diff --git a/crypto/src/util/Arrays.cs b/crypto/src/util/Arrays.cs
index 1f9711555..6be94c543 100644
--- a/crypto/src/util/Arrays.cs
+++ b/crypto/src/util/Arrays.cs
@@ -591,6 +591,28 @@ namespace Org.BouncyCastle.Utilities
return rv;
}
+ public static byte[] Concatenate(byte[] a, byte[] b, byte[] c)
+ {
+ if (a != null && b != null && c != null)
+ {
+ byte[] rv = new byte[a.Length + b.Length + c.Length];
+
+ Array.Copy(a, 0, rv, 0, a.Length);
+ Array.Copy(b, 0, rv, a.Length, b.Length);
+ Array.Copy(c, 0, rv, a.Length + b.Length, c.Length);
+
+ return rv;
+ }
+ else if (b == null)
+ {
+ return Concatenate(a, c);
+ }
+ else
+ {
+ return Concatenate(a, b);
+ }
+ }
+
public static int[] Concatenate(int[] a, int[] b)
{
if (a == null)
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