S4Retail Fiscal for software fiscalization via digital signature is a module of S4Retail Fiscal integrated with POS application dedicated for digital signing of the fiscal transactions. Its main purpose is to implement all fiscal functions that have to be at the POS in order to provide a digital signature of every transaction that has to be digitally signed.
No device is needed for creation of digital signature. Certificated POS application must be able to produce it, and S4Retail Fiscal solution enables the POS to create digital signature via especial algoritam (RSA 2048). Digital signature is created from the previous transaction and current data from the relevant transaction.
S4Retail Fiscal consists of the modul for the POS application and backoffice corresponding with POS as well as customer Headoffice in order to maintain maximum control of fiscal process to the retailer.
Architecture of the Fiscal Solution