/**
* 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.geronimo.crypto.asn1.x509;
import org.apache.geronimo.crypto.asn1.ASN1Encodable;
import org.apache.geronimo.crypto.asn1.ASN1EncodableVector;
import org.apache.geronimo.crypto.asn1.ASN1Sequence;
import org.apache.geronimo.crypto.asn1.ASN1TaggedObject;
import org.apache.geronimo.crypto.asn1.DERBitString;
import org.apache.geronimo.crypto.asn1.DEREnumerated;
import org.apache.geronimo.crypto.asn1.DERObject;
import org.apache.geronimo.crypto.asn1.DERObjectIdentifier;
import org.apache.geronimo.crypto.asn1.DERSequence;
import org.apache.geronimo.crypto.asn1.x509.AlgorithmIdentifier;
public class ObjectDigestInfo
extends ASN1Encodable
{
DEREnumerated digestedObjectType;
DERObjectIdentifier otherObjectTypeID;
AlgorithmIdentifier digestAlgorithm;
DERBitString objectDigest;
public static ObjectDigestInfo getInstance(
Object obj)
{
if (obj == null || obj instanceof ObjectDigestInfo)
{
return (ObjectDigestInfo)obj;
}
if (obj instanceof ASN1Sequence)
{
return new ObjectDigestInfo((ASN1Sequence)obj);
}
throw new IllegalArgumentException("illegal object in getInstance: " + obj.getClass().getName());
}
public static ObjectDigestInfo getInstance(
ASN1TaggedObject obj,
boolean explicit)
{
return getInstance(ASN1Sequence.getInstance(obj, explicit));
}
public ObjectDigestInfo(ASN1Sequence seq)
{
digestedObjectType = DEREnumerated.getInstance(seq.getObjectAt(0));
int offset = 0;
if (seq.size() == 4)
{
otherObjectTypeID = DERObjectIdentifier.getInstance(seq.getObjectAt(1));
offset++;
}
digestAlgorithm = AlgorithmIdentifier.getInstance(seq.getObjectAt(1 + offset));
objectDigest = new DERBitString(seq.getObjectAt(2 + offset));
}
public DEREnumerated getDigestedObjectType()
{
return digestedObjectType;
}
public DERObjectIdentifier getOtherObjectTypeID()
{
return otherObjectTypeID;
}
public AlgorithmIdentifier getDigestAlgorithm()
{
return digestAlgorithm;
}
public DERBitString getObjectDigest()
{
return objectDigest;
}
/**
* Produce an object suitable for an ASN1OutputStream.
*
* <pre>
*
* ObjectDigestInfo ::= SEQUENCE {
* digestedObjectType ENUMERATED {
* publicKey (0),
* publicKeyCert (1),
* otherObjectTypes (2) },
* -- otherObjectTypes MUST NOT
* -- be used in this profile
* otherObjectTypeID OBJECT IDENTIFIER OPTIONAL,
* digestAlgorithm AlgorithmIdentifier,
* objectDigest BIT STRING
* }
*
* </pre>
*/
public DERObject toASN1Object()
{
ASN1EncodableVector v = new ASN1EncodableVector();
v.add(digestedObjectType);
if (otherObjectTypeID != null)
{
v.add(otherObjectTypeID);
}
v.add(digestAlgorithm);
v.add(objectDigest);
return new DERSequence(v);
}
}