Aruba key
my mac mini won't open an already activated and paid Aruba USB key for digital signature. The "prohibition" icon appears above the "sealing wax".
Earlier Mac models
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alfonta5 wrote:
TY. I was on the phone with Aruba support. They said it's a pre-emptive blockade by Apple. I have to ask them to unblock the ban. On this macmini ( yosemite10.10.5 (14F2511) I can't even open the electronic mail alice.it (domain within TIM (Italy). How is it possible to speak in Italian or chat with a human support from Apple?
Call Aruba back, and ask them for the directions, and particularly ask them—if they support macOS with this key—which versions. OS X 10.10 Yosemite is very old, and is most likely the issue here.
The .it ccTLD domain was created in 1998 and thus existed well before OS X 10.10 Yosemite from 2014, and I’d be surprised if Yosemite can’t access that.
What OS X 10.10 Yosemite (and OS X 10.11 El Capitan) (and earlier) will have trouble with—among other issues—are newer certificates and newer certificate roots, including LetsEncrypt. LetsEncrypt root cert is integrated with fully-patched Sierra and later, and will need to have the root cert manually added on older versions.
A Mac that can run OS X 10.10 Yosemite can also run OS X 10.11 El Capitan, and possibly newer, depending on the hardware. Mac mini 2010 and later can get to macOS 10.13 High Sierra, late 2012 can get to macOS 10.14 Mojave, etc. (For older versions of macOS, see: How to download and install macOS - Apple Support)