/*
	PIP - Platform Independent Primitives
	Digest algorithms
	Ivan Pelipenko peri4ko@yandex.ru

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

	You should have received a copy of the GNU Lesser General Public License
	along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#include "pidigest.h"

#include "pidigest_md2_p.h"
#include "pidigest_md4_p.h"
#include "pidigest_md5_p.h"
#include "pidigest_sha1_p.h"
#include "pidigest_sha2_p.h"


int PIDigest::length(Type type) {
	switch (type) {
	case Type::MD2: return 16;
	case Type::MD4: return 16;
	case Type::MD5: return 16;
	case Type::SHA1: return 20;
	case Type::SHA2_224: return 28;
	case Type::SHA2_256: return 32;
	case Type::SHA2_384: return 48;
	case Type::SHA2_512: return 64;
	case Type::SHA2_512_224: return 28;
	case Type::SHA2_512_256: return 32;
	}
	return 0;
}


PIByteArray PIDigest::calculate(const PIByteArray & msg, Type type) {
	switch (type) {
	case Type::MD2: return MD2::md2(msg);
	case Type::MD4: return MD4::md4(msg);
	case Type::MD5: return MD5::md5(msg);
	case Type::SHA1: return SHA1::sha1(msg);
	case Type::SHA2_224: return SHA2::sha2xx(msg, SHA2::initial_224, 28);
	case Type::SHA2_256: return SHA2::sha2xx(msg, SHA2::initial_256, 32);
	case Type::SHA2_384: return SHA2::sha5xx(msg, SHA2::initial_384, 48);
	case Type::SHA2_512: return SHA2::sha5xx(msg, SHA2::initial_512, 64);
	case Type::SHA2_512_224: return SHA2::sha5xx(msg, SHA2::initial_512_224, 28);
	case Type::SHA2_512_256: return SHA2::sha5xx(msg, SHA2::initial_512_256, 32);
	}
	return {};
}