Security/libsecurity_ssl/lib/tls_ssl.h

   1 /*
   2  * Copyright (c) 2002,2005-2007,2010-2012,2014 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  * tls_ssl.h - Declarations of handshake layer callout struct to provide indirect calls to
  26  *     SSLv3 and TLS routines.
  27  */
  28
  29 #ifndef _TLS_SSL_H_
  30 #define _TLS_SSL_H_
  31
  32 #ifdef  __cplusplus
  33 extern "C" {
  34 #endif
  35
  36 #include "ssl.h"
  37 #include "sslPriv.h"
  38 #include "sslContext.h"
  39 #include "sslRecord.h"
  40
  41 /***
  42  *** Each of {TLS, SSLv3} implements each of these functions.
  43  ***/
  44
  45 typedef OSStatus (*generateKeyMaterialFcn) (
  46         SSLBuffer key,                                  // caller mallocs and specifies length of
  47                                                                         //   required key material here
  48         SSLContext *ctx);
  49
  50 typedef OSStatus (*generateExportKeyAndIvFcn) (
  51         SSLContext *ctx,                                // clientRandom, serverRandom valid
  52         const SSLBuffer clientWriteKey,
  53         const SSLBuffer serverWriteKey,
  54         SSLBuffer finalClientWriteKey,  // RETURNED, mallocd by caller
  55         SSLBuffer finalServerWriteKey,  // RETURNED, mallocd by caller
  56         SSLBuffer finalClientIV,                // RETURNED, mallocd by caller
  57         SSLBuffer finalServerIV);               // RETURNED, mallocd by caller
  58
  59 /*
  60  * On entry: clientRandom, serverRandom, preMasterSecret valid
  61  * On return: masterSecret valid
  62  */
  63 typedef OSStatus (*generateMasterSecretFcn) (
  64         SSLContext *ctx);
  65
  66 typedef OSStatus (*computeFinishedMacFcn) (
  67         SSLContext *ctx,
  68         SSLBuffer finished,             // output - mallocd by caller
  69         Boolean isServer);
  70
  71 typedef OSStatus (*computeCertVfyMacFcn) (
  72         SSLContext *ctx,
  73     SSLBuffer *finished,                // output - mallocd by caller
  74     SSL_HashAlgorithm hash);    //only used in TLS 1.2
  75
  76
  77 typedef struct _SslTlsCallouts {
  78         generateKeyMaterialFcn          generateKeyMaterial;
  79         generateMasterSecretFcn         generateMasterSecret;
  80         computeFinishedMacFcn           computeFinishedMac;
  81         computeCertVfyMacFcn            computeCertVfyMac;
  82 } SslTlsCallouts;
  83
  84
  85 /* From ssl3Callouts.c and tls1Callouts.c */
  86 extern const SslTlsCallouts     Ssl3Callouts;
  87 extern const SslTlsCallouts     Tls1Callouts;
  88 extern const SslTlsCallouts Tls12Callouts;
  89
  90 #ifdef  __cplusplus
  91 }
  92 #endif
  93
  94 #endif  /* _TLS_SSL_H_ */