ObjFW
OFSHA384Or512Hash.h
1 /*
2  * Copyright (c) 2008-2024 Jonathan Schleifer <js@nil.im>
3  *
4  * All rights reserved.
5  *
6  * This program is free software: you can redistribute it and/or modify it
7  * under the terms of the GNU Lesser General Public License version 3.0 only,
8  * as published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope that it will be useful, but WITHOUT
11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
13  * version 3.0 for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public License
16  * version 3.0 along with this program. If not, see
17  * <https://www.gnu.org/licenses/>.
18  */
19 
20 #import "OFCryptographicHash.h"
21 
22 OF_ASSUME_NONNULL_BEGIN
23 
24 @class OFSecureData;
25 
32 {
33 @private
34  OFSecureData *_iVarsData;
35 @protected
36  struct {
37  uint64_t state[8];
38  uint64_t bits[2];
39  union {
40  unsigned char bytes[128];
41  uint64_t words[80];
42  } buffer;
43  size_t bufferLength;
44  } *_iVars;
45 @private
46  bool _allowsSwappableMemory;
47  bool _calculated;
48  OF_RESERVE_IVARS(OFSHA384Or512Hash, 4)
49 }
50 @end
51 
52 OF_ASSUME_NONNULL_END
A base class for SHA-384 and SHA-512.
Definition: OFSHA384Or512Hash.h:31
The root class for all other classes inside ObjFW.
Definition: OFObject.h:690
A class for storing arbitrary data in secure (non-swappable) memory, securely wiping it when it gets ...
Definition: OFSecureData.h:37
A protocol for classes providing cryptographic hash functions.