1 files changed, 30 insertions, 0 deletions
diff --git a/crypto/src/bcpg/sig/SignatureTarget.cs b/crypto/src/bcpg/sig/SignatureTarget.cs
new file mode 100644
index 000000000..c6a8dc574
--- /dev/null
+++ b/crypto/src/bcpg/sig/SignatureTarget.cs
@@ -0,0 +1,30 @@
+using System;
+
+using Org.BouncyCastle.Utilities;
+
+namespace Org.BouncyCastle.Bcpg.Sig
+{
+    /**
+     * RFC 4880, Section 5.2.3.25 - Signature Target subpacket.
+     */
+    public class SignatureTarget
+        : SignatureSubpacket
+    {
+        public SignatureTarget(bool critical, bool isLongLength, byte[] data)
+            : base(SignatureSubpacketTag.SignatureTarget, critical, isLongLength, data)
+        {
+        }
+
+        public SignatureTarget(bool critical, int publicKeyAlgorithm, int hashAlgorithm, byte[] hashData)
+            : base(SignatureSubpacketTag.SignatureTarget, critical, false,
+                  Arrays.Concatenate(new byte[]{ (byte)publicKeyAlgorithm, (byte)hashAlgorithm }, hashData))
+        {
+        }
+
+        public int PublicKeyAlgorithm => data[0];
+
+        public int HashAlgorithm => data[1];
+
+        public byte[] GetHashData() => Arrays.CopyOfRange(data, 2, data.Length);
+    }
+}