1 files changed, 72 insertions, 0 deletions
diff --git a/crypto/src/ocsp/RespID.cs b/crypto/src/ocsp/RespID.cs
new file mode 100644
index 000000000..3238b26da
--- /dev/null
+++ b/crypto/src/ocsp/RespID.cs
@@ -0,0 +1,72 @@
+using System;
+
+using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Asn1.Ocsp;
+using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Crypto;
+using Org.BouncyCastle.Security;
+using Org.BouncyCastle.X509;
+
+namespace Org.BouncyCastle.Ocsp
+{
+	/**
+	 * Carrier for a ResponderID.
+	 */
+	public class RespID
+	{
+		internal readonly ResponderID id;
+
+		public RespID(
+			ResponderID id)
+		{
+			this.id = id;
+		}
+
+		public RespID(
+			X509Name name)
+		{
+	        this.id = new ResponderID(name);
+		}
+
+		public RespID(
+			AsymmetricKeyParameter publicKey)
+		{
+			try
+			{
+				SubjectPublicKeyInfo info = SubjectPublicKeyInfoFactory.CreateSubjectPublicKeyInfo(publicKey);
+
+				byte[] keyHash = DigestUtilities.CalculateDigest("SHA1", info.PublicKeyData.GetBytes());
+
+				this.id = new ResponderID(new DerOctetString(keyHash));
+			}
+			catch (Exception e)
+			{
+				throw new OcspException("problem creating ID: " + e, e);
+			}
+		}
+
+		public ResponderID ToAsn1Object()
+		{
+			return id;
+		}
+
+		public override bool Equals(
+			object obj)
+		{
+			if (obj == this)
+				return true;
+
+			RespID other = obj as RespID;
+
+			if (other == null)
+				return false;
+
+			return id.Equals(other.id);
+		}
+
+		public override int GetHashCode()
+		{
+			return id.GetHashCode();
+		}
+	}
+}