text: /*
   * This file is part of the VanitySearch distribution (https://github.com/JeanLucPons/VanitySearch).
   * Copyright (c) 2019 Jean Luc PONS.
   *
   * This program 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, version 3.
   *
   * 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
   * General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
  
  #ifndef SHA256_H
  #define SHA256_H
  #include <string>
  
  void sha256(uint8_t *input,size_t length, uint8_t *digest);
  void sha256_33(uint8_t *input, uint8_t *digest);
  void sha256_65(uint8_t *input, uint8_t *digest);
  void sha256_checksum(uint8_t *input, int length, uint8_t *checksum);
  void sha256sse_1B(uint32_t *i0, uint32_t *i1, uint32_t *i2, uint32_t *i3,
    uint8_t *d0, uint8_t *d1, uint8_t *d2, uint8_t *d3);
  void sha256sse_2B(uint32_t *i0, uint32_t *i1, uint32_t *i2, uint32_t *i3,
    uint8_t *d0, uint8_t *d1, uint8_t *d2, uint8_t *d3);
  void sha256sse_checksum(uint32_t *i0, uint32_t *i1, uint32_t *i2, uint32_t *i3,
    uint8_t *d0, uint8_t *d1, uint8_t *d2, uint8_t *d3);
  std::string sha256_hex(unsigned char *digest);
  void sha256sse_test();
  
  #endif