Data exchange system with a check of the apparatus for its authe

Details Data exchange system with a check of the apparatus for its authe Data exchange system with a check of the apparatus for its authe

1992-12-22

1994-05-31

Cain, David C.

Cryptography

Particular algorithmic function encoding

Nbs/des algorithm

380 23, 380 24, H04K 100

Patent

active

053176375

ABSTRACT:
The invention relates to a data exchange system wherein the entitlement of a user is detected by a check of a personal feature inputted by the user, comprising a data carrier associated with the user, an apparatus communicating with the data carrier and a display unit. The data of the data carrier contain a data word known only to the user that, before he is asked to input his personal feature, is transmitted to the apparatus in an encoded form and displayed to the user for comparison after being decoded by a cryptographic unit contained in the apparatus and characterizing the authenticity of the apparatus.

REFERENCES:
patent: 4458109 (1984-07-01), Mueller-Schloer
patent: 4578531 (1986-03-01), Everhart et al.
patent: 5224164 (1993-06-01), Elsner
patent: 5231668 (1993-07-01), Kravitz
patent: 5243654 (1993-09-01), Hunter

Affiliated with

Also associated with

Rating

Data exchange system with a check of the apparatus for its authe does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Data exchange system with a check of the apparatus for its authe, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Data exchange system with a check of the apparatus for its authe will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1633895