code md5

using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
using System.Web;
using NLog;

namespace services.Resources
{
public class MD5Util
{
private static Logger logger = LogManager.GetCurrentClassLogger();

public static string GetMd5Hash(string input)
{
// Create a new Stringbuilder to collect the bytes
// and create a string.
StringBuilder sBuilder = new StringBuilder();

using (MD5 md5Hash = MD5.Create())
{
// Convert the input string to a byte array and compute the hash.
byte[] data = md5Hash.ComputeHash(Encoding.UTF8.GetBytes(input));

// Loop through each byte of the hashed data
// and format each one as a hexadecimal string.
for (int i = 0; i < data.Length; i++)
{
sBuilder.Append(data[i].ToString("x2"));
}
}

// Return the hexadecimal string.
logger.Debug(sBuilder.ToString());
return sBuilder.ToString();
}

// Verify a hash against a string.
public static bool VerifyMd5Hash(string input, string hash)
{
// Hash the input.
string hashOfInput = GetMd5Hash(input);

// Create a StringComparer an compare the hashes.
StringComparer comparer = StringComparer.OrdinalIgnoreCase;

if (0 == comparer.Compare(hashOfInput, hash))
{
return true;
}
else
{
return false;
}
}

}
}