package org.bouncycastle.asn1.tsp;
import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1OctetString;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.DEROctetString;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
public class MessageImprint
extends ASN1Object
{
AlgorithmIdentifier hashAlgorithm;
byte[] hashedMessage;
/**
* @param o
* @return a MessageImprint object.
*/
public static MessageImprint getInstance(Object o)
{
if (o instanceof MessageImprint)
{
return (MessageImprint)o;
}
if (o != null)
{
return new MessageImprint(ASN1Sequence.getInstance(o));
}
return null;
}
private MessageImprint(
ASN1Sequence seq)
{
this.hashAlgorithm = AlgorithmIdentifier.getInstance(seq.getObjectAt(0));
this.hashedMessage = ASN1OctetString.getInstance(seq.getObjectAt(1)).getOctets();
}
public MessageImprint(
AlgorithmIdentifier hashAlgorithm,
byte[] hashedMessage)
{
this.hashAlgorithm = hashAlgorithm;
this.hashedMessage = hashedMessage;
}
public AlgorithmIdentifier getHashAlgorithm()
{
return hashAlgorithm;
}
public byte[] getHashedMessage()
{
return hashedMessage;
}
/**
* <pre>
* MessageImprint ::= SEQUENCE {
* hashAlgorithm AlgorithmIdentifier,
* hashedMessage OCTET STRING }
* </pre>
*/
public ASN1Primitive toASN1Primitive()
{
ASN1EncodableVector v = new ASN1EncodableVector();
v.add(hashAlgorithm);
v.add(new DEROctetString(hashedMessage));
return new DERSequence(v);
}
}