/* vi: set sw=4 ts=4:
 *
 * Copyright (C) 2001 - 2009 Christian Hohnstaedt.
 *
 * All rights reserved.
 */

#include "hashBox.h"
#include "lib/base.h"


static struct {
	const char *name;
	const EVP_MD *md;
} hashalgos[] = {
	{ "MD 5", EVP_md5() },
	{ "SHA 1", EVP_sha1() },
#ifdef HAS_SHA256
	{ "SHA 256", EVP_sha256() },
	{ "SHA 384", EVP_sha384() },
	{ "SHA 512", EVP_sha512() },
#endif
	{ "RIPEMD 160", EVP_ripemd160() },
};

QString hashBox::default_md = QString(hashalgos[1].name); /* SHA1 */

hashBox::hashBox(QWidget *parent)
	:QComboBox(parent)
{
	setupAllHashes();
	setDefaultHash();
}

void hashBox::setKeyType(int type)
{
	key_type = type;
}

const EVP_MD *hashBox::currentHash()
{
	switch(key_type) {
	case EVP_PKEY_DSA:
		return EVP_dss1();
	case EVP_PKEY_EC:
		return EVP_ecdsa();
	default:
		QString hash = currentText();
		for (unsigned i=0; i<ARRAY_SIZE(hashalgos); i++) {
			if (hash == hashalgos[i].name)
				return hashalgos[i].md;
		}
	}
	return NULL;
}

void hashBox::setupHashes(QList<int> nids)
{
	clear();
	for (unsigned i=0; i<ARRAY_SIZE(hashalgos); i++) {
		if (nids.contains(hashalgos[i].md->type)) {
			addItem(QString(hashalgos[i].name));
		}
	}
	setDefaultHash();
}

void hashBox::setupAllHashes()
{
	clear();
	for (unsigned i=0; i<ARRAY_SIZE(hashalgos); i++) {
		addItem(QString(hashalgos[i].name));
	}
}

QString hashBox::currentHashName()
{
	return currentText();
}

void hashBox::setDefaultHash()
{
	setCurrentIndex(findText(default_md));
}

void hashBox::setCurrentAsDefault()
{
	default_md = currentText();
}

void hashBox::setDefault(QString def)
{
	default_md = def;
}