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA      0xC034 /**< Not in SSL3! */
  #define MBEDTLS_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA       0xC035 /**< Not in SSL3! */
  #define MBEDTLS_TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA       0xC036 /**< Not in SSL3! */
  #define MBEDTLS_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256    0xC037 /**< Not in SSL3! */
  #define MBEDTLS_TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384    0xC038 /**< Not in SSL3! */
  #define MBEDTLS_TLS_ECDHE_PSK_WITH_NULL_SHA              0xC039 /**< Weak! No SSL3! */
  #define MBEDTLS_TLS_ECDHE_PSK_WITH_NULL_SHA256           0xC03A /**< Weak! No SSL3! */
  #define MBEDTLS_TLS_ECDHE_PSK_WITH_NULL_SHA384           0xC03B /**< Weak! No SSL3! */
  
  #define MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256 0xC072 /**< Not in SSL3! */
  #define MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384 0xC073 /**< Not in SSL3! */
  #define MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256  0xC074 /**< Not in SSL3! */
  #define MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384  0xC075 /**< Not in SSL3! */
  #define MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256   0xC076 /**< Not in SSL3! */
  #define MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384   0xC077 /**< Not in SSL3! */
  #define MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256    0xC078 /**< Not in SSL3! */
  #define MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384    0xC079 /**< Not in SSL3! */
  
  #define MBEDTLS_TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256         0xC07A /**< TLS 1.2 */
  #define MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384         0xC07B /**< TLS 1.2 */
  #define MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_128_GCM_SHA256     0xC07C /**< TLS 1.2 */
  #define MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384     0xC07D /**< TLS 1.2 */
  #define MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256 0xC086 /**< TLS 1.2 */
  #define MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384 0xC087 /**< TLS 1.2 */
  #define MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256  0xC088 /**< TLS 1.2 */
  #define MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384  0xC089 /**< TLS 1.2 */
  #define MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_128_GCM_SHA256   0xC08A /**< TLS 1.2 */
  #define MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384   0xC08B /**< TLS 1.2 */
  #define MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256    0xC08C /**< TLS 1.2 */
  #define MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384    0xC08D /**< TLS 1.2 */
  
  #define MBEDTLS_TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256       0xC08E /**< TLS 1.2 */
  #define MBEDTLS_TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384       0xC08F /**< TLS 1.2 */
  #define MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256   0xC090 /**< TLS 1.2 */
  #define MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384   0xC091 /**< TLS 1.2 */
  #define MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256   0xC092 /**< TLS 1.2 */
  #define MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384   0xC093 /**< TLS 1.2 */
  
  #define MBEDTLS_TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256       0xC094
  #define MBEDTLS_TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384       0xC095
  #define MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256   0xC096
  #define MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384   0xC097
  #define MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256   0xC098
  #define MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384   0xC099
  #define MBEDTLS_TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256 0xC09A /**< Not in SSL3! */
  #define MBEDTLS_TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384 0xC09B /**< Not in SSL3! */
  
  #define MBEDTLS_TLS_RSA_WITH_AES_128_CCM                0xC09C  /**< TLS 1.2 */
  #define MBEDTLS_TLS_RSA_WITH_AES_256_CCM                0xC09D  /**< TLS 1.2 */
  #define MBEDTLS_TLS_DHE_RSA_WITH_AES_128_CCM            0xC09E  /**< TLS 1.2 */
  #define MBEDTLS_TLS_DHE_RSA_WITH_AES_256_CCM            0xC09F  /**< TLS 1.2 */
  #define MBEDTLS_TLS_RSA_WITH_AES_128_CCM_8              0xC0A0  /**< TLS 1.2 */
  #define MBEDTLS_TLS_RSA_WITH_AES_256_CCM_8              0xC0A1  /**< TLS 1.2 */
  #define MBEDTLS_TLS_DHE_RSA_WITH_AES_128_CCM_8          0xC0A2  /**< TLS 1.2 */
  #define MBEDTLS_TLS_DHE_RSA_WITH_AES_256_CCM_8          0xC0A3  /**< TLS 1.2 */
  #define MBEDTLS_TLS_PSK_WITH_AES_128_CCM                0xC0A4  /**< TLS 1.2 */
  #define MBEDTLS_TLS_PSK_WITH_AES_256_CCM                0xC0A5  /**< TLS 1.2 */
  #define MBEDTLS_TLS_DHE_PSK_WITH_AES_128_CCM            0xC0A6  /**< TLS 1.2 */
  #define MBEDTLS_TLS_DHE_PSK_WITH_AES_256_CCM            0xC0A7  /**< TLS 1.2 */
  #define MBEDTLS_TLS_PSK_WITH_AES_128_CCM_8              0xC0A8  /**< TLS 1.2 */
  #define MBEDTLS_TLS_PSK_WITH_AES_256_CCM_8              0xC0A9  /**< TLS 1.2 */
  #define MBEDTLS_TLS_DHE_PSK_WITH_AES_128_CCM_8          0xC0AA  /**< TLS 1.2 */
  #define MBEDTLS_TLS_DHE_PSK_WITH_AES_256_CCM_8          0xC0AB  /**< TLS 1.2 */
  /* The last two are named with PSK_DHE in the RFC, which looks like a typo */
  
  #define MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_CCM        0xC0AC  /**< TLS 1.2 */
  #define MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_CCM        0xC0AD  /**< TLS 1.2 */
  #define MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8      0xC0AE  /**< TLS 1.2 */
  #define MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8      0xC0AF  /**< TLS 1.2 */
  
  #define MBEDTLS_TLS_ECJPAKE_WITH_AES_128_CCM_8          0xC0FF  /**< experimental */
  
  /* Reminder: update mbedtls_ssl_premaster_secret when adding a new key exchange.
   * Reminder: update MBEDTLS_KEY_EXCHANGE__xxx below
   */
  typedef enum {
      MBEDTLS_KEY_EXCHANGE_NONE = 0,
      MBEDTLS_KEY_EXCHANGE_RSA,
      MBEDTLS_KEY_EXCHANGE_DHE_RSA,
      MBEDTLS_KEY_EXCHANGE_ECDHE_RSA,
      MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA,
      MBEDTLS_KEY_EXCHANGE_PSK,
      MBEDTLS_KEY_EXCHANGE_DHE_PSK,
      MBEDTLS_KEY_EXCHANGE_RSA_PSK,
      MBEDTLS_KEY_EXCHANGE_ECDHE_PSK,
      MBEDTLS_KEY_EXCHANGE_ECDH_RSA,
      MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA,
      MBEDTLS_KEY_EXCHANGE_ECJPAKE,
  } mbedtls_key_exchange_type_t;
  
  /* Key exchanges using a certificate */
  #if defined(MBEDTLS_KEY_EXCHANGE_RSA_ENABLED)           || \
      defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED)       || \
      defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED)     || \
      defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED)   || \
      defined(MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED)       || \
      defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED)      || \
      defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED)
  #define MBEDTLS_KEY_EXCHANGE__WITH_CERT__ENABLED
  #endif
  
  /* Key exchanges allowing client certificate requests */
  #if defined(MBEDTLS_KEY_EXCHANGE_RSA_ENABLED)           ||       \
      defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED)       ||       \
      defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED)      ||       \
      defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED)     ||       \
      defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED)    ||       \
      defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) 
  #define MBEDTLS_KEY_EXCHANGE__CERT_REQ_ALLOWED__ENABLED
  #endif
  
  /* Key exchanges involving server signature in ServerKeyExchange */
  #if defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED)       || \
      defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED)     || \
      defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED)
  #define MBEDTLS_KEY_EXCHANGE__WITH_SERVER_SIGNATURE__ENABLED
  #endif
  
  /* Key exchanges using ECDH */
  #if defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED)      || \
      defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED)
  #define MBEDTLS_KEY_EXCHANGE__SOME__ECDH_ENABLED
  #endif
  
  /* Key exchanges that don't involve ephemeral keys */
  #if defined(MBEDTLS_KEY_EXCHANGE_RSA_ENABLED)           || \
      defined(MBEDTLS_KEY_EXCHANGE_PSK_ENABLED)           || \
      defined(MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED)       || \
      defined(MBEDTLS_KEY_EXCHANGE__SOME__ECDH_ENABLED)
  #define MBEDTLS_KEY_EXCHANGE__SOME_NON_PFS__ENABLED
  #endif
  
  /* Key exchanges that involve ephemeral keys */
  #if defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED)       || \
      defined(MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED)       || \
      defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED)     || \
      defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED)     || \
      defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED)   || \
      defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
  #define MBEDTLS_KEY_EXCHANGE__SOME_PFS__ENABLED
  #endif
  
  /* Key exchanges using a PSK */
  #if defined(MBEDTLS_KEY_EXCHANGE_PSK_ENABLED)           || \
      defined(MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED)       || \
      defined(MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED)       || \
      defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED)
  #define MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED
  #endif
  
  /* Key exchanges using DHE */
  #if defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED)       || \
      defined(MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED)
  #define MBEDTLS_KEY_EXCHANGE__SOME__DHE_ENABLED
  #endif
  
  /* Key exchanges using ECDHE */
  #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED)     || \
      defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED)   || \
      defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED)
  #define MBEDTLS_KEY_EXCHANGE__SOME__ECDHE_ENABLED
  #endif
  
  typedef struct mbedtls_ssl_ciphersuite_t mbedtls_ssl_ciphersuite_t;
  
  #define MBEDTLS_CIPHERSUITE_WEAK       0x01    /**< Weak ciphersuite flag  */
  #define MBEDTLS_CIPHERSUITE_SHORT_TAG  0x02    /**< Short authentication tag,
                                                       eg for CCM_8 */
  #define MBEDTLS_CIPHERSUITE_NODTLS     0x04    /**< Can't be used with DTLS */
  
  /**
   * \brief   This structure is used for storing ciphersuite information
   */
  struct mbedtls_ssl_ciphersuite_t
  {
      int id;
      const char * name;
  
      mbedtls_cipher_type_t cipher;
      mbedtls_md_type_t mac;
      mbedtls_key_exchange_type_t key_exchange;
  
      int min_major_ver;
      int min_minor_ver;
      int max_major_ver;
      int max_minor_ver;
  
      unsigned char flags;
  };
  
  const int *mbedtls_ssl_list_ciphersuites( void );
  
  const mbedtls_ssl_ciphersuite_t *mbedtls_ssl_ciphersuite_from_string( const char *ciphersuite_name );
  const mbedtls_ssl_ciphersuite_t *mbedtls_ssl_ciphersuite_from_id( int ciphersuite_id );
  
  #if defined(MBEDTLS_PK_C)
  mbedtls_pk_type_t mbedtls_ssl_get_ciphersuite_sig_pk_alg( const mbedtls_ssl_ciphersuite_t *info );
  mbedtls_pk_type_t mbedtls_ssl_get_ciphersuite_sig_alg( const mbedtls_ssl_ciphersuite_t *info );
  #endif
  
  int mbedtls_ssl_ciphersuite_uses_ec( const mbedtls_ssl_ciphersuite_t *info );
  int mbedtls_ssl_ciphersuite_uses_psk( const mbedtls_ssl_ciphersuite_t *info );
  
  #if defined(MBEDTLS_KEY_EXCHANGE__SOME_PFS__ENABLED)
  static inline int mbedtls_ssl_ciphersuite_has_pfs( const mbedtls_ssl_ciphersuite_t *info )
  {
      switch( info->key_exchange )
      {
          case MBEDTLS_KEY_EXCHANGE_DHE_RSA:
          case MBEDTLS_KEY_EXCHANGE_DHE_PSK:
          case MBEDTLS_KEY_EXCHANGE_ECDHE_RSA:
          case MBEDTLS_KEY_EXCHANGE_ECDHE_PSK:
          case MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA:
          case MBEDTLS_KEY_EXCHANGE_ECJPAKE:
              return( 1 );
  
          default:
              return( 0 );
      }
  }
  #endif /* MBEDTLS_KEY_EXCHANGE__SOME_PFS__ENABLED */
  
  #if defined(MBEDTLS_KEY_EXCHANGE__SOME_NON_PFS__ENABLED)
  static inline int mbedtls_ssl_ciphersuite_no_pfs( const mbedtls_ssl_ciphersuite_t *info )
  {
      switch( info->key_exchange )
      {
          case MBEDTLS_KEY_EXCHANGE_ECDH_RSA:
          case MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA:
          case MBEDTLS_KEY_EXCHANGE_RSA:
          case MBEDTLS_KEY_EXCHANGE_PSK:
          case MBEDTLS_KEY_EXCHANGE_RSA_PSK:
              return( 1 );
  
          default:
              return( 0 );
      }
  }
  #endif /* MBEDTLS_KEY_EXCHANGE__SOME_NON_PFS__ENABLED */
  
  #if defined(MBEDTLS_KEY_EXCHANGE__SOME__ECDH_ENABLED)
  static inline int mbedtls_ssl_ciphersuite_uses_ecdh( const mbedtls_ssl_ciphersuite_t *info )
  {
      switch( info->key_exchange )
      {
          case MBEDTLS_KEY_EXCHANGE_ECDH_RSA:
          case MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA:
              return( 1 );
  
          default:
              return( 0 );
      }
  }
  #endif /* MBEDTLS_KEY_EXCHANGE__SOME__ECDH_ENABLED */
  
  static inline int mbedtls_ssl_ciphersuite_cert_req_allowed( const mbedtls_ssl_ciphersuite_t *info )
  {
      switch( info->key_exchange )
      {
          case MBEDTLS_KEY_EXCHANGE_RSA:
          case MBEDTLS_KEY_EXCHANGE_DHE_RSA:
          case MBEDTLS_KEY_EXCHANGE_ECDH_RSA:
          case MBEDTLS_KEY_EXCHANGE_ECDHE_RSA:
          case MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA:
          case MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA:
              return( 1 );
  
          default:
              return( 0 );
      }
  }
  
  #if defined(MBEDTLS_KEY_EXCHANGE__SOME__DHE_ENABLED)
  static inline int mbedtls_ssl_ciphersuite_uses_dhe( const mbedtls_ssl_ciphersuite_t *info )
  {
      switch( info->key_exchange )
      {
          case MBEDTLS_KEY_EXCHANGE_DHE_RSA:
          case MBEDTLS_KEY_EXCHANGE_DHE_PSK:
              return( 1 );
  
          default:
              return( 0 );
      }
  }
  #endif /* MBEDTLS_KEY_EXCHANGE__SOME__DHE_ENABLED) */
  
  #if defined(MBEDTLS_KEY_EXCHANGE__SOME__ECDHE_ENABLED)
  static inline int mbedtls_ssl_ciphersuite_uses_ecdhe( const mbedtls_ssl_ciphersuite_t *info )
  {
      switch( info->key_exchange )
      {
          case MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA:
          case MBEDTLS_KEY_EXCHANGE_ECDHE_RSA:
          case MBEDTLS_KEY_EXCHANGE_ECDHE_PSK:
              return( 1 );
  
          default:
              return( 0 );
      }
  }
  #endif /* MBEDTLS_KEY_EXCHANGE__SOME__ECDHE_ENABLED) */
  
  #if defined(MBEDTLS_KEY_EXCHANGE__WITH_SERVER_SIGNATURE__ENABLED)
  static inline int mbedtls_ssl_ciphersuite_uses_server_signature( const mbedtls_ssl_ciphersuite_t *info )
  {
      switch( info->key_exchange )
      {
          case MBEDTLS_KEY_EXCHANGE_DHE_RSA:
          case MBEDTLS_KEY_EXCHANGE_ECDHE_RSA:
          case MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA:
              return( 1 );
  
          default:
              return( 0 );
      }
  }
  #endif /* MBEDTLS_KEY_EXCHANGE__WITH_SERVER_SIGNATURE__ENABLED */
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* ssl_ciphersuites.h */
  