using System;

using System.Linq;

using System.Security.Cryptography;

​

public class Program

{

    // IPMI MAC

    static byte[] _bmcMac = { 0x00, 0x25, 0x90, 0xcd, 0x26, 0xda };

    // OOB-LIC private key

    static readonly byte[] oobPKey = new byte[] { 0x85, 0x44, 0xe3, 0xb4, 0x7e, 0xca, 0x58, 0xf9, 0x58, 0x30, 0x43, 0xf8 };

    // ?DCMS-Single? private key

    static readonly byte[] hsdcKey = new byte[] { 0x39, 0xcb, 0x2a, 0x1a, 0x3d, 0x74, 0x8f, 0xf1, 0xde, 0xe4, 0x6b, 0x87 };

    public static void Main() 

        => Console.WriteLine($"SFT-OOB-LIC Key:\t{Hash12(oobPKey)}\nSFT-DCMS-Single:\t{Hash12(hsdcKey)}");

    static string Hash12(byte[] privateKey) 

        => string.Concat(new HMACSHA1(privateKey).ComputeHash(_bmcMac).Take(0xc)

                         .Select((b, i) => $"{b:x2}{(i < 0xb && i % 2 != 0 ? "-" : "")}"));

}