private static void TestHMACAPI()
{
const string originalMessage = "Original message to hash";
const string originalMessage2 = "Or1ginal message to hash";
Console.WriteLine($"Original Message 1: {originalMessage}");
Console.WriteLine($"Original Message 2: {originalMessage2}");
Console.WriteLine();
var key = HMac.GenerateKey();
var hmacMd5Message = HMac.ComputeHMACMD5(Encoding.UTF8.GetBytes(originalMessage), key);
var hmacMd5Message2 = HMac.ComputeHMACMD5(Encoding.UTF8.GetBytes(originalMessage2), key);
var hmacSha1Message = HMac.ComputeHMACSha1(Encoding.UTF8.GetBytes(originalMessage), key);
var hmacSha1Message2 = HMac.ComputeHMACSha1(Encoding.UTF8.GetBytes(originalMessage2), key);
var hmacSha256Message = HMac.ComputeHMACSha256(Encoding.UTF8.GetBytes(originalMessage), key);
var hmacSha256Message2 = HMac.ComputeHMACSha256(Encoding.UTF8.GetBytes(originalMessage2), key);
var hmacSha512Message = HMac.ComputeHMACSha512(Encoding.UTF8.GetBytes(originalMessage), key);
var hmacSha512Message2 = HMac.ComputeHMACSha512(Encoding.UTF8.GetBytes(originalMessage2), key);
Console.WriteLine();
Console.WriteLine($"MD5 HMAC Message 1: {Convert.ToBase64String(hmacMd5Message)}");
Console.WriteLine($"MD5 HMAC Message 2: {Convert.ToBase64String(hmacMd5Message2)}");
Console.WriteLine();
Console.WriteLine();
Console.WriteLine($"SHA1 HMAC Message 1: {Convert.ToBase64String(hmacSha1Message)}");
Console.WriteLine($"SHA1 HMAC Message 2: {Convert.ToBase64String(hmacSha1Message2)}");
Console.WriteLine();
Console.WriteLine();
Console.WriteLine($"SHA256 HMAC Message 1: {Convert.ToBase64String(hmacSha256Message)}");
Console.WriteLine($"SHA256 HMAC Message 2: {Convert.ToBase64String(hmacSha256Message2)}");
Console.WriteLine();
Console.WriteLine();
Console.WriteLine($"SHA512 HMAC Message 1: {Convert.ToBase64String(hmacSha512Message)}");
Console.WriteLine($"SHA512 HMAC Message 2: {Convert.ToBase64String(hmacSha512Message2)}");
Console.WriteLine();
}