Add new classes in Math.Field and some other EC-related stuff from Java

1 files changed, 17 insertions, 0 deletions

diff --git a/crypto/src/util/Integers.cs b/crypto/src/util/Integers.cs
new file mode 100644

index 000000000..ccbf872c4
--- /dev/null
+++ b/crypto/src/util/Integers.cs
@@ -0,0 +1,17 @@
+using System;
+
+namespace Org.BouncyCastle.Utilities
+{
+    public abstract class Integers
+    {
+        public static int RotateLeft(int i, int distance)
+        {
+            return (i << distance) ^ (int)((uint)i >> -distance);
+        }
+
+        public static int RotateRight(int i, int distance)
+        {
+            return (int)((uint)i >> distance) ^ (i << -distance);
+        }
+    }
+}