1*b1cdbd2cSJim Jagielski /**************************************************************
2*b1cdbd2cSJim Jagielski  *
3*b1cdbd2cSJim Jagielski  * Licensed to the Apache Software Foundation (ASF) under one
4*b1cdbd2cSJim Jagielski  * or more contributor license agreements.  See the NOTICE file
5*b1cdbd2cSJim Jagielski  * distributed with this work for additional information
6*b1cdbd2cSJim Jagielski  * regarding copyright ownership.  The ASF licenses this file
7*b1cdbd2cSJim Jagielski  * to you under the Apache License, Version 2.0 (the
8*b1cdbd2cSJim Jagielski  * "License"); you may not use this file except in compliance
9*b1cdbd2cSJim Jagielski  * with the License.  You may obtain a copy of the License at
10*b1cdbd2cSJim Jagielski  *
11*b1cdbd2cSJim Jagielski  *   http://www.apache.org/licenses/LICENSE-2.0
12*b1cdbd2cSJim Jagielski  *
13*b1cdbd2cSJim Jagielski  * Unless required by applicable law or agreed to in writing,
14*b1cdbd2cSJim Jagielski  * software distributed under the License is distributed on an
15*b1cdbd2cSJim Jagielski  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16*b1cdbd2cSJim Jagielski  * KIND, either express or implied.  See the License for the
17*b1cdbd2cSJim Jagielski  * specific language governing permissions and limitations
18*b1cdbd2cSJim Jagielski  * under the License.
19*b1cdbd2cSJim Jagielski  *
20*b1cdbd2cSJim Jagielski  *************************************************************/
21*b1cdbd2cSJim Jagielski 
22*b1cdbd2cSJim Jagielski 
23*b1cdbd2cSJim Jagielski #ifndef _ENCRYPTED_DATA_HEADER_HXX_
24*b1cdbd2cSJim Jagielski #define _ENCRYPTED_DATA_HEADER_HXX_
25*b1cdbd2cSJim Jagielski 
26*b1cdbd2cSJim Jagielski #include <sal/types.h>
27*b1cdbd2cSJim Jagielski 
28*b1cdbd2cSJim Jagielski /* The structure of this header is as follows:
29*b1cdbd2cSJim Jagielski 
30*b1cdbd2cSJim Jagielski    Header signature  4 bytes
31*b1cdbd2cSJim Jagielski    Version number    2 bytes
32*b1cdbd2cSJim Jagielski    Iteraction count  4 bytes
33*b1cdbd2cSJim Jagielski    Size				 4 bytes
34*b1cdbd2cSJim Jagielski    EncAlgorithm      4 bytes
35*b1cdbd2cSJim Jagielski    DigestAlgorithm   4 bytes
36*b1cdbd2cSJim Jagielski    DerivedKeySize    4 bytes
37*b1cdbd2cSJim Jagielski    StartKeyAlgorithm 4 bytes
38*b1cdbd2cSJim Jagielski    Salt length		 2 bytes
39*b1cdbd2cSJim Jagielski    IV length		 2 bytes
40*b1cdbd2cSJim Jagielski    Digest length	 2 bytes
41*b1cdbd2cSJim Jagielski    MediaType length  2 bytes
42*b1cdbd2cSJim Jagielski    Salt content      X bytes
43*b1cdbd2cSJim Jagielski    IV content 	     X bytes
44*b1cdbd2cSJim Jagielski    digest content    X bytes
45*b1cdbd2cSJim Jagielski    MediaType		 X bytes
46*b1cdbd2cSJim Jagielski 
47*b1cdbd2cSJim Jagielski */
48*b1cdbd2cSJim Jagielski const sal_uInt32 n_ConstHeader = 0x05024d4dL; // "MM\002\005"
49*b1cdbd2cSJim Jagielski const sal_Int32 n_ConstHeaderSize = 38; // + salt length + iv length + digest length + mediatype length
50*b1cdbd2cSJim Jagielski const sal_Int16 n_ConstCurrentVersion = 1;
51*b1cdbd2cSJim Jagielski #endif
52