public void SHA1Test()
{
string str = "Hello world!";
string encrypt = SHA1.Encrypt(str);
Console.WriteLine(encrypt);
encrypt = SHA256.Encrypt(str);
Console.WriteLine(encrypt);
encrypt = SHA384.Encrypt(str);
Console.WriteLine(encrypt);
encrypt = SHA512.Encrypt(str);
Console.WriteLine(encrypt);
encrypt = MD5.Encrypt(str);
Console.WriteLine(encrypt);
}