ClassID:

191311

G06F2207/7238 - CPC Classification

Classification description:

Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled; Indexing scheme relating to groups -; Countermeasures against side channel or fault attacks; Randomisation as countermeasure against side channel attacks; Masking, e.g. (A**e)+r mod n Operand masking, i.e. message blinding, e.g. (A+r)**e mod n; k.(P+R)

Recent Application in this class:
#1
20200110907
2020-04-09

Asymmetrically masked multiplication

#2
20180248682
2018-08-30

Automatic insertion of masking into an algorithm

#3
20180211065
2018-07-26

Asymmetrically masked multiplication

#4
20150172042
2015-06-18

Efficient modular addition resistant to side channel attacks

#5
20140281573
2014-09-18

Asymmetrically masked multiplication

#6
20130114806
2013-05-09

Method for encrypting a message through the computation of mathematical functions comprising modular multiplications

#7
20130016830
2013-01-17

Power analysis attack countermeasure for the ECDSA

#8
20130016827
2013-01-17

Protection of a calculation on an elliptic curve

#9
20130016826
2013-01-17

Protection of a modular exponentiation calculation by addition of a random quantity

#10
20110314292
2011-12-22

Power analysis attack countermeasure for the ECDSA

#11
20110243321
2011-10-06

Scrambling of a calculation performed according to an RSA-CRT algorithm

#12
20110064215
2011-03-17

Exponent obfuscation

#13
20100329446
2010-12-30

Logic circuit and method for calculating an encrypted result operand

#14
20100287384
2010-11-11

ARRANGEMENT FOR AND METHOD OF PROTECTING A DATA PROCESSING DEVICE AGAINST AN ATTACK OR ANALYSIS

#15
20100100748
2010-04-22

Arrangement for and method of protecting a data processing device against an attack or analysis

#16
20100014656
2010-01-21

Cryptographic method comprising secure modular exponentiation against hidden-channel attacks, cryptoprocessor for implementing the method and associated chip card

#17
20090097637
2009-04-16

Randomized RSA-based cryptographic exponentiation resistant to side channel and fault attacks

#18
20090092245
2009-04-09

Protection against side channel attacks

#19
20080301458
2008-12-04

Power analysis attack countermeasure for the ECDSA

#20
20080201398
2008-08-21

Determination of a Modular Inverse

#21
20080056489
2008-03-06

Scrambling of a calculation performed according to an RSA-CRT algorithm

#22
20080025500
2008-01-31

Cryptographic device having tamper resistance to power analysis attack

#23
20070177721
2007-08-02

Tamper-proof elliptic encryption with private key

#24
20060023873
2006-02-02

Method for secure integer division or modular reduction against hidden channel attacks

#25
20050157870
2005-07-21

Modular inversion that is protected against espionage

#26
20050152539
2005-07-14

Method of protecting cryptographic operations from side channel attacks

#27
20050036618
2005-02-17

Calculating unit and method for performing an arithmetic operation with encrypted operands