/* * Copyright (c) 1997, 2006, 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. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */package sun.security.x509;import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;import java.util.Enumeration;import sun.security.util.*;/** * This class defines the version of the X509 Certificate. * * @author Amit Kapoor * @author Hemma Prafullchandra * @see CertAttrSet */public class CertificateVersion implements CertAttrSet<String> { /** * X509Certificate Version 1 */ public static final int V1 = 0; /** * X509Certificate Version 2 */ public static final int V2 = 1; /** * X509Certificate Version 3 */ public static final int V3 = 2; /** * Identifier for this attribute, to be used with the * get, set, delete methods of Certificate, x509 type. */ public static final String IDENT = "x509.info.version"; /** * Sub attributes name for this CertAttrSet. */ public static final String NAME = "version"; public static final String VERSION = "number"; // Private data members int version = V1; // Returns the version number. private int getVersion() { return(version); } // Construct the class from the passed DerValue private void construct(DerValue derVal) throws IOException { if (derVal.isConstructed() && derVal.isContextSpecific()) { derVal = derVal.data.getDerValue(); version = derVal.getInteger(); if (derVal.data.available() != 0) { throw new IOException("X.509 version, bad format"); } } } /** * The default constructor for this class, * sets the version to 0 (i.e. X.509 version 1). */ public CertificateVersion() { version = V1; } /** * The constructor for this class for the required version. * * @param version the version for the certificate. * @exception IOException if the version is not valid. */ public CertificateVersion(int version) throws IOException { // check that it is a valid version if (version == V1 || version == V2 || version == V3) this.version = version; else { throw new IOException("X.509 Certificate version " + version + " not supported.\n"); } } /** * Create the object, decoding the values from the passed DER stream. * * @param in the DerInputStream to read the CertificateVersion from. * @exception IOException on decoding errors. */ public CertificateVersion(DerInputStream in) throws IOException { version = V1; DerValue derVal = in.getDerValue(); construct(derVal); } /** * Create the object, decoding the values from the passed stream. * * @param in the InputStream to read the CertificateVersion from. * @exception IOException on decoding errors. */ public CertificateVersion(InputStream in) throws IOException { version = V1; DerValue derVal = new DerValue(in); construct(derVal); } /** * Create the object, decoding the values from the passed DerValue. * * @param val the Der encoded value. * @exception IOException on decoding errors. */ public CertificateVersion(DerValue val) throws IOException { version = V1; construct(val); } /** * Return the version number of the certificate. */ public String toString() { return("Version: V" + (version+1)); } /** * Encode the CertificateVersion period in DER form to the stream. * * @param out the OutputStream to marshal the contents to. * @exception IOException on errors. */ public void encode(OutputStream out) throws IOException { // Nothing for default if (version == V1) { return; } DerOutputStream tmp = new DerOutputStream(); tmp.putInteger(version); DerOutputStream seq = new DerOutputStream(); seq.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0), tmp); out.write(seq.toByteArray()); } /** * Set the attribute value. */ public void set(String name, Object obj) throws IOException { if (!(obj instanceof Integer)) { throw new IOException("Attribute must be of type Integer."); } if (name.equalsIgnoreCase(VERSION)) { version = ((Integer)obj).intValue(); } else { throw new IOException("Attribute name not recognized by " + "CertAttrSet: CertificateVersion."); } } /** * Get the attribute value. */ public Object get(String name) throws IOException { if (name.equalsIgnoreCase(VERSION)) { return(new Integer(getVersion())); } else { throw new IOException("Attribute name not recognized by " + "CertAttrSet: CertificateVersion."); } } /** * Delete the attribute value. */ public void delete(String name) throws IOException { if (name.equalsIgnoreCase(VERSION)) { version = V1; } else { throw new IOException("Attribute name not recognized by " + "CertAttrSet: CertificateVersion."); } } /** * Return an enumeration of names of attributes existing within this * attribute. */ public Enumeration<String> getElements() { AttributeNameEnumeration elements = new AttributeNameEnumeration(); elements.addElement(VERSION); return (elements.elements()); } /** * Return the name of this attribute. */ public String getName() { return(NAME); } /** * Compare versions. */ public int compare(int vers) { return(version - vers); }}
/*
* Copyright (c) 1997, 2006, 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.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package sun.security.x509;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Enumeration;
import sun.security.util.*;
/**
* This class defines the version of the X509 Certificate.
*
* @author Amit Kapoor
* @author Hemma Prafullchandra
* @see CertAttrSet
*/
public class CertificateVersion implements CertAttrSet<String> {
/**
* X509Certificate Version 1
*/
public static final int V1 = 0;
/**
* X509Certificate Version 2
*/
public static final int V2 = 1;
/**
* X509Certificate Version 3
*/
public static final int V3 = 2;
/**
* Identifier for this attribute, to be used with the
* get, set, delete methods of Certificate, x509 type.
*/
public static final String IDENT = "x509.info.version";
/**
* Sub attributes name for this CertAttrSet.
*/
public static final String NAME = "version";
public static final String VERSION = "number";
// Private data members
int version = V1;
// Returns the version number.
private int getVersion() {
return(version);
}
// Construct the class from the passed DerValue
private void construct(DerValue derVal) throws IOException {
if (derVal.isConstructed() && derVal.isContextSpecific()) {
derVal = derVal.data.getDerValue();
version = derVal.getInteger();
if (derVal.data.available() != 0) {
throw new IOException("X.509 version, bad format");
}
}
}
/**
* The default constructor for this class,
* sets the version to 0 (i.e. X.509 version 1).
*/
public CertificateVersion() {
version = V1;
}
/**
* The constructor for this class for the required version.
*
* @param version the version for the certificate.
* @exception IOException if the version is not valid.
*/
public CertificateVersion(int version) throws IOException {
// check that it is a valid version
if (version == V1 || version == V2 || version == V3)
this.version = version;
else {
throw new IOException("X.509 Certificate version " +
version + " not supported.\n");
}
}
/**
* Create the object, decoding the values from the passed DER stream.
*
* @param in the DerInputStream to read the CertificateVersion from.
* @exception IOException on decoding errors.
*/
public CertificateVersion(DerInputStream in) throws IOException {
version = V1;
DerValue derVal = in.getDerValue();
construct(derVal);
}
/**
* Create the object, decoding the values from the passed stream.
*
* @param in the InputStream to read the CertificateVersion from.
* @exception IOException on decoding errors.
*/
public CertificateVersion(InputStream in) throws IOException {
version = V1;
DerValue derVal = new DerValue(in);
construct(derVal);
}
/**
* Create the object, decoding the values from the passed DerValue.
*
* @param val the Der encoded value.
* @exception IOException on decoding errors.
*/
public CertificateVersion(DerValue val) throws IOException {
version = V1;
construct(val);
}
/**
* Return the version number of the certificate.
*/
public String toString() {
return("Version: V" + (version+1));
}
/**
* Encode the CertificateVersion period in DER form to the stream.
*
* @param out the OutputStream to marshal the contents to.
* @exception IOException on errors.
*/
public void encode(OutputStream out) throws IOException {
// Nothing for default
if (version == V1) {
return;
}
DerOutputStream tmp = new DerOutputStream();
tmp.putInteger(version);
DerOutputStream seq = new DerOutputStream();
seq.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0),
tmp);
out.write(seq.toByteArray());
}
/**
* Set the attribute value.
*/
public void set(String name, Object obj) throws IOException {
if (!(obj instanceof Integer)) {
throw new IOException("Attribute must be of type Integer.");
}
if (name.equalsIgnoreCase(VERSION)) {
version = ((Integer)obj).intValue();
} else {
throw new IOException("Attribute name not recognized by " +
"CertAttrSet: CertificateVersion.");
}
}
/**
* Get the attribute value.
*/
public Object get(String name) throws IOException {
if (name.equalsIgnoreCase(VERSION)) {
return(new Integer(getVersion()));
} else {
throw new IOException("Attribute name not recognized by " +
"CertAttrSet: CertificateVersion.");
}
}
/**
* Delete the attribute value.
*/
public void delete(String name) throws IOException {
if (name.equalsIgnoreCase(VERSION)) {
version = V1;
} else {
throw new IOException("Attribute name not recognized by " +
"CertAttrSet: CertificateVersion.");
}
}
/**
* Return an enumeration of names of attributes existing within this
* attribute.
*/
public Enumeration<String> getElements() {
AttributeNameEnumeration elements = new AttributeNameEnumeration();
elements.addElement(VERSION);
return (elements.elements());
}
/**
* Return the name of this attribute.
*/
public String getName() {
return(NAME);
}
/**
* Compare versions.
*/
public int compare(int vers) {
return(version - vers);
}
}