Unified Authentication Parameter
Original Publication Date: 1983-Dec-01
Included in the Prior Art Database: 2005-Feb-07
This article discloses a method for generating an authentication parameter (AP), which may subsequently be used for personal verification, as a function of user-remembered secret information, namely, a personal identification number (PIN) in combination with additional static information. Authentication parameters have heretofore been generated as a function only of PIN which, by definition, has in the order of 10/4/ to 10/6/ combinations. To increase security, it has been proposed that the authentication parameter be defined as AP = PAN||PIN, where the symbol "||" indicates concatenation and PAN represents a personal account number. (The order in which the parameters are concatenated is unimportant.