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 ...
I recently installed a digital id/certificate from verisign and was wondering if there is a way to view the certificate location on my computer. I installed it according to their instructions through ...
What annoyances or real problems may occur when the digital signature of a Mac application is broken? Applications on a Mac can be digitally signed. When the signature is somehow broken, I know a few ...