/*
* 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.security.eddsa;
import net.i2p.crypto.eddsa.EdDSAEngine;
import org.apache.sshd.common.keyprovider.KeyPairProvider;
import org.apache.sshd.common.signature.AbstractSignature;
import org.apache.sshd.common.util.Pair;
import org.apache.sshd.common.util.ValidateUtils;
/**
* @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
*/
public class SignatureEd25519 extends AbstractSignature {
public SignatureEd25519() {
super(EdDSAEngine.SIGNATURE_ALGORITHM);
}
@Override
public boolean verify(byte[] sig) throws Exception {
byte[] data = sig;
Pair<String, byte[]> encoding = extractEncodedSignature(data);
if (encoding != null) {
String keyType = encoding.getFirst();
ValidateUtils.checkTrue(KeyPairProvider.SSH_ED25519.equals(keyType), "Mismatched key type: %s", keyType);
data = encoding.getSecond();
}
return doVerify(data);
}
}