ObjFW
OFSHA224Or256Hash.h
1 /*
2  * Copyright (c) 2008-2023 Jonathan Schleifer <js@nil.im>
3  *
4  * All rights reserved.
5  *
6  * This file is part of ObjFW. It may be distributed under the terms of the
7  * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
8  * the packaging of this file.
9  *
10  * Alternatively, it may be distributed under the terms of the GNU General
11  * Public License, either version 2 or 3, which can be found in the file
12  * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
13  * file.
14  */
15 
16 #import "OFCryptographicHash.h"
17 
18 OF_ASSUME_NONNULL_BEGIN
19 
20 @class OFSecureData;
21 
28 {
29 @private
30  OFSecureData *_iVarsData;
31 @protected
32  struct {
33  uint32_t state[8];
34  uint64_t bits;
35  union {
36  unsigned char bytes[64];
37  uint32_t words[64];
38  } buffer;
39  size_t bufferLength;
40  } *_iVars;
41 @private
42  bool _allowsSwappableMemory;
43  bool _calculated;
44  OF_RESERVE_IVARS(OFSHA224Or256Hash, 4)
45 }
46 @end
47 
48 OF_ASSUME_NONNULL_END
The root class for all other classes inside ObjFW.
Definition: OFObject.h:686
A class for storing arbitrary data in secure (non-swappable) memory, securely wiping it when it gets ...
Definition: OFSecureData.h:33
A base class for SHA-224 and SHA-256.
Definition: OFSHA224Or256Hash.h:27
A protocol for classes providing cryptographic hash functions.