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package org.bouncycastle.x509.extension;
import java.io.IOException;
import java.security.InvalidKeyException;
import java.security.PublicKey;
import java.security.cert.CertificateParsingException;
import java.security.cert.X509Certificate;
import org.bouncycastle.asn1.ASN1InputStream;
import org.bouncycastle.asn1.ASN1OctetString;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.x509.AuthorityKeyIdentifier;
import org.bouncycastle.asn1.x509.Extension;
import org.bouncycastle.asn1.x509.GeneralName;
import org.bouncycastle.asn1.x509.GeneralNames;
import org.bouncycastle.asn1.x509.SubjectPublicKeyInfo;
import org.bouncycastle.asn1.x509.X509Extension;
import org.bouncycastle.asn1.x509.X509Extensions;
import org.bouncycastle.jce.PrincipalUtil;
/**
* A high level authority key identifier.
* @deprecated use JcaX509ExtensionUtils and AuthorityKeyIdentifier.getInstance()
*/
public class AuthorityKeyIdentifierStructure
extends AuthorityKeyIdentifier
{
/**
* Constructor which will take the byte[] returned from getExtensionValue()
*
* @param encodedValue a DER octet encoded string with the extension structure in it.
* @throws IOException on parsing errors.
*/
public AuthorityKeyIdentifierStructure(
byte[] encodedValue)
throws IOException
{
super((ASN1Sequence)X509ExtensionUtil.fromExtensionValue(encodedValue));
}
/**
* Constructor which will take an extension
*
* @param extension a X509Extension object containing an AuthorityKeyIdentifier.
* @deprecated use constructor that takes Extension
*/
public AuthorityKeyIdentifierStructure(
X509Extension extension)
{
super((ASN1Sequence)extension.getParsedValue());
}
/**
* Constructor which will take an extension
*
* @param extension a X509Extension object containing an AuthorityKeyIdentifier.
*/
public AuthorityKeyIdentifierStructure(
Extension extension)
{
super((ASN1Sequence)extension.getParsedValue());
}
private static ASN1Sequence fromCertificate(
X509Certificate certificate)
throws CertificateParsingException
{
try
{
if (certificate.getVersion() != 3)
{
GeneralName genName = new GeneralName(PrincipalUtil.getIssuerX509Principal(certificate));
SubjectPublicKeyInfo info = new SubjectPublicKeyInfo(
(ASN1Sequence)new ASN1InputStream(certificate.getPublicKey().getEncoded()).readObject());
return (ASN1Sequence)new AuthorityKeyIdentifier(
info, new GeneralNames(genName), certificate.getSerialNumber()).toASN1Object();
}
else
{
GeneralName genName = new GeneralName(PrincipalUtil.getIssuerX509Principal(certificate));
byte[] ext = certificate.getExtensionValue(X509Extensions.SubjectKeyIdentifier.getId());
if (ext != null)
{
ASN1OctetString str = (ASN1OctetString)X509ExtensionUtil.fromExtensionValue(ext);
return (ASN1Sequence)new AuthorityKeyIdentifier(
str.getOctets(), new GeneralNames(genName), certificate.getSerialNumber()).toASN1Object();
}
else
{
SubjectPublicKeyInfo info = new SubjectPublicKeyInfo(
(ASN1Sequence)new ASN1InputStream(certificate.getPublicKey().getEncoded()).readObject());
return (ASN1Sequence)new AuthorityKeyIdentifier(
info, new GeneralNames(genName), certificate.getSerialNumber()).toASN1Object();
}
}
}
catch (Exception e)
{
throw new CertificateParsingException("Exception extracting certificate details: " + e.toString());
}
}
private static ASN1Sequence fromKey(
PublicKey pubKey)
throws InvalidKeyException
{
try
{
SubjectPublicKeyInfo info = new SubjectPublicKeyInfo(
(ASN1Sequence)new ASN1InputStream(pubKey.getEncoded()).readObject());
return (ASN1Sequence)new AuthorityKeyIdentifier(info).toASN1Object();
}
catch (Exception e)
{
throw new InvalidKeyException("can't process key: " + e);
}
}
/**
* Create an AuthorityKeyIdentifier using the passed in certificate's public
* key, issuer and serial number.
*
* @param certificate the certificate providing the information.
* @throws CertificateParsingException if there is a problem processing the certificate
*/
public AuthorityKeyIdentifierStructure(
X509Certificate certificate)
throws CertificateParsingException
{
super(fromCertificate(certificate));
}
/**
* Create an AuthorityKeyIdentifier using just the hash of the
* public key.
*
* @param pubKey the key to generate the hash from.
* @throws InvalidKeyException if there is a problem using the key.
*/
public AuthorityKeyIdentifierStructure(
PublicKey pubKey)
throws InvalidKeyException
{
super(fromKey(pubKey));
}
}
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