Questions tagged [digital-signature]

A digital signature is a mathematical scheme for demonstrating the authenticity of a digital message or documents.

4
votes
1answer
187 views

How will Apple's Notarization impact programs written in Python?

Apple has announced that all programs in the next release of its operating system must be notarized. Beginning in macOS 10.14.5, all new or updated kernel extensions and all software from ...
6
votes
2answers
10k views

I am unable to write my signature using the trackpad in Preview.app

I click on the signature button in the Preview.app toolbar: The following box pops up: I click on the Click Here To Begin button. The box is now ready for input: However, I cannot get any markings ...
0
votes
1answer
924 views

How to digitally sign a PDF with a X.509 certificate

I'm looking for a tool to digitally sign PDFs with the private key of my X.509 certificate. macOS' Preview app only copy a scan of my handwritten signature into a pdf...
0
votes
2answers
7k views

Are Mac OS images (eg. “OS X El Capitan.app”) digitally signed? Safe to install from torrent?

So, I've upgraded OSX to Sierra, but I need to downgrade (long story), and OSX won't let me because I didn't create a Time Machine backup before upgrading. So I have downloaded the Install OS X El ...
0
votes
1answer
692 views

Import new signature without using isight

My isight doesn't works, i use another mac for create my digital signature. How can I import and set my signature on my mac ? where storage it?
7
votes
2answers
2k views

Looking for Software to Scan or Convert to Searchable and Signable PDF

I have the occasional need to scan and/or convert scanned images into PDF format. OS X Mountain Lion does this natively, but as far as I can tell it's just an image wrapped in a PDF, so text selection,...
4
votes
1answer
568 views

How can I view the signer of a bundle?

I have a .bundle that is digitally signed. I can verify this by opening the bundle by selecting "Show Package Contents" and indeed there is a _CodeSignature directory underneath the bundle. However, ...