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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.x509.qualified;

import java.util.Enumeration;

import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1ObjectIdentifier;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.asn1.x509.GeneralName;

/**
 * The SemanticsInformation object.
 * 
 *       SemanticsInformation ::= SEQUENCE {
 *         semanticsIdentifier        OBJECT IDENTIFIER   OPTIONAL,
 *         nameRegistrationAuthorities NameRegistrationAuthorities
 *                                                         OPTIONAL }
 *         (WITH COMPONENTS {..., semanticsIdentifier PRESENT}|
 *          WITH COMPONENTS {..., nameRegistrationAuthorities PRESENT})
 *
 *     NameRegistrationAuthorities ::=  SEQUENCE SIZE (1..MAX) OF
 *         GeneralName
 * 
*/ public class SemanticsInformation extends ASN1Object { private ASN1ObjectIdentifier semanticsIdentifier; private GeneralName[] nameRegistrationAuthorities; public static SemanticsInformation getInstance(Object obj) { if (obj instanceof SemanticsInformation) { return (SemanticsInformation)obj; } if (obj != null) { return new SemanticsInformation(ASN1Sequence.getInstance(obj)); } return null; } private SemanticsInformation(ASN1Sequence seq) { Enumeration e = seq.getObjects(); if (seq.size() < 1) { throw new IllegalArgumentException("no objects in SemanticsInformation"); } Object object = e.nextElement(); if (object instanceof ASN1ObjectIdentifier) { semanticsIdentifier = ASN1ObjectIdentifier.getInstance(object); if (e.hasMoreElements()) { object = e.nextElement(); } else { object = null; } } if (object != null) { ASN1Sequence generalNameSeq = ASN1Sequence.getInstance(object); nameRegistrationAuthorities = new GeneralName[generalNameSeq.size()]; for (int i= 0; i < generalNameSeq.size(); i++) { nameRegistrationAuthorities[i] = GeneralName.getInstance(generalNameSeq.getObjectAt(i)); } } } public SemanticsInformation( ASN1ObjectIdentifier semanticsIdentifier, GeneralName[] generalNames) { this.semanticsIdentifier = semanticsIdentifier; this.nameRegistrationAuthorities = cloneNames(generalNames); } public SemanticsInformation(ASN1ObjectIdentifier semanticsIdentifier) { this.semanticsIdentifier = semanticsIdentifier; this.nameRegistrationAuthorities = null; } public SemanticsInformation(GeneralName[] generalNames) { this.semanticsIdentifier = null; this.nameRegistrationAuthorities = cloneNames(generalNames); } public ASN1ObjectIdentifier getSemanticsIdentifier() { return semanticsIdentifier; } public GeneralName[] getNameRegistrationAuthorities() { return cloneNames(nameRegistrationAuthorities); } public ASN1Primitive toASN1Primitive() { ASN1EncodableVector seq = new ASN1EncodableVector(); if (this.semanticsIdentifier != null) { seq.add(semanticsIdentifier); } if (this.nameRegistrationAuthorities != null) { ASN1EncodableVector seqname = new ASN1EncodableVector(); for (int i = 0; i < nameRegistrationAuthorities.length; i++) { seqname.add(nameRegistrationAuthorities[i]); } seq.add(new DERSequence(seqname)); } return new DERSequence(seq); } private static GeneralName[] cloneNames(GeneralName[] names) { if (names != null) { GeneralName[] tmp = new GeneralName[names.length]; System.arraycopy(names, 0, tmp, 0, names.length); return tmp; } return null; } }




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