sha512_256.h
1 /*
2 ** ClanLib SDK
3 ** Copyright (c) 1997-2015 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 ** Magnus Norddahl
27 ** Mark Page
28 */
29
30
31 #pragma once
32
33 #include <memory>
34
35 namespace clan
36 {
39
40 class DataBuffer;
41 class SHA512_Impl;
42
44 class SHA512_256
45 {
48
49 public:
51 SHA512_256();
52
56
57 public:
58 static const int hash_size = 32;
59
61 std::string get_hash(bool uppercase = false) const;
62
66 void get_hash(unsigned char out_hash[hash_size]) const;
67
71
72 public:
74 void reset();
75
82 void set_hmac(const void *key_data, int key_size);
83
85 void add(const void *data, int size);
86
90 void add(const DataBuffer &data);
91
93 void calculate();
94
98
99 private:
100 std::shared_ptr<SHA512_Impl> impl; // Uses SHA512 implementation
102 };
103
104 }
105
clan
Definition: clanapp.h:35
clan::SHA512_256
SHA-512_256 hash function class.
Definition: sha512_256.h:44
clan::SHA512_256::hash_size
static const int hash_size
Definition: sha512_256.h:58
clan::SHA512_256::calculate
void calculate()
Finalize hash calculation.
clan::StyleTokenType::string
@ keyword
clan::SHA512_256::reset
void reset()
Resets the hash generator.
clan::SHA512_256::set_hmac
void set_hmac(const void *key_data, int key_size)
Enable a HMAC based calculation.
clan::SHA512_256::get_hash
std::string get_hash(bool uppercase=false) const
Returns the calculated hash.
clan::DataBuffer
General purpose data buffer.
Definition: databuffer.h:42
clan::SHA512_256::SHA512_256
SHA512_256()
Constructs a SHA-512_256 hash generator.
clan::SHA512_256::add
void add(const void *data, int size)
Adds data to be hashed.