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/*
* Parallel Hash
* (C) 1999-2007 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_PARALLEL_HASH_H__
#define BOTAN_PARALLEL_HASH_H__
#include <botan/hash.h>
#include <vector>
namespace Botan {
/**
* Parallel Hashes
*/
class BOTAN_PUBLIC_API(2,0) Parallel final : public HashFunction
{
public:
void clear() override;
std::string name() const override;
HashFunction* clone() const override;
std::unique_ptr<HashFunction> copy_state() const override;
size_t output_length() const override;
/**
* @param hashes a set of hashes to compute in parallel
* Takes ownership of all pointers
*/
explicit Parallel(std::vector<std::unique_ptr<HashFunction>>& hashes);
Parallel(const Parallel&) = delete;
Parallel& operator=(const Parallel&) = delete;
private:
Parallel() = delete;
void add_data(const uint8_t[], size_t) override;
void final_result(uint8_t[]) override;
std::vector<std::unique_ptr<HashFunction>> m_hashes;
};
}
#endif
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