Exponent masking, i.e. key masking

Industry

CPC
G06F2207/7242

This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

GPHYSICS G06Computing G06FELECTRICAL DIGITAL DATA PROCESSING G06F2207/00Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled

Current Industry

G06F2207/7242Exponent masking, i.e. key masking

Industries

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Exponent splitting for cryptographic operations
- Patent number 11,658,799
- Issue date May 23, 2023
- CRYPTOGRAPHY RESEARCH, INC.
- Michael Tunstall
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Exponent splitting for cryptographic operations
- Patent number 11,032,060
- Issue date Jun 8, 2021
- CRYPTOGRAPHY RESEARCH, INC.
- Michael Tunstall
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Encryption/description method protected against side-channel attacks
- Patent number 10,862,669
- Issue date Dec 8, 2020
- IDEMIA IDENTITY & SECURITY FRANCE
- Houssem Maghrebi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Exponent splitting for cryptographic operations
- Patent number 10,389,520
- Issue date Aug 20, 2019
- Cryptography Research, Inc.
- Michael Tunstall
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Computing a secure elliptic curve scalar multiplication using an un...
- Patent number 10,361,855
- Issue date Jul 23, 2019
- NXP B.V.
- Joppe Willem Bos
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Protection of a modular calculation
- Patent number 10,354,063
- Issue date Jul 16, 2019
- STMicroelectronics (Rousset) SAS
- Ibrahima Diop
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Cryptographic processing device and cryptographic processing method
- Patent number 8,891,759
- Issue date Nov 18, 2014
- Fujitsu Limited
- Kouichi Itoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for secure transaction of data between wireless c...
- Patent number 8,842,833
- Issue date Sep 23, 2014
- TATA Consultancy Services Limited
- Vijayarangan Natarajan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for minimizing differential power attacks on p...
- Patent number 8,666,063
- Issue date Mar 4, 2014
- Certicom.Corp.
- Farhad Pezeshki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for minimizing differential power attacks on p...
- Patent number 8,666,070
- Issue date Mar 4, 2014
- Certicom.Corp.
- Farhad Pezeshki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for minimizing differential power attacks on p...
- Patent number 8,660,264
- Issue date Feb 25, 2014
- Certicom Corp.
- Farhad Pezeshki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cryptographic processing method, computer readable storage medium,...
- Patent number 8,638,927
- Issue date Jan 28, 2014
- Fujitsu Limited
- Masahiko Takenaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Operation unit and program
- Patent number 8,631,249
- Issue date Jan 14, 2014
- Kabushiki Kaisha Toshiba
- Masanobu Koike
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for performing elliptic curve scalar multiplic...
- Patent number 8,615,080
- Issue date Dec 24, 2013
- BlackBerry Limited
- Nevine Maurice Nassif Ebeid
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for minimizing differential power attacks on p...
- Patent number 8,542,821
- Issue date Sep 24, 2013
- Certicom Corp.
- Farhad Pezeshki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for minimizing differential power attacks on p...
- Patent number 8,542,826
- Issue date Sep 24, 2013
- Certicom Corp.
- Farhad Pezeshki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Combining interleaving with fixed-sequence windowing in an elliptic...
- Patent number 8,391,479
- Issue date Mar 5, 2013
- Research In Motion Limited
- Nevine Maurice Nassif Ebeid
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods and apparatus for performing an elliptic curve scalar multi...
- Patent number 8,379,844
- Issue date Feb 19, 2013
- Research In Motion Limited
- Nevine Maurice Nassif Ebeid
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Decryption processor and decryption processing method
- Patent number 8,280,042
- Issue date Oct 2, 2012
- Fujitsu Limited
- Kouichi Itoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for performing elliptic curve scalar multiplic...
- Patent number 8,243,919
- Issue date Aug 14, 2012
- Research In Motion Limited
- Nevine Maurice Nassif Ebeid
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods and apparatus for performing an elliptic curve scalar multi...
- Patent number 8,160,245
- Issue date Apr 17, 2012
- Research In Motion Limited
- Nevine Maurice Nassif Ebeid
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data conversion apparatus and data conversion method
- Patent number 7,949,807
- Issue date May 24, 2011
- Mitsubishi Electric Corporation
- Tsuneo Sato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Altering the size of windows in public key cryptographic computations
- Patent number 7,936,871
- Issue date May 3, 2011
- Samsung Electronics Co., Ltd.
- Onur Aciicmez
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cryptographic system and method for encrypting input data
- Patent number 7,903,811
- Issue date Mar 8, 2011
- Samsung Electronics Co., Ltd.
- Ihor Vasyltsov
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of securely implementing a cryptography algorithm of the RSA...
- Patent number 7,860,242
- Issue date Dec 28, 2010
- Gemalto SA
- Karine Villegas
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Randomized sparse formats for efficient and secure computation on e...
- Patent number 7,664,258
- Issue date Feb 16, 2010
- Microsoft Corporation
- Ramarathnam Venkatesan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Portable data carrier provided with access protection by dividing u...
- Patent number 7,447,913
- Issue date Nov 4, 2008
- Giesecke & Devrient GmbH
- Hermann Drexler
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Security system using RSA algorithm and method thereof
- Patent number 7,421,074
- Issue date Sep 2, 2008
- Samsung Electronics Co., Ltd.
- Weon-il Jin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of securely implementing a cryptography algorithm of the RSA...
- Patent number 7,359,508
- Issue date Apr 15, 2008
- Gemplus
- Karine Villegas
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Device and method for calculating a result of a modular exponentiation
- Patent number 7,248,700
- Issue date Jul 24, 2007
- Infineon Technologies AG
- Jean-Pierre Seifert
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
EXPONENT SPLITTING FOR CRYPTOGRAPHIC OPERATIONS
- Publication number 20210391975
- Publication date Dec 16, 2021
- CRYPTOGRAPHY RESEARCH, INC.
- Michael Tunstall
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
EXPONENT SPLITTING FOR CRYPTOGRAPHIC OPERATIONS
- Publication number 20200076569
- Publication date Mar 5, 2020
- Cryptography Research, Inc.
- Michael Tunstall
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MINIMIZING INFORMATION LEAKAGE DURING MODULAR EXPONENTIATION AND EL...
- Publication number 20190238310
- Publication date Aug 1, 2019
- The Athena Group, Inc.
- Stuart Audley
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ENCRYPTION/DESCRIPTION METHOD PROTECTED AGAINST SIDE-CHANNEL ATTACKS
- Publication number 20180083769
- Publication date Mar 22, 2018
- Safran Identity & Security
- Houssem MAGHREBI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SEMICONDUCTOR DEVICE AND IC CARD
- Publication number 20130182839
- Publication date Jul 18, 2013
- RENESAS ELECTRONICS CORPORATION
- Camille VUILLAUME
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD AND APPARATUS FOR MINIMIZING DIFFERENTIAL POWER ATTACKS ON P...
- Publication number 20130101112
- Publication date Apr 25, 2013
- Farhad Pezeshki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
CRYPTOGRAPHIC PROCESSING DEVICE AND CRYPTOGRAPHIC PROCESSING METHOD
- Publication number 20130039486
- Publication date Feb 14, 2013
- Fujitsu Limited
- Kouichi Itoh
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and Apparatus for Performing Elliptic Curve Scalar Multiplic...
- Publication number 20120275594
- Publication date Nov 1, 2012
- Research in Motion Limited
- Nevine Maurice Nassif Ebeid
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Methods And Apparatus For Performing An Elliptic Curve Scalar Multi...
- Publication number 20120114117
- Publication date May 10, 2012
- Research in Motion Limited
- Nevine Maurice Nassif Ebeid
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
OPERATION UNIT AND PROGRAM
- Publication number 20120047417
- Publication date Feb 23, 2012
- Kabushiki Kaisha Toshiba
- Masanobu Koike
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR SECURE TRANSACTION OF DATA BETWEEN WIRELESS C...
- Publication number 20120008775
- Publication date Jan 12, 2012
- TATA CONSULTANCY SERVICES LIMITED
- Vijayarangan Natarajan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
CRYPTOGRAPHIC PROCESSING METHOD, COMPUTER READABLE STORAGE MEDIUM,...
- Publication number 20110007894
- Publication date Jan 13, 2011
- FUJITSU LIMITED
- Masahiko TAKENAKA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD AND APPARATUS FOR MINIMIZING DIFFERENTIAL POWER ATTACKS ON P...
- Publication number 20100278334
- Publication date Nov 4, 2010
- CERTICOM CORP.
- Farhad Pezeshki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DECRYPTION PROCESSOR AND DECRYPTION PROCESSING METHOD
- Publication number 20100232603
- Publication date Sep 16, 2010
- Fujitsu Limited
- Kouichi Itoh
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PRIVACY-PRESERVING SCALAR PRODUCT CALCULATION SYSTEM, PRIVACY-PRESE...
- Publication number 20090279694
- Publication date Nov 12, 2009
- Kenta TAKAHASHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Masking and Additive Decomposition Techniques for Cryptographic Fie...
- Publication number 20090016523
- Publication date Jan 15, 2009
- ATMEL CORPORATION
- Vincent Dupaquis
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ALTERING THE SIZE OF WINDOWS IN PUBLIC KEY CRYPTOGRAPHIC COMPUTATIONS
- Publication number 20090003607
- Publication date Jan 1, 2009
- Samsung Electronics Co., Ltd.
- Onur Aciicmez
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Data Conversion Apparatus and Data Conversion Method
- Publication number 20080276106
- Publication date Nov 6, 2008
- TOSOH CORPORTION
- Tsuneo Sato
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Integer Division In A Manner That Counters A Power Analysis Attack
- Publication number 20080275932
- Publication date Nov 6, 2008
- Research In Motion Limited
- Nevine Maurice Nassif Ebeid
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Combining Interleaving with Fixed-Sequence Windowing in an Elliptic...
- Publication number 20080273694
- Publication date Nov 6, 2008
- Nevine Maurice Nassif Ebeid
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and Apparatus for Performing Elliptic Curve Scalar Multiplic...
- Publication number 20080219437
- Publication date Sep 11, 2008
- Nevine Maurice Nassif Ebeid
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Methods And Apparatus For Performing An Elliptic Curve Scalar Multi...
- Publication number 20080219450
- Publication date Sep 11, 2008
- Nevine Maurice Nassif Ebeid
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method of securely implementing a cryptography algorithm of the RSA...
- Publication number 20080144814
- Publication date Jun 19, 2008
- GEMPLUS
- Karine Villegas
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Cryptographic system and method for encrypting input data
- Publication number 20080044010
- Publication date Feb 21, 2008
- Ihor Vasyltasov
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Randomized Sparse Formats for Efficient and Secure Computation on E...
- Publication number 20070189511
- Publication date Aug 16, 2007
- Microsoft Corporation
- Ramarathnam Venkatesan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and apparatus for minimizing differential power attacks on p...
- Publication number 20070053509
- Publication date Mar 8, 2007
- Farhad Pezeshki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method for the secure application of a cryptographic algorithm of t...
- Publication number 20060210066
- Publication date Sep 21, 2006
- GEMPLUS
- Karine Villegas
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Security system using RSA algorithm and method thereof
- Publication number 20050078821
- Publication date Apr 14, 2005
- Samsung Electronics Co., Ltd.
- Weon-il Jin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Device and method for calculating a result of a modular exponentiation
- Publication number 20040215685
- Publication date Oct 28, 2004
- Infineon Technologies AG
- Jean-Pierre Seifert
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Secure method for performing a modular exponentiation operation
- Publication number 20040184604
- Publication date Sep 23, 2004
- Marc Joye
- G06 - COMPUTING CALCULATING COUNTING

Exponent masking, i.e. key masking

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Exponent splitting for cryptographic operations

Exponent splitting for cryptographic operations

Encryption/description method protected against side-channel attacks

Exponent splitting for cryptographic operations

Computing a secure elliptic curve scalar multiplication using an un...

Protection of a modular calculation

Cryptographic processing device and cryptographic processing method

System and method for secure transaction of data between wireless c...

Method and apparatus for minimizing differential power attacks on p...

Method and apparatus for minimizing differential power attacks on p...

Method and apparatus for minimizing differential power attacks on p...

Cryptographic processing method, computer readable storage medium,...

Operation unit and program

Method and apparatus for performing elliptic curve scalar multiplic...

Method and apparatus for minimizing differential power attacks on p...

Method and apparatus for minimizing differential power attacks on p...

Combining interleaving with fixed-sequence windowing in an elliptic...

Methods and apparatus for performing an elliptic curve scalar multi...

Decryption processor and decryption processing method

Method and apparatus for performing elliptic curve scalar multiplic...

Methods and apparatus for performing an elliptic curve scalar multi...

Data conversion apparatus and data conversion method

Altering the size of windows in public key cryptographic computations

Cryptographic system and method for encrypting input data

Method of securely implementing a cryptography algorithm of the RSA...

Randomized sparse formats for efficient and secure computation on e...

Portable data carrier provided with access protection by dividing u...

Security system using RSA algorithm and method thereof

Method of securely implementing a cryptography algorithm of the RSA...

Device and method for calculating a result of a modular exponentiation

Patents Applicationslast 30 patents

EXPONENT SPLITTING FOR CRYPTOGRAPHIC OPERATIONS

EXPONENT SPLITTING FOR CRYPTOGRAPHIC OPERATIONS

MINIMIZING INFORMATION LEAKAGE DURING MODULAR EXPONENTIATION AND EL...

ENCRYPTION/DESCRIPTION METHOD PROTECTED AGAINST SIDE-CHANNEL ATTACKS

SEMICONDUCTOR DEVICE AND IC CARD

METHOD AND APPARATUS FOR MINIMIZING DIFFERENTIAL POWER ATTACKS ON P...

CRYPTOGRAPHIC PROCESSING DEVICE AND CRYPTOGRAPHIC PROCESSING METHOD

Method and Apparatus for Performing Elliptic Curve Scalar Multiplic...

Methods And Apparatus For Performing An Elliptic Curve Scalar Multi...

OPERATION UNIT AND PROGRAM

SYSTEM AND METHOD FOR SECURE TRANSACTION OF DATA BETWEEN WIRELESS C...

CRYPTOGRAPHIC PROCESSING METHOD, COMPUTER READABLE STORAGE MEDIUM,...

METHOD AND APPARATUS FOR MINIMIZING DIFFERENTIAL POWER ATTACKS ON P...

DECRYPTION PROCESSOR AND DECRYPTION PROCESSING METHOD

PRIVACY-PRESERVING SCALAR PRODUCT CALCULATION SYSTEM, PRIVACY-PRESE...

Masking and Additive Decomposition Techniques for Cryptographic Fie...

ALTERING THE SIZE OF WINDOWS IN PUBLIC KEY CRYPTOGRAPHIC COMPUTATIONS

Data Conversion Apparatus and Data Conversion Method

Integer Division In A Manner That Counters A Power Analysis Attack

Combining Interleaving with Fixed-Sequence Windowing in an Elliptic...

Method and Apparatus for Performing Elliptic Curve Scalar Multiplic...

Methods And Apparatus For Performing An Elliptic Curve Scalar Multi...

Method of securely implementing a cryptography algorithm of the RSA...

Cryptographic system and method for encrypting input data

Randomized Sparse Formats for Efficient and Secure Computation on E...

Method and apparatus for minimizing differential power attacks on p...

Method for the secure application of a cryptographic algorithm of t...

Security system using RSA algorithm and method thereof

Device and method for calculating a result of a modular exponentiation

Secure method for performing a modular exponentiation operation