Botan 2.19.2
Crypto and TLS for C&
par_hash.h
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1/*
2* Parallel Hash
3* (C) 1999-2007 Jack Lloyd
4*
5* Botan is released under the Simplified BSD License (see license.txt)
6*/
7
8#ifndef BOTAN_PARALLEL_HASH_H_
9#define BOTAN_PARALLEL_HASH_H_
10
11#include <botan/hash.h>
12#include <vector>
13
15
16namespace Botan {
17
18/**
19* Parallel Hashes
20*/
22 {
23 public:
24 void clear() override;
25 std::string name() const override;
26 HashFunction* clone() const override;
27 std::unique_ptr<HashFunction> copy_state() const override;
28
29 size_t output_length() const override;
30
31 /**
32 * @param hashes a set of hashes to compute in parallel
33 * Takes ownership of all pointers
34 */
35 explicit Parallel(std::vector<std::unique_ptr<HashFunction>>& hashes);
36
37 Parallel(const Parallel&) = delete;
38 Parallel& operator=(const Parallel&) = delete;
39 private:
40 Parallel() = delete;
41
42 void add_data(const uint8_t[], size_t) override;
43 void final_result(uint8_t[]) override;
44
45 std::vector<std::unique_ptr<HashFunction>> m_hashes;
46 };
47
48}
49
50#endif
virtual size_t output_length() const =0
virtual HashFunction * clone() const =0
virtual std::unique_ptr< HashFunction > copy_state() const =0
virtual std::string name() const =0
virtual void clear()=0
Parallel(const Parallel &)=delete
Parallel & operator=(const Parallel &)=delete
int(* final)(unsigned char *, CTX *)
#define BOTAN_PUBLIC_API(maj, min)
Definition: compiler.h:31
#define BOTAN_FUTURE_INTERNAL_HEADER(hdr)
Definition: compiler.h:136
Definition: alg_id.cpp:13