/*
 Copyright (c) 2011, Micael Hildenborg
 All rights reserved.

 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are met:
	* Redistributions of source code must retain the above copyright
	  notice, this list of conditions and the following disclaimer.
	* 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.
	* Neither the name of Micael Hildenborg nor the
	  names of its contributors may be used to endorse or promote products
	  derived from this software without specific prior written permission.

 THIS SOFTWARE IS PROVIDED BY Micael Hildenborg ''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 Micael Hildenborg 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.
 */

/*
 Modified by the Exult Team. 2021-2022
*/

#ifndef SHA1_DEFINED
#define SHA1_DEFINED

#include <array>

namespace sha1 {
	using HashBytes  = std::array<unsigned char, 20>;
	using HashString = std::array<char, 41>;
	/**
	 @param src points to any kind of data to be hashed.
	 @param bytelength the number of bytes to hash from the src pointer.
	 @return the sha1 result.
	 */
	HashBytes calc(const void* src, const int bytelength);

	/**
	 @param hash is the same data that is the result from the calc function.
	 @return a hexadecimal representation of the hash. A zero will be written at
	 position 40, so the buffer will be a valid zero ended string.
	 */
	HashString toHexString(const HashBytes& hash);

}    // namespace sha1

#endif    // SHA1_DEFINED
