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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.Collections.Generic;
using System.Globalization;
using System.Text;
namespace System.Web.Helpers.AntiXsrf.Test
{
internal static class HexUtil
{
public static string HexEncode(byte[] data)
{
StringBuilder sb = new StringBuilder(data.Length * 2);
foreach (byte b in data)
{
sb.AppendFormat(CultureInfo.InvariantCulture, "{0:X2}", b);
}
return sb.ToString();
}
public static byte[] HexDecode(string input)
{
List<byte> bytes = new List<byte>(input.Length / 2);
for (int i = 0; i < input.Length; i += 2)
{
bytes.Add(Byte.Parse(input.Substring(i, 2), NumberStyles.AllowHexSpecifier, CultureInfo.InvariantCulture));
}
return bytes.ToArray();
}
}
}
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