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This is a drop in replacement for the auth0 java-jwt library (see https://github.com/auth0/java-jwt). This jar makes sure there are no external dependencies (e.g. fasterXml, Apacha Commons) needed. This is useful when deploying to an application server (e.g. tomcat with Alfreso or Pega).

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package org.bouncycastle.asn1.x509;

import org.bouncycastle.asn1.ASN1Integer;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.ASN1TaggedObject;
import org.bouncycastle.asn1.DERBitString;
import org.bouncycastle.asn1.DERTaggedObject;
import org.bouncycastle.asn1.x500.X500Name;

/**
 * The TBSCertificate object.
 * 
 * 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
 *      }
 * 
*

* Note: issuerUniqueID and subjectUniqueID are both deprecated by the IETF. This class * will parse them, but you really shouldn't be creating new ones. */ public class TBSCertificate extends ASN1Object { ASN1Sequence seq; ASN1Integer version; ASN1Integer serialNumber; AlgorithmIdentifier signature; X500Name issuer; Time startDate, endDate; X500Name subject; SubjectPublicKeyInfo subjectPublicKeyInfo; DERBitString issuerUniqueId; DERBitString subjectUniqueId; Extensions extensions; public static TBSCertificate getInstance( ASN1TaggedObject obj, boolean explicit) { return getInstance(ASN1Sequence.getInstance(obj, explicit)); } public static TBSCertificate getInstance( Object obj) { if (obj instanceof TBSCertificate) { return (TBSCertificate)obj; } else if (obj != null) { return new TBSCertificate(ASN1Sequence.getInstance(obj)); } return null; } private TBSCertificate( ASN1Sequence seq) { int seqStart = 0; this.seq = seq; // // some certficates don't include a version number - we assume v1 // if (seq.getObjectAt(0) instanceof ASN1TaggedObject) { version = ASN1Integer.getInstance((ASN1TaggedObject)seq.getObjectAt(0), true); } else { seqStart = -1; // field 0 is missing! version = new ASN1Integer(0); } serialNumber = ASN1Integer.getInstance(seq.getObjectAt(seqStart + 1)); signature = AlgorithmIdentifier.getInstance(seq.getObjectAt(seqStart + 2)); issuer = X500Name.getInstance(seq.getObjectAt(seqStart + 3)); // // before and after dates // ASN1Sequence dates = (ASN1Sequence)seq.getObjectAt(seqStart + 4); startDate = Time.getInstance(dates.getObjectAt(0)); endDate = Time.getInstance(dates.getObjectAt(1)); subject = X500Name.getInstance(seq.getObjectAt(seqStart + 5)); // // public key info. // subjectPublicKeyInfo = SubjectPublicKeyInfo.getInstance(seq.getObjectAt(seqStart + 6)); for (int extras = seq.size() - (seqStart + 6) - 1; extras > 0; extras--) { ASN1TaggedObject extra = (ASN1TaggedObject)seq.getObjectAt(seqStart + 6 + extras); switch (extra.getTagNo()) { case 1: issuerUniqueId = DERBitString.getInstance(extra, false); break; case 2: subjectUniqueId = DERBitString.getInstance(extra, false); break; case 3: extensions = Extensions.getInstance(ASN1Sequence.getInstance(extra, true)); } } } public int getVersionNumber() { return version.getValue().intValue() + 1; } public ASN1Integer getVersion() { return version; } public ASN1Integer getSerialNumber() { return serialNumber; } public AlgorithmIdentifier getSignature() { return signature; } public X500Name getIssuer() { return issuer; } public Time getStartDate() { return startDate; } public Time getEndDate() { return endDate; } public X500Name getSubject() { return subject; } public SubjectPublicKeyInfo getSubjectPublicKeyInfo() { return subjectPublicKeyInfo; } public DERBitString getIssuerUniqueId() { return issuerUniqueId; } public DERBitString getSubjectUniqueId() { return subjectUniqueId; } public Extensions getExtensions() { return extensions; } public ASN1Primitive toASN1Primitive() { return seq; } }





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