Method of carrying out an authentication check between a base st

Details Method of carrying out an authentication check between a base st Method of carrying out an authentication check between a base st

1993-04-07

1995-02-14

Gregory, Bernarr E.

Cryptography

Particular algorithmic function encoding

Nbs/des algorithm

380 49, 34082531, 34082534, 379 59, 379 62, 379 63, 379 95, 455 331, 455 541, 455 542, H04L 932

Patent

active

053902459

ABSTRACT:
Methods for carrying out an authentication check in a mobile telephone system in which an authentic base station serves a plurality of mobile stations. A prior method carried out a unidirectional check from the base to a calling mobile, permitting a false base to carry out a false authentication check by collecting a number of so-called RAND-Response pairs. To avoid this problem, another unidirectional, base-to-mobile, authentication check and an authentication check from the mobile to the base are carried out. In one embodiment, only the bi-directional authentication check is carried out.

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"EIA Project Number 2215", pp. 2-72 to 2-73, published in Dec. 1989 by Electronic Industries Association Engineering Department.
H. Beker and F. Piper, Cipher Systems-The Protection of Communications, pp. 305-311, 320-322, published in Great Britain (1982).

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