Coverage Report

Created: 2020-02-14 15:38

/src/botan/build/include/botan/crc32.h
Line
Count
Source (jump to first uncovered line)
1
/*
2
* CRC32
3
* (C) 1999-2007 Jack Lloyd
4
*
5
* Botan is released under the Simplified BSD License (see license.txt)
6
*/
7
8
#ifndef BOTAN_CRC32_H_
9
#define BOTAN_CRC32_H_
10
11
#include <botan/hash.h>
12
13
BOTAN_FUTURE_INTERNAL_HEADER(crc32.h)
14
15
namespace Botan {
16
17
/**
18
* 32-bit cyclic redundancy check
19
*/
20
class BOTAN_PUBLIC_API(2,0) CRC32 final : public HashFunction
21
   {
22
   public:
23
0
      std::string name() const override { return "CRC32"; }
24
0
      size_t output_length() const override { return 4; }
25
0
      HashFunction* clone() const override { return new CRC32; }
26
      std::unique_ptr<HashFunction> copy_state() const override;
27
28
0
      void clear() override { m_crc = 0xFFFFFFFF; }
29
30
0
      CRC32() { clear(); }
31
0
      ~CRC32() { clear(); }
32
   private:
33
      void add_data(const uint8_t[], size_t) override;
34
      void final_result(uint8_t[]) override;
35
      uint32_t m_crc;
36
   };
37
38
}
39
40
#endif