/*
* 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.
*/
package org.apache.sshd.common.util.buffer.keys;
import java.security.GeneralSecurityException;
import java.security.PublicKey;
import org.apache.sshd.common.keyprovider.KeyPairProvider;
import org.apache.sshd.common.util.ValidateUtils;
import org.apache.sshd.common.util.buffer.Buffer;
import org.apache.sshd.common.util.security.SecurityUtils;
/**
* TODO complete this when SSHD-440 is done
* @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
*/
public class ED25519BufferPublicKeyParser extends AbstractBufferPublicKeyParser<PublicKey> {
public static final ED25519BufferPublicKeyParser INSTANCE = new ED25519BufferPublicKeyParser();
public ED25519BufferPublicKeyParser() {
super(PublicKey.class, KeyPairProvider.SSH_ED25519);
}
@Override
public PublicKey getRawPublicKey(String keyType, Buffer buffer) throws GeneralSecurityException {
ValidateUtils.checkTrue(isKeyTypeSupported(keyType), "Unsupported key type: %s", keyType);
byte[] seed = buffer.getBytes();
return SecurityUtils.generateEDDSAPublicKey(keyType, seed);
}
}