Implementation of digital signature in pdf, and for printable copy

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Hello,

I want to develop a Digital Signature implementation in PDF. And it can be validated in Printing Copy.

What I have tried:

I have tried Digital Signature examples available on internet, It's work but It only give text in PDF, which can't be authorized in printed copy.

Posted 24-Aug-18 0:07am

HardikVyas

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Richard MacCutchan 24-Aug-18 7:12am

How would you validate a digital signature in a printed copy?

HardikVyas 27-Aug-18 4:38am

That's the actual question. Is there any authorized way?

Richard MacCutchan 27-Aug-18 5:09am

Think about it. Get a piece of paper and write something on it. Now, how would you validate that digitally?

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