blob: 203611b8f00249b63200dc22197d910e99ca593c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
/*
* CRC24
* (C) 1999-2007 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_CRC24_H__
#define BOTAN_CRC24_H__
#include <botan/hash.h>
namespace Botan {
/**
* 24-bit cyclic redundancy check
*/
class BOTAN_DLL CRC24 final : public HashFunction
{
public:
std::string name() const override { return "CRC24"; }
size_t output_length() const override { return 3; }
HashFunction* clone() const override { return new CRC24; }
std::unique_ptr<HashFunction> copy_state() const override;
void clear() override { m_crc = 0xB704CE; }
CRC24() { clear(); }
~CRC24() { clear(); }
private:
void add_data(const uint8_t[], size_t) override;
void final_result(uint8_t[]) override;
uint32_t m_crc;
};
}
#endif
|