sha512.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
45 {
48 
49 public:
51  SHA512();
52 
56 
57 public:
58  static const int hash_size = 64;
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;
102 };
103 
104 }
105 
std::string get_hash(bool uppercase=false) const
Returns the calculated hash.
General purpose data buffer.
Definition: databuffer.h:43
SHA-512 hash function class.
Definition: sha512.h:45
void add(const void *data, int size)
Adds data to be hashed.
void get_hash(unsigned char out_hash[hash_size]) const
Get hash.
static const int hash_size
Definition: sha512.h:58
void add(const DataBuffer &data)
Add.
Definition: clanapp.h:36
void calculate()
Finalize hash calculation.
void set_hmac(const void *key_data, int key_size)
Enable a HMAC based calculation.
SHA512()
Constructs a SHA-512 hash generator.
void reset()
Resets the hash generator.