private EncryptedTurnover EncryptTurnover()
{
var sum = TaxData.Sum();
var counter = (Turnover.Value + sum) * 100;
var valueBytes = GetValueBytes((long)counter);
var encryptedValue = AesCtr(valueBytes, encrypt: true);
return(new EncryptedTurnover(encryptedValue));
}
private Receipt(ReceiptNumber number,
RegisterIdentifier registerIdentifier,
TaxData taxData,
CertificateSerialNumber certificateSerialNumber,
byte[] key,
LocalDateTime created = null)
{
Number = number ?? throw new ArgumentException("The receipt number has to be specified.");
RegisterIdentifier = registerIdentifier ?? throw new ArgumentException("The register identifier has to be specified.");
TaxData = taxData ?? throw new ArgumentException("The tax data have to be specified.");
CertificateSerialNumber = certificateSerialNumber ?? throw new ArgumentException("The certificate serial number has to be specified.");
Created = created ?? LocalDateTime.Now;
Suite = "R1-AT1";
Key = key;
}
public Receipt(
ReceiptNumber number,
RegisterIdentifier registerIdentifier,
TaxData taxData,
EncryptedTurnover encryptedTurnover,
CertificateSerialNumber certificateSerialNumber,
ChainValue chainValue,
byte[] key,
LocalDateTime created = null)
: this(number, registerIdentifier, taxData, certificateSerialNumber, key, created)
{
EncryptedTurnover = encryptedTurnover;
Turnover = DecryptTurnover();
ChainValue = chainValue;
}
public Receipt(
ReceiptNumber number,
RegisterIdentifier registerIdentifier,
TaxData taxData,
CurrencyValue turnover,
CertificateSerialNumber certificateSerialNumber,
JwsRepresentation previousJwsRepresentation,
byte[] key,
LocalDateTime created = null)
: this(number, registerIdentifier, taxData, certificateSerialNumber, key, created)
{
PreviousJwsRepresentation = previousJwsRepresentation;
ChainValue = ComputeChainValue();
Turnover = turnover ?? throw new ArgumentException("The turnover has to be specified.");
EncryptedTurnover = EncryptTurnover();
}