иерархия центров сертификации(A hierarchy in which the roles of the certification authority are separated into one root CA and one or more subordinate CAs)
промежуточный центр сертификации(A certification authority that has the ability to issue the intermediate certificates needed to certify the subject identified by the end certificate)
выдающий центр сертификации(In a public key infrastructure hierarchy, the certification authority that that issues certificates to users and computers)
корневой центр сертификации(The most trusted certification authority (CA), which is at the top of a certification hierarchy. The root CA has a self-signed certificate.)
доверенный корневой центр сертификации(A root certification authority that appears in the Trusted Root Certification Authorities console of the Windows operating systems and is trusted by the operating system)