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End entity
An end entity can be considered an end user, a device such as a router or a server, a process, or anything that can be identified in the subject name of a public key certificate. End entities can also be thought of as consumers of the PKIrelated services.
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Authentication protocol that allows PPP peers to authenticate one another. The remote router attempting to connect to the local router is required to send an authentication request. Unlike CHAP, PAP passes the password and hostname or username in the clear (unencrypted). PAP does not itself prevent unauthorized access, but merely identifies the remote end. The router or access server then determines if that user is allowed access. PAP is supported only on PPP lines. Compare with CHAP.
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Persistent information associated with entities; it is conceptually stored in the Security Management Information Base. Examples are security attributes associated with users and set up on user account installation, which is used to configure the user’s identity and privileges within the system information configuring a secure interaction policy between one entity and another entity, which is used as the basis for the establishment of operational associations between those two entities.
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A trusted third party that associates a public key with proof of identity by producing a digitally signed certificate. A CA provides to users a digital certificate that links the public key with some assertion about the user, such as identity, credit payment card number etc. Certification authorities may offer other services such as timestamping, key management services, and certificate revocation services. It can also be defined as an independent trusted source that attests to some factual element of information for the purposes of certifying information in the electronic environment. An agency that authenticates and distributes digital certificates.
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A networking device that connects networks that are using different network protocols. A product that enables two dissimilar networks to communicate or interface with each other. In the IP community, an older term referring to a routing device. Today, the term “router” is used to describe nodes that perform this function, and “gateway” refers to a specialpurpose device that performs an application layer conversion of information from one protocol stack to another. Compare with router. Interface providing a compatibility between networks by converting transmission speeds, protocols, codes, or security measures.
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Each certificate in a certificate path from the original start or root of trust down to the server or client in question is valid and legitimate.
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