using System;

using System.Linq;

using System.Security.Cryptography;

using System.Globalization;

using System.Text;

public class Program

{

    public static byte[] StringToByteArray(string hex) {

    return Enumerable.Range(0, hex.Length)

                     .Where(x => x % 2 == 0)

                     .Select(x => Convert.ToByte(hex.Substring(x, 2), 16))

                     .ToArray();

    }

    private static byte[] ComputeHash(string userIdentifier, string password, byte[] salt)

    {

        string tmpPassword = userIdentifier.ToLower() + password + Convert.ToBase64String(salt);

        //Convert the password string into an Array of bytes.

        var textConverter = new UTF8Encoding();

        byte[] passBytes = textConverter.GetBytes(tmpPassword);

        //Return the encrypted bytes

        return new SHA384Managed().ComputeHash(passBytes);

    }

    public static string ByteArrayToString(byte[] input) 

    {

        var sb = new StringBuilder();

        sb.Append("0x");

        foreach (var b in input)

            sb.AppendFormat("{0:X2}", b);

        return sb.ToString();

    }

    public static void Main()

    {

        var result = StringToByteArray("08EED1A96223");

        var output = ByteArrayToString(result);

        Console.WriteLine(ByteArrayToString(ComputeHash("866", "", StringToByteArray("08EED1A96223"))));

        Console.WriteLine(output);

    }

}