/*
 * ArcEmu MMORPG Server
 * Copyright (C) 2008 <http://www.ArcEmu.org/>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * any later version.
 *
 * 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/>.
 *
 */

#include "Sha1.h"
#include <stdarg.h>

Sha1Hash::Sha1Hash()
{
	SHA1_Init(&mC);
}

Sha1Hash::~Sha1Hash()
{
	// nothing.. lol
}

void Sha1Hash::UpdateData(const uint8 *dta, int len)
{
	SHA1_Update(&mC, dta, len);
}

void Sha1Hash::UpdateData(const std::string &str)
{
	UpdateData((uint8 *)str.c_str(), (int)str.length());
}

void Sha1Hash::UpdateBigNumbers(BigNumber *bn0, ...)
{
	va_list v;
	BigNumber *bn;

	va_start(v, bn0);
	bn = bn0;
	while (bn)
	{
		UpdateData(bn->AsByteArray(), bn->GetNumBytes());
		bn = va_arg(v, BigNumber *);
	}
	va_end(v);
}

void Sha1Hash::Initialize()
{
	SHA1_Init(&mC);
}

void Sha1Hash::Finalize(void)
{
	SHA1_Final(mDigest, &mC);
}
