/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "DefaultMessageDigestProviderService.h"

#include <decaf/internal/security/provider/crypto/MD4MessageDigestSpi.h>
#include <decaf/internal/security/provider/crypto/MD5MessageDigestSpi.h>
#include <decaf/internal/security/provider/crypto/SHA1MessageDigestSpi.h>

using namespace decaf;
using namespace decaf::security;
using namespace decaf::internal;
using namespace decaf::internal::security;
using namespace decaf::internal::security::provider;
using namespace decaf::internal::security::provider::crypto;

////////////////////////////////////////////////////////////////////////////////
DefaultMessageDigestProviderService::DefaultMessageDigestProviderService(
    const Provider* provider, const std::string& algorithmName) :
        ProviderService(provider, "MessageDigest", algorithmName) {
}

////////////////////////////////////////////////////////////////////////////////
DefaultMessageDigestProviderService::~DefaultMessageDigestProviderService() {
}

////////////////////////////////////////////////////////////////////////////////
SecuritySpi* DefaultMessageDigestProviderService::newInstance() {

    if (getAlgorithm() == "MD4") {
        return new MD4MessageDigestSpi();
    } else if (getAlgorithm() == "MD5") {
        return new MD5MessageDigestSpi();
    } else {
        return new SHA1MessageDigestSpi();
    }

    return NULL;
}