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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.

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package org.bouncycastle.asn1.x509;

import org.bouncycastle.asn1.ASN1Encodable;
import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1GeneralizedTime;
import org.bouncycastle.asn1.ASN1Integer;
import org.bouncycastle.asn1.ASN1ObjectIdentifier;
import org.bouncycastle.asn1.DERBitString;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.asn1.DERSet;

/**
 * Generator for Version 2 AttributeCertificateInfo
 * 
 * AttributeCertificateInfo ::= SEQUENCE {
 *       version              AttCertVersion -- version is v2,
 *       holder               Holder,
 *       issuer               AttCertIssuer,
 *       signature            AlgorithmIdentifier,
 *       serialNumber         CertificateSerialNumber,
 *       attrCertValidityPeriod   AttCertValidityPeriod,
 *       attributes           SEQUENCE OF Attribute,
 *       issuerUniqueID       UniqueIdentifier OPTIONAL,
 *       extensions           Extensions OPTIONAL
 * }
 * 
* */ public class V2AttributeCertificateInfoGenerator { private ASN1Integer version; private Holder holder; private AttCertIssuer issuer; private AlgorithmIdentifier signature; private ASN1Integer serialNumber; private ASN1EncodableVector attributes; private DERBitString issuerUniqueID; private Extensions extensions; // Note: validity period start/end dates stored directly //private AttCertValidityPeriod attrCertValidityPeriod; private ASN1GeneralizedTime startDate, endDate; public V2AttributeCertificateInfoGenerator() { this.version = new ASN1Integer(1); attributes = new ASN1EncodableVector(); } public void setHolder(Holder holder) { this.holder = holder; } public void addAttribute(String oid, ASN1Encodable value) { attributes.add(new Attribute(new ASN1ObjectIdentifier(oid), new DERSet(value))); } /** * @param attribute */ public void addAttribute(Attribute attribute) { attributes.add(attribute); } public void setSerialNumber( ASN1Integer serialNumber) { this.serialNumber = serialNumber; } public void setSignature( AlgorithmIdentifier signature) { this.signature = signature; } public void setIssuer( AttCertIssuer issuer) { this.issuer = issuer; } public void setStartDate( ASN1GeneralizedTime startDate) { this.startDate = startDate; } public void setEndDate( ASN1GeneralizedTime endDate) { this.endDate = endDate; } public void setIssuerUniqueID( DERBitString issuerUniqueID) { this.issuerUniqueID = issuerUniqueID; } /** * @deprecated use method taking Extensions * @param extensions */ public void setExtensions( X509Extensions extensions) { this.extensions = Extensions.getInstance(extensions.toASN1Primitive()); } public void setExtensions( Extensions extensions) { this.extensions = extensions; } public AttributeCertificateInfo generateAttributeCertificateInfo() { if ((serialNumber == null) || (signature == null) || (issuer == null) || (startDate == null) || (endDate == null) || (holder == null) || (attributes == null)) { throw new IllegalStateException("not all mandatory fields set in V2 AttributeCertificateInfo generator"); } ASN1EncodableVector v = new ASN1EncodableVector(); v.add(version); v.add(holder); v.add(issuer); v.add(signature); v.add(serialNumber); // // before and after dates => AttCertValidityPeriod // AttCertValidityPeriod validity = new AttCertValidityPeriod(startDate, endDate); v.add(validity); // Attributes v.add(new DERSequence(attributes)); if (issuerUniqueID != null) { v.add(issuerUniqueID); } if (extensions != null) { v.add(extensions); } return AttributeCertificateInfo.getInstance(new DERSequence(v)); } }




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