1. An authority trusted by one or more users to create and assign certificates. Optionally the certification authority may create the users’ keys.
(Source: ISO/IEC 13888-1:2004)
2. A trusted third party 'clearing house' that issues digital signatures and digital certificates.
(Source: ISO/IEC 27002:2005)
3. An entity that issues digital certificates (especially X.509 certificates) and vouches for the binding between the data items in a certificate.
(Source: RFC 282) |