Botan 2.19.5 Crypto and TLS for C&

adler32.h
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1/*
2* Adler32
3* (C) 1999-2007 Jack Lloyd
4*
5* Botan is released under the Simplified BSD License (see license.txt)
6*/
7
8#ifndef BOTAN_ADLER32_H_
9#define BOTAN_ADLER32_H_
10
11#include <botan/hash.h>
12
13 BOTAN_FUTURE_INTERNAL_HEADER(adler32.h)
14
15namespace Botan {
16
17/**
18* The Adler32 checksum, used in zlib
19*/
20 class BOTAN_PUBLIC_API(2,0) Adler32 final : public HashFunction
21 {
22 public:
23 std::string name() const override { return "Adler32"; }
24 size_t output_length() const override { return 4; }
25 HashFunction* clone() const override { return new Adler32; }
26 std::unique_ptr<HashFunction> copy_state() const override;
27
28 void clear() override { m_S1 = 1; m_S2 = 0; }
29
30 Adler32() { clear(); }
31 ~Adler32() { clear(); }
32 private:
33 void add_data(const uint8_t[], size_t) override;
34 void final_result(uint8_t[]) override;
35 uint16_t m_S1, m_S2;
36 };
37
38}
39
40#endif
Botan::Adler32
Definition: adler32.h:21
Botan::Adler32::~Adler32
~Adler32()
Definition: adler32.h:31
Botan::Adler32::output_length
size_t output_length() const override
Definition: adler32.h:24
Botan::Adler32::Adler32
Adler32()
Definition: adler32.h:30
Botan::Adler32::clear
void clear() override
Definition: adler32.h:28
Botan::Adler32::name
std::string name() const override
Definition: adler32.h:23
Botan::Adler32::clone
HashFunction * clone() const override
Definition: adler32.h:25
Botan::HashFunction
Definition: hash.h:21
Botan::HashFunction::copy_state
virtual std::unique_ptr< HashFunction > copy_state() const =0
Botan::HashFunction::clear
virtual void clear()=0
final
int(* final)(unsigned char *, CTX *)
Definition: commoncrypto_hash.cpp:29
BOTAN_PUBLIC_API
#define BOTAN_PUBLIC_API(maj, min)
Definition: compiler.h:31
BOTAN_FUTURE_INTERNAL_HEADER
#define BOTAN_FUTURE_INTERNAL_HEADER(hdr)
Definition: compiler.h:136
Botan
Definition: alg_id.cpp:13