1  /*
  2   * Copyright (c) 1999-2001,2005-2007,2010-2014 Apple Inc. All Rights Reserved.
  3   *
  4   * @APPLE_LICENSE_HEADER_START@
  5   * 
  6   * This file contains Original Code and/or Modifications of Original Code
  7   * as defined in and that are subject to the Apple Public Source License
  8   * Version 2.0 (the 'License'). You may not use this file except in
  9   * compliance with the License. Please obtain a copy of the License at
 10   * http://www.opensource.apple.com/apsl/ and read it before using this
 11   * file.
 12   * 
 13   * The Original Code and all software distributed under the License are
 14   * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 15   * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 16   * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 17   * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 18   * Please see the License for the specific language governing rights and
 19   * limitations under the License.
 20   * 
 21   * @APPLE_LICENSE_HEADER_END@
 22   */
 23  
 24  /*
 25   * cipherSpecs.h - SSLCipherSpec declarations
 26   */
 27  
 28  #ifndef	_CIPHER_SPECS_H_
 29  #define _CIPHER_SPECS_H_
 30  
 31  #include <stdint.h>
 32  #include "CipherSuite.h"
 33  
 34  #ifdef __cplusplus
 35  extern "C" {
 36  #endif
 37  
 38  /* Cipher Algorithm */
 39  typedef enum {
 40      SSL_CipherAlgorithmNull,
 41      SSL_CipherAlgorithmRC2_128,
 42      SSL_CipherAlgorithmRC4_128,
 43      SSL_CipherAlgorithmDES_CBC,
 44      SSL_CipherAlgorithm3DES_CBC,
 45      SSL_CipherAlgorithmAES_128_CBC,
 46      SSL_CipherAlgorithmAES_256_CBC,
 47      SSL_CipherAlgorithmAES_128_GCM,
 48      SSL_CipherAlgorithmAES_256_GCM,
 49  } SSL_CipherAlgorithm;
 50  
 51  /* The HMAC algorithms we support */
 52  typedef enum {
 53      HA_Null = 0,		// i.e., uninitialized
 54      HA_SHA1,
 55      HA_MD5,
 56      HA_SHA256,
 57      HA_SHA384
 58  } HMAC_Algs;
 59  
 60  typedef enum
 61  {   SSL_NULL_auth,
 62      SSL_RSA,
 63      SSL_RSA_EXPORT,
 64      SSL_DH_DSS,
 65      SSL_DH_DSS_EXPORT,
 66      SSL_DH_RSA,
 67      SSL_DH_RSA_EXPORT,
 68      SSL_DHE_DSS,
 69      SSL_DHE_DSS_EXPORT,
 70      SSL_DHE_RSA,
 71      SSL_DHE_RSA_EXPORT,
 72      SSL_DH_anon,
 73      SSL_DH_anon_EXPORT,
 74      SSL_Fortezza,
 75  
 76      /* ECDSA addenda, RFC 4492 */
 77      SSL_ECDH_ECDSA,
 78      SSL_ECDHE_ECDSA,
 79      SSL_ECDH_RSA,
 80      SSL_ECDHE_RSA,
 81      SSL_ECDH_anon,
 82  
 83      /* PSK, RFC 4279 */
 84      TLS_PSK,
 85      TLS_DHE_PSK,
 86      TLS_RSA_PSK,
 87      
 88  } KeyExchangeMethod;
 89  
 90  
 91  HMAC_Algs sslCipherSuiteGetMacAlgorithm(SSLCipherSuite cipherSuite);
 92  SSL_CipherAlgorithm sslCipherSuiteGetSymmetricCipherAlgorithm(SSLCipherSuite cipherSuite);
 93  KeyExchangeMethod sslCipherSuiteGetKeyExchangeMethod(SSLCipherSuite cipherSuite);
 94  
 95  uint8_t sslCipherSuiteGetMacSize(SSLCipherSuite cipherSuite);
 96  uint8_t sslCipherSuiteGetSymmetricCipherKeySize(SSLCipherSuite cipherSuite);
 97  uint8_t sslCipherSuiteGetSymmetricCipherBlockIvSize(SSLCipherSuite cipherSuite);
 98  
 99  /*
100   * Determine if an SSLCipherSuite is SSLv2 only.
101   */
102  #define CIPHER_SUITE_IS_SSLv2(suite)	((suite & 0xff00) == 0xff00)
103  
104  #ifdef __cplusplus
105  }
106  #endif
107  
108  #endif	/* _CIPHER_SPECS_H_ */