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* Copyright (c) 1997, 2001, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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package com.sun.security.cert.internal.x509;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.Serializable;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.OutputStream;
import java.io.ObjectOutputStream;
import java.math.BigInteger;
import java.security.Signature;
import javax.security.cert.*;
import java.security.*;
import java.util.Date;
import java.util.BitSet;
import java.util.Enumeration;
import java.util.Vector;
/**
* The X509V1CertImpl class is used as a conversion wrapper around
* sun.security.x509.X509Cert certificates when running under JDK1.1.x.
*
* @author Jeff Nisewanger
*/
public class X509V1CertImpl extends X509Certificate implements Serializable {
static final long serialVersionUID = -2048442350420423405L;
private java.security.cert.X509Certificate wrappedCert;
synchronized private static java.security.cert.CertificateFactory
getFactory()
throws java.security.cert.CertificateException
{
return java.security.cert.CertificateFactory.getInstance("X.509");
}
/**
* Default constructor.
*/
public X509V1CertImpl() { }
/**
* Unmarshals a certificate from its encoded form, parsing the
* encoded bytes. This form of constructor is used by agents which
* need to examine and use certificate contents. That is, this is
* one of the more commonly used constructors. Note that the buffer
* must include only a certificate, and no "garbage" may be left at
* the end. If you need to ignore data at the end of a certificate,
* use another constructor.
*
* @param certData the encoded bytes, with no trailing padding.
* @exception CertificateException on parsing errors.
*/
public X509V1CertImpl(byte[] certData)
throws CertificateException {
try {
ByteArrayInputStream bs;
bs = new ByteArrayInputStream(certData);
wrappedCert = (java.security.cert.X509Certificate)
getFactory().generateCertificate(bs);
} catch (java.security.cert.CertificateException e) {
throw new CertificateException(e.getMessage());
}
}
/**
* unmarshals an X.509 certificate from an input stream.
*
* @param in an input stream holding at least one certificate
* @exception CertificateException on parsing errors.
*/
public X509V1CertImpl(InputStream in)
throws CertificateException {
try {
wrappedCert = (java.security.cert.X509Certificate)
getFactory().generateCertificate(in);
} catch (java.security.cert.CertificateException e) {
throw new CertificateException(e.getMessage());
}
}
/**
* Returns the encoded form of this certificate. It is
* assumed that each certificate type would have only a single
* form of encoding; for example, X.509 certificates would
* be encoded as ASN.1 DER.
*/
public byte[] getEncoded() throws CertificateEncodingException {
try {
return wrappedCert.getEncoded();
} catch (java.security.cert.CertificateEncodingException e) {
throw new CertificateEncodingException(e.getMessage());
}
}
/**
* Throws an exception if the certificate was not signed using the
* verification key provided. Successfully verifying a certificate
* does <em>not</em> indicate that one should trust the entity which
* it represents.
*
* @param key the public key used for verification.
*/
public void verify(PublicKey key)
throws CertificateException, NoSuchAlgorithmException,
InvalidKeyException, NoSuchProviderException,
SignatureException
{
try {
wrappedCert.verify(key);
} catch (java.security.cert.CertificateException e) {
throw new CertificateException(e.getMessage());
}
}
/**
* Throws an exception if the certificate was not signed using the
* verification key provided. Successfully verifying a certificate
* does <em>not</em> indicate that one should trust the entity which
* it represents.
*
* @param key the public key used for verification.
* @param sigProvider the name of the provider.
*/
public void verify(PublicKey key, String sigProvider)
throws CertificateException, NoSuchAlgorithmException,
InvalidKeyException, NoSuchProviderException,
SignatureException
{
try {
wrappedCert.verify(key, sigProvider);
} catch (java.security.cert.CertificateException e) {
throw new CertificateException(e.getMessage());
}
}
/**
* Checks that the certificate is currently valid, i.e. the current
* time is within the specified validity period.
*/
public void checkValidity() throws
CertificateExpiredException, CertificateNotYetValidException {
checkValidity(new Date());
}
/**
* Checks that the specified date is within the certificate's
* validity period, or basically if the certificate would be
* valid at the specified date/time.
*
* @param date the Date to check against to see if this certificate
* is valid at that date/time.
*/
public void checkValidity(Date date) throws
CertificateExpiredException, CertificateNotYetValidException {
try {
wrappedCert.checkValidity(date);
} catch (java.security.cert.CertificateNotYetValidException e) {
throw new CertificateNotYetValidException(e.getMessage());
} catch (java.security.cert.CertificateExpiredException e) {
throw new CertificateExpiredException(e.getMessage());
}
}
/**
* Returns a printable representation of the certificate. This does not
* contain all the information available to distinguish this from any
* other certificate. The certificate must be fully constructed
* before this function may be called.
*/
public String toString() {
return wrappedCert.toString();
}
/**
* Gets the publickey from this certificate.
*
* @return the publickey.
*/
public PublicKey getPublicKey() {
PublicKey key = wrappedCert.getPublicKey();
return key;
}
/*
* Gets the version number from the certificate.
*
* @return the version number.
*/
public int getVersion() {
return wrappedCert.getVersion() - 1;
}
/**
* Gets the serial number from the certificate.
*
* @return the serial number.
*/
public BigInteger getSerialNumber() {
return wrappedCert.getSerialNumber();
}
/**
* Gets the subject distinguished name from the certificate.
*
* @return the subject name.
* @exception CertificateException if a parsing error occurs.
*/
public Principal getSubjectDN() {
return wrappedCert.getSubjectDN();
}
/**
* Gets the issuer distinguished name from the certificate.
*
* @return the issuer name.
* @exception CertificateException if a parsing error occurs.
*/
public Principal getIssuerDN() {
return wrappedCert.getIssuerDN();
}
/**
* Gets the notBefore date from the validity period of the certificate.
*
* @return the start date of the validity period.
* @exception CertificateException if a parsing error occurs.
*/
public Date getNotBefore() {
return wrappedCert.getNotBefore();
}
/**
* Gets the notAfter date from the validity period of the certificate.
*
* @return the end date of the validity period.
* @exception CertificateException if a parsing error occurs.
*/
public Date getNotAfter() {
return wrappedCert.getNotAfter();
}
/**
* Gets the signature algorithm name for the certificate
* signature algorithm.
* For example, the string "SHA1/DSA".
*
* @return the signature algorithm name.
* @exception CertificateException if a parsing error occurs.
*/
public String getSigAlgName() {
return wrappedCert.getSigAlgName();
}
/**
* Gets the signature algorithm OID string from the certificate.
* For example, the string "1.2.840.10040.4.3"
*
* @return the signature algorithm oid string.
* @exception CertificateException if a parsing error occurs.
*/
public String getSigAlgOID() {
return wrappedCert.getSigAlgOID();
}
/**
* Gets the DER encoded signature algorithm parameters from this
* certificate's signature algorithm.
*
* @return the DER encoded signature algorithm parameters, or
* null if no parameters are present.
* @exception CertificateException if a parsing error occurs.
*/
public byte[] getSigAlgParams() {
return wrappedCert.getSigAlgParams();
}
private synchronized void writeObject(ObjectOutputStream stream)
throws IOException {
try {
stream.write(getEncoded());
} catch (CertificateEncodingException e) {
throw new IOException("getEncoded failed: " + e.getMessage());
}
}
private synchronized void readObject(ObjectInputStream stream)
throws IOException {
try {
wrappedCert = (java.security.cert.X509Certificate)
getFactory().generateCertificate(stream);
} catch (java.security.cert.CertificateException e) {
throw new IOException("generateCertificate failed: " + e.getMessage());
}
}
public java.security.cert.X509Certificate getX509Certificate() {
return wrappedCert;
}
}