The entity which receives the first transfer of exchange AI in an authentication exchange [10181-2].

[A] cryptosystem or process used for authentication. [INFOSEC-99]

1. A symbol or group of symbols, or a series of bits, selected or derived in a prearranged manner and usually inserted at a predetermined point within a message or transmission for the purpose of attesting to the validity of the message or transmission. [JP 1-02]
2. A letter, numeral, group of letters or numerals, or any combinations of these,… (Read More →)

An entity recognized by some set of secure systems as a trusted source of security information[ECMA138].

1. The rights granted to a user to access, read, modify, insert, or delete certain data, or to execute certain programs.
2. Access privileges granted to a user, program, or process.
3. The granting of access to a security object.
4. The process by which an access control decision is made and enforced.
5. The granting of rights, which includes… (Read More →)

These are mechanisms used to identify, control, and record end-users access to services. These mechanisms are essential components of any online service platform.

Any of several types of attribute certificates containing information used in the authorization process.
Note: Authorization information may also be contained in a public key certificate, in which case that public key certificate also serves as an authorization certification [After X9.45]

A set of rules, part of an access control policy, by which access by security subjects to security objects is granted or denied. An authorization policy may be defined in terms of access control lists, capabilities or attributes assigned to security subjects, security objects or both [ECMATR46].

1. Authorized bandwidth is, for purposes of this Manual, the necessary bandwidth (bandwidth required for transmission and reception of intelligence) and does not include allowance for transmitter drift or Doppler shift. [NTIA]
2. The maximum bandwidth authorized to be used by a station as specified in the station license. This shall be occupied bandwidth or necessary bandwidth, whichever is greater.… (Read More →)

1. A frequency that is allocated and assigned by a competent authority to a specific user for a specific purpose.
2. The frequency, or frequency range, assigned to a station by the Commission [FCC] and specified in the instrument of authorization. [47CFR] Seeassigned frequency.