to the best of my knowledge Acrobat allows installation of digital IDs either in software format (PKCS#12 keystores) or in hardware format (PKCS#11 HSMs). As far as the former is concerned, only self-signed certificates are allowed (PKCS#12 dows not support trustStore certificate attribute). My business case is that Digital IDs are formulated as non-self signed certificates delivered in JKS keystore. Unfortunately currently Acrobat forbids the installation of these IDs.
Does anyone know if this is going to change in the future?