package org.bouncycastle.asn1.x509;
import java.io.IOException;
import org.bouncycastle.asn1.ASN1Boolean;
import org.bouncycastle.asn1.ASN1Encodable;
import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1ObjectIdentifier;
import org.bouncycastle.asn1.ASN1OctetString;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.DEROctetString;
import org.bouncycastle.asn1.DERSequence;
/**
* an object for the elements in the X.509 V3 extension block.
*/
public class Extension
extends ASN1Object
{
/**
* Subject Directory Attributes
*/
public static final ASN1ObjectIdentifier subjectDirectoryAttributes = new ASN1ObjectIdentifier("2.5.29.9");
/**
* Subject Key Identifier
*/
public static final ASN1ObjectIdentifier subjectKeyIdentifier = new ASN1ObjectIdentifier("2.5.29.14");
/**
* Key Usage
*/
public static final ASN1ObjectIdentifier keyUsage = new ASN1ObjectIdentifier("2.5.29.15");
/**
* Private Key Usage Period
*/
public static final ASN1ObjectIdentifier privateKeyUsagePeriod = new ASN1ObjectIdentifier("2.5.29.16");
/**
* Subject Alternative Name
*/
public static final ASN1ObjectIdentifier subjectAlternativeName = new ASN1ObjectIdentifier("2.5.29.17");
/**
* Issuer Alternative Name
*/
public static final ASN1ObjectIdentifier issuerAlternativeName = new ASN1ObjectIdentifier("2.5.29.18");
/**
* Basic Constraints
*/
public static final ASN1ObjectIdentifier basicConstraints = new ASN1ObjectIdentifier("2.5.29.19");
/**
* CRL Number
*/
public static final ASN1ObjectIdentifier cRLNumber = new ASN1ObjectIdentifier("2.5.29.20");
/**
* Reason code
*/
public static final ASN1ObjectIdentifier reasonCode = new ASN1ObjectIdentifier("2.5.29.21");
/**
* Hold Instruction Code
*/
public static final ASN1ObjectIdentifier instructionCode = new ASN1ObjectIdentifier("2.5.29.23");
/**
* Invalidity Date
*/
public static final ASN1ObjectIdentifier invalidityDate = new ASN1ObjectIdentifier("2.5.29.24");
/**
* Delta CRL indicator
*/
public static final ASN1ObjectIdentifier deltaCRLIndicator = new ASN1ObjectIdentifier("2.5.29.27");
/**
* Issuing Distribution Point
*/
public static final ASN1ObjectIdentifier issuingDistributionPoint = new ASN1ObjectIdentifier("2.5.29.28");
/**
* Certificate Issuer
*/
public static final ASN1ObjectIdentifier certificateIssuer = new ASN1ObjectIdentifier("2.5.29.29");
/**
* Name Constraints
*/
public static final ASN1ObjectIdentifier nameConstraints = new ASN1ObjectIdentifier("2.5.29.30");
/**
* CRL Distribution Points
*/
public static final ASN1ObjectIdentifier cRLDistributionPoints = new ASN1ObjectIdentifier("2.5.29.31");
/**
* Certificate Policies
*/
public static final ASN1ObjectIdentifier certificatePolicies = new ASN1ObjectIdentifier("2.5.29.32");
/**
* Policy Mappings
*/
public static final ASN1ObjectIdentifier policyMappings = new ASN1ObjectIdentifier("2.5.29.33");
/**
* Authority Key Identifier
*/
public static final ASN1ObjectIdentifier authorityKeyIdentifier = new ASN1ObjectIdentifier("2.5.29.35");
/**
* Policy Constraints
*/
public static final ASN1ObjectIdentifier policyConstraints = new ASN1ObjectIdentifier("2.5.29.36");
/**
* Extended Key Usage
*/
public static final ASN1ObjectIdentifier extendedKeyUsage = new ASN1ObjectIdentifier("2.5.29.37");
/**
* Freshest CRL
*/
public static final ASN1ObjectIdentifier freshestCRL = new ASN1ObjectIdentifier("2.5.29.46");
/**
* Inhibit Any Policy
*/
public static final ASN1ObjectIdentifier inhibitAnyPolicy = new ASN1ObjectIdentifier("2.5.29.54");
/**
* Authority Info Access
*/
public static final ASN1ObjectIdentifier authorityInfoAccess = new ASN1ObjectIdentifier("1.3.6.1.5.5.7.1.1");
/**
* Subject Info Access
*/
public static final ASN1ObjectIdentifier subjectInfoAccess = new ASN1ObjectIdentifier("1.3.6.1.5.5.7.1.11");
/**
* Logo Type
*/
public static final ASN1ObjectIdentifier logoType = new ASN1ObjectIdentifier("1.3.6.1.5.5.7.1.12");
/**
* BiometricInfo
*/
public static final ASN1ObjectIdentifier biometricInfo = new ASN1ObjectIdentifier("1.3.6.1.5.5.7.1.2");
/**
* QCStatements
*/
public static final ASN1ObjectIdentifier qCStatements = new ASN1ObjectIdentifier("1.3.6.1.5.5.7.1.3");
/**
* Audit identity extension in attribute certificates.
*/
public static final ASN1ObjectIdentifier auditIdentity = new ASN1ObjectIdentifier("1.3.6.1.5.5.7.1.4");
/**
* NoRevAvail extension in attribute certificates.
*/
public static final ASN1ObjectIdentifier noRevAvail = new ASN1ObjectIdentifier("2.5.29.56");
/**
* TargetInformation extension in attribute certificates.
*/
public static final ASN1ObjectIdentifier targetInformation = new ASN1ObjectIdentifier("2.5.29.55");
private ASN1ObjectIdentifier extnId;
private boolean critical;
private ASN1OctetString value;
public Extension(
ASN1ObjectIdentifier extnId,
ASN1Boolean critical,
ASN1OctetString value)
{
this(extnId, critical.isTrue(), value);
}
public Extension(
ASN1ObjectIdentifier extnId,
boolean critical,
byte[] value)
{
this(extnId, critical, new DEROctetString(value));
}
public Extension(
ASN1ObjectIdentifier extnId,
boolean critical,
ASN1OctetString value)
{
this.extnId = extnId;
this.critical = critical;
this.value = value;
}
private Extension(ASN1Sequence seq)
{
if (seq.size() == 2)
{
this.extnId = ASN1ObjectIdentifier.getInstance(seq.getObjectAt(0));
this.critical = false;
this.value = ASN1OctetString.getInstance(seq.getObjectAt(1));
}
else if (seq.size() == 3)
{
this.extnId = ASN1ObjectIdentifier.getInstance(seq.getObjectAt(0));
this.critical = ASN1Boolean.getInstance(seq.getObjectAt(1)).isTrue();
this.value = ASN1OctetString.getInstance(seq.getObjectAt(2));
}
else
{
throw new IllegalArgumentException("Bad sequence size: " + seq.size());
}
}
public static Extension getInstance(Object obj)
{
if (obj instanceof Extension)
{
return (Extension)obj;
}
else if (obj != null)
{
return new Extension(ASN1Sequence.getInstance(obj));
}
return null;
}
public ASN1ObjectIdentifier getExtnId()
{
return extnId;
}
public boolean isCritical()
{
return critical;
}
public ASN1OctetString getExtnValue()
{
return value;
}
public ASN1Encodable getParsedValue()
{
return convertValueToObject(this);
}
public int hashCode()
{
if (this.isCritical())
{
return this.getExtnValue().hashCode() ^ this.getExtnId().hashCode();
}
return ~(this.getExtnValue().hashCode() ^ this.getExtnId().hashCode());
}
public boolean equals(
Object o)
{
if (!(o instanceof Extension))
{
return false;
}
Extension other = (Extension)o;
return other.getExtnId().equals(this.getExtnId())
&& other.getExtnValue().equals(this.getExtnValue())
&& (other.isCritical() == this.isCritical());
}
public ASN1Primitive toASN1Primitive()
{
ASN1EncodableVector v = new ASN1EncodableVector();
v.add(extnId);
if (critical)
{
v.add(ASN1Boolean.getInstance(true));
}
v.add(value);
return new DERSequence(v);
}
/**
* Convert the value of the passed in extension to an object
* @param ext the extension to parse
* @return the object the value string contains
* @exception IllegalArgumentException if conversion is not possible
*/
private static ASN1Primitive convertValueToObject(
Extension ext)
throws IllegalArgumentException
{
try
{
return ASN1Primitive.fromByteArray(ext.getExtnValue().getOctets());
}
catch (IOException e)
{
throw new IllegalArgumentException("can't convert extension: " + e);
}
}
}