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HelperClasses.cs
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HelperClasses.cs
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// Copyright (c) 2018, Rene Lergner - wpinternals.net - @Heathcliff74xda
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using System;
using System.Text;
namespace WPinternals
{
public static class Converter
{
public static string ConvertHexToString(byte[] Bytes, string Separator)
{
StringBuilder s = new StringBuilder(1000);
for (int i = Bytes.GetLowerBound(0); i <= Bytes.GetUpperBound(0); i++)
{
if (i != Bytes.GetLowerBound(0))
s.Append(Separator);
s.Append(Bytes[i].ToString("X2"));
}
return s.ToString();
}
public static byte[] ConvertStringToHex(string HexString)
{
if (HexString.Length % 2 == 1)
throw new Exception("The binary key cannot have an odd number of digits");
byte[] arr = new byte[HexString.Length >> 1];
for (int i = 0; i < (HexString.Length >> 1); ++i)
{
arr[i] = (byte)((GetHexVal(HexString[i << 1]) << 4) + (GetHexVal(HexString[(i << 1) + 1])));
}
return arr;
}
public static int GetHexVal(char hex)
{
int val = (int)hex;
//For uppercase A-F letters:
//return val - (val < 58 ? 48 : 55);
//For lowercase a-f letters:
//return val - (val < 58 ? 48 : 87);
//Or the two combined, but a bit slower:
return val - (val < 58 ? 48 : (val < 97 ? 55 : 87));
}
}
}