1 files changed, 13 insertions, 0 deletions
diff --git a/crypto/src/util/Arrays.cs b/crypto/src/util/Arrays.cs
index 87bc1ba65..27fd18d6d 100644
--- a/crypto/src/util/Arrays.cs
+++ b/crypto/src/util/Arrays.cs
@@ -544,6 +544,19 @@ namespace Org.BouncyCastle.Utilities
             return rv;
         }
 
+        public static int[] Concatenate(int[] a, int[] b)
+        {
+            if (a == null)
+                return Clone(b);
+            if (b == null)
+                return Clone(a);
+
+            int[] rv = new int[a.Length + b.Length];
+            Array.Copy(a, 0, rv, 0, a.Length);
+            Array.Copy(b, 0, rv, a.Length, b.Length);
+            return rv;
+        }
+
         public static byte[] Prepend(byte[] a, byte b)
         {
             if (a == null)