private static Asn1Sequence FromCertificate(
X509Certificate certificate)
{
try
{
GeneralName genName = new GeneralName(
PrincipalUtilities.GetIssuerX509Principal(certificate));
if (certificate.Version == 3)
{
Asn1OctetString ext = certificate.GetExtensionValue(X509Extensions.SubjectKeyIdentifier);
if (ext != null)
{
Asn1OctetString str = (Asn1OctetString)X509ExtensionUtilities.FromExtensionValue(ext);
return((Asn1Sequence) new AuthorityKeyIdentifier(
str.GetOctets(), new GeneralNames(genName), certificate.SerialNumber).ToAsn1Object());
}
}
SubjectPublicKeyInfo info = SubjectPublicKeyInfoFactory.CreateSubjectPublicKeyInfo(
certificate.GetPublicKey());
return((Asn1Sequence) new AuthorityKeyIdentifier(
info, new GeneralNames(genName), certificate.SerialNumber).ToAsn1Object());
}
catch (Exception e)
{
throw new CertificateParsingException("Exception extracting certificate details", e);
}
}
/**
* 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 SubjectKeyIdentifierStructure(
Asn1OctetString encodedValue)
: base((Asn1OctetString)X509ExtensionUtilities.FromExtensionValue(encodedValue))
{
}
/**
* 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.
*/
// TODO Add a functional constructor from byte[]?
public AuthorityKeyIdentifierStructure(
Asn1OctetString encodedValue)
: base((Asn1Sequence)X509ExtensionUtilities.FromExtensionValue(encodedValue))
{
}
