Password updating system to vary the password updating intervals

Details Password updating system to vary the password updating intervals Password updating system to vary the password updating intervals

1994-11-15

1997-02-25

Beausouel, Jr., Robert W.

C06F 1100

Patent

active

056066635

ABSTRACT:
A password updating system sets the available period and the updating period of the password for each individual user according to the frequency of his accesses to the computer system, and manages password updating by urging the user in advance to change his password on the basis of these periods. There is a chronometric unit; and a password hysteresis memory unit for memorizing and managing passwords and their available periods. An update processing unit checks the input password, requests reentry if the same password exists or updates it if no same password exists, invalidates the current password if the updating period of the password has expired, and also validates invalidated passwords. There is a comparator unit for comparing the available periods of passwords and notifying the update processing unit of a request to update the password. Also provided is a period setting unit for prescribing, upon setting of each password, the available period and the update set period of that password on the basis of the analysis of the frequency of accesses, and conveying that information to the password hysteresis memory unit. A display unit displays various messages; and an input unit inputs various information.

REFERENCES:
patent: 4924378 (1990-05-01), Hershey et al.
patent: 5032979 (1991-07-01), Hacht et al.
patent: 5210795 (1993-05-01), Lipnar et al.

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