Use a tool like the rif2zrif script to convert that file into a shareable zRIF string.
psvpfsparser -i app/TITLE_ID -o DEC_FOLDER -z KO5ifR1dQ+d7BBiYm5iCVHsY... ps vita zrif key
When a user attempts to run software on their PS Vita, the device checks the software's authenticity by verifying its Zrif Key. If the key matches the one embedded in the firmware, the software is authorized to run. If the key is invalid or missing, the software is blocked, and the user is prevented from running it. Use a tool like the rif2zrif script to