Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Portable data carrier provided with access protection by dividing up codes

Portable data carrier provided with access protection by dividing up codes

US Patent 7447913 · Granted Nov 4, 2008

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Cryptographic algorithm having a key-dependent masked computing step (SBOX call)2020
Alternative representation of the crypto-algorithm DES2020
Hardened white box implementation 12019
Method for testing and hardening software applications2019
Hardened white box implementation2019
Hardened white box implementation 22019
Access-controlled data storage medium2016
Access-controlled data storage medium2016
Access-controlled data storage medium2013
Access-controlled data storage medium2013
Initialization of a chip card2013
Protected cryptographic calculation2011