sha512.cpp

//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------//
// http://ru.wikipedia.org/wiki/SHA-2
// wrapper for SHA512 from http://ftp.gnu.org/gnu/coreutils/coreutils-8.21.tar.xz
// Alexey Potehin <gnuplanet@gmail.com>, http://www.gnuplanet.ru/doc/cv
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------//
#include <stdio.h>
#include "sha512.hpp"
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------//
// constructor
sha512_t::sha512_t()
{
	this->psha512_item = NULL;
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------//
// open operation
void sha512_t::open(sha512_item_t *psha512_item)
{
	sha512_init_ctx(&this->ctx);

	this->psha512_item = psha512_item;
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------//
// update hash
void sha512_t::update(const void * const p, uint64_t size)
{
	if (this->psha512_item == NULL) return;
	sha512_process_bytes(p, size, &this->ctx);
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------//
// close operation
void sha512_t::close()
{
	sha512_finish_ctx(&this->ctx, this->psha512_item);
	this->psha512_item = NULL;
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------//