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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;

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

/**
 * Generator for Version 1 TBSCertificateStructures.
 * 
 * TBSCertificate ::= SEQUENCE {
 *      version          [ 0 ]  Version DEFAULT v1(0),
 *      serialNumber            CertificateSerialNumber,
 *      signature               AlgorithmIdentifier,
 *      issuer                  Name,
 *      validity                Validity,
 *      subject                 Name,
 *      subjectPublicKeyInfo    SubjectPublicKeyInfo,
 *      }
 * 
* */ public class V1TBSCertificateGenerator { DERTaggedObject version = new DERTaggedObject(true, 0, new ASN1Integer(0)); ASN1Integer serialNumber; AlgorithmIdentifier signature; X500Name issuer; Time startDate, endDate; X500Name subject; SubjectPublicKeyInfo subjectPublicKeyInfo; public V1TBSCertificateGenerator() { } 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.toASN1Primitive()); } public void setIssuer( X500Name issuer) { this.issuer = issuer; } public void setStartDate( Time startDate) { this.startDate = startDate; } public void setStartDate( ASN1UTCTime startDate) { this.startDate = new Time(startDate); } public void setEndDate( Time endDate) { this.endDate = endDate; } public void setEndDate( ASN1UTCTime endDate) { this.endDate = new Time(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 setSubjectPublicKeyInfo( SubjectPublicKeyInfo pubKeyInfo) { this.subjectPublicKeyInfo = pubKeyInfo; } public TBSCertificate generateTBSCertificate() { if ((serialNumber == null) || (signature == null) || (issuer == null) || (startDate == null) || (endDate == null) || (subject == null) || (subjectPublicKeyInfo == null)) { throw new IllegalStateException("not all mandatory fields set in V1 TBScertificate generator"); } ASN1EncodableVector seq = new ASN1EncodableVector(); // seq.add(version); - not required as default value. seq.add(serialNumber); seq.add(signature); seq.add(issuer); // // before and after dates // ASN1EncodableVector validity = new ASN1EncodableVector(); validity.add(startDate); validity.add(endDate); seq.add(new DERSequence(validity)); seq.add(subject); seq.add(subjectPublicKeyInfo); return TBSCertificate.getInstance(new DERSequence(seq)); } }




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