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]
Trust law A trust is a three-party fiduciary relationship in which the first party, the trustor or settlor, transfers ("settles") a property (often but not necessarily a sum of money) upon the second party (the trustee) for the benefit of the third party, the beneficiary.[1]