User authentication in a communications network
作者： David Anthony Roberts , Richard Paul Swale , Jonathan Crispin Ranger , Richard Middleton Hicks , John Rabson
DOI:
关键词: Computer network 、 Challenge–response authentication 、 Computer science 、 Challenge-Handshake Authentication Protocol 、 Data Authentication Algorithm 、 Multi-factor authentication 、 Hash-based message authentication code 、 Authentication protocol 、 Chip Authentication Program 、 Generic Security Service Algorithm for Secret Key Transaction
摘要: An authentication system of a terminal on public switched telephone network comprises security node associated with local exchange (10) and (14). For one-way authentication, the (14) responds to call initiation by sending unique code (R) comprising number (m) secret key (Sj) encrypted according first algorithm (F), being specific terminal. The constructs expected (E) from (m), using (F) second which is function identification (TN), compares received (R). In two-way transaction (n) (fj). generates as (n). sent back node. compared one in same way. both cases, match between codes (E R) constitutes (14), allowing user access network.
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