The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 20, 1998
Filed:
May. 24, 1996
Toshiya Ito, Zama, JP;
Kosuke Takano, Yokohama, JP;
Hiromichi Ito, Yokohama, JP;
Mitsuru Mori, Atsugi, JP;
Hitachi, Ltd., Tokyo, JP;
Hitachi Software Engineering, Yokohama, JP;
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.