package org.bouncycastle.cms.jcajce;
import java.math.BigInteger;
import java.security.cert.X509Certificate;
import org.bouncycastle.asn1.x500.X500Name;
import org.bouncycastle.cms.SignerId;
import org.bouncycastle.jce.PrincipalUtil;
import org.bouncycastle.jce.X509Principal;
public class JcaSignerId
extends SignerId
{
private static X509Principal getPrincipal(X509Certificate cert)
{
try
{
return PrincipalUtil.getIssuerX509Principal(cert);
}
catch (Exception e)
{
throw new IllegalArgumentException("unable to extract principle");
}
}
/**
* Construct a signer identifier based on the issuer, serial number and subject key identifier (if present) of the passed in
* certificate.
*
* @param certificate certificate providing the issue and serial number and subject key identifier.
*/
public JcaSignerId(X509Certificate certificate)
{
super(X500Name.getInstance(getPrincipal(certificate).getEncoded()), certificate.getSerialNumber(), CMSUtils.getSubjectKeyId(certificate));
}
}