sha224.h
1/*
2** ClanLib SDK
3** Copyright (c) 1997-2020 The ClanLib Team
4**
5** This software is provided 'as-is', without any express or implied
6** warranty. In no event will the authors be held liable for any damages
7** arising from the use of this software.
8**
9** Permission is granted to anyone to use this software for any purpose,
10** including commercial applications, and to alter it and redistribute it
11** freely, subject to the following restrictions:
12**
13** 1. The origin of this software must not be misrepresented; you must not
14** claim that you wrote the original software. If you use this software
15** in a product, an acknowledgment in the product documentation would be
16** appreciated but is not required.
17** 2. Altered source versions must be plainly marked as such, and must not be
18** misrepresented as being the original software.
19** 3. This notice may not be removed or altered from any source distribution.
20**
21** Note: Some of the libraries ClanLib may link to may have additional
22** requirements or restrictions.
23**
24** File Author(s):
25**
26** Mark Page
27*/
28
29#pragma once
30
31#include <memory>
32
33namespace clan
34{
37
38 class DataBuffer;
39 class SHA256_Impl;
40
42 class SHA224
43 {
44 public:
47
48 static const int hash_size = 28;
49
51 std::string get_hash(bool uppercase = false) const;
52
56 void get_hash(unsigned char out_hash[hash_size]) const;
57
59 void reset();
60
67 void set_hmac(const void *key_data, int key_size);
68
70 void add(const void *data, int size);
71
75 void add(const DataBuffer &data);
76
78 void calculate();
79
80 private:
81 std::shared_ptr<SHA256_Impl> impl; // Uses SHA256 implementation
82 };
83
85}
General purpose data buffer.
Definition databuffer.h:42
SHA-224 hash function class.
Definition sha224.h:43
SHA224()
Constructs a SHA-224 hash generator.
void calculate()
Finalize hash calculation.
static const int hash_size
Definition sha224.h:48
void set_hmac(const void *key_data, int key_size)
Enable a HMAC based calculation.
void get_hash(unsigned char out_hash[hash_size]) const
Get hash.
void reset()
Resets the hash generator.
void add(const void *data, int size)
Adds data to be hashed.
void add(const DataBuffer &data)
Add.
std::string get_hash(bool uppercase=false) const
Returns the calculated hash.
Definition clanapp.h:36