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-1
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2answers
24 views

When trying to create an MSI getting error has no digital signature, or has a digital signature that is not verified

When we are trying to generate an MSI using a tool supplied by HP ALM, we get the following error This is happening only on one machine but works fine on other machine so we think something is wrong ...
23
votes
12answers
58k views

How can I sign a PDF document quickly and cheaply?

I need to sign a PDF document. However, Adobe Reader does not let me sign documents. I just need to sign the document, not edit it. Do I need to buy the full Acrobat software? Or is there a better, ...
1
vote
1answer
826 views

About the security of adding a signature to a PDF file

We can add a "bitmap" or image signature to a PDF file, either by using Adobe Acrobat or by Mac's Preview app, but I wonder, besides always encrypting it with a password before sending it by email to ...