

Once this configuration change has been made, the signature dialog box will change slightly to include a field to enter your PIN (or as Adobe calls it, "certificate password"), as shown in the screen shot below.

If you have Firefox or Thunderbird installed, then it's the same as the one you have configured in those applications in order to use your CAC. If you're using something other than CACKey, then you'll need to determine the path for your PKCS#11 module. The above steps will need to be repeated for each user account on the machine. Click the "Usage Options" popup menu and select "Use for Signing".Click on the email signing certificate (look for one issued by DOD EMAIL CA-xx and includes Intended usage of Digital Signature).Click the little triangles to open up the module until you see the card.Enter path to your PKCS#11 module for CACKey this is /Library/CACKey/libcackey.dylib.In Adobe Reader DC, open Preferences, then go to Signatures -> Identities & Trusted Certificates -> More.sudo chmod 755 /Library/CACKey/libcackey.dylib.Supports PKCS11 for example, as used by Mozilla Firefox browser. Limited commercial support for maintenance and patching.
#Cackey driver for mac mac osx
sudo chown root:admin /Library/CACKey/libcackey.dylib Mac OSX 10.5, Mac OSX 10.6, Mac OSX 10.7, Mac OSX 10.9, Mac OSX 10.10, Windows (32-bit and 64-bit), Linux, nix versions vary: Open Source: Open source software.If they're not, change them using Terminal.app:

Verify permissions of /Library/CACKey/libcackey.dylib are correct they should be -rwxr-xr-x (755) and owned by root, group admin.This is the solution: it assumes you are using CACKey, but can probably be translated to other middleware:
