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client

Definition(s):

  a machine or software application that accesses a cloud over a network connection, perhaps on behalf of a consumer; and
Source(s):
NIST SP 800-146

  A function that uses the PKI to obtain certificates and validate certificates and signatures. Client functions are present in CAs and end entities. Client functions may also be present in entities that are not certificate holders. That is, a system or user that verifies signatures and validation paths is a client, even if it does not hold a certificate itself. See section 2.4.
Source(s):
NIST SP 800-15 under client (or PKI client)

  A system entity, usually a computer process acting on behalf of a human user, that makes use of a service provided by a server.
Source(s):
NIST SP 800-32 under Client (application)

  A machine or software application that accesses a cloud over a network connection, perhaps on behalf of a consumer.
Source(s):
NIST SP 1800-16B under Client from NIST SP 800-146
NIST SP 1800-16C under Client from NIST SP 800-146
NIST SP 1800-16D under Client from NIST SP 800-146

  A function that uses the PKI to obtain certificates and validate certificates and signatures. Client functions are present in CAs and end entities. Client functions may also be present in entities that are not certificate holders. That is, a system or user that verifies signatures and validation paths is a client, even if it does not hold a certificate itself.
Source(s):
NIST SP 1800-16B under Client from NIST SP 800-15
NIST SP 1800-16C under Client from NIST SP 800-15
NIST SP 1800-16D under Client from NIST SP 800-15