ClassID:

227266

H04L2209/043 - CPC Classification

Classification description:

Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication; Masking or blinding of tables, e.g. lookup, substitution or mapping

Recent Application in this class:
#1
20260003733
2026-01-01

Reconstructing Data in a Storage Network

#2
20250247208
2025-07-31

SECURED PERFORMANCE OF A CRYPTOGRAPHIC PROCESS

#3
20240394146
2024-11-28

Data Reconstruction in a Storage Network and Methods for Use Therewith

#4
20240214375
2024-06-27

SENDING AND RECEIVING MESSAGES

#5
20230085577
2023-03-16

Secured performance of an elliptic curve cryptographic process

#6
20230082339
2023-03-16

Secured performance of a cryptographic process

#7
20220337389
2022-10-20

Masked comparison circumventing compression in post-quantum schemes

#8
20220173898
2022-06-02

Dynamic white box-based data processing method, apparatus, and device

#9
20220114053
2022-04-14

Reconstructing data segments in a storage network and methods for use therewith

#10
20220085974
2022-03-17

Method and circuit for performing a substitution operation

#11
20210297424
2021-09-23

System and method for managing and securing a distributed ledger for a decentralized peer-to-peer network

#12
20210258297
2021-08-19

Sending and receiving messages

#13
20210143978
2021-05-13

METHOD TO SECURE A SOFTWARE CODE PERFORMING ACCESSES TO LOOK-UP TABLES

#14
20210135838
2021-05-06

Data masking framework for information processing system

#15
20210036869
2021-02-04

Establishing trust on a data storage network

#16
20200412523
2020-12-31

Platform neutral data encryption standard (DES) cryptographic operation

#17
20200213096
2020-07-02

Data conversion systems and methods

#18
20190305930
2019-10-03

White box AES implementation

#19
20190268137
2019-08-29

Method and device for performing substitution table operations

#20
20190268136
2019-08-29

Method and circuit for performing a substitution operation

#21
20190268134
2019-08-29

Method and circuit for implementing a substitution table

#22
20190253434
2019-08-15

System and method for managing and securing a distributed ledger for a decentralized peer-to-peer network

#23
20190251061
2019-08-15

Digest listing decomposition

#24
20190229886
2019-07-25

Method to counter DCA attacks of order 2 and higher on table-based implementations

#25
20190199517
2019-06-27

Technology for generating a keystream while combatting side-channel attacks

#26
20190171616
2019-06-06

Metadata access in a dispersed storage network

#27
20190149327
2019-05-16

METHOD AND SYSTEM FOR QUANTUM KEY DISTRIBUTION AND DATA PROCESSING

#28
20190103957
2019-04-04

Encryption device, encryption method, decryption device and decryption method

#29
20190044704
2019-02-07

Systems and methods for an enhanced XOR cipher through extensions

#30
20180367297
2018-12-20

Cryptographic algorithm having a key-dependent masked computing step (SBOX call)

#31
20180316491
2018-11-01

Fast format-preserving encryption for variable length data

#32
20180150634
2018-05-31

Scrambling of the operation of an integrated circuit

#33
20170353302
2017-12-07

Data conversion systems and methods

#34
20170352298
2017-12-07

Hardened white box implementation 2

#35
20170344495
2017-11-30

Consistent utility-preserving masking of a dataset in a distributed environment

#36
20170332234
2017-11-16

SECURED SENSOR INTERFACE

#37
20170324547
2017-11-09

Method for testing and hardening software applications

#38
20170324543
2017-11-09

Hardened white box implementation 1

#39
20170324542
2017-11-09

Hardened white box implementation

#40
20170222984
2017-08-03

Systems and methods for encoding the core identifier in the session identifier

#41
20170185614
2017-06-29

Digest listing decomposition

#42
20170098097
2017-04-06

Private data exchange

#43
20170063524
2017-03-02

Protection of a rijndael algorithm

#44
20170063523
2017-03-02

DPA protection of a rijndael algorithm

#45
20170063522
2017-03-02

Verification of the resistance of an electronic circuit to side-channel attacks

#46
20160380982
2016-12-29

Tokenization of structured data

#47
20160148020
2016-05-26

Two-way parity error detection for advanced encryption standard engines

#48
20160020901
2016-01-21

Customizable encryption algorithm based on a sponge construction with authenticated and non-authenticated modes of operation

#49
20150372989
2015-12-24

Method for introducing dependence of white-box implementation on a set of strings

#50
20150312039
2015-10-29

Behavioral fingerprint in a white-box implementation

#51
20150293911
2015-10-15

Computing device configured with a table network

#52
20150270950
2015-09-24

Splitting S-boxes in a white-box implementation to resist attacks

#53
20150244524
2015-08-27

Side-channel-protected masking

#54
20140351579
2014-11-27

Hardware authentication in a dispersed storage network

#55
20140337622
2014-11-13

Dispersed storage network with encrypted portion withholding and methods for use therewith

#56
20140331087
2014-11-06

Identifying and correcting an undesired condition of a dispersed storage network access request

#57
20140317403
2014-10-23

Dispersed storage network with slice refresh and methods for use therewith

#58
20140301549
2014-10-09

Process for selecting compressed key bits for collision resolution in hash lookup table

#59
20140233730
2014-08-21

Multiple transform utilization and application for secure digital watermarking

#60
20140226812
2014-08-14

Multiple transform utilization and application for secure digital watermarking

#61
20140226811
2014-08-14

Multiple transform utilization and application for secure digital watermarking

#62
20140115387
2014-04-24

Identifying a slice name information error in a dispersed storage network

#63
20140101458
2014-04-10

Code tampering protection for insecure environments

#64
20140068245
2014-03-06

Systems and methods for handling SSL session not reusable across multiple cores

#65
20130041522
2013-02-14

System for obtaining information in vehicle

#66
20130016836
2013-01-17

Cryptographic process execution protecting an input value against attacks

#67
20130016834
2013-01-17

Security countermeasures for power analysis attacks

#68
20120278882
2012-11-01

Accessory device authentication

#69
20120201374
2012-08-09

Systems and methods for implementing block cipher algorithms on attacker-controlled systems

#70
20120106731
2012-05-03

Speeding up galois counter mode (GCM) computations

#71
20120045050
2012-02-23

Apparatus and method for block cipher process for insecure environments

#72
20110314346
2011-12-22

Identifying a slice name information error in a dispersed storage network

#73
20110314154
2011-12-22

Identifying and correcting an undesired condition of a dispersed storage network access request

#74
20110314072
2011-12-22

Metadata access in a dispersed storage network

#75
20110314058
2011-12-22

Coordinated retrieval of data from a dispersed storage network

#76
20110311051
2011-12-22

Utilizing a deterministic all or nothing transformation in a dispersed storage network

#77
20110261958
2011-10-27

Table splitting for cryptographic processes

#78
20110233945
2011-09-29

Vehicle door handle apparatus

#79
20110228928
2011-09-22

Selection of a lookup table with data masked with a combination of an additive and multiplicative mask

#80
20110208966
2011-08-25

INTEGRATED CIRCUIT FOR AUTHENTICATION OF CONSUMABLE STORAGE DEVICE

#81
20110185176
2011-07-28

Biometric authentication method and system

#82
20110176678
2011-07-21

Masking operation method and device for symmetric key encrypted system

#83
20110154026
2011-06-23

SYSTEMS AND METHODS FOR PARALLEL PROCESSING OF OCSP REQUESTS DURING SSL HANDSHAKE

#84
20110138190
2011-06-09

Graph encryption

#85
20110064225
2011-03-17

Security countermeasure for power analysis attacks

#86
20110040817
2011-02-17

Circuit and method for generating a true, circuit-specific and time-invariant random number

#87
20110038479
2011-02-17

Developing initial and subsequent keyID information from a unique mediaID value

#88
20110033043
2011-02-10

Table masking for resistance to power analysis attacks

#89
20110013767
2011-01-20

Masking method of defending differential power analysis attack in seed encryption algorithm

#90
20100325420
2010-12-23

Systems and methods for handling SSL session not reusable across multiple cores

#91
20100325419
2010-12-23

Systems and methods for encoding the core identifier in the session identifier

#92
20100275063
2010-10-28

Method of testing validity of authentication IC

#93
20100268692
2010-10-21

Verifying data security in a dispersed storage network

#94
20100253966
2010-10-07

Printing system for validating printing consumable

#95
20100220861
2010-09-02

Multiple transform utilization and application for secure digital watermarking

#96
20100213878
2010-08-26

METHOD AND APPARATUS FOR REDUCING OPTICAL EMISSIONS IN AN INTEGRATED CIRCUIT

#97
20100205243
2010-08-12

Methods and systems for polling an on demand service

#98
20100199110
2010-08-05

Integrated circuit having obscured state change circuitry

#99
20100183146
2010-07-22

Parallelizable integrity-aware encryption technique

#100
20100146028
2010-06-10

Method and apparatus for modulus reduction

#101
20100125728
2010-05-20

Method of implementing one way hash functions and apparatus therefor

#102
20100075604
2010-03-25

Accessory device authentication

#103
20100054461
2010-03-04

Systems and methods for implementing block cipher algorithms on attacker-controlled systems

#104
20100049983
2010-02-25

Method of authenticating digital signature

#105
20100031064
2010-02-04

Tamper Detection Line Circuitry For An Authentication Integrated Circuit

#106
20100017546
2010-01-21

Method, apparatus and system for authentication of external storage devices

#107
20090242636
2009-10-01

PROCESSOR FOR A PRINT ENGINE ASSEMBLY HAVING POWER MANAGEMENT CIRCUITRY

#108
20090213733
2009-08-27

Role determination for network devices

#109
20090103722
2009-04-23

Apparatus and method to provide secure communication over an insecure communication channel for location information using tracking devices

#110
20090086976
2009-04-02

Substitution table masking for cryptographic processes

#111
20090070858
2009-03-12

AUTHENTICATION COMPUTER AND PROGRAM

#112
20090070354
2009-03-12

Minimal perfect hash functions using double hashing

#113
20090043708
2009-02-12

Method and apparatus for reducing optical emissions in an integrated circuit

#114
20090013178
2009-01-08

Integrated circuit for the authentication of a consumable storage device

#115
20090006262
2009-01-01

FINANCIAL TRANSACTION PAYMENT PROCESSOR

#116
20080301791
2008-12-04

Single sign-on system, method, and access device

#117
20080260145
2008-10-23

Selection of a lookup table with data masked with a combination of an additive and multiplicative mask

#118
20080240423
2008-10-02

Speeding up Galois Counter Mode (GCM) computations

#119
20080226066
2008-09-18

Apparatus for batch verification and method using the same

#120
20080222421
2008-09-11

SIGNATURE INFORMATION PROCESSING METHOD, ITS PROGRAM AND INFORMATION PROCESSING APPARATUS

#121
20080144819
2008-06-19

Efficient data integrity protection

#122
20080144813
2008-06-19

Shuffle-decrypting legitimacy certifying apparatus and method, shuffle-decrypting verifying apparatus and method, program, and recording medium

#123
20080063187
2008-03-13

HASH VALUE GENERATION DEVICE, PROGRAM, AND HASH VALUE GENERATION METHOD

#124
20080044010
2008-02-21

Cryptographic system and method for encrypting input data

#125
20080019503
2008-01-24

Encryption protection method

#126
20070271465
2007-11-22

Method of Authentication by Challenge-Response and Picturized-Text Recognition

#127
20070250915
2007-10-25

Versatile access control system

#128
20070250432
2007-10-25

Encoded short message service text messaging systems and methods

#129
20070230694
2007-10-04

Cryptographically secure pseudo-random number generator

#130
20070226498
2007-09-27

Validating apparatus for use with a pair of integrated circuits

#131
20070211890
2007-09-13

Table splitting for cryptographic processes

#132
20070199053
2007-08-23

Flexible and adjustable authentication in cyberspace

#133
20070143623
2007-06-21

Method of validating consumable authentication chip

#134
20070050880
2007-03-08

System and method for interpretive garments

#135
20070011023
2007-01-11

Apparatus for authenticating the validity of a device

#136
20060285682
2006-12-21

Authentication system executing an elliptic curve digital signature cryptographic process

#137
20060242416
2006-10-26

Systems and methods for embedding messages in look-up tables

#138
20060195698
2006-08-31

Receive side scaling with cryptographically secure hashing

#139
20060140403
2006-06-29

Multiple transform utilization and application for secure digital watermarking

#140
20060136725
2006-06-22

Use of variant and base keys with two entities

#141
20060107050
2006-05-18

METHOD USED BY AN ACCESS POINT OF A WIRELESS LAN AND RELATED APPARATUS

#142
20060005027
2006-01-05

Method and system for verifying authenticity of an object

#143
20050259814
2005-11-24

Table masking for resistance to power analysis attacks

#144
20050232430
2005-10-20

Security countermeasures for power analysis attacks

#145
20050210248
2005-09-22

Method and device for generating approximate message authentication codes

#146
20050175175
2005-08-11

Parallelizable integrity-aware encryption technique

#147
20050151819
2005-07-14

Method and apparatus for protecting a print engine assembly from print media pulling

#148
20050146614
2005-07-07

Digital camera that incorporates an authentication arrangement for application to consumable print rolls

#149
20050138392
2005-06-23

Secure method and system for biometric verification

#150
20050123142
2005-06-09

Method and apparatus for secure key replacement

#151
20050066168
2005-03-24

Authentication chip for authenticating an untrusted chip

#152
20050038755
2005-02-17

Method and apparatus for reducing optical emissions in an integrated circuit

#153
20050033705
2005-02-10

Decoy device in an integrated circuit

#154
20050010778
2005-01-13

Method for validating an authentication chip

#155
15406643
2018-10-30

Apparatus and method for data redaction in a semi-structured document database

#156
13874201
2016-02-02

Authentication of computing devices using augmented credentials to enable actions-per-group