/usr/include/bitcoin/utility/sha256.hpp is in libbitcoin-dev 2.0-2.4.
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 | /*
* Copyright (c) 2011-2013 libbitcoin developers (see AUTHORS)
*
* This file is part of libbitcoin.
*
* libbitcoin is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License with
* additional permissions to the one published by the Free Software
* Foundation, either version 3 of the License, or (at your option)
* any later version. For more information see LICENSE.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef LIBBITCOIN_SHA256_HPP
#define LIBBITCOIN_SHA256_HPP
#include <openssl/sha.h>
#include <cstdint>
#include <bitcoin/types.hpp>
namespace libbitcoin {
constexpr size_t sha256_digest_size = SHA256_DIGEST_LENGTH;
static_assert(sha256_digest_size == 32, "SHA256_DIGEST_LENGTH not defined correctly!");
hash_digest generate_sha256_hash(const data_chunk& data);
uint32_t generate_sha256_checksum(const data_chunk& data);
} // namespace libbitcoin
#endif
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