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// --- BEGIN COPYRIGHT BLOCK ---
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program 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 for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// (C) 2007 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---
package com.netscape.cmsutil.ocsp;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import org.mozilla.jss.asn1.ASN1Template;
import org.mozilla.jss.asn1.ASN1Value;
import org.mozilla.jss.asn1.InvalidBERException;
import org.mozilla.jss.asn1.OCTET_STRING;
import org.mozilla.jss.asn1.SEQUENCE;
import org.mozilla.jss.asn1.Tag;
/**
* RFC 2560:
*
* <pre>
* ResponderID ::= CHOICE {
* byName [1] EXPLICIT Name,
* byKey [2] EXPLICIT KeyHash }
* </pre>
*
* @version $Revision$ $Date$
*/
public class KeyHashID implements ResponderID {
private OCTET_STRING _hash = null;
private static final Tag TAG = SEQUENCE.TAG;
public KeyHashID(OCTET_STRING hash) {
_hash = hash;
}
public Tag getTag() {
return Tag.get(2);
}
public void encode(Tag tag, OutputStream os) throws IOException {
_hash.encode(os);
}
public void encode(OutputStream os) throws IOException {
_hash.encode(os);
}
public OCTET_STRING getHash() {
return _hash;
}
private static final Template templateInstance = new Template();
public static Template getTemplate() {
return templateInstance;
}
/**
* A Template for decoding <code>ResponseBytes</code>.
*/
public static class Template implements ASN1Template {
private SEQUENCE.Template seqt;
public Template() {
seqt = new SEQUENCE.Template();
// seqt.addElement(new EXPLICIT.Template(
// new Tag (2), new OCTET_STRING.Template()) );
seqt.addElement(new OCTET_STRING.Template());
}
public boolean tagMatch(Tag tag) {
return TAG.equals(tag);
}
public ASN1Value decode(InputStream istream)
throws InvalidBERException, IOException {
return decode(TAG, istream);
}
public ASN1Value decode(Tag implicitTag, InputStream istream)
throws InvalidBERException, IOException {
SEQUENCE seq = (SEQUENCE) seqt.decode(implicitTag,
istream);
OCTET_STRING o = (OCTET_STRING) seq.elementAt(0);
return new KeyHashID(o);
}
}
}
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