Applying digital signatures to a PDF in pdfMachine pro
pdfMachine can add a digital signature to a PDF, to prove the document:
- Existed at a certain time.
- Was agreed to at a certain time.
- Has not been modified.
You can use digital signatures with the built in pdfMachine certificates or you can optionally set up your own.
For more information, see the digital signature section here
Digital signatures can be setup before printing via the options digital signature screen here
Alternatively you can apply a digital signature to a file open in pdfMachine by selecting "Digital Signature" from the pdfMachine "Tools" menu.
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