| /* |
| * 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.math.BigInteger; |
| import java.security.GeneralSecurityException; |
| import java.security.interfaces.RSAPublicKey; |
| import java.security.spec.RSAPublicKeySpec; |
| |
| import org.apache.sshd.common.config.keys.KeyUtils; |
| import org.apache.sshd.common.keyprovider.KeyPairProvider; |
| import org.apache.sshd.common.util.ValidateUtils; |
| import org.apache.sshd.common.util.buffer.Buffer; |
| |
| /** |
| * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a> |
| */ |
| public class RSABufferPublicKeyParser extends AbstractBufferPublicKeyParser<RSAPublicKey> { |
| public static final RSABufferPublicKeyParser INSTANCE = new RSABufferPublicKeyParser(); |
| |
| public RSABufferPublicKeyParser() { |
| super(RSAPublicKey.class, KeyPairProvider.SSH_RSA); |
| } |
| |
| @Override |
| public RSAPublicKey getRawPublicKey(String keyType, Buffer buffer) throws GeneralSecurityException { |
| ValidateUtils.checkTrue(isKeyTypeSupported(keyType), "Unsupported key type: %s", keyType); |
| BigInteger e = buffer.getMPInt(); |
| BigInteger n = buffer.getMPInt(); |
| return generatePublicKey(KeyUtils.RSA_ALGORITHM, new RSAPublicKeySpec(n, e)); |
| } |
| } |