| package org.bouncycastle.cert; |
| |
| import java.math.BigInteger; |
| import java.util.Date; |
| import java.util.Locale; |
| |
| import org.bouncycastle.asn1.ASN1Encodable; |
| import org.bouncycastle.asn1.ASN1Integer; |
| import org.bouncycastle.asn1.ASN1ObjectIdentifier; |
| import org.bouncycastle.asn1.x500.X500Name; |
| import org.bouncycastle.asn1.x509.Certificate; |
| import org.bouncycastle.asn1.x509.Extension; |
| import org.bouncycastle.asn1.x509.ExtensionsGenerator; |
| import org.bouncycastle.asn1.x509.SubjectPublicKeyInfo; |
| import org.bouncycastle.asn1.x509.Time; |
| import org.bouncycastle.asn1.x509.V3TBSCertificateGenerator; |
| import org.bouncycastle.operator.ContentSigner; |
| |
| |
| /** |
| * class to produce an X.509 Version 3 certificate. |
| */ |
| public class X509v3CertificateBuilder |
| { |
| private V3TBSCertificateGenerator tbsGen; |
| private ExtensionsGenerator extGenerator; |
| |
| /** |
| * Create a builder for a version 3 certificate. |
| * |
| * @param issuer the certificate issuer |
| * @param serial the certificate serial number |
| * @param notBefore the date before which the certificate is not valid |
| * @param notAfter the date after which the certificate is not valid |
| * @param subject the certificate subject |
| * @param publicKeyInfo the info structure for the public key to be associated with this certificate. |
| */ |
| public X509v3CertificateBuilder(X500Name issuer, BigInteger serial, Date notBefore, Date notAfter, X500Name subject, SubjectPublicKeyInfo publicKeyInfo) |
| { |
| this(issuer, serial, new Time(notBefore), new Time(notAfter), subject, publicKeyInfo); |
| } |
| |
| /** |
| * Create a builder for a version 3 certificate. You may need to use this constructor if the default locale |
| * doesn't use a Gregorian calender so that the Time produced is compatible with other ASN.1 implementations. |
| * |
| * @param issuer the certificate issuer |
| * @param serial the certificate serial number |
| * @param notBefore the date before which the certificate is not valid |
| * @param notAfter the date after which the certificate is not valid |
| * @param dateLocale locale to be used for date interpretation. |
| * @param subject the certificate subject |
| * @param publicKeyInfo the info structure for the public key to be associated with this certificate. |
| */ |
| public X509v3CertificateBuilder(X500Name issuer, BigInteger serial, Date notBefore, Date notAfter, Locale dateLocale, X500Name subject, SubjectPublicKeyInfo publicKeyInfo) |
| { |
| this(issuer, serial, new Time(notBefore, dateLocale), new Time(notAfter, dateLocale), subject, publicKeyInfo); |
| } |
| |
| /** |
| * Create a builder for a version 3 certificate. |
| * |
| * @param issuer the certificate issuer |
| * @param serial the certificate serial number |
| * @param notBefore the Time before which the certificate is not valid |
| * @param notAfter the Time after which the certificate is not valid |
| * @param subject the certificate subject |
| * @param publicKeyInfo the info structure for the public key to be associated with this certificate. |
| */ |
| public X509v3CertificateBuilder(X500Name issuer, BigInteger serial, Time notBefore, Time notAfter, X500Name subject, SubjectPublicKeyInfo publicKeyInfo) |
| { |
| tbsGen = new V3TBSCertificateGenerator(); |
| tbsGen.setSerialNumber(new ASN1Integer(serial)); |
| tbsGen.setIssuer(issuer); |
| tbsGen.setStartDate(notBefore); |
| tbsGen.setEndDate(notAfter); |
| tbsGen.setSubject(subject); |
| tbsGen.setSubjectPublicKeyInfo(publicKeyInfo); |
| |
| extGenerator = new ExtensionsGenerator(); |
| } |
| |
| /** |
| * Set the subjectUniqueID - note: it is very rare that it is correct to do this. |
| * |
| * @param uniqueID a boolean array representing the bits making up the subjectUniqueID. |
| * @return this builder object. |
| */ |
| public X509v3CertificateBuilder setSubjectUniqueID(boolean[] uniqueID) |
| { |
| tbsGen.setSubjectUniqueID(CertUtils.booleanToBitString(uniqueID)); |
| |
| return this; |
| } |
| |
| /** |
| * Set the issuerUniqueID - note: it is very rare that it is correct to do this. |
| * |
| * @param uniqueID a boolean array representing the bits making up the issuerUniqueID. |
| * @return this builder object. |
| */ |
| public X509v3CertificateBuilder setIssuerUniqueID(boolean[] uniqueID) |
| { |
| tbsGen.setIssuerUniqueID(CertUtils.booleanToBitString(uniqueID)); |
| |
| return this; |
| } |
| |
| /** |
| * Add a given extension field for the standard extensions tag (tag 3) |
| * |
| * @param oid the OID defining the extension type. |
| * @param isCritical true if the extension is critical, false otherwise. |
| * @param value the ASN.1 structure that forms the extension's value. |
| * @return this builder object. |
| */ |
| public X509v3CertificateBuilder addExtension( |
| ASN1ObjectIdentifier oid, |
| boolean isCritical, |
| ASN1Encodable value) |
| throws CertIOException |
| { |
| CertUtils.addExtension(extGenerator, oid, isCritical, value); |
| |
| return this; |
| } |
| |
| /** |
| * Add a given extension field for the standard extensions tag (tag 3). |
| * |
| * @param extension the full extension value. |
| * @return this builder object. |
| */ |
| public X509v3CertificateBuilder addExtension( |
| Extension extension) |
| throws CertIOException |
| { |
| extGenerator.addExtension(extension); |
| |
| return this; |
| } |
| |
| /** |
| * Add a given extension field for the standard extensions tag (tag 3) using a byte encoding of the |
| * extension value. |
| * |
| * @param oid the OID defining the extension type. |
| * @param isCritical true if the extension is critical, false otherwise. |
| * @param encodedValue a byte array representing the encoding of the extension value. |
| * @return this builder object. |
| */ |
| public X509v3CertificateBuilder addExtension( |
| ASN1ObjectIdentifier oid, |
| boolean isCritical, |
| byte[] encodedValue) |
| throws CertIOException |
| { |
| extGenerator.addExtension(oid, isCritical, encodedValue); |
| |
| return this; |
| } |
| |
| /** |
| * Add a given extension field for the standard extensions tag (tag 3) |
| * copying the extension value from another certificate. |
| * |
| * @param oid the OID defining the extension type. |
| * @param isCritical true if the copied extension is to be marked as critical, false otherwise. |
| * @param certHolder the holder for the certificate that the extension is to be copied from. |
| * @return this builder object. |
| */ |
| public X509v3CertificateBuilder copyAndAddExtension( |
| ASN1ObjectIdentifier oid, |
| boolean isCritical, |
| X509CertificateHolder certHolder) |
| { |
| Certificate cert = certHolder.toASN1Structure(); |
| |
| Extension extension = cert.getTBSCertificate().getExtensions().getExtension(oid); |
| |
| if (extension == null) |
| { |
| throw new NullPointerException("extension " + oid + " not present"); |
| } |
| |
| extGenerator.addExtension(oid, isCritical, extension.getExtnValue().getOctets()); |
| |
| return this; |
| } |
| |
| /** |
| * Generate an X.509 certificate, based on the current issuer and subject |
| * using the passed in signer. |
| * |
| * @param signer the content signer to be used to generate the signature validating the certificate. |
| * @return a holder containing the resulting signed certificate. |
| */ |
| public X509CertificateHolder build( |
| ContentSigner signer) |
| { |
| tbsGen.setSignature(signer.getAlgorithmIdentifier()); |
| |
| if (!extGenerator.isEmpty()) |
| { |
| tbsGen.setExtensions(extGenerator.generate()); |
| } |
| |
| return CertUtils.generateFullCert(signer, tbsGen.generateTBSCertificate()); |
| } |
| } |