December 2010
Beginner to intermediate
288 pages
7h 56m
English
Content preview from Adobe Acrobat X for Windows and Macintosh: Visual QuickStart Guide
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16. Digital Signatures
In This Chapter
About Adobe Self-Sign Security 244
Creating a Certificate from an ID 248
Importing a Certificate as a Trusted Identity 250
Creating a Signature Appearance 256
From the early days, Adobe has wanted contracts and other agreements in PDF format to be legally binding documents. To do this, there needed to be some way of electronically signing a PDF document so that it was unimpeachably certain that a particular person had agreed to its contents.
This problem has been thoroughly solved. Electronically signed PDF files are accepted as legally binding documents by many federal agencies and ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.