RA

  1. An entity authorized by the certification authority system (CAS) to collect, verify, and submit information provided by potential Subscribers which is to be entered into public key certificates. The term RA refers to hardware, software, and individuals that collectively perform this function.
Source(s):
CNSSI 4009-2015 CNSSI 1300

  2. The key management entity (KME) within each Service or Agency responsible for registering KMEs and assigning electronic key management system (EKMS) IDs to them.
Source(s):
CNSSI 4009-2015 CNSSI 4005

  An entity that is responsible for identification and authentication of certificate subjects, but that does not sign or issue certificates (i.e., a Registration Authority is delegated certain tasks on behalf of an authorized CA).
Source(s):
NIST SP 800-32 under Registration Authority (RA)

  A trusted entity that establishes and vouches for the identity of a user.
Source(s):
NIST SP 800-57 Part 1 Rev. 4 under Registration authority [Superseded]
NIST SP 800-57 Part 1 Rev. 5 under Registration authority
NIST SP 800-57 Part 1 Rev. 3 under Registration authority [Superseded]

  An entity that is responsible for the identification and authentication of certificate subjects on behalf of an authority, but that does not sign or issue certificates (e.g., an RA is delegated certain tasks on behalf of a CA).
Source(s):
NIST SP 800-57 Part 2 under Registration Authority (RA) [Superseded]

  An organization approved by ISO/IEC for performing registration.
Source(s):
NISTIR 5308 under Registration Authority ISO/IEC JTC1 N820

  A trusted entity that establishes and vouches for the identity or attributes of a subscriber to a CSP. The RA may be an integral part of a CSP, or it may be independent of a CSP, but it has a relationship to the CSP(s).
Source(s):
NISTIR 8149 under Registration Authority (RA) NIST SP 800-63-3
NIST SP 800-63-2 under Registration Authority (RA) [Superseded]