1 files changed, 1 insertions, 1 deletions
diff --git a/crypto/src/crypto/engines/Cast5Engine.cs b/crypto/src/crypto/engines/Cast5Engine.cs
index 53836db02..398f6d43a 100644
--- a/crypto/src/crypto/engines/Cast5Engine.cs
+++ b/crypto/src/crypto/engines/Cast5Engine.cs
@@ -20,7 +20,7 @@ namespace Org.BouncyCastle.Crypto.Engines
     public class Cast5Engine
 		: IBlockCipher
     {
-		internal static readonly uint[] S1 =
+		private static readonly uint[] S1 =
 		{
 			0x30fb40d4, 0x9fa0ff0b, 0x6beccd2f, 0x3f258c7a, 0x1e213f2f, 0x9c004dd3, 0x6003e540, 0xcf9fc949,
 			0xbfd4af27, 0x88bbbdb5, 0xe2034090, 0x98d09675, 0x6e63a0e0, 0x15c361d2, 0xc2e7661d, 0x22d4ff8e,