Inventor
GIRAUD CHRISTOPHE
FR29 patents
⚠️ This page may combine multiple inventors who share the name “GIRAUD CHRISTOPHE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OBERTHUR TECHNOLOGIES
13 patentsUS8386791B2Feb 26, 2013
Secure data processing method based particularly on a cryptographic algorithm
OBERTHUR TECHNOLOGIES11 citations78
US9755829B2Sep 5, 2017
Generation of cryptographic keys
OBERTHUR TECHNOLOGIES2 citations70
US9389650B2Jul 12, 2016
Device for providing protection against intrusion for an electronic component
OBERTHUR TECHNOLOGIES3 citations70
US9992016B2Jun 5, 2018
Message generation for a cryptographic key generation test
OBERTHUR TECHNOLOGIES2 citations69
US9654290B2May 16, 2017
Integrity verification of cryptographic key pairs
OBERTHUR TECHNOLOGIES2 citations69
US7796750B2Sep 14, 2010
Method for making secure an electronic entity with encrypted access
OBERTHUR TECHNOLOGIES2 citations62
US7394901B2Jul 1, 2008
Method for exchanging authentication information between a communication entity and an operator server
OBERTHUR TECHNOLOGIES2 citations62
US10121392B2Nov 6, 2018
Masking and unmasking methods and devices
OBERTHUR TECHNOLOGIES0 citations51
US9569646B2Feb 14, 2017
Smart card reader
OBERTHUR TECHNOLOGIES0 citations50
US9680645B2Jun 13, 2017
Integrity verification of cryptographic key pairs
OBERTHUR TECHNOLOGIES1 citations48
US9779246B2Oct 3, 2017
System and method for updating an operating system for a smart card or other secure element
OBERTHUR TECHNOLOGIES1 citations46
US10242183B2Mar 26, 2019
Method of executing a program by a processor and electronic entity comprising such a processor
OBERTHUR TECHNOLOGIES0 citations40
US9069971B2Jun 30, 2015
Method for testing the security of an electronic device against an attack, and electronic device implementing countermeasures
OBERTHUR TECHNOLOGIES1 citations40
IDEMIA FRANCE
5 patentsUS12003614B2Jun 4, 2024
Infective countermeasures
IDEMIA FRANCE0 citations52
US11552796B2Jan 10, 2023
Cryptographic processing events for encrypting or decrypting data
IDEMIA FRANCE0 citations51
US12212688B2Jan 28, 2025
Method for cryptographic signature of a datum, associated electronic device and associated computer program
IDEMIA FRANCE0 citations44
US11973866B2Apr 30, 2024
Cryptographic processing method, related electronic device and computer program
IDEMIA FRANCE0 citations43
US11606195B2Mar 14, 2023
Method of verifying integrity of a pair of cryptographic keys and cryptographic device
IDEMIA FRANCE0 citations41
GIRAUD CHRISTOPHE
4 patentsUS8266423B2Sep 11, 2012
Protection against attacks by generation of errors on jump instructions
GIRAUD CHRISTOPHE6 citations70
US8311212B2Nov 13, 2012
Method of processing data protected against attacks by generating errors and associated device
GIRAUD CHRISTOPHE2 citations60
US8180046B2May 15, 2012
Method for making secure an electronic entity with encrypted access
GIRAUD CHRISTOPHE0 citations50
US8763138B2Jun 24, 2014
Method and device for security loading a memory and an associated memory
GIRAUD CHRISTOPHE0 citations40