protected Collection getTrustAnchors(X509Certificate cert, Set trustanchors) throws CertPathReviewerException
{
Collection trustColl = new ArrayList();
Iterator it = trustanchors.iterator();
X509CertSelector certSelectX509 = new X509CertSelector();
try
{
certSelectX509.setSubject(getEncodedIssuerPrincipal(cert).getEncoded());
byte[] ext = cert.getExtensionValue(X509Extensions.AuthorityKeyIdentifier.getId());
if (ext != null)
{
ASN1OctetString oct = (ASN1OctetString)ASN1Primitive.fromByteArray(ext);
AuthorityKeyIdentifier authID = AuthorityKeyIdentifier.getInstance(ASN1Primitive.fromByteArray(oct.getOctets()));
certSelectX509.setSerialNumber(authID.getAuthorityCertSerialNumber());
byte[] keyID = authID.getKeyIdentifier();
if (keyID != null)
{
certSelectX509.setSubjectKeyIdentifier(new DEROctetString(keyID).getEncoded());
}
}
}
catch (IOException ex)
{
ErrorBundle msg = new ErrorBundle(RESOURCE_NAME,"CertPathReviewer.trustAnchorIssuerError");
throw new CertPathReviewerException(msg);
}
while (it.hasNext())
{
TrustAnchor trust = (TrustAnchor) it.next();
if (trust.getTrustedCert() != null)
{
if (certSelectX509.match(trust.getTrustedCert()))
{
trustColl.add(trust);
}
}
else if (trust.getCAName() != null && trust.getCAPublicKey() != null)