ClassID:

227265

H04L2209/04 - page 2 - CPC Classification

Classification description:

Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication Masking or blinding

Recent Application in this class:
#301
20130077790
2013-03-28

Encryption processing apparatus

#302
20130073857
2013-03-21

One way authentication

#303
20130016830
2013-01-17

Power analysis attack countermeasure for the ECDSA

#304
20130010963
2013-01-10

Multiplicative splits to protect cipher keys

#305
20120324310
2012-12-20

Semiconductor device and method of writing data to semiconductor device

#306
20120321077
2012-12-20

Cryptographic communication system and cryptographic communication method

#307
20120314857
2012-12-13

BLOCK ENCRYPTION DEVICE, BLOCK DECRYPTION DEVICE, BLOCK ENCRYPTION METHOD, BLOCK DECRYPTION METHOD AND PROGRAM

#308
20120224693
2012-09-06

Method and system for security authentication of radio frequency identification

#309
20120210139
2012-08-16

Segmented Mapping

#310
20120159188
2012-06-21

Systems and methods for identity-based encryption and related cryptographic techniques

#311
20120159147
2012-06-21

Secret key generation

#312
20120155638
2012-06-21

Securing keys of a cipher using properties of the cipher process

#313
20120089844
2012-04-12

One way authentication

#314
20120076296
2012-03-29

Method and apparatus for a high bandwidth stream cipher

#315
20120066571
2012-03-15

Key extraction in an integrated circuit

#316
20120060037
2012-03-08

Protecting against differential power analysis attacks on decryption keys

#317
20120047417
2012-02-23

Operation unit and program

#318
20120039462
2012-02-16

RSA SIGNATURE METHOD AND APPARATUS

#319
20120008775
2012-01-12

System and method for secure transaction of data between wireless communication device and server

#320
20110314300
2011-12-22

Segmented mapping

#321
20110314292
2011-12-22

Power analysis attack countermeasure for the ECDSA

#322
20110314278
2011-12-22

On-the-fly data masking

#323
20110304435
2011-12-15

SECURE METHOD FOR TRANSMITTING DATA

#324
20110295918
2011-12-01

Method of evaluating a function and associated device

#325
20110293088
2011-12-01

Method of determining a representation of a product of a first element and a second element of a finite set, method of evaluating a function applied to an element of a finite set and associated devices

#326
20110289565
2011-11-24

Retrieving access information in a dispersed storage network

#327
20110289383
2011-11-24

Retrieving data from a dispersed storage network in accordance with a retrieval threshold

#328
20110289366
2011-11-24

Memory utilization balancing in a dispersed storage network

#329
20110289283
2011-11-24

Memory device utilization in a dispersed storage network

#330
20110286596
2011-11-24

System and methods for encryption with authentication integrity

#331
20110286595
2011-11-24

Storing access information in a dispersed storage network

#332
20110286594
2011-11-24

Storage of sensitive data in a dispersed storage network

#333
20110258455
2011-10-20

Masked digital signatures

#334
20110255689
2011-10-20

MULTIPLE-MODE CRYPTOGRAPHIC MODULE USABLE WITH MEMORY CONTROLLERS

#335
20110246787
2011-10-06

Obfuscating transformations on data array content and addresses

#336
20110213982
2011-09-01

ElGamal signature schemes

#337
20110211697
2011-09-01

System and method for the calculation of a polynomial-based hash function and the erindale-plus hashing algorithm

#338
20110202991
2011-08-18

Preserving privacy with digital identities

#339
20110202766
2011-08-18

Method and apparatus for efficient and secure creating, transferring, and revealing of messages over a network

#340
20110200187
2011-08-18

Elliptic polynomial cryptography with secret key embedding

#341
20110200186
2011-08-18

Method of cipher block chaining using elliptic curve cryptography

#342
20110176175
2011-07-21

Replaceable printer component including a memory storing a tag encryption mask

#343
20110161670
2011-06-30

Reducing leakage of information from cryptographic systems

#344
20110145579
2011-06-16

Password authentication method

#345
20110129084
2011-06-02

Method of executing an algorithm for protecting an electronic device by affine masking and associated device

#346
20110119532
2011-05-19

Method of detecting a fault attack

#347
20110119488
2011-05-19

Method and system for facilitating throttling of interpolation-based authentication

#348
20110099386
2011-04-28

Device and method for detecting a manipulation of an information signal

#349
20110087885
2011-04-14

Method and apparatus for efficient and secure creating, transferring, and revealing of messages over a network

#350
20110075846
2011-03-31

Secure computation of private values

#351
20110069864
2011-03-24

Steganographic method and device

#352
20110060917
2011-03-10

Cryptographic system for performing secure computations and signal processing directly on encrypted data in untrusted environments

#353
20110026711
2011-02-03

Asymmetric cryptography using shadow numbers

#354
20100329460
2010-12-30

METHOD AND APPARATUS FOR ASSURING ENHANCED SECURITY

#355
20100318804
2010-12-16

SCHEME OF APPLYING THE MODIFIED POLYNOMIAL-BASED HASH FUNCTION IN THE DIGITAL SIGNATURE ALGORITHM BASED ON THE DIVISION ALGORITHM

#356
20100318782
2010-12-16

SECURE AND PRIVATE BACKUP STORAGE AND PROCESSING FOR TRUSTED COMPUTING AND DATA SERVICES

#357
20100313033
2010-12-09

Steganographic method and device

#358
20100284539
2010-11-11

Methods for Protecting Against Piracy of Integrated Circuits

#359
20100278334
2010-11-04

Method and apparatus for minimizing differential power attacks on processors

#360
20100275009
2010-10-28

Method for the unique authentication of a user by service providers

#361
20100268938
2010-10-21

Securing data in a dispersed storage network using security sentinel value

#362
20100228939
2010-09-09

Parallel read functional unit for microprocessors

#363
20100220861
2010-09-02

Multiple transform utilization and application for secure digital watermarking

#364
20100208895
2010-08-19

Systems and methods for identity-based encryption and related cryptographic techniques

#365
20100205433
2010-08-12

System and method for remote device registration

#366
20100100737
2010-04-22

System and method for generating a non-repudiatable record of a data stream

#367
20100091984
2010-04-15

Secure logical vector clocks

#368
20100091982
2010-04-15

Differential power analysis—resistant cryptographic processing

#369
20100034434
2010-02-11

System and method for authentication of data

#370
20100002870
2010-01-07

Partial encryption and full authentication of message blocks

#371
20090319790
2009-12-24

Masked digital signatures

#372
20090304179
2009-12-10

System and method to preclude message modification in data authentication systems through efficent use of feedback in cryptographic functions

#373
20090300371
2009-12-03

Semiconductor integrated device and method of testing semiconductor integrated device

#374
20090279688
2009-11-12

Closed galois field cryptographic system

#375
20090235072
2009-09-17

SYSTEM, TERMINAL, METHOD, AND SOFTWARE FOR COMMUNICATING MESSAGES

#376
20090220074
2009-09-03

Steganographic method and device

#377
20090092245
2009-04-09

Protection against side channel attacks

#378
20090055640
2009-02-26

Masking a hardware boot sequence

#379
20090034714
2009-02-05

Systems and methods for identity-based encryption and related cryptographic techniques

#380
20090030845
2009-01-29

System and method for account identifier obfuscation

#381
20090022180
2009-01-22

System and method of data verification

#382
20090016523
2009-01-15

Masking and Additive Decomposition Techniques for Cryptographic Field Operations

#383
20090010428
2009-01-08

Asymmetric cryptosystem employing paraunitary matrices

#384
20080301458
2008-12-04

Power analysis attack countermeasure for the ECDSA

#385
20080301447
2008-12-04

Secure offline activation process for licensed software application programs

#386
20080267403
2008-10-30

System and method for privacy enhancement via adaptive cryptographic embedding

#387
20080263357
2008-10-23

Identity-based-encryption extensions formed using multiple instances of an identity based encryption scheme

#388
20080260153
2008-10-23

Symmetric and asymmetric cryptography using shadow numbers

#389
20080256366
2008-10-16

Booting a multiprocessor device based on selection of encryption keys to be provided to processors

#390
20080222734
2008-09-11

Security system with extraction, reconstruction and secure recovery and storage of data

#391
20080216051
2008-09-04

System and method of interlocking to protect software-mediated program and device behaviours

#392
20080215874
2008-09-04

Masking a boot sequence by providing a dummy processor

#393
20080208560
2008-08-28

System and method of interlocking to protect software—mediated program and device behaviors

#394
20080172560
2008-07-17

Reversible hashing for E-signature verification

#395
20080144832
2008-06-19

Secure computation of private values

#396
20080123841
2008-05-29

Apparatus to implement dual hash algorithm

#397
20080077794
2008-03-27

Method for controlling security function execution with a flexible, extendable, and non-forgable block

#398
20080075277
2008-03-27

Steganographic method and device

#399
20080063185
2008-03-13

Symmetric cryptosystem using cascaded chaotic maps

#400
20080059826
2008-03-06

Differential power analysis

#401
20080031445
2008-02-07

Key Binding Method and Applications Capable of Dynamic Key Generation

#402
20080022146
2008-01-24

Differential power analysis

#403
20080019510
2008-01-24

Privacy-preserving substring creation

#404
20080005570
2008-01-03

Masked digital signatures

#405
20070300053
2007-12-27

System and method for masking a hardware boot sequence

#406
20070294536
2007-12-20

Steganographic method and device

#407
20070288762
2007-12-13

Masking a boot sequence by providing a dummy processor

#408
20070288761
2007-12-13

SYSTEM AND METHOD FOR BOOTING A MULTIPROCESSOR DEVICE BASED ON SELECTION OF ENCRYPTION KEYS TO BE PROVIDED TO PROCESSORS

#409
20070277041
2007-11-29

Device and method for detecting a manipulation of an information signal

#410
20070223365
2007-09-27

Apparatus for and method of minimizing backoff for orthogonal frequency division multiplexing transmission

#411
20070220094
2007-09-20

Methods and systems for multi-party sorting of private values

#412
20070192592
2007-08-16

Decryption and encryption during write accesses to a memory

#413
20070124590
2007-05-31

One way authentication

#414
20070121943
2007-05-31

Data obfuscation

#415
20070121935
2007-05-31

Method for countermeasuring in an electronic component

#416
20070061572
2007-03-15

Authentication system and remotely-distributed storage system

#417
20070057982
2007-03-15

Method of authenticating a consumable

#418
20070053509
2007-03-08

Method and apparatus for minimizing differential power attacks on processors

#419
20070050614
2007-03-01

Robust hyper-chaotic encryption-decryption system and method for digital secure-communication

#420
20070041583
2007-02-22

Systems and methods for identity-based encryption and related cryptographic techniques

#421
20070021843
2007-01-25

System and method for remote device registration

#422
20070016419
2007-01-18

Selective security masking within recorded speech utilizing speech recognition techniques

#423
20060294206
2006-12-28

Opaque cryptographic web application data protection

#424
20060256963
2006-11-16

Key masking for cryptographic processes

#425
20060239511
2006-10-26

System and method for protecting the privacy and security of stored biometric data

#426
20060193471
2006-08-31

Encryption method and system

#427
20060155993
2006-07-13

Service provider anonymization in a single sign-on system

#428
20060140403
2006-06-29

Multiple transform utilization and application for secure digital watermarking

#429
20060129812
2006-06-15

Authentication for admitting parties into a network

#430
20060107052
2006-05-18

Integrated circuit card with situation dependent identity authentication

#431
20060107049
2006-05-18

Integrated circuit card with situation dependent identity authentication

#432
20060050868
2006-03-09

Protected cryptographic calculation

#433
20060029224
2006-02-09

System and recording medium for securing data and methods thereof

#434
20060023873
2006-02-02

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

#435
20060013389
2006-01-19

Cryptographic method and apparatus

#436
20050238174
2005-10-27

Method and system for secure communications over a public network

#437
20050213752
2005-09-29

Stream cipher encryption and message authentication

#438
20050206672
2005-09-22

Method of authenticating a consumable

#439
20050198404
2005-09-08

Semiconductor device and electronic apparatus

#440
20050177727
2005-08-11

Steganographic method and device

#441
20050166058
2005-07-28

Unidirectional message masking and validation system and method

#442
20050157871
2005-07-21

Encryption/signature method, apparatus, and program

#443
20050066175
2005-03-24

Ephemeral decryption utilizing binding functions

#444
20050066174
2005-03-24

Blinded encryption and decryption

#445
20050058139
2005-03-17

Optical network unit and optical line terminal

#446
17467193
2022-04-26

Distributed ledger-based ad-hoc system, apparatus and method

#447
17405697
2023-07-25

Protecting user privacy in playback of user sessions

#448
17177736
2024-03-12

Media hosting system employing a secured video stream

#449
14871414
2019-03-05

Dynamic external views with encryption to support global data compliance for global archives

#450
14054655
2016-09-20

General protocol for proactively secure computation