org.apache.sshd.common.util.buffer.keys.OpenSSHCertPublicKeyParser Maven / Gradle / Ivy
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* to you under the Apache License, Version 2.0 (the
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* http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.sshd.common.util.buffer.keys;
import java.security.GeneralSecurityException;
import java.security.InvalidKeyException;
import java.security.PublicKey;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import org.apache.sshd.common.SshException;
import org.apache.sshd.common.config.keys.OpenSshCertificate;
import org.apache.sshd.common.config.keys.OpenSshCertificateImpl;
import org.apache.sshd.common.keyprovider.KeyPairProvider;
import org.apache.sshd.common.util.buffer.Buffer;
import org.apache.sshd.common.util.buffer.ByteArrayBuffer;
public class OpenSSHCertPublicKeyParser extends AbstractBufferPublicKeyParser {
public static final List KEY_TYPES = Collections.unmodifiableList(
Arrays.asList(
KeyPairProvider.SSH_RSA_CERT,
KeyPairProvider.SSH_DSS_CERT,
KeyPairProvider.SSH_ECDSA_SHA2_NISTP256_CERT,
KeyPairProvider.SSH_ECDSA_SHA2_NISTP384_CERT,
KeyPairProvider.SSH_ECDSA_SHA2_NISTP521_CERT,
KeyPairProvider.SSH_ED25519_CERT));
public static final OpenSSHCertPublicKeyParser INSTANCE = new OpenSSHCertPublicKeyParser();
public OpenSSHCertPublicKeyParser() {
super(OpenSshCertificate.class, KEY_TYPES);
}
@Override
public OpenSshCertificate getRawPublicKey(String keyType, Buffer buffer) throws GeneralSecurityException {
OpenSshCertificateImpl certificate = new OpenSshCertificateImpl();
certificate.setKeyType(keyType);
certificate.setNonce(buffer.getBytes());
String rawKeyType = certificate.getRawKeyType();
PublicKey serverHostKey = DEFAULT.getRawPublicKey(rawKeyType, buffer);
certificate.setServerHostKey(serverHostKey);
certificate.setSerial(buffer.getLong());
certificate.setType(buffer.getInt());
certificate.setId(buffer.getString());
Collection principals = new ByteArrayBuffer(buffer.getBytes()).getStringList(false);
certificate.setPrincipals(principals);
certificate.setValidAfter(buffer.getLong());
certificate.setValidBefore(buffer.getLong());
certificate.setCriticalOptions(buffer.getNameList());
certificate.setExtensions(buffer.getNameList());
certificate.setReserved(buffer.getString());
try {
certificate.setCaPubKey(buffer.getPublicKey());
} catch (SshException ex) {
throw new InvalidKeyException("Could not parse public CA key with ID: " + certificate.getId(), ex);
}
certificate.setMessage(buffer.getBytesConsumed());
certificate.setSignature(buffer.getBytes());
if (buffer.rpos() != buffer.wpos()) {
throw new InvalidKeyException(
"KeyExchange signature verification failed, got more data than expected: "
+ buffer.rpos() + ", actual: " + buffer.wpos() + ". ID of the ca certificate: "
+ certificate.getId());
}
return certificate;
}
}