Pass-word managing system and pass-word managing method

Details Pass-word managing system and pass-word managing method Pass-word managing system and pass-word managing method

1996-05-24

1998-10-20

Decady, Albert

Cryptography

Key management

Having particular key generator

380 23, H04K 100

Patent

active

058260161

ABSTRACT:
When transmitting a pass-word updating request transmitted from a local host to a remote host via a network, both a present pass-word and a new pass-word are enciphered with the present pass-word of a user as a key of enciphering and then are transmitted. The remote host fetches the present pass-word from a pass-word table on the basis of a user ID and then deciphers the pass-word updating request transmitted thereto with the resultant present pass-word as a key of deciphering. Then, only when the specified present pass-word in the pass-word updating request frame matches with the present pass-word registrated in the pass-word table, the remote host updates the present pass-word into the specified new pass-word.

REFERENCES:
patent: 4317957 (1982-03-01), Sendrow
patent: 4758718 (1988-07-01), Fujisaki et al.
JP-A-4-84254 (only abstract).
JP-A-1-99157 (only abstract).
JP-A-4-30241 (only abstract).
Algorithm Register Entry (Multi 2).

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