package com.google.bitcoin.bouncycastle.asn1.x509; import com.google.bitcoin.bouncycastle.asn1.ASN1EncodableVector; import com.google.bitcoin.bouncycastle.asn1.DERInteger; import com.google.bitcoin.bouncycastle.asn1.DERSequence; import com.google.bitcoin.bouncycastle.asn1.DERTaggedObject; import com.google.bitcoin.bouncycastle.asn1.DERUTCTime; /** * Generator for Version 1 TBSCertificateStructures. * <pre> * TBSCertificate ::= SEQUENCE { * version [ 0 ] Version DEFAULT v1(0), * serialNumber CertificateSerialNumber, * signature AlgorithmIdentifier, * issuer Name, * validity Validity, * subject Name, * subjectPublicKeyInfo SubjectPublicKeyInfo, * } * </pre> * */ public class V1TBSCertificateGenerator { DERTaggedObject version = new DERTaggedObject(0, new DERInteger(0)); DERInteger serialNumber; AlgorithmIdentifier signature; X509Name issuer; Time startDate, endDate; X509Name subject; SubjectPublicKeyInfo subjectPublicKeyInfo; public V1TBSCertificateGenerator() { } public void setSerialNumber( DERInteger serialNumber) { this.serialNumber = serialNumber; } public void setSignature( AlgorithmIdentifier signature) { this.signature = signature; } public void setIssuer( X509Name issuer) { this.issuer = issuer; } public void setStartDate( Time startDate) { this.startDate = startDate; } public void setStartDate( DERUTCTime startDate) { this.startDate = new Time(startDate); } public void setEndDate( Time endDate) { this.endDate = endDate; } public void setEndDate( DERUTCTime endDate) { this.endDate = new Time(endDate); } public void setSubject( X509Name subject) { this.subject = subject; } public void setSubjectPublicKeyInfo( SubjectPublicKeyInfo pubKeyInfo) { this.subjectPublicKeyInfo = pubKeyInfo; } public TBSCertificateStructure 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 new TBSCertificateStructure(new DERSequence(seq)); } }