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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 org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Integer;
import org.bouncycastle.asn1.ASN1UTCTime;
import org.bouncycastle.asn1.DERBitString;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.asn1.DERTaggedObject;
import org.bouncycastle.asn1.x500.X500Name;

/**
 * Generator for Version 3 TBSCertificateStructures.
 * 
 * TBSCertificate ::= SEQUENCE {
 *      version          [ 0 ]  Version DEFAULT v1(0),
 *      serialNumber            CertificateSerialNumber,
 *      signature               AlgorithmIdentifier,
 *      issuer                  Name,
 *      validity                Validity,
 *      subject                 Name,
 *      subjectPublicKeyInfo    SubjectPublicKeyInfo,
 *      issuerUniqueID    [ 1 ] IMPLICIT UniqueIdentifier OPTIONAL,
 *      subjectUniqueID   [ 2 ] IMPLICIT UniqueIdentifier OPTIONAL,
 *      extensions        [ 3 ] Extensions OPTIONAL
 *      }
 * 
* */ public class V3TBSCertificateGenerator { DERTaggedObject version = new DERTaggedObject(true, 0, new ASN1Integer(2)); ASN1Integer serialNumber; AlgorithmIdentifier signature; X500Name issuer; Time startDate, endDate; X500Name subject; SubjectPublicKeyInfo subjectPublicKeyInfo; Extensions extensions; private boolean altNamePresentAndCritical; private DERBitString issuerUniqueID; private DERBitString subjectUniqueID; public V3TBSCertificateGenerator() { } public void setSerialNumber( ASN1Integer serialNumber) { this.serialNumber = serialNumber; } public void setSignature( AlgorithmIdentifier signature) { this.signature = signature; } /** * @deprecated use X500Name method */ public void setIssuer( X509Name issuer) { this.issuer = X500Name.getInstance(issuer); } public void setIssuer( X500Name issuer) { this.issuer = issuer; } public void setStartDate( ASN1UTCTime startDate) { this.startDate = new Time(startDate); } public void setStartDate( Time startDate) { this.startDate = startDate; } public void setEndDate( ASN1UTCTime endDate) { this.endDate = new Time(endDate); } public void setEndDate( Time endDate) { this.endDate = endDate; } /** * @deprecated use X500Name method */ public void setSubject( X509Name subject) { this.subject = X500Name.getInstance(subject.toASN1Primitive()); } public void setSubject( X500Name subject) { this.subject = subject; } public void setIssuerUniqueID( DERBitString uniqueID) { this.issuerUniqueID = uniqueID; } public void setSubjectUniqueID( DERBitString uniqueID) { this.subjectUniqueID = uniqueID; } public void setSubjectPublicKeyInfo( SubjectPublicKeyInfo pubKeyInfo) { this.subjectPublicKeyInfo = pubKeyInfo; } /** * @deprecated use method taking Extensions * @param extensions */ public void setExtensions( X509Extensions extensions) { setExtensions(Extensions.getInstance(extensions)); } public void setExtensions( Extensions extensions) { this.extensions = extensions; if (extensions != null) { Extension altName = extensions.getExtension(Extension.subjectAlternativeName); if (altName != null && altName.isCritical()) { altNamePresentAndCritical = true; } } } public TBSCertificate generateTBSCertificate() { if ((serialNumber == null) || (signature == null) || (issuer == null) || (startDate == null) || (endDate == null) || (subject == null && !altNamePresentAndCritical) || (subjectPublicKeyInfo == null)) { throw new IllegalStateException("not all mandatory fields set in V3 TBScertificate generator"); } ASN1EncodableVector v = new ASN1EncodableVector(); v.add(version); v.add(serialNumber); v.add(signature); v.add(issuer); // // before and after dates // ASN1EncodableVector validity = new ASN1EncodableVector(); validity.add(startDate); validity.add(endDate); v.add(new DERSequence(validity)); if (subject != null) { v.add(subject); } else { v.add(new DERSequence()); } v.add(subjectPublicKeyInfo); if (issuerUniqueID != null) { v.add(new DERTaggedObject(false, 1, issuerUniqueID)); } if (subjectUniqueID != null) { v.add(new DERTaggedObject(false, 2, subjectUniqueID)); } if (extensions != null) { v.add(new DERTaggedObject(true, 3, extensions)); } return TBSCertificate.getInstance(new DERSequence(v)); } }




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