/*

Copyright (C) 2016-2018 John W. Eaton

This file is part of Octave.

Octave is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

Octave 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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with Octave; see the file COPYING.  If not, see
<https://www.gnu.org/licenses/>.

*/

#if ! defined (octave_lo_hash_h)
#define octave_lo_hash_h 1

#include "octave-config.h"

#include <string>

namespace octave
{
  namespace crypto
  {
    typedef void * (hash_fptr) (const char *buffer, size_t len, void *res);

    std::string
    hash (hash_fptr hash_fcn, const std::string& str, int result_buf_len);

    int md2_digest_size (void);
    int md4_digest_size (void);
    int md5_digest_size (void);
    int sha1_digest_size (void);
    int sha224_digest_size (void);
    int sha256_digest_size (void);
    int sha384_digest_size (void);
    int sha512_digest_size (void);

    std::string md2_hash (const std::string& str);
    std::string md4_hash (const std::string& str);
    std::string md5_hash (const std::string& str);
    std::string sha1_hash (const std::string& str);
    std::string sha224_hash (const std::string& str);
    std::string sha256_hash (const std::string& str);
    std::string sha384_hash (const std::string& str);
    std::string sha512_hash (const std::string& str);

    std::string hash (const std::string& hash_type, const std::string& str);
  }
}

#endif
