Christophe Giraud

Person

Colombes, FR

People

Patents Grantslast 30 patents

Information Patent Grant
Method for cryptographic signature of a datum, associated electroni...
- Patent number 12,212,688
- Issue date Jan 28, 2025
- IDEMIA France
- Emmanuelle Dottax
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Infective countermeasures
- Patent number 12,003,614
- Issue date Jun 4, 2024
- IDEMIA France
- Laurent Castelnovi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Cryptographic processing method, related electronic device and comp...
- Patent number 11,973,866
- Issue date Apr 30, 2024
- IDEMIA France
- Guillaume Barbu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of verifying integrity of a pair of cryptographic keys and c...
- Patent number 11,606,195
- Issue date Mar 14, 2023
- IDEMIA France
- Luk Bettale
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cryptographic processing events for encrypting or decrypting data
- Patent number 11,552,796
- Issue date Jan 10, 2023
- Christophe Giraud
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of executing a program by a processor and electronic entity...
- Patent number 10,242,183
- Issue date Mar 26, 2019
- IDEMA FRANCE
- Olivier Chamley
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Masking and unmasking methods and devices
- Patent number 10,121,392
- Issue date Nov 6, 2018
- IDEMIA FRANCE
- Olivier Chamley
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Message generation for a cryptographic key generation test
- Patent number 9,992,016
- Issue date Jun 5, 2018
- IDEMIA FRANCE
- Alberto Battistello
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for updating an operating system for a smart card...
- Patent number 9,779,246
- Issue date Oct 3, 2017
- Oberthur Technologies
- Christophe Giraud
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Generation of cryptographic keys
- Patent number 9,755,829
- Issue date Sep 5, 2017
- Oberthur Technologies
- Alberto Battistello
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Integrity verification of cryptographic key pairs
- Patent number 9,680,645
- Issue date Jun 13, 2017
- Oberthur Technologies
- Alberto Battistello
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Integrity verification of cryptographic key pairs
- Patent number 9,654,290
- Issue date May 16, 2017
- Oberthur Technologies
- Alberto Battistello
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Masking and unmasking methods and devices
- Patent number 9,646,516
- Issue date May 9, 2017
- Oberthur Technologies
- Olivier Chamley
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Smart card reader
- Patent number 9,569,646
- Issue date Feb 14, 2017
- Oberthur Technologies
- Nicolas Morin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of processing data protected against fault injection attacks...
- Patent number 9,559,838
- Issue date Jan 31, 2017
- Oberthur Technologies
- Laurie Genelle
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Device for providing protection against intrusion for an electronic...
- Patent number 9,389,650
- Issue date Jul 12, 2016
- Oberthur Technologies
- Nicolas Bousquet
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for testing the security of an electronic device against an...
- Patent number 9,069,971
- Issue date Jun 30, 2015
- Oberthur Technologies
- Guillaume Barbu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Secure electronic entity for time certification
- Patent number 8,881,974
- Issue date Nov 11, 2014
- Oberthur Technologies
- Paul Dischamp
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Microcircuit card protected by a fuse
- Patent number 8,806,623
- Issue date Aug 12, 2014
- Oberthur Technologies
- Nicolas Morin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Secure data processing method and associated device
- Patent number 8,788,847
- Issue date Jul 22, 2014
- Oberthur Technologies
- Hugues Thiebeauld De La Crouee
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and device for security loading a memory and an associated m...
- Patent number 8,763,138
- Issue date Jun 24, 2014
- Oberthur Technologies
- Christophe Giraud
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for processing data involving modular exponentiation and rel...
- Patent number 8,682,951
- Issue date Mar 25, 2014
- Oberthur Technologies
- Arnaud Boscher
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Systems and methods for securing the power supply of command means...
- Patent number 8,453,261
- Issue date May 28, 2013
- Oberthur Technologies
- Nicolas Morin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Secure data processing method based particularly on a cryptographic...
- Patent number 8,386,791
- Issue date Feb 26, 2013
- Oberthur Technologies
- Régis Bevan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of processing data protected against attacks by generating e...
- Patent number 8,311,212
- Issue date Nov 13, 2012
- Oberthur Technologies
- Christophe Giraud
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Protection against attacks by generation of errors on jump instruct...
- Patent number 8,266,423
- Issue date Sep 11, 2012
- Oberthur Technologies
- Christophe Giraud
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for making secure an electronic entity with encrypted access
- Patent number 8,180,046
- Issue date May 15, 2012
- Oberthur Technologies
- Christophe Giraud
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for making secure an electronic entity with encrypted access
- Patent number 7,796,750
- Issue date Sep 14, 2010
- Oberthur Technologies
- Christophe Giraud
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for exchanging authentication information between a communic...
- Patent number 7,394,901
- Issue date Jul 1, 2008
- Oberthur Technologies
- Jean-Bernard Fischer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR CRYPTOGRAPHIC SIGNATURE OF A DATUM, ASSOCIATED ELECTRONI...
- Publication number 20230283480
- Publication date Sep 7, 2023
- IDEMIA France
- Emmanuelle DOTTAX
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INFECTIVE COUNTERMEASURES
- Publication number 20220393852
- Publication date Dec 8, 2022
- IDEMIA France
- Laurent CASTELNOVI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
CRYPTOGRAPHIC PROCESSING METHOD, RELATED ELECTRONIC DEVICE AND COMP...
- Publication number 20210409208
- Publication date Dec 30, 2021
- IDEMIA France
- Guillaume BARBU
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
CRYPTOGRAPHIC PROCESSING EVENTS FOR ENCRYPTING OR DECRYPTING DATA
- Publication number 20210377025
- Publication date Dec 2, 2021
- IDEMIA France
- Christophe GIRAUD
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD OF VERIFYING INTEGRITY OF A PAIR OF CRYPTOGRAPHIC KEYS AND C...
- Publication number 20200153617
- Publication date May 14, 2020
- IDEMIA FRANCE
- Luk BETTALE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SECURE ELECTRONIC ENTITY, ELECTRONIC APPARATUS AND METHOD FOR VERIF...
- Publication number 20170353315
- Publication date Dec 7, 2017
- OBERTHUR TECHNOLOGIES
- Emmanuelle DOTTAX
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MASKING AND UNMASKING METHODS AND DEVICES
- Publication number 20170162080
- Publication date Jun 8, 2017
- OBERTHUR TECHNOLOGIES
- Olivier CHAMLEY
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MESSAGE GENERATION FOR A CRYPTOGRAPHIC KEY GENERATION TEST
- Publication number 20170078089
- Publication date Mar 16, 2017
- OBERTHUR TECHNOLOGIES
- Alberto BATTISTELLO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD OF EXECUTING A PROGRAM BY A PROCESSOR AND ELECTRONIC ENTITY...
- Publication number 20160171214
- Publication date Jun 16, 2016
- OBERTHUR TECHNOLOGIES
- Olivier CHAMLEY
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Generation of cryptographic keys
- Publication number 20160072627
- Publication date Mar 10, 2016
- OBERTHUR TECHNOLOGIES
- Alberto BATTISTELLO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DEVICE FOR PROVIDING PROTECTION AGAINST INTRUSION FOR AN ELECTRONIC...
- Publication number 20150192969
- Publication date Jul 9, 2015
- OBERTHUR TECHNOLOGIES
- Nicolas Bousquet
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INTEGRITY VERIFICATION OF CRYPTOGRAPHIC KEY PAIRS
- Publication number 20150172051
- Publication date Jun 18, 2015
- OBERTHUR TECHNOLOGIES
- Alberto BATTISTELLO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INTEGRITY VERIFICATION OF CRYPTOGRAPHIC KEY PAIRS
- Publication number 20150172052
- Publication date Jun 18, 2015
- Alberto BATTISTELLO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MASKING AND UNMASKING METHODS AND DEVICES
- Publication number 20150098564
- Publication date Apr 9, 2015
- OBERTHUR TECHNOLOGIES
- Olivier CHAMLEY
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SMART CARD READER
- Publication number 20140158764
- Publication date Jun 12, 2014
- OBERTHUR TECHNOLOGIES
- Nicolas MORIN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD FOR TESTING THE SECURITY OF AN ELECTRONIC DEVICE AGAINST AN...
- Publication number 20140075203
- Publication date Mar 13, 2014
- OBERTHUR TECHNOLOGIES
- Guillaume Barbu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
UPDATING AN OPERATING SYSTEM FOR SECURE ELEMENT
- Publication number 20140025940
- Publication date Jan 23, 2014
- OBERTHUR TECHNOLOGIES
- Christophe Giraud
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MICROCIRCUIT CARD PROTECTED BY A FUSE
- Publication number 20130117844
- Publication date May 9, 2013
- OBERTHUR TECHNOLOGIES
- Nicolas MORIN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEMS AND METHODS FOR SECURING THE POWER SUPPLY OF COMMAND MEANS...
- Publication number 20120151608
- Publication date Jun 14, 2012
- OBERTHUR TECHNOLOGIES
- Nicolas MORIN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD OF PROCESSING DATA PROTECTED AGAINST FAULT INJECTION ATTACKS...
- Publication number 20110029784
- Publication date Feb 3, 2011
- OBERTHUR TECHNOLOGIES
- Laurie GENELLE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD FOR MAKING SECURE AN ELECTRONIC ENTITY WITH ENCRYPTED ACCESS
- Publication number 20100322421
- Publication date Dec 23, 2010
- OBERTHUR TECHNOLOGIES
- Christophe GIRAUD
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DEVICE FOR REPRODUCING DIGITAL CONTENT, SECURE ELECTRONIC ENTITY, S...
- Publication number 20100241863
- Publication date Sep 23, 2010
- FRANCE TELECOM
- Christophe Giraud
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Secure data processing method and associated device
- Publication number 20090254761
- Publication date Oct 8, 2009
- Hugues Thiebeauld De La Crouee
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method for Processing Data Involving Modular Exponentiation and Rel...
- Publication number 20090240756
- Publication date Sep 24, 2009
- OBERTHUR CARD SYSTEMS SA
- Arnaud Boscher
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD OF PROCESSING DATA PROTECTED AGAINST ATTACKS BY GENERATING E...
- Publication number 20090034717
- Publication date Feb 5, 2009
- OBERTHUR TECHNOLOGIES
- Christophe GIRAUD
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and Device for Security Loading a Memory and an Associated M...
- Publication number 20080040812
- Publication date Feb 14, 2008
- OBERTHUR CARD SYSTEMS SA
- Christophe Giraud
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Protection Against Attacks by Generation of Errors on Jump Instruct...
- Publication number 20070250703
- Publication date Oct 25, 2007
- Oberthur Card System SA
- Christophe Giraud
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Secure data processing method based particularly on a cryptographic...
- Publication number 20070177720
- Publication date Aug 2, 2007
- OBERTHUR CARD SYSTEMS SA
- Regis Bevan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Secure electronic entity for time certification
- Publication number 20060163369
- Publication date Jul 27, 2006
- Paul Dischamp
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method for making secure an electronic entity with encrypted access
- Publication number 20060104438
- Publication date May 18, 2006
- Christophe Giraud
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Christophe Giraud

Person

Patents Grantslast 30 patents

Method for cryptographic signature of a datum, associated electroni...

Infective countermeasures

Cryptographic processing method, related electronic device and comp...

Method of verifying integrity of a pair of cryptographic keys and c...

Cryptographic processing events for encrypting or decrypting data

Method of executing a program by a processor and electronic entity...

Masking and unmasking methods and devices

Message generation for a cryptographic key generation test

System and method for updating an operating system for a smart card...

Generation of cryptographic keys

Integrity verification of cryptographic key pairs

Integrity verification of cryptographic key pairs

Masking and unmasking methods and devices

Smart card reader

Method of processing data protected against fault injection attacks...

Device for providing protection against intrusion for an electronic...

Method for testing the security of an electronic device against an...

Secure electronic entity for time certification

Microcircuit card protected by a fuse

Secure data processing method and associated device

Method and device for security loading a memory and an associated m...

Method for processing data involving modular exponentiation and rel...

Systems and methods for securing the power supply of command means...

Secure data processing method based particularly on a cryptographic...

Method of processing data protected against attacks by generating e...

Protection against attacks by generation of errors on jump instruct...

Method for making secure an electronic entity with encrypted access

Method for making secure an electronic entity with encrypted access

Method for exchanging authentication information between a communic...

Patents Applicationslast 30 patents

METHOD FOR CRYPTOGRAPHIC SIGNATURE OF A DATUM, ASSOCIATED ELECTRONI...

INFECTIVE COUNTERMEASURES

CRYPTOGRAPHIC PROCESSING METHOD, RELATED ELECTRONIC DEVICE AND COMP...

CRYPTOGRAPHIC PROCESSING EVENTS FOR ENCRYPTING OR DECRYPTING DATA

METHOD OF VERIFYING INTEGRITY OF A PAIR OF CRYPTOGRAPHIC KEYS AND C...

SECURE ELECTRONIC ENTITY, ELECTRONIC APPARATUS AND METHOD FOR VERIF...

MASKING AND UNMASKING METHODS AND DEVICES

MESSAGE GENERATION FOR A CRYPTOGRAPHIC KEY GENERATION TEST

METHOD OF EXECUTING A PROGRAM BY A PROCESSOR AND ELECTRONIC ENTITY...

Generation of cryptographic keys

DEVICE FOR PROVIDING PROTECTION AGAINST INTRUSION FOR AN ELECTRONIC...

INTEGRITY VERIFICATION OF CRYPTOGRAPHIC KEY PAIRS

INTEGRITY VERIFICATION OF CRYPTOGRAPHIC KEY PAIRS

MASKING AND UNMASKING METHODS AND DEVICES

SMART CARD READER

METHOD FOR TESTING THE SECURITY OF AN ELECTRONIC DEVICE AGAINST AN...

UPDATING AN OPERATING SYSTEM FOR SECURE ELEMENT

MICROCIRCUIT CARD PROTECTED BY A FUSE

SYSTEMS AND METHODS FOR SECURING THE POWER SUPPLY OF COMMAND MEANS...

METHOD OF PROCESSING DATA PROTECTED AGAINST FAULT INJECTION ATTACKS...

METHOD FOR MAKING SECURE AN ELECTRONIC ENTITY WITH ENCRYPTED ACCESS

DEVICE FOR REPRODUCING DIGITAL CONTENT, SECURE ELECTRONIC ENTITY, S...

Secure data processing method and associated device

Method for Processing Data Involving Modular Exponentiation and Rel...

METHOD OF PROCESSING DATA PROTECTED AGAINST ATTACKS BY GENERATING E...

Method and Device for Security Loading a Memory and an Associated M...

Protection Against Attacks by Generation of Errors on Jump Instruct...

Secure data processing method based particularly on a cryptographic...

Secure electronic entity for time certification

Method for making secure an electronic entity with encrypted access