mã hóa SHA1 trong lập trình c

public static string EncryptPassword(string Password)
{
System.Text.UnicodeEncoding encoding = new System.Text.UnicodeEncoding();
byte[] hashBytes = encoding.GetBytes(Password);
//Compute the SHA-1 hash
SHA1CryptoServiceProvider sha1 = new SHA1CryptoServiceProvider();
byte[] cryptPassword = sha1.ComputeHash(hashBytes);
return BitConverter.ToString(cryptPassword);
}