ObjFW
OFCryptoHash.h
1 /*
2  * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
3  * Jonathan Schleifer <js@heap.zone>
4  *
5  * All rights reserved.
6  *
7  * This file is part of ObjFW. It may be distributed under the terms of the
8  * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
9  * the packaging of this file.
10  *
11  * Alternatively, it may be distributed under the terms of the GNU General
12  * Public License, either version 2 or 3, which can be found in the file
13  * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
14  * file.
15  */
16 
17 #import "OFObject.h"
18 
19 OF_ASSUME_NONNULL_BEGIN
20 
30 @protocol OFCryptoHash <OFObject, OFCopying>
34 @property (readonly, nonatomic, getter=isCalculated) bool calculated;
35 
41 + (instancetype)cryptoHash;
42 
48 + (size_t)digestSize;
49 
55 + (size_t)blockSize;
56 
63 - (void)updateWithBuffer: (const void *)buffer
64  length: (size_t)length;
65 
74 - (const unsigned char *)digest OF_RETURNS_INNER_POINTER;
75 
83 - (void)reset;
84 @end
85 
86 OF_ASSUME_NONNULL_END
A protocol for classes providing cryptographic hash functions.
A protocol for the creation of copies.
Definition: OFObject.h:914
The root class for all other classes inside ObjFW.
Definition: OFObject.h:379