Botan 2.13.0 Crypto and TLS for C++11

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crc24.h
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1 /*
2 * CRC24
3 * (C) 1999-2007 Jack Lloyd
4 * (C) 2017 [Ribose Inc](https://www.ribose.com). Performed by Krzysztof Kwiatkowski.
5 *
6 * Botan is released under the Simplified BSD License (see license.txt)
7 */
8
9 #ifndef BOTAN_CRC24_H_
10 #define BOTAN_CRC24_H_
11
12 #include <botan/hash.h>
13
14 BOTAN_FUTURE_INTERNAL_HEADER(crc24.h)
15
16 namespace Botan {
17
18 /**
19 * 24-bit cyclic redundancy check
20 */
21 class BOTAN_PUBLIC_API(2,0) CRC24 final : public HashFunction
22 {
23 public:
24 std::string name() const override { return "CRC24"; }
25 size_t output_length() const override { return 3; }
26 HashFunction* clone() const override { return new CRC24; }
27 std::unique_ptr<HashFunction> copy_state() const override;
28
29 void clear() override { m_crc = 0XCE04B7L; }
30
31 CRC24() { clear(); }
32 ~CRC24() { clear(); }
33 private:
34 void add_data(const uint8_t[], size_t) override;
35 void final_result(uint8_t[]) override;
36 uint32_t m_crc;
37 };
38
39 }
40
41 #endif
Botan::CRC24::name
std::string name() const override
Definition: crc24.h:24
Botan::CRC24::output_length
size_t output_length() const override
Definition: crc24.h:25
final
int(* final)(unsigned char *, CTX *)
Definition: commoncrypto_hash.cpp:28
BOTAN_PUBLIC_API
#define BOTAN_PUBLIC_API(maj, min)
Definition: compiler.h:31
Botan::CRC24::~CRC24
~CRC24()
Definition: crc24.h:32
Botan::CRC24::CRC24
CRC24()
Definition: crc24.h:31
Botan::CRC24
Definition: crc24.h:21
Botan::CRC24::clear
void clear() override
Definition: crc24.h:29
Botan::CRC24::clone
HashFunction * clone() const override
Definition: crc24.h:26
Botan
Definition: alg_id.cpp:13
Botan::HashFunction
Definition: hash.h:20
Botan::HashFunction::clear
virtual void clear()=0
Botan::HashFunction::copy_state
virtual std::unique_ptr< HashFunction > copy_state() const =0
BOTAN_FUTURE_INTERNAL_HEADER
#define BOTAN_FUTURE_INTERNAL_HEADER(hdr)
Definition: compiler.h:139