Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance. Project price only 1 $
You can buy this project and download/modify it how often you want.
package org.bouncycastle.cert;
import java.io.IOException;
import java.math.BigInteger;
import java.util.Date;
import java.util.Enumeration;
import java.util.Locale;
import org.bouncycastle.asn1.ASN1Encodable;
import org.bouncycastle.asn1.ASN1Encoding;
import org.bouncycastle.asn1.ASN1GeneralizedTime;
import org.bouncycastle.asn1.ASN1Integer;
import org.bouncycastle.asn1.ASN1ObjectIdentifier;
import org.bouncycastle.asn1.DERSet;
import org.bouncycastle.asn1.x509.AttCertIssuer;
import org.bouncycastle.asn1.x509.Attribute;
import org.bouncycastle.asn1.x509.Extension;
import org.bouncycastle.asn1.x509.Extensions;
import org.bouncycastle.asn1.x509.ExtensionsGenerator;
import org.bouncycastle.asn1.x509.V2AttributeCertificateInfoGenerator;
import org.bouncycastle.operator.ContentSigner;
/**
* class to produce an X.509 Version 2 AttributeCertificate.
*/
public class X509v2AttributeCertificateBuilder
{
private V2AttributeCertificateInfoGenerator acInfoGen;
private ExtensionsGenerator extGenerator;
/**
* Base constructor.
*
* @param holder holder certificate details
* @param issuer issuer of this attribute certificate.
* @param serialNumber serial number of this attribute certificate.
* @param notBefore the date before which the certificate is not valid.
* @param notAfter the date after which the certificate is not valid.
*/
public X509v2AttributeCertificateBuilder(AttributeCertificateHolder holder, AttributeCertificateIssuer issuer, BigInteger serialNumber, Date notBefore, Date notAfter)
{
acInfoGen = new V2AttributeCertificateInfoGenerator();
extGenerator = new ExtensionsGenerator();
acInfoGen.setHolder(holder.holder);
acInfoGen.setIssuer(AttCertIssuer.getInstance(issuer.form));
acInfoGen.setSerialNumber(new ASN1Integer(serialNumber));
acInfoGen.setStartDate(new ASN1GeneralizedTime(notBefore));
acInfoGen.setEndDate(new ASN1GeneralizedTime(notAfter));
}
/**
* Base constructor with locale for interpreting dates. You may need to use this constructor if the default locale
* doesn't use a Gregorian calender so that the GeneralizedTime produced is compatible with other ASN.1 implementations.
*
* @param holder holder certificate details
* @param issuer issuer of this attribute certificate.
* @param serialNumber serial number of this attribute certificate.
* @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.
*/
public X509v2AttributeCertificateBuilder(AttributeCertificateHolder holder, AttributeCertificateIssuer issuer, BigInteger serialNumber, Date notBefore, Date notAfter, Locale dateLocale)
{
acInfoGen = new V2AttributeCertificateInfoGenerator();
extGenerator = new ExtensionsGenerator();
acInfoGen.setHolder(holder.holder);
acInfoGen.setIssuer(AttCertIssuer.getInstance(issuer.form));
acInfoGen.setSerialNumber(new ASN1Integer(serialNumber));
acInfoGen.setStartDate(new ASN1GeneralizedTime(notBefore, dateLocale));
acInfoGen.setEndDate(new ASN1GeneralizedTime(notAfter, dateLocale));
}
/**
* Create a builder for a version 2 attribute certificate, initialised with another certificate.
*
* @param template template certificate to base the new one on.
*/
public X509v2AttributeCertificateBuilder(X509AttributeCertificateHolder template)
{
acInfoGen = new V2AttributeCertificateInfoGenerator();
acInfoGen.setSerialNumber(new ASN1Integer(template.getSerialNumber()));
acInfoGen.setIssuer(AttCertIssuer.getInstance(template.getIssuer().form));
acInfoGen.setStartDate(new ASN1GeneralizedTime(template.getNotBefore()));
acInfoGen.setEndDate(new ASN1GeneralizedTime(template.getNotAfter()));
acInfoGen.setHolder(template.getHolder().holder);
boolean[] uniqueID = template.getIssuerUniqueID();
if (uniqueID != null)
{
acInfoGen.setIssuerUniqueID(CertUtils.booleanToBitString(uniqueID));
}
Attribute[] attr = template.getAttributes();
for (int i = 0; i != attr.length; i++)
{
acInfoGen.addAttribute(attr[i]);
}
extGenerator = new ExtensionsGenerator();
Extensions exts = template.getExtensions();
for (Enumeration en = exts.oids(); en.hasMoreElements();)
{
extGenerator.addExtension(exts.getExtension((ASN1ObjectIdentifier)en.nextElement()));
}
}
/**
* Return if the extension indicated by OID is present.
*
* @param oid the OID for the extension of interest.
* @return the Extension, or null if it is not present.
*/
public boolean hasExtension(ASN1ObjectIdentifier oid)
{
return doGetExtension(oid) != null;
}
/**
* Return the current value of the extension for OID.
*
* @param oid the OID for the extension we want to fetch.
* @return true if a matching extension is present, false otherwise.
*/
public Extension getExtension(ASN1ObjectIdentifier oid)
{
return doGetExtension(oid);
}
private Extension doGetExtension(ASN1ObjectIdentifier oid)
{
Extensions exts = extGenerator.generate();
return exts.getExtension(oid);
}
/**
* Add an attribute to the certification request we are building.
*
* @param attrType the OID giving the type of the attribute.
* @param attrValue the ASN.1 structure that forms the value of the attribute.
* @return this builder object.
*/
public X509v2AttributeCertificateBuilder addAttribute(ASN1ObjectIdentifier attrType, ASN1Encodable attrValue)
{
acInfoGen.addAttribute(new Attribute(attrType, new DERSet(attrValue)));
return this;
}
/**
* Add an attribute with multiple values to the certification request we are building.
*
* @param attrType the OID giving the type of the attribute.
* @param attrValues an array of ASN.1 structures that form the value of the attribute.
* @return this builder object.
*/
public X509v2AttributeCertificateBuilder addAttribute(ASN1ObjectIdentifier attrType, ASN1Encodable[] attrValues)
{
acInfoGen.addAttribute(new Attribute(attrType, new DERSet(attrValues)));
return this;
}
public void setIssuerUniqueId(
boolean[] iui)
{
acInfoGen.setIssuerUniqueID(CertUtils.booleanToBitString(iui));
}
/**
* Add a given extension field for the standard extensions tag made up of the passed in parameters.
*
* @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 X509v2AttributeCertificateBuilder 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 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 X509v2AttributeCertificateBuilder 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.
*
* @param extension the full extension value.
* @return this builder object.
*/
public X509v2AttributeCertificateBuilder addExtension(
Extension extension)
throws CertIOException
{
extGenerator.addExtension(extension);
return this;
}
/**
* Replace the extension field for the passed in extension's extension ID
* with a new version.
*
* @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.
* @throws CertIOException if there is an issue with the new extension value.
* @throws IllegalArgumentException if the extension to be replaced is not present.
*/
public X509v2AttributeCertificateBuilder replaceExtension(
ASN1ObjectIdentifier oid,
boolean isCritical,
ASN1Encodable value)
throws CertIOException
{
try
{
extGenerator = CertUtils.doReplaceExtension(extGenerator, new Extension(oid, isCritical, value.toASN1Primitive().getEncoded(ASN1Encoding.DER)));
}
catch (IOException e)
{
throw new CertIOException("cannot encode extension: " + e.getMessage(), e);
}
return this;
}
/**
* Replace the extension field for the passed in extension's extension ID
* with a new version.
*
* @param extension the full extension value.
* @return this builder object.
* @throws CertIOException if there is an issue with the new extension value.
* @throws IllegalArgumentException if the extension to be replaced is not present.
*/
public X509v2AttributeCertificateBuilder replaceExtension(
Extension extension)
throws CertIOException
{
extGenerator = CertUtils.doReplaceExtension(extGenerator, extension);
return this;
}
/**
* Replace a given extension field for the standard extensions tag (tag 3) with the passed in
* byte encoded 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.
* @throws CertIOException if there is an issue with the new extension value.
* @throws IllegalArgumentException if the extension to be replaced is not present.
*/
public X509v2AttributeCertificateBuilder replaceExtension(
ASN1ObjectIdentifier oid,
boolean isCritical,
byte[] encodedValue)
throws CertIOException
{
extGenerator = CertUtils.doReplaceExtension(extGenerator, new Extension(oid, isCritical, encodedValue));
return this;
}
/**
* Remove the extension indicated by OID.
*
* @param oid the OID of the extension to be removed.
* @return this builder object.
* @throws IllegalArgumentException if the extension to be removed is not present.
*/
public X509v2AttributeCertificateBuilder removeExtension(ASN1ObjectIdentifier oid)
{
extGenerator = CertUtils.doRemoveExtension(extGenerator, oid);
return this;
}
/**
* Generate an X509 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 X509AttributeCertificateHolder build(
ContentSigner signer)
{
acInfoGen.setSignature(signer.getAlgorithmIdentifier());
if (!extGenerator.isEmpty())
{
acInfoGen.setExtensions(extGenerator.generate());
}
return CertUtils.generateFullAttrCert(signer, acInfoGen.generateAttributeCertificateInfo());
}
}
