what entity within a pki verifies user requests for digital certificates
Public key infrastructure The PKI role that assures valid and correct registration is called a registration authority (RA). An RA is responsible for accepting requests for digital certificates and authenticating the entity making the request.[2] In a Microsoft PKI, a registration authority is usually called a subordinate CA.[3]
Digital library A digital library, or digital collection, is an online database of digital objects that can include text, still images, audio, video, or other digital media formats. Objects can consist of digitized content like print or photographs, as well as born-digital content like word processor files or social media posts. In addition to storing content, digital libraries provide means for organizing, searching, and retrieving the content contained in the collection.