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The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5 to JDK 1.8 with debug enabled.

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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;

/**
 * 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 = 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 digest; } public ASN1Primitive toASN1Primitive() { ASN1EncodableVector v = new ASN1EncodableVector(); v.add(algId); v.add(new DEROctetString(digest)); return new DERSequence(v); } }




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