1 files changed, 0 insertions, 126 deletions
diff --git a/src/mscorlib/src/System/Security/Util/Hex.cs b/src/mscorlib/src/System/Security/Util/Hex.cs
deleted file mode 100644
index 4ca1cf678b..0000000000
--- a/src/mscorlib/src/System/Security/Util/Hex.cs
+++ /dev/null
@@ -1,126 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-// See the LICENSE file in the project root for more information.
-
-/*
- *
- * Operations to convert to and from Hex
- *
- */
-
-namespace System.Security.Util
-{
-    using System;
-    using System.Security;
-    using System.Diagnostics.Contracts;
-    internal static class Hex
-    {
-        // converts number to hex digit. Does not do any range checks.
-        static char HexDigit(int num) {
-            return (char)((num < 10) ? (num + '0') : (num + ('A' - 10)));
-        }
-        
-        public  static String EncodeHexString(byte[] sArray) 
-        {
-            String result = null;
-    
-            if(sArray != null) {
-                char[] hexOrder = new char[sArray.Length * 2];
-            
-                int digit;
-                for(int i = 0, j = 0; i < sArray.Length; i++) {
-                    digit = (int)((sArray[i] & 0xf0) >> 4);
-                    hexOrder[j++] = HexDigit(digit);
-                    digit = (int)(sArray[i] & 0x0f);
-                    hexOrder[j++] = HexDigit(digit);
-                }
-                result = new String(hexOrder);
-            }
-            return result;
-        }
-
-        internal static string EncodeHexStringFromInt(byte[] sArray) {
-            String result = null;
-            if(sArray != null) {
-                char[] hexOrder = new char[sArray.Length * 2];
-            
-                int i = sArray.Length;
-                int digit, j=0;
-                while (i-- > 0) {
-                    digit = (sArray[i] & 0xf0) >> 4;
-                    hexOrder[j++] = HexDigit(digit);
-                    digit = sArray[i] & 0x0f;
-                    hexOrder[j++] = HexDigit(digit);
-                }
-                result = new String(hexOrder);
-            }
-            return result;
-        }
-        
-        public static int ConvertHexDigit(Char val)
-        {
-            if (val <= '9' && val >= '0')
-                return (val - '0');
-            else if (val >= 'a' && val <= 'f')
-                return ((val - 'a') + 10);
-            else if (val >= 'A' && val <= 'F')
-                return ((val - 'A') + 10);
-            else
-                throw new ArgumentException( Environment.GetResourceString( "ArgumentOutOfRange_Index" ) );  
-        }
-
-        
-        public static byte[] DecodeHexString(String hexString)
-        {
-            if (hexString == null)
-                throw new ArgumentNullException( nameof(hexString) );
-            Contract.EndContractBlock();
-                    
-            bool spaceSkippingMode = false;    
-                    
-            int i = 0;
-            int length = hexString.Length;
-            
-            if ((length >= 2) &&
-                (hexString[0] == '0') &&
-                ( (hexString[1] == 'x') ||  (hexString[1] == 'X') ))
-            {
-                length = hexString.Length - 2;
-                i = 2;
-            }
-            
-            // Hex strings must always have 2N or (3N - 1) entries.
-            
-            if (length % 2 != 0 && length % 3 != 2)
-            {
-                throw new ArgumentException( Environment.GetResourceString( "Argument_InvalidHexFormat" ) );
-            }                
-                
-            byte[] sArray;
-                
-            if (length >=3 && hexString[i + 2] == ' ')
-            {
-                spaceSkippingMode = true;
-                    
-                // Each hex digit will take three spaces, except the first (hence the plus 1).
-                sArray = new byte[length / 3 + 1];
-            }
-            else
-            {
-                // Each hex digit will take two spaces
-                sArray = new byte[length / 2];
-            }
-                
-            int digit;
-            int rawdigit;
-            for (int j = 0; i < hexString.Length; i += 2, j++) {
-                rawdigit = ConvertHexDigit(hexString[i]);
-                digit = ConvertHexDigit(hexString[i+1]);
-                sArray[j] = (byte) (digit | (rawdigit << 4));
-                if (spaceSkippingMode)
-                    i++;
-            }
-            return(sArray);    
-        }
-    }
-}