/// <summary>
/// Encrypts specified computed information.
/// </summary>
/// <returns>Encrypted serial number using SKA-2 and formatted using ISF-2.</returns>
public override string Store(decimal data)
{
// This part of the function uses Artem's SKA-2
var resultString = data.ToString(CultureInfo.InvariantCulture);
return(ArtemHasher.Base10ToBase26(ArtemHasher.Hash8Byte(resultString) + Encrypt(resultString)));
}
/// <summary>
/// Calculate hash from decoded key.
/// </summary>
/// <param name="decoded">Decoded key.</param>
/// <returns>Calculated hash value from decoded key.</returns>
/// <remarks>
/// Don't be confused with <see cref="GetStoredHashFromKey"/>. This method
/// calculate hash value based on encrypted information on serial key, not
/// by decoding stored hash.</remarks>
public override string CalculateHashFromKey(string decoded)
{
return(ArtemHasher.Hash8Byte(decoded.Substring(9, 19)).ToString().Substring(0, 9));
}
/// <summary>
/// Decrypts specified information using SKA-2 algorithm.
/// </summary>
/// <param name="serial">Formatted serial key using ISF-2.</param>
/// <returns>Decoded SKA-2 message.</returns>
public override string Retrieve(string serial)
{
var usefulInformation = ArtemHasher.Base26ToBase10(serial);
return(usefulInformation.Substring(0, 9) + Decrypt(usefulInformation.Substring(9)));
}
