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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. Note: this package includes the NTRU encryption algorithms.

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package org.bouncycastle.asn1.dvcs;

import org.bouncycastle.asn1.ASN1Choice;
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.asn1.DERTaggedObject;
import org.bouncycastle.asn1.x509.DigestInfo;

/**
 * 
 * Data ::= CHOICE {
 *   message           OCTET STRING ,
 *   messageImprint    DigestInfo,
 *   certs             [0] SEQUENCE SIZE (1..MAX) OF
 *                         TargetEtcChain
 * }
 * 
*/ public class Data extends ASN1Object implements ASN1Choice { private ASN1OctetString message; private DigestInfo messageImprint; private ASN1Sequence certs; public Data(byte[] messageBytes) { this.message = new DEROctetString(messageBytes); } public Data(ASN1OctetString message) { this.message = message; } public Data(DigestInfo messageImprint) { this.messageImprint = messageImprint; } public Data(TargetEtcChain cert) { this.certs = new DERSequence(cert); } public Data(TargetEtcChain[] certs) { this.certs = new DERSequence(certs); } private Data(ASN1Sequence certs) { this.certs = certs; } public static Data getInstance(Object obj) { if (obj instanceof Data) { return (Data)obj; } else if (obj instanceof ASN1OctetString) { return new Data((ASN1OctetString)obj); } else if (obj instanceof ASN1Sequence) { return new Data(DigestInfo.getInstance(obj)); } else if (obj instanceof ASN1TaggedObject) { return new Data(ASN1Sequence.getInstance((ASN1TaggedObject)obj, false)); } throw new IllegalArgumentException("Unknown object submitted to getInstance: " + obj.getClass().getName()); } public static Data getInstance( ASN1TaggedObject obj, boolean explicit) { return getInstance(obj.getObject()); } public ASN1Primitive toASN1Primitive() { if (message != null) { return message.toASN1Primitive(); } if (messageImprint != null) { return messageImprint.toASN1Primitive(); } else { return new DERTaggedObject(false, 0, certs); } } public String toString() { if (message != null) { return "Data {\n" + message + "}\n"; } if (messageImprint != null) { return "Data {\n" + messageImprint + "}\n"; } else { return "Data {\n" + certs + "}\n"; } } public ASN1OctetString getMessage() { return message; } public DigestInfo getMessageImprint() { return messageImprint; } public TargetEtcChain[] getCerts() { if (certs == null) { return null; } TargetEtcChain[] tmp = new TargetEtcChain[certs.size()]; for (int i = 0; i != tmp.length; i++) { tmp[i] = TargetEtcChain.getInstance(certs.getObjectAt(i)); } return tmp; } }




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