org.apache.sshd.common.config.keys.loader.openssh.kdf.RawKdfOptions Maven / Gradle / Ivy
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* 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.config.keys.loader.openssh.kdf;
import java.io.IOException;
import java.security.GeneralSecurityException;
import java.security.NoSuchAlgorithmException;
import java.util.Arrays;
import org.apache.sshd.common.NamedResource;
import org.apache.sshd.common.config.keys.loader.openssh.OpenSSHKdfOptions;
import org.apache.sshd.common.session.SessionContext;
import org.apache.sshd.common.util.GenericUtils;
import org.apache.sshd.common.util.NumberUtils;
import org.apache.sshd.common.util.buffer.BufferUtils;
/**
* Generic options
*
* @author Apache MINA SSHD Project
*/
public class RawKdfOptions implements OpenSSHKdfOptions {
private String name;
private byte[] options;
public RawKdfOptions() {
super();
}
@Override
public void initialize(String name, byte[] kdfOptions) throws IOException {
setName(name);
setOptions(options);
}
@Override
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public byte[] getOptions() {
return NumberUtils.emptyIfNull(options);
}
public void setOptions(byte[] options) {
this.options = NumberUtils.emptyIfNull(options);
}
@Override
public boolean isEncrypted() {
return !IS_NONE_KDF.test(getName());
}
@Override
public byte[] decodePrivateKeyBytes(
SessionContext session, NamedResource resourceKey, String cipherName, byte[] privateDataBytes, String password)
throws IOException, GeneralSecurityException {
throw new NoSuchAlgorithmException("Unsupported KDF algorithm (" + getName() + ")");
}
@Override
public int hashCode() {
return GenericUtils.hashCode(getName(), Boolean.FALSE) + Arrays.hashCode(getOptions());
}
@Override
public boolean equals(Object obj) {
if (obj == null) {
return false;
}
if (this == obj) {
return true;
}
if (getClass() != obj.getClass()) {
return false;
}
RawKdfOptions other = (RawKdfOptions) obj;
return (GenericUtils.safeCompare(getName(), other.getName(), false) == 0)
&& Arrays.equals(getOptions(), other.getOptions());
}
@Override
public String toString() {
return getName() + ": options=" + BufferUtils.toHex(':', getOptions());
}
}