Handling device and method of security data

Details Handling device and method of security data Handling device and method of security data

2003-10-16

2008-09-16

Parthasarathy, Pramila (Department: 2136)

Cryptography

Communication system using cryptography

Symmetric key cryptography

C380S262000, C340S005640

Reexamination Certificate

active

07426275

ABSTRACT:
A handling device of security data of a vehicle includes: an in-vehicle unit having a portable unit authenticating unit, an EEPROM, a ROM, and a controller; a vehicle having the in-vehicle unit, a door locking mechanism, and a communication unit; and a portable unit for locking or unlocking the door locking mechanism of the vehicle. In the above device, an encryption unit for encrypting the security data with a cipher key is interposed between the controller and the EEPROM, the security data is encrypted with the cipher key and stored into the EEPROM, according to the instruction from the controller based on the authentication result of the portable unit authenticating unit, and the cipher key is stored into the ROM.

REFERENCES:
patent: 5392356 (1995-02-01), Konmo et al.
patent: 5610574 (1997-03-01), Mutoh et al.
patent: 5679984 (1997-10-01), Talbot et al.
patent: 5774550 (1998-06-01), Brinkmeyer et al.
patent: 5787367 (1998-07-01), Berra
patent: 6043752 (2000-03-01), Hisada et al.
patent: 6384711 (2002-05-01), Cregger et al.
patent: 0 663 650 (1994-12-01), None
patent: 0 903 271 (1999-03-01), None
patent: 1 098 472 (2000-11-01), None
patent: WO 95/17739 (1995-06-01), None

Affiliated with

Also associated with

Rating

Handling device and method of security data does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Handling device and method of security data, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Handling device and method of security data will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3980141