I hope I expressed my self if not please ask.
#Signature time stamp application pdf
So what I am looking for is Time Stamp and Digital Signature for pdf files for Delphi 1-0-1. I could also accept the limitation to link to a specific hardware, so I can say if you want this feature you must buy this hardware, I don't want to support all the existing hardware or timestamp/digital signatures web services. Can you share your results?".īasically there is a million of USB smartcard readers, I don't want to start supporting million of drivers in my application (I write an app that is in part a document management system), if there were seomthing like TWAIN is there for image scanner it would be great. TO implmemetn this it is mandatory to digital sign and put a time stamp on the file (pfd files).īasically I ask "is it there anyonw that already imlpemented this in Delphi and found a succesful way. I don't know how this is important outside of Italy, anyway in Italy there is a law that requires that certain documents are stored with particular rules. Is it possible to do this in Delphi, did anyone already did it? I would like to add timestamp too. In case of applying a timestamp to an electronic signature, the operation works as follows (explained in non-technical terms): When a document is signed, from Signaturit we send the Time Stamping Authority a hash value that represents the data of the signed document, including the data of the signature (encrypted signature). Now I would like from my application to do the digital signatures, bypassing the software that does it. This software is called Dike and it is provided from the italian chamber of commerce and it interfaces to smart card hardware like this. Many customers of mine use a software for doing digital signatures.
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