From http://smartcardservices.macosforge.org/trac/wiki/installers
« This installs the Tokend modules which no longer ship from Apple as part of Mac OS X beginning with OS X Lion (v10.7). Note that this installer will ONLY install onto OS X Mountain Lion v10.8. The Tokend modules installed are: BELPIC, CAC, CACNG, JPKI and PIV.
New to this release:
• JPKI.Tokend - Build 38522 added to the update to support LASCOM in Japan.
• cacloginconfig.plist - Default configuration file as optional install for those using Attribute Matching or PKINIT configurations.
• SystemCACertificates.keychain - Automatically added to the Keychain Search List if not already present. »
Related post "Mac OS X Mountain Lion and smart card status".