SecureTransport/privateInc/sslRecord.h

   1 /*
   2  * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved.
   3  *
   4  * The contents of this file constitute Original Code as defined in and are
   5  * subject to the Apple Public Source License Version 1.2 (the 'License').
   6  * You may not use this file except in compliance with the License. Please obtain
   7  * a copy of the License at http://www.apple.com/publicsource and read it before
   8  * using this file.
   9  *
  10  * This Original Code and all software distributed under the License are
  11  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
  12  * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
  13  * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
  14  * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
  15  * specific language governing rights and limitations under the License.
  16  */
  17
  18
  19 /*  *********************************************************************
  20     File: sslRecord.h - SSL Record Layer
  21     ****************************************************************** */
  22
  23 #ifndef _SSLRECORD_H_
  24 #define _SSLRECORD_H_ 1
  25
  26 #include "sslPriv.h"
  27
  28 #ifdef __cplusplus
  29 extern "C" {
  30 #endif
  31
  32 enum
  33 {   SSL_RecordTypeV2_0,
  34     SSL_RecordTypeV3_Smallest = 20,
  35     SSL_RecordTypeChangeCipher = 20,
  36     SSL_RecordTypeAlert = 21,
  37     SSL_RecordTypeHandshake = 22,
  38     SSL_RecordTypeAppData = 23,
  39     SSL_RecordTypeV3_Largest = 23
  40 };
  41
  42 typedef struct
  43 {   UInt8                   contentType;
  44     SSLProtocolVersion      protocolVersion;
  45     SSLBuffer               contents;
  46 } SSLRecord;
  47
  48 /*
  49  * Slightly smaller that 16384 to make room for a MAC in an SSL 2.0
  50  * 3-byte header record
  51  */
  52 #define MAX_RECORD_LENGTH   16300
  53
  54 #define DEFAULT_BUFFER_SIZE 4096
  55
  56 OSStatus SSLReadRecord(
  57         SSLRecord       &rec,
  58         SSLContext      *ctx);
  59
  60 OSStatus SSLVerifyMac(
  61         UInt8           type,
  62         SSLBuffer       &data,
  63         UInt8           *compareMAC,
  64         SSLContext      *ctx);
  65
  66 #ifdef __cplusplus
  67 }
  68 #endif
  69
  70 #endif /* _SSLRECORD_H_ */