ATE385089T1 - Verwendung von unvorhersagbarer information zur leckminimierung von chipkarten und anderen kryptosystemen - Google Patents

Verwendung von unvorhersagbarer information zur leckminimierung von chipkarten und anderen kryptosystemen

Info

Publication number
ATE385089T1
ATE385089T1 AT99937153T AT99937153T ATE385089T1 AT E385089 T1 ATE385089 T1 AT E385089T1 AT 99937153 T AT99937153 T AT 99937153T AT 99937153 T AT99937153 T AT 99937153T AT E385089 T1 ATE385089 T1 AT E385089T1
Authority
AT
Austria
Prior art keywords
cryptographic processing
unpredictable information
chipcards
secret
computation
Prior art date
Application number
AT99937153T
Other languages
English (en)
Inventor
Paul Kocher
Joshua Jaffe
Benjamin Jun
Original Assignee
Cryptography Res Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22207814&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE385089(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Cryptography Res Inc filed Critical Cryptography Res Inc
Application granted granted Critical
Publication of ATE385089T1 publication Critical patent/ATE385089T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/14—Network architectures or network communication protocols for network security for detecting or protecting against malicious traffic
    • H04L63/1441—Countermeasures against malicious traffic
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/602—Providing cryptographic facilities or services
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
    • G06F21/75—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information by inhibiting the analysis of circuitry or operation
    • G06F21/755—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information by inhibiting the analysis of circuitry or operation with measures against power attack
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/073—Special arrangements for circuits, e.g. for protecting identification code in memory
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/073—Special arrangements for circuits, e.g. for protecting identification code in memory
    • G06K19/07309—Means for preventing undesired reading or writing from or onto record carriers
    • G06K19/07363—Means for preventing undesired reading or writing from or onto record carriers by preventing analysis of the circuit, e.g. dynamic or static power analysis or current analysis
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
    • G06Q20/34—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using cards, e.g. integrated circuit [IC] cards or magnetic cards
    • G06Q20/341—Active cards, i.e. cards including their own processing means, e.g. including an IC or chip
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
    • G07F7/0806—Details of the card
    • G07F7/0813—Specific details related to card security
    • G07F7/082—Features insuring the integrity of the data on or in the card
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
    • G07F7/10—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means together with a coded signal, e.g. in the form of personal identification information, like personal identification number [PIN] or biometric data
    • G07F7/1008—Active credit-cards provided with means to personalise their use, e.g. with PIN-introduction/comparison system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/80—Jamming or countermeasure characterized by its function
    • H04K3/82—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection
    • H04K3/825—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection by jamming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/002—Countermeasures against attacks on cryptographic mechanisms
    • H04L9/003—Countermeasures against attacks on cryptographic mechanisms for power analysis, e.g. differential power analysis [DPA] or simple power analysis [SPA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/002—Countermeasures against attacks on cryptographic mechanisms
    • H04L9/004—Countermeasures against attacks on cryptographic mechanisms for fault attacks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
    • H04L9/0625—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation with splitting of the data block into left and right halves, e.g. Feistel based algorithms, DES, FEAL, IDEA or KASUMI
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F2207/72—Indexing scheme relating to groups G06F7/72 - G06F7/729
    • G06F2207/7219—Countermeasures against side channel or fault attacks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/08—Randomization, e.g. dummy operations or using noise
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/12—Details relating to cryptographic hardware or logic circuitry
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/16—Obfuscation or hiding, e.g. involving white box

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Business, Economics & Management (AREA)
  • Software Systems (AREA)
  • Accounting & Taxation (AREA)
  • Strategic Management (AREA)
  • General Business, Economics & Management (AREA)
  • Mathematical Physics (AREA)
  • Computing Systems (AREA)
  • Health & Medical Sciences (AREA)
  • Bioethics (AREA)
  • General Health & Medical Sciences (AREA)
  • Storage Device Security (AREA)
  • Credit Cards Or The Like (AREA)
  • Coin-Freed Apparatuses For Hiring Articles (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)
AT99937153T 1998-06-03 1999-06-03 Verwendung von unvorhersagbarer information zur leckminimierung von chipkarten und anderen kryptosystemen ATE385089T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8788098P 1998-06-03 1998-06-03

Publications (1)

Publication Number Publication Date
ATE385089T1 true ATE385089T1 (de) 2008-02-15

Family

ID=22207814

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99937153T ATE385089T1 (de) 1998-06-03 1999-06-03 Verwendung von unvorhersagbarer information zur leckminimierung von chipkarten und anderen kryptosystemen

Country Status (6)

Country Link
US (1) US6327661B1 (de)
EP (2) EP2280502B1 (de)
AT (1) ATE385089T1 (de)
AU (1) AU5203899A (de)
DE (1) DE69938045T2 (de)
WO (1) WO1999063696A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9773111B2 (en) 2012-08-14 2017-09-26 Empire Technology Development Llc Software-based side-channel attack prevention

Families Citing this family (147)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO304626B1 (no) * 1996-12-19 1999-01-18 Ericsson Telefon Ab L M FremgangsmÕte for Õ redusere st°y
US6748410B1 (en) 1997-05-04 2004-06-08 M-Systems Flash Disk Pioneers, Ltd. Apparatus and method for modular multiplication and exponentiation based on montgomery multiplication
ATE325478T1 (de) * 1998-01-02 2006-06-15 Cryptography Res Inc Leckresistentes kryptographisches verfahren und vorrichtung
US7587044B2 (en) 1998-01-02 2009-09-08 Cryptography Research, Inc. Differential power analysis method and apparatus
FR2776445A1 (fr) * 1998-03-17 1999-09-24 Schlumberger Ind Sa Procede de securisation de donnees mettant en oeuvre un algorithme cryptographique
US20030118190A1 (en) * 1998-05-29 2003-06-26 Siemens Aktiengesellschaft Method and apparatus for processing data where a part of the current supplied is supplied to an auxiliary circuit
IL139935A (en) 1998-06-03 2005-06-19 Cryptography Res Inc Des and other cryptographic processes with leak minimization for smartcards and other cryptosystems
DE69935913T2 (de) 1998-07-02 2008-01-10 Cryptography Research Inc., San Francisco Leckresistente aktualisierung eines indexierten kryptographischen schlüssels
CA2243761C (en) * 1998-07-21 2009-10-06 Certicom Corp. Timing attack resistant cryptographic system
US6594760B1 (en) * 1998-12-21 2003-07-15 Pitney Bowes Inc. System and method for suppressing conducted emissions by a cryptographic device
GB2345229B (en) * 1998-12-23 2003-12-03 Motorola Ltd Method for encrypting data
US7599491B2 (en) * 1999-01-11 2009-10-06 Certicom Corp. Method for strengthening the implementation of ECDSA against power analysis
FR2788614B1 (fr) * 1999-01-18 2001-02-23 St Microelectronics Sa Circuit et procede de generation de nombre aleatoire
FR2789776B1 (fr) * 1999-02-17 2001-04-06 Gemplus Card Int Procede de contre-mesure dans un composant electronique mettant en oeuvre un algorithme de cryptographie a cle secrete
FR2793904B1 (fr) * 1999-05-21 2001-07-27 St Microelectronics Sa Procede et dispositif de gestion d'un circuit electronique
US6419159B1 (en) * 1999-06-14 2002-07-16 Microsoft Corporation Integrated circuit device with power analysis protection circuitry
NL1012581C2 (nl) * 1999-07-13 2001-01-16 Koninkl Kpn Nv Werkwijze voor het beschermen van een draagbare kaart.
FR2796477B1 (fr) * 1999-07-15 2001-10-12 Gemplus Card Int Procede d'amelioration d'un generateur aleatoire en vue de le rendre resistant contre les attaques par mesure de courant
DE60007543D1 (de) * 1999-10-20 2004-02-05 Aep Systems Ltd Kryptographischer verschneller
EP1098469B1 (de) * 1999-11-03 2007-06-06 Infineon Technologies AG Kodiervorrichtung
US6766455B1 (en) 1999-12-09 2004-07-20 Pitney Bowes Inc. System and method for preventing differential power analysis attacks (DPA) on a cryptographic device
DE19963407A1 (de) * 1999-12-28 2001-07-12 Giesecke & Devrient Gmbh Tragbarer Datenträger mit Zugriffsschutz durch Nachrichtenverfremdung
DE10000502A1 (de) * 2000-01-08 2001-07-12 Philips Corp Intellectual Pty Datenverarbeitungseinrichtung und Verfahren zu dessen Betrieb
DE10000503A1 (de) * 2000-01-08 2001-07-12 Philips Corp Intellectual Pty Datenverarbeitungseinrichtung und Verfahren zu dessen Betrieb
EP1118924B1 (de) * 2000-01-19 2016-07-20 Infineon Technologies AG Verfahren zum betrieb einer mikroprozessoranordnung und mikroprozessoranordnung
GB2365153A (en) 2000-01-28 2002-02-13 Simon William Moore Microprocessor resistant to power analysis with an alarm state
FR2804524B1 (fr) 2000-01-31 2002-04-19 Oberthur Card Systems Sas Procede d'execution d'un protocole cryptographique entre deux entites electroniques
US6915435B1 (en) * 2000-02-09 2005-07-05 Sun Microsystems, Inc. Method and system for managing information retention
ATE339820T1 (de) * 2000-03-23 2006-10-15 Infineon Technologies Ag Vorrichtung und verfahren zur erhöhung der betriebssicherheit und gleichmässigkeit einer rauschquelle
WO2001075786A1 (en) * 2000-04-04 2001-10-11 Koninklijke Philips Electronics N.V. Output stage for a communication contact for a data carrier
FR2808360B1 (fr) * 2000-04-28 2002-06-28 Gemplus Card Int Procede de contre mesure dans un microcircuit mettant en oeuvre le procede et carte a puce comportant ledit microcircuit
FR2813972B1 (fr) * 2000-09-14 2003-12-12 St Microelectronics Sa Procede de brouillage de la consommation electrique d'un circuit integre
US7620832B2 (en) * 2000-09-20 2009-11-17 Mips Technologies, Inc. Method and apparatus for masking a microprocessor execution signature
US7000111B1 (en) 2000-11-07 2006-02-14 Ericsson Inc. Method for masking secret multiplicands
JP3977592B2 (ja) * 2000-12-28 2007-09-19 株式会社東芝 データ処理装置
US20020116624A1 (en) * 2001-02-16 2002-08-22 International Business Machines Corporation Embedded cryptographic system
JP4199937B2 (ja) 2001-03-06 2008-12-24 株式会社日立製作所 耐タンパー暗号処理方法
US6950937B2 (en) * 2001-05-30 2005-09-27 Lucent Technologies Inc. Secure distributed computation in cryptographic applications
US7318145B1 (en) 2001-06-01 2008-01-08 Mips Technologies, Inc. Random slip generator
DE10128573A1 (de) * 2001-06-13 2003-01-02 Infineon Technologies Ag Verhindern der unerwünschten externen Erfassung von Operationen in integrierten Digitalschaltungen
FR2826531B1 (fr) * 2001-06-26 2003-10-24 France Telecom Procede cryptographique pour la protection d'une puce electronique contre la fraude
JP2003018143A (ja) * 2001-06-28 2003-01-17 Mitsubishi Electric Corp 情報処理装置
JP4969745B2 (ja) * 2001-09-17 2012-07-04 株式会社東芝 公開鍵基盤システム
EP1293856A1 (de) * 2001-09-18 2003-03-19 EM Microelectronic-Marin SA Geschützte integrierte Schaltung mit vertraulichen Teilen und Verfahren zur Aktivierung dieser Schaltung
JP4045777B2 (ja) * 2001-10-30 2008-02-13 株式会社日立製作所 情報処理装置
JP3672874B2 (ja) * 2002-01-25 2005-07-20 Ｎｅｃマイクロシステム株式会社 データ処理装置
FR2835935B1 (fr) * 2002-02-14 2004-04-16 Geneticware Co Ltd Structure pour une logique en pipeline controlee
DE10217291B4 (de) * 2002-04-18 2005-09-29 Infineon Technologies Ag Datenverarbeitungsvorrichtung und Verfahren zum Betreiben eines Datenverarbeitungsmoduls
JP2005527853A (ja) * 2002-05-23 2005-09-15 アトメル・コーポレイション 高度暗号化規格（ａｅｓ）のハードウェア暗号法エンジン
US7493607B2 (en) 2002-07-09 2009-02-17 Bluerisc Inc. Statically speculative compilation and execution
US7248696B2 (en) * 2002-09-12 2007-07-24 International Business Machines Corporation Dynamic system bus encryption using improved differential transitional encoding
FR2844896A1 (fr) * 2002-09-19 2004-03-26 St Microelectronics Sa Alimentation d'un circuit de traitement asynchrone de donnees
US7215769B2 (en) * 2002-11-06 2007-05-08 Fiske Software Llc Non-autonomous dynamical orbit cryptography
DE10254657A1 (de) * 2002-11-22 2004-06-03 Philips Intellectual Property & Standards Gmbh Mikrocontroller und zugeordnetes Verfahren zum Abarbeiten der Programmierung des Mikrocontrollers
US7426629B2 (en) * 2002-12-12 2008-09-16 Arm Limited Processing activity masking in a data processing system
US7373463B2 (en) * 2003-02-13 2008-05-13 Stmicroelectronics S.A. Antifraud method and circuit for an integrated circuit register containing data obtained from secret quantities
DE10310781A1 (de) * 2003-03-12 2004-09-30 Infineon Technologies Ag Verfahren zum Betreiben eines Mikroprozessors und eine Mikroprozessoranordnung
US8712942B2 (en) * 2003-03-24 2014-04-29 AEMEA Inc. Active element machine computation
JP4759513B2 (ja) * 2003-06-02 2011-08-31 リキッド・マシンズ・インコーポレーテッド 動的、分散的および協働的な環境におけるデータオブジェクトの管理
EP1496641A3 (de) * 2003-07-07 2005-03-02 Sony Corporation Einrichtung, Verfahren und Computerprogramm zur kryptographischen Verarbeitung
US20050089190A1 (en) * 2003-10-23 2005-04-28 Eyal Shavit Recording content distribution information into an adjunct to content
WO2005041000A1 (en) * 2003-10-23 2005-05-06 Koninklijke Philips Electronics N.V. Method for protecting information carrier comprising an integrated circuit
FR2861474B1 (fr) * 2003-10-24 2007-04-27 Atmel Corp Procede et appareil pour une periode de traitement variable dans un circuit integre
US20050114850A1 (en) 2003-10-29 2005-05-26 Saurabh Chheda Energy-focused re-compilation of executables and hardware mechanisms based on compiler-architecture interaction and compiler-inserted control
US7996671B2 (en) 2003-11-17 2011-08-09 Bluerisc Inc. Security of program executables and microprocessors based on compiler-architecture interaction
DE10360343A1 (de) * 2003-12-22 2005-07-28 Giesecke & Devrient Gmbh Tragbarer Datenträger
US8607209B2 (en) 2004-02-04 2013-12-10 Bluerisc Inc. Energy-focused compiler-assisted branch prediction
JP4514473B2 (ja) * 2004-02-23 2010-07-28 富士通株式会社 コンピュータシステム、中央装置及びプログラム実行方法
JP4674440B2 (ja) * 2004-03-04 2011-04-20 ソニー株式会社 データ処理回路
US7543158B2 (en) * 2004-03-23 2009-06-02 Texas Instruments Incorporated Hybrid cryptographic accelerator and method of operation thereof
FR2869486B1 (fr) * 2004-04-21 2007-08-31 Oberthur Card Syst Sa Procede de traitement de donnees securise et dispositif associe
EP1750388A4 (de) * 2004-05-24 2013-10-30 Nippon Telegraph & Telephone Einrichtung und verfahren zur verhinderung von informationslecks
US7657033B2 (en) * 2004-12-10 2010-02-02 Fiske Software Llc Cryptography related to keys
EP1831812A1 (de) 2004-12-20 2007-09-12 Philips Intellectual Property & Standards GmbH Datenverarbeitungsvorrichtung und verfahren für den betrieb einer derartigen datenverarbeitungsvorrichtung
WO2006066999A2 (en) 2004-12-22 2006-06-29 International Business Machines Corporation Method, system and computer program product for handling data
JP4714482B2 (ja) * 2005-02-28 2011-06-29 株式会社日立製作所 暗号通信システムおよび方法
US20070019805A1 (en) * 2005-06-28 2007-01-25 Trustees Of Boston University System employing systematic robust error detection coding to protect system element against errors with unknown probability distributions
FR2889349A1 (fr) * 2005-07-26 2007-02-02 St Microelectronics Sa Procede et dispositif de securisation d'un circuit integre, notamment une carte a microprocesseur
DE102005044115A1 (de) 2005-08-01 2007-02-15 IHP GmbH - Innovations for High Performance Microelectronics/Institut für innovative Mikroelektronik GALS-Schaltung und Verfahren zum Betrieb einer GALS-Schaltung
US8874477B2 (en) 2005-10-04 2014-10-28 Steven Mark Hoffberg Multifactorial optimization system and method
US20100046755A1 (en) * 2005-12-07 2010-02-25 Fiske Software Llc Cryptography related to keys with signature
WO2007088796A1 (en) * 2006-01-31 2007-08-09 Semiconductor Energy Laboratory Co., Ltd. Semiconductor device
FR2897216B1 (fr) * 2006-02-08 2008-05-02 Sagem Defense Securite Protection d'un algorithme cryptographique
US8589695B2 (en) * 2006-06-07 2013-11-19 Red Hat, Inc. Methods and systems for entropy collection for server-side key generation
ATE440336T1 (de) * 2006-06-29 2009-09-15 Incard Sa Verfahren zum schutz von ic-karten vor leistungsanalyse-attacken
FR2903508B1 (fr) * 2006-07-10 2008-10-17 Sagem Defense Securite Protection d'un programme interprete par une machine virtuelle
WO2008013083A1 (en) * 2006-07-25 2008-01-31 Nec Corporation Pseudo random number generator, stream encrypting device, and program
US8301890B2 (en) * 2006-08-10 2012-10-30 Inside Secure Software execution randomization
US7613907B2 (en) * 2006-08-11 2009-11-03 Atmel Corporation Embedded software camouflage against code reverse engineering
US7984301B2 (en) * 2006-08-17 2011-07-19 Inside Contactless S.A. Bi-processor architecture for secure systems
US7554865B2 (en) * 2006-09-21 2009-06-30 Atmel Corporation Randomizing current consumption in memory devices
US20080126766A1 (en) 2006-11-03 2008-05-29 Saurabh Chheda Securing microprocessors against information leakage and physical tampering
KR100909364B1 (ko) * 2007-02-06 2009-07-24 삼성전자주식회사 시스템 클록의 노출을 차단하는 메모리 컨트롤러와 그 방법
US7936871B2 (en) * 2007-06-28 2011-05-03 Samsung Electronics Co., Ltd. Altering the size of windows in public key cryptographic computations
US7974409B2 (en) * 2007-06-28 2011-07-05 Samsung Electronics Co., Ltd. Changing the order of public key cryptographic computations
FR2932336B1 (fr) 2008-06-06 2010-06-18 Tiempo Circuit asynchrone insensible aux delais avec circuit d'insertion de delai
BRPI0916687B1 (pt) * 2008-08-19 2020-09-29 Nxp B.V. Método para gerar um código de autenticação de mensagem baseado em cifra
EP2290872B1 (de) 2009-08-27 2014-06-18 Nxp B.V. Vorrichtung zur Erzeugung eines Nachrichtenauthentifizierungscodes zur Authentifizierung einer Nachricht
EP2293185A1 (de) * 2009-09-04 2011-03-09 Thomson Licensing Gegen Übersprungangriffe gesichertes Exponentiationsverfahren und Vorrichtung zum Durchführen des Verfahrens
US8386800B2 (en) 2009-12-04 2013-02-26 Cryptography Research, Inc. Verifiable, leak-resistant encryption and decryption
US9213835B2 (en) 2010-04-07 2015-12-15 Xilinx, Inc. Method and integrated circuit for secure encryption and decryption
US8522052B1 (en) 2010-04-07 2013-08-27 Xilinx, Inc. Method and integrated circuit for secure encryption and decryption
GB2479871A (en) * 2010-04-26 2011-11-02 David Coyne System for preventing side channel attacks on a synchronous logic device.
US8427194B2 (en) 2010-05-24 2013-04-23 Alexander Roger Deas Logic system with resistance to side-channel attack by exhibiting a closed clock-data eye diagram
US8539254B1 (en) 2010-06-01 2013-09-17 Xilinx, Inc. Method and integrated circuit for protecting against differential power analysis attacks
US8966253B1 (en) 2010-06-01 2015-02-24 Xilinx, Inc. Method and apparatus for authenticating a programmable device bitstream
DE102010029735A1 (de) 2010-06-07 2011-12-08 Robert Bosch Gmbh Verfahren zum Generieren eines Bitvektors
US8379847B2 (en) 2010-06-30 2013-02-19 International Business Machines Corporation Data and control encryption
US8583944B1 (en) 2010-08-04 2013-11-12 Xilinx, Inc. Method and integrated circuit for secure encryption and decryption
US8832462B2 (en) 2010-09-08 2014-09-09 Xilinx, Inc. Protecting against differential power analysis attacks on sensitive data
US8650408B2 (en) 2010-09-08 2014-02-11 Xilinx, Inc. Protecting against differential power analysis attacks on decryption keys
US10268843B2 (en) 2011-12-06 2019-04-23 AEMEA Inc. Non-deterministic secure active element machine
GB2487901B (en) * 2011-02-03 2019-12-04 Advanced Risc Mach Ltd Power signature obfuscation
US20140013438A1 (en) * 2011-03-23 2014-01-09 Nec Corporation Permit issuance apparatus and permit issuance method
US8909941B1 (en) 2011-03-31 2014-12-09 Xilinx, Inc. Programmable integrated circuit and a method of enabling the detection of tampering with data provided to a programmable integrated circuit
US8958550B2 (en) * 2011-09-13 2015-02-17 Combined Conditional Access Development & Support. LLC (CCAD) Encryption operation with real data rounds, dummy data rounds, and delay periods
US9525551B1 (en) * 2011-09-29 2016-12-20 EMC IP Holding Company LLC Randomly skewing secret values as a countermeasure to compromise
US8627131B2 (en) 2011-10-27 2014-01-07 Certicom Corp. Hardware countermeasure against cryptographic attack
US8635467B2 (en) 2011-10-27 2014-01-21 Certicom Corp. Integrated circuit with logic circuitry and multiple concealing circuits
US8334705B1 (en) 2011-10-27 2012-12-18 Certicom Corp. Analog circuitry to conceal activity of logic circuitry
US9503255B2 (en) 2012-10-17 2016-11-22 Synopsys, Inc. Cryptographic sequencing system and method
TWI517655B (zh) * 2013-05-23 2016-01-11 晨星半導體股份有限公司 密碼裝置以及密鑰保護方法
US9009495B2 (en) 2013-06-28 2015-04-14 Envieta, LLC High speed cryptographic combining system, and method for programmable logic devices
US10403173B2 (en) 2013-08-13 2019-09-03 Fiske Software, Llc NADO cryptography using one-way functions
EP3032416A1 (de) * 2014-12-10 2016-06-15 Gemalto SA Verfahren zum Ausführen einer empfindlichen Berechnung mit mehreren Verschiedenen und unabhängigen Zweigen
US10181944B2 (en) 2015-06-16 2019-01-15 The Athena Group, Inc. Minimizing information leakage during modular exponentiation and elliptic curve point multiplication
US9985632B2 (en) 2015-06-16 2018-05-29 The Athena Group, Inc. Minimizing information leakage from combinatorial logic
CN105024811B (zh) * 2015-07-06 2018-07-13 上海大学 一种针对公钥密码ECC的Shor量子攻击方法
US10489611B2 (en) * 2015-08-26 2019-11-26 Rambus Inc. Low overhead random pre-charge countermeasure for side-channel attacks
EP3147774A1 (de) * 2015-09-25 2017-03-29 Gemalto Sa Zufallsgenerator für uhr
EP3214566B1 (de) 2016-03-01 2018-09-12 Siemens Aktiengesellschaft Verhinderung von seitenkanalangriffen auf einer cpu
US10380341B2 (en) 2016-04-01 2019-08-13 Qualcomm Incorporated Adaptive systems and procedures for defending a processor against transient fault attacks
US10255462B2 (en) 2016-06-17 2019-04-09 Arm Limited Apparatus and method for obfuscating power consumption of a processor
US10771235B2 (en) 2016-09-01 2020-09-08 Cryptography Research Inc. Protecting block cipher computation operations from external monitoring attacks
US10461925B2 (en) 2016-09-01 2019-10-29 Cryptography Research, Inc. Hardware masked substitution box for the data encryption standard
FR3061580A1 (fr) * 2017-01-03 2018-07-06 Stmicroelectronics (Rousset) Sas Procede et dispositif de gestion de la consommation en courant d'un module integre.
US10387687B2 (en) 2017-04-07 2019-08-20 Nxp B.V. Method for symbolic execution on constrained devices
FR3065556B1 (fr) 2017-04-19 2020-11-06 Tiempo Circuit electronique securise par perturbation de son alimentation.
US10924261B2 (en) 2017-05-22 2021-02-16 Arm Limited Efficient power distribution
US10997322B2 (en) 2017-05-22 2021-05-04 Arm Limited Efficient power distribution
GB2564878B (en) * 2017-07-25 2020-02-26 Advanced Risc Mach Ltd Parallel processing of fetch blocks of data
US10824718B2 (en) 2018-07-05 2020-11-03 Nxp B.V. Shuffling mechanism for shuffling an order of data blocks in a data processing system
US10887100B2 (en) * 2018-11-09 2021-01-05 Ares Technologies, Inc. Systems and methods for distributed key storage
US11500988B2 (en) 2019-03-08 2022-11-15 International Business Machines Corporation Binding secure keys of secure guests to a hardware security module
EP3767849A1 (de) * 2019-07-18 2021-01-20 Nagravision SA Hardware-komponente und verfahren zur implementierung einer verdeckung von durch ein digitales system erzeugten stromspuren
US11475167B2 (en) 2020-01-29 2022-10-18 International Business Machines Corporation Reserving one or more security modules for a secure guest
US11394308B1 (en) 2021-05-05 2022-07-19 Arm Limited Apparatuses and methods for power isolation

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4200770A (en) 1977-09-06 1980-04-29 Stanford University Cryptographic apparatus and method
US4405829A (en) 1977-12-14 1983-09-20 Massachusetts Institute Of Technology Cryptographic communications system and method
US4759063A (en) 1983-08-22 1988-07-19 Chaum David L Blind signature systems
JPH01114995A (ja) 1987-10-29 1989-05-08 Toppan Printing Co Ltd Ｉｃカード
JPH022475A (ja) 1988-06-15 1990-01-08 Omron Tateisi Electron Co Ｉｃカード
US4905176A (en) * 1988-10-28 1990-02-27 International Business Machines Corporation Random number generator circuit
CA2162125C (en) * 1993-05-05 2005-09-20 Sagetech Inc. A repertoire of mappings for a cryptosystem
US5404402A (en) 1993-12-21 1995-04-04 Gi Corporation Clock frequency modulation for secure microprocessors
DE19505097C1 (de) * 1995-02-15 1996-06-05 Siemens Ag Verschlüsselungsvorrichtung
IL113375A (en) * 1995-04-13 1997-09-30 Fortress U & T Ltd Internationally regulated system for one to one cryptographic communications with national sovereignty without key escrow
FR2745099B1 (fr) 1996-02-19 1998-03-27 Sgs Thomson Microelectronics Procede de sequencement d'un circuit integre
FR2745924B1 (fr) 1996-03-07 1998-12-11 Bull Cp8 Circuit integre perfectionne et procede d'utilisation d'un tel circuit integre
US6041122A (en) * 1998-02-27 2000-03-21 Intel Corporation Method and apparatus for hiding crytographic keys utilizing autocorrelation timing encoding and computation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9773111B2 (en) 2012-08-14 2017-09-26 Empire Technology Development Llc Software-based side-channel attack prevention

Also Published As

Publication number Publication date
US6327661B1 (en) 2001-12-04
EP2280502A2 (de) 2011-02-02
AU5203899A (en) 1999-12-20
EP1084543A1 (de) 2001-03-21
EP2280502B1 (de) 2018-05-02
DE69938045D1 (de) 2008-03-13
WO1999063696A1 (en) 1999-12-09
EP1084543B1 (de) 2008-01-23
EP1084543A4 (de) 2004-11-17
DE69938045T2 (de) 2009-01-15
EP2280502A3 (de) 2012-06-20

Similar Documents

Publication Publication Date Title
ATE385089T1 (de) Verwendung von unvorhersagbarer information zur leckminimierung von chipkarten und anderen kryptosystemen
ATE429098T1 (de) Auf isogenien basierendes verschlüsselungssystem
TW375721B (en) DES chip processor capable of executing data encryption standard (DES) operation
WO2004038975A3 (en) Efficient encryption and authentication for data processing systems
SE8204697D0 (sv) Rsa krypteringssystem med offentlig nyckel, innefattande mikroprocessor eller liknande for alstrande av stora slumpprimtal
SE9400103D0 (sv) Digital signature algorithm
FR2728981B1 (de)
DE69919513D1 (de) Unterhaltungssystem, aufnahmemedium und unterhaltungsvorrichtung
WO2000015097A3 (en) Methods for using resonant acoustic energy to detect or effect structures
ATE499772T1 (de) Verfahren und vorrichtung zur sicheren kryptographischen schlüsselerzeugung, - zertifizierung und -benutzung
ATE358380T1 (de) Mehrstufiges system und verfahren zur verarbeitung von kodierten nachrichten
ATE441293T1 (de) Bass-management-systeme
CA2344429A1 (en) Device for supplying output data in reaction to input data, method for checking authenticity and method for encrypted data transmission
MY151722A (en) Concept for combining multiple parametrically coded audio sources
ATE83106T1 (de) Einrichtung zur verschluesselung und zur entschluesselung.
DE69733424D1 (de) Datendekorrelationsverfahren
RU2349044C1 (ru) Способ скрытой передачи информации
JO2271B1 (en) A method of encoding a multiple unit of measurement
WO2000028493A8 (en) A method of encryption and apparatus therefor
MY133837A (en) Tone generation device and method, and distribution medium
DE69939696D1 (de) Kryptographisches verfahren zur ausführung einer schnellen ver- oder entschlüsselung und zur erzeugung eines mac-signals
MXPA02001849A (es) Metodo de encriptacion multi-modulos.
DE60014925D1 (de) Vorrichtung zur signalverarbeitung
DE69526412D1 (de) Einheit zur erzeugung von signalpulsen, sowie sender und übertragungssystem damit
GB0522093D0 (en) Method and device using one-time pad data

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties