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/*
* Copyright (c) 2022 Ribose Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef CRYPTO_HASH_BOTAN_HPP_
#define CRYPTO_HASH_BOTAN_HPP_
#include "hash.hpp"
#include <botan/hash.h>
namespace rnp {
class Hash_Botan : public Hash {
private:
std::unique_ptr<Botan::HashFunction> fn_;
Hash_Botan(pgp_hash_alg_t alg);
Hash_Botan(const Hash_Botan &src);
public:
virtual ~Hash_Botan();
static std::unique_ptr<Hash_Botan> create(pgp_hash_alg_t alg);
std::unique_ptr<Hash> clone() const override;
void add(const void *buf, size_t len) override;
size_t finish(uint8_t *digest = NULL) override;
static const char *name_backend(pgp_hash_alg_t alg);
};
class CRC24_Botan : public CRC24 {
std::unique_ptr<Botan::HashFunction> fn_;
CRC24_Botan();
public:
virtual ~CRC24_Botan();
static std::unique_ptr<CRC24_Botan> create();
void add(const void *buf, size_t len) override;
std::array<uint8_t, 3> finish() override;
};
} // namespace rnp
#endif