1 files changed, 62 insertions, 0 deletions
diff --git a/crypto/src/bcpg/sig/RevocationKey.cs b/crypto/src/bcpg/sig/RevocationKey.cs
new file mode 100644
index 000000000..66982cb5a
--- /dev/null
+++ b/crypto/src/bcpg/sig/RevocationKey.cs
@@ -0,0 +1,62 @@
+using System;
+using System.Text;
+
+namespace Org.BouncyCastle.Bcpg
+{
+    /// <summary>
+    /// Represents revocation key OpenPGP signature sub packet.
+    /// </summary>
+    public class RevocationKey
+		: SignatureSubpacket
+    {
+		// 1 octet of class, 
+		// 1 octet of public-key algorithm ID, 
+		// 20 octets of fingerprint
+		public RevocationKey(
+			bool	isCritical,
+			byte[]	data)
+			: base(SignatureSubpacketTag.RevocationKey, isCritical, data)
+		{
+		}
+
+		public RevocationKey(
+			bool					isCritical,
+			RevocationKeyTag		signatureClass,
+			PublicKeyAlgorithmTag	keyAlgorithm,
+			byte[]					fingerprint)
+			: base(SignatureSubpacketTag.RevocationKey, isCritical,
+				CreateData(signatureClass, keyAlgorithm, fingerprint))
+		{
+		}
+
+		private static byte[] CreateData(
+			RevocationKeyTag		signatureClass,
+			PublicKeyAlgorithmTag	keyAlgorithm,
+			byte[]					fingerprint)
+		{
+			byte[] data = new byte[2 + fingerprint.Length];
+			data[0] = (byte)signatureClass;
+			data[1] = (byte)keyAlgorithm;
+			Array.Copy(fingerprint, 0, data, 2, fingerprint.Length);
+			return data;
+		}
+
+		public virtual RevocationKeyTag SignatureClass
+		{
+			get { return (RevocationKeyTag)this.GetData()[0]; }
+		}
+
+		public virtual PublicKeyAlgorithmTag Algorithm
+		{
+			get { return (PublicKeyAlgorithmTag)this.GetData()[1]; }
+		}
+
+        public virtual byte[] GetFingerprint()
+		{
+			byte[] data = this.GetData();
+			byte[] fingerprint = new byte[data.Length - 2];
+			Array.Copy(data, 2, fingerprint, 0, fingerprint.Length);
+			return fingerprint;
+		}
+    }
+}