Registers – Systems controlled by data bearing records – Credit or identification card systems
Patent
1982-08-12
1985-02-05
Trafton, David L.
Registers
Systems controlled by data bearing records
Credit or identification card systems
235379, 2353825, 235492, G06K 500
Patent
active
044980000
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The present invention relates to security methods and devices for confidential data communication in digital form via intermediate stages; it applies to systems which allow data exchange between bearers of crediting means and centralized processing machines via specific independent non-supervized terminal units. More particularly the invention makes it possible to identify, approve and possibly encode exchanges of data between an authorized bearer of a crediting means and a remote centralized processing machine via an independent specific terminal unit, so as to preserve the confidential nature of the private data when indiscretion is to be feared.
BACKGROUND OF THE INVENTION
In a known manner, such crediting means are used as means for allowing access; a known example of this is a bank credit card which allows money to be withdrawn from some distributor terminal units in addition to payment to other specific terminal units. In the example mentioned hereinabove it is conventional to leave some terminal units practically without any supervision by banks which own centralized processing machines for transactions and also not to supervise the bearers of crediting means.
As such means are intended to keep the accesses which they control exclusively for authorized users, it is to be feared that malevolent third parties will attempt to take fraudulent advantage of the possibilities afforded by passing themselves off as authorized users or by falsifying the data.
This leads to checking the identity of the bearers of crediting means via terminals by comparing the confidential digital data registered on the crediting means with confidential data composed by bearers. However, it may be feared that such confidential data will possibly become known at the terminal units and be used to modify or add data.
Likewise, data transmitted by links over long distances is coded to prevent fraudulent tapping of confidential data by connecting a tap line to the links and hence the transmission of false data. Now, in the case of communications between two parties via a third party, said third party is particularly well placed to modify data exchanged by the other two to his benefit.
To remedy these drawbacks, the invention proposes a method and devices which tend to prevent the communication of the private data of each of the parties and to approve the data emitted.
SUMMARY OF THE INVENTION
In accordance with the invention, any communication between a bearer of a crediting means and a centralized processing machine includes the following steps:
communication of the identity of the crediting means used by the bearer to the centralized processing machine by connection of said crediting means in a specific terminal unit;
communication of the holder's specific confidential code to the system by manual insertion of said code by the bearer in the assembly formed by the crediting means and the terminal unit;
using the crediting means to determine a holder identification and transaction approval code signal by combination of the bearer's transaction data with an individualization code supplied by the crediting means when it receives the holder's confidential code;
communication of the code number, of the transaction data and of the identity of the terminal unit which is specific to the centralized processing unit by said specific terminal on the basis of the data received from the crediting means and of the data which is inherent to it.
Other features and advantages of the invention will become apparent from the description and with reference to the figures mentioned hereinbelow.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 illustrates the essential components of a system. for communicating confidential data between bearers of crediting means and centralized processing machines via specific terminals, in accordance with the invention.
FIG. 2 illustrates the essential components of a system for communicating coded confidential data, in accordance with the invention.
FIG. 3 illustrates the essential components o
REFERENCES:
patent: 3806874 (1974-04-01), Ehrat
patent: 4001550 (1977-01-01), Schatz
patent: 4016405 (1977-04-01), McCune et al.
patent: 4023013 (1977-05-01), Kinker
patent: 4048475 (1977-09-01), Yoshida
patent: 4214230 (1980-07-01), Fak et al.
Decavele Dominique
Fournier Jean-Pierre
Trafton David L.
Transac-Alcatel
LandOfFree
Security method and device for communicating confidential data v does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Security method and device for communicating confidential data v, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Security method and device for communicating confidential data v will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2084059