sha1.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 */
28
29
30 #pragma once
31
32 #include <memory>
33
34 namespace clan
35 {
38
39 class DataBuffer;
40 class SHA1_Impl;
41
43 class SHA1
44 {
47
48 public:
50 SHA1();
51
55
56 public:
57 static const int hash_size = 20;
58
60 std::string get_hash(bool uppercase = false) const;
61
65 void get_hash(unsigned char out_hash[hash_size]) const;
66
70
71 public:
73 void reset();
74
81 void set_hmac(const void *key_data, int key_size);
82
84 void add(const void *data, int size);
85
89 void add(const DataBuffer &data);
90
92 void calculate();
93
97
98 private:
99 std::shared_ptr<SHA1_Impl> impl;
101 };
102
103 }
104
clan::SHA1::get_hash
std::string get_hash(bool uppercase=false) const
Returns the calculated hash.
clan
Definition: clanapp.h:35
clan::SHA1::SHA1
SHA1()
Constructs a SHA-1 hash generator.
clan::SHA1::calculate
void calculate()
Finalize hash calculation.
clan::SHA1::hash_size
static const int hash_size
Definition: sha1.h:57
clan::SHA1::set_hmac
void set_hmac(const void *key_data, int key_size)
Enable a HMAC based calculation.
clan::StyleTokenType::string
@ keyword
clan::SHA1::reset
void reset()
Resets the hash generator.
clan::SHA1
SHA-1 hash function class.
Definition: sha1.h:43
clan::SHA1::add
void add(const void *data, int size)
Adds data to be hashed.
clan::DataBuffer
General purpose data buffer.
Definition: databuffer.h:42