/usr/include/botan-2/botan/par_hash.h is in libbotan-2-dev 2.4.0-5ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 | /*
* 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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