1
Michel Ugon: Method for signature of an information processing file, and apparatus for implementing it. Bull CP8, Edward J Kondracki, Kerkam Stowell Kondracki & Clarke, December 26, 1995: US05479509 (211 worldwide citation)

The invention relates to a method for signature of a primary information processing file (FP), of the type consisting of causing circuits of an information processing device (1, 3, 4) to calculate at least one signature (SG) of the file, by using at least one secret datum (S; Sd) specific to the sig ...


2
Michel Ugon: Portable data carrier including a microprocessor. Compagnie Internationale pour l Informatique, Kerkam Stowell Kondracki & Clarke, July 8, 1980: US04211919 (198 worldwide citation)

A portable data or information carrier in the form of a card or the like. In order to maximize the confidentiality of information stored in the carrier, and more specifically to limit the amount of information available to a would-be defrauder monitoring data lines connecting the data carrier to ext ...


3
Michel Ugon, Andre Oisel: Method for checking the integrity of a program or data, and apparatus for implementing this method. Bull CP8, Weingarten Schurgin Gagnebin & Hayes, August 15, 1995: US05442645 (196 worldwide citation)

The invention relates to a method and apparatus for checking the integrity of a message such as a program and/or data against an original message supposed to correspond to it.


4
Francois Chemin, Michel Ugon: Method and apparatus for certifying services obtained using a portable carrier such as a memory card. Bull CP8, Kerkam Stowell Kondracki & Clarke, April 25, 1989: US04825052 (156 worldwide citation)

A method and apparatus for certifying services obtained with the aid of a portable carrier such as a memory card. A portable carrier (2) such as a credit card is adapted to be connected to an apparatus (1) that calculates a visual record or certificate (C), composed of a result (R) and parameters (P ...


5
Michel Ugon: Process for loading a protected storage zone of an information processing device, and associated device. CP8 Transac, Edward J Kondracki, Kerkam Stowell Kondracki & Clarke P C, October 20, 1998: US05825875 (126 worldwide citation)

The invention relates to a process for loading a protected storage zone of an information processing device, with confidential data and/or programs, and to the associated information processing device.


6
Michel Ugon, Jean Pierre Nonat: Hand-held processor with two-way dialog between microprocessor in case and microprocessor on carrier insertable into casing slot. Compagnie Internationale pour l Informatique Cii Honeywell Bull, Kerkam Stowell Kondracki & Clarke, June 11, 1985: US04523297 (121 worldwide citation)

A portable hand-held machine M1 includes a keyboard M4, a display screen a microprocessor, and a memory. The machine includes a receptacle M2, and a connector M6 to enable connection to at least one removable carrier M3 comprising a memory associated with a microprocessor M8. Circuits are provided f ...


7
Michel Ugon: Flat package for integrated circuit devices. Compagnie Internationale pour l Informatique CII Honeywell Bull, Kerkam Stowell Kondracki & Clarke, April 28, 1981: US04264917 (109 worldwide citation)

According to the present invention, a flat package for at least one integed circuit device having output pads comprises a supporting member for the IC device, a plurality of output terminals external to the package, an array of conductors connecting the said output terminals to the said output pads ...


8
Bertrand de Pommery, Michel Ugon: System and method for authorizing access to an article distribution or service acquisition machine. Compagnie Internationale pour l Informatique CII Honeywell Bull, Kerkam Stowell Kondracki & Clarke, May 22, 1984: US04450535 (108 worldwide citation)

A system and method for distribution of articles or services, especially adapted to be secure against use by unauthorized personel, receives first and second data carriers. Each data carrier includes a processor, data storage, and interfacing circuits. A random number generator feeds a random number ...


9
Michel Hazard, Michel Ugon: Method for authenticating an external authorizing datum by a portable object, such as a memory card. Bull CP8, Kerkam Stowell Kondracki & Clarke, March 6, 1990: US04907272 (99 worldwide citation)

The invention relates to a method for authenticating an external authorizing datum by a portable object, such as a memory card.


10
Michel Ugon: Security device prohibiting the function of an electronic data processing unit after a first cutoff of its electrical power. Bull CP8, Kerkam Stowell Kondracki & Clarke, January 3, 1989: US04795893 (98 worldwide citation)

The invention relates to a security device (1) prohibiting the execution of at least one function of an electronic data processing unit (2) after a first cutoff of its electric power even in the case of a resumption of supply voltage.