1 files changed, 49 insertions, 0 deletions
diff --git a/Crypto/src/x509/extension/SubjectKeyIdentifierStructure.cs b/Crypto/src/x509/extension/SubjectKeyIdentifierStructure.cs
new file mode 100644
index 000000000..4c7b79ab8
--- /dev/null
+++ b/Crypto/src/x509/extension/SubjectKeyIdentifierStructure.cs
@@ -0,0 +1,49 @@
+using System;
+
+using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Crypto;
+using Org.BouncyCastle.Security.Certificates;
+
+namespace Org.BouncyCastle.X509.Extension
+{
+ /**
+ * A high level subject key identifier.
+ */
+ public class SubjectKeyIdentifierStructure
+ : SubjectKeyIdentifier
+ {
+ /**
+ * 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))
+ {
+ }
+
+ private static Asn1OctetString FromPublicKey(
+ AsymmetricKeyParameter pubKey)
+ {
+ try
+ {
+ SubjectPublicKeyInfo info = SubjectPublicKeyInfoFactory.CreateSubjectPublicKeyInfo(pubKey);
+
+ return (Asn1OctetString) new SubjectKeyIdentifier(info).ToAsn1Object();
+ }
+ catch (Exception e)
+ {
+ throw new CertificateParsingException("Exception extracting certificate details: " + e.ToString());
+ }
+ }
+
+ public SubjectKeyIdentifierStructure(
+ AsymmetricKeyParameter pubKey)
+ : base(FromPublicKey(pubKey))
+ {
+ }
+ }
+}
|
