All Downloads are FREE. Search and download functionalities are using the official Maven repository.

org.bouncycastle.asn1.x509.DigestInfo Maven / Gradle / Ivy

package org.bouncycastle.asn1.x509;

import java.util.Enumeration;

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.ASN1TaggedObject;
import org.bouncycastle.asn1.DEROctetString;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.util.Arrays;

/**
 * The DigestInfo object.
 * 
 * DigestInfo::=SEQUENCE{
 *          digestAlgorithm  AlgorithmIdentifier,
 *          digest OCTET STRING }
 * 
*/ public class DigestInfo extends ASN1Object { private byte[] digest; private AlgorithmIdentifier algId; public static DigestInfo getInstance( ASN1TaggedObject obj, boolean explicit) { return getInstance(ASN1Sequence.getInstance(obj, explicit)); } public static DigestInfo getInstance( Object obj) { if (obj instanceof DigestInfo) { return (DigestInfo)obj; } else if (obj != null) { return new DigestInfo(ASN1Sequence.getInstance(obj)); } return null; } public DigestInfo( AlgorithmIdentifier algId, byte[] digest) { this.digest = Arrays.clone(digest); this.algId = algId; } public DigestInfo( ASN1Sequence obj) { Enumeration e = obj.getObjects(); algId = AlgorithmIdentifier.getInstance(e.nextElement()); digest = ASN1OctetString.getInstance(e.nextElement()).getOctets(); } public AlgorithmIdentifier getAlgorithmId() { return algId; } public byte[] getDigest() { return Arrays.clone(digest); } public ASN1Primitive toASN1Primitive() { ASN1EncodableVector v = new ASN1EncodableVector(); v.add(algId); v.add(new DEROctetString(digest)); return new DERSequence(v); } }




© 2015 - 2024 Weber Informatics LLC | Privacy Policy