DE69942094D1 - Taktangriffresistentes kryptographisches system - Google Patents

Taktangriffresistentes kryptographisches system

Info

Publication number
DE69942094D1
DE69942094D1 DE69942094T DE69942094T DE69942094D1 DE 69942094 D1 DE69942094 D1 DE 69942094D1 DE 69942094 T DE69942094 T DE 69942094T DE 69942094 T DE69942094 T DE 69942094T DE 69942094 D1 DE69942094 D1 DE 69942094D1
Authority
DE
Germany
Prior art keywords
group
intermediate element
replacing
bits
bit
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69942094T
Other languages
English (en)
Inventor
Ashok Vadekar
Robert J Lambert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Certicom Corp
Original Assignee
Certicom Corp
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
Application filed by Certicom Corp filed Critical Certicom Corp
Application granted granted Critical
Publication of DE69942094D1 publication Critical patent/DE69942094D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/30003Arrangements for executing specific machine instructions
    • G06F9/3005Arrangements for executing specific machine instructions to perform operations for flow control
    • G06F9/30058Conditional branch instructions
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/60Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers
    • G06F7/72Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers using residue arithmetic
    • G06F7/724Finite field arithmetic
    • G06F7/725Finite field arithmetic over elliptic curves
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/002Countermeasures against attacks on cryptographic mechanisms
    • H04L9/005Countermeasures against attacks on cryptographic mechanisms for timing attacks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/30Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
    • H04L9/3066Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving algebraic varieties, e.g. elliptic or hyper-elliptic curves
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC 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
    • G06F2207/72Indexing scheme relating to groups G06F7/72 - G06F7/729
    • G06F2207/7219Countermeasures against side channel or fault attacks
    • G06F2207/7261Uniform execution, e.g. avoiding jumps, or using formulae with the same power profile
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/4824Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices using signed-digit representation

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • General Engineering & Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Software Systems (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computing Systems (AREA)
  • Mathematical Physics (AREA)
  • Algebra (AREA)
  • Complex Calculations (AREA)
  • Storage Device Security (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Traffic Control Systems (AREA)
  • Lock And Its Accessories (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
DE69942094T 1998-07-21 1999-07-21 Taktangriffresistentes kryptographisches system Expired - Lifetime DE69942094D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA002243761A CA2243761C (en) 1998-07-21 1998-07-21 Timing attack resistant cryptographic system
PCT/CA1999/000658 WO2000005837A1 (en) 1998-07-21 1999-07-21 Timing attack resistant cryptographic system

Publications (1)

Publication Number Publication Date
DE69942094D1 true DE69942094D1 (de) 2010-04-15

Family

ID=4162681

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69942094T Expired - Lifetime DE69942094D1 (de) 1998-07-21 1999-07-21 Taktangriffresistentes kryptographisches system

Country Status (8)

Country Link
US (1) US7020281B2 (de)
EP (1) EP1097541B1 (de)
JP (1) JP4699610B2 (de)
AT (1) ATE460027T1 (de)
AU (1) AU4891799A (de)
CA (1) CA2243761C (de)
DE (1) DE69942094D1 (de)
WO (1) WO2000005837A1 (de)

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CA2252078C (en) * 1998-10-28 2009-02-17 Certicom Corp. Power signature attack resistant cryptographic system
US6948065B2 (en) 2000-12-27 2005-09-20 Intel Corporation Platform and method for securely transmitting an authorization secret
DE10122504A1 (de) * 2001-05-10 2003-01-02 Giesecke & Devrient Gmbh Berechnung eines Vielfachen eines Gruppenelements für kryptographische Zwecke
US7233663B2 (en) * 2001-10-29 2007-06-19 Safenet, Inc. Key generation performance improvement
FR2838210B1 (fr) * 2002-04-03 2005-11-04 Gemplus Card Int Procede cryptographique protege contre les attaques de type a canal cache
DE10254658A1 (de) * 2002-11-22 2004-06-03 Philips Intellectual Property & Standards Gmbh Mikrocontroller und zugeordnetes Verfahren zum Abarbeiten der Programmierung des Mikrocontrollers
US7555122B2 (en) 2002-12-04 2009-06-30 Wired Communications LLC Method for elliptic curve point multiplication
GB2406684B (en) * 2002-12-12 2005-08-24 Advanced Risc Mach Ltd Processing activity masking in a data processing system
US7302056B2 (en) * 2003-06-30 2007-11-27 Lucent Technologies Inc. Method and system for determining sequence parameters to limit cycle attacks in timed release cryptography
ATE472133T1 (de) * 2006-04-06 2010-07-15 Nxp Bv Entschlüsselungsverfahren
KR100867989B1 (ko) 2006-12-06 2008-11-10 한국전자통신연구원 단순전력분석에 안전한 Left-to-Right방향으로 리코딩과 스칼라 곱셈을 동시에 수행하는 스칼라곱셈 방법
US7991162B2 (en) * 2007-09-14 2011-08-02 University Of Ottawa Accelerating scalar multiplication on elliptic curve cryptosystems over prime fields
US20140314229A1 (en) 2011-12-09 2014-10-23 Morpho Cryptography on a simplified elliptical curve
FR2946818B1 (fr) * 2009-06-16 2011-07-01 Sagem Securite Cryptographie sur une courbe elliptique simplifiee.
US20170207918A1 (en) 2009-06-16 2017-07-20 Morpho Cryptography on an elliptical curve
FR2946819B1 (fr) * 2009-06-16 2011-07-01 Sagem Securite Cryptographie sur une courbe elliptique.
CA2770104C (en) 2009-08-11 2019-03-19 Opko Curna, Llc Treatment of adiponectin (adipoq) related diseases by inhibition of natural antisense transcript to an adiponectin (adipoq)
GB2479871A (en) * 2010-04-26 2011-11-02 David Coyne System for preventing side channel attacks on a synchronous logic device.
US8334705B1 (en) 2011-10-27 2012-12-18 Certicom Corp. Analog circuitry to conceal activity of logic circuitry
US8635467B2 (en) 2011-10-27 2014-01-21 Certicom Corp. Integrated circuit with logic circuitry and multiple concealing circuits
US9239926B2 (en) 2012-06-29 2016-01-19 International Business Machines Corporation Static analysis for discovery of timing attack vulnerabilities in a computer software application
US9900154B2 (en) * 2013-12-23 2018-02-20 Nxp B.V. Optimized hardward architecture and method for ECC point addition using mixed affine-jacobian coordinates over short weierstrass curves
US9979543B2 (en) 2013-12-23 2018-05-22 Nxp B.V. Optimized hardware architecture and method for ECC point doubling using jacobian coordinates over short weierstrass curves
US9929862B2 (en) 2013-12-23 2018-03-27 Nxp B.V. Optimized hardware architecture and method for ECC point doubling using Jacobian coordinates over short Weierstrass curves
FR3015726B1 (fr) * 2013-12-24 2016-01-08 Morpho Procede de traitement comparatif securise
CN116647318A (zh) * 2022-02-16 2023-08-25 瑞昱半导体股份有限公司 防御密码系统时间攻击的方法及密码系统处理电路

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US5197024A (en) * 1989-06-14 1993-03-23 Pickett Lester C Method and apparatus for exponential/logarithmic computation
US5600324A (en) * 1992-05-11 1997-02-04 Rockwell International Corporation Keyless entry system using a rolling code
DE69326072T2 (de) * 1993-11-02 1999-12-23 Bull Sa Verfahren zur Prüfung eines sequentiellen endlichen Automaten
US5504817A (en) * 1994-05-09 1996-04-02 Yeda Research And Development Co. Ltd. At The Weizmann Institute Of Science Method and apparatus for memory efficient variants of public key encryption and identification schemes for smart card applications
US5553012A (en) * 1995-03-10 1996-09-03 Motorola, Inc. Exponentiation circuit utilizing shift means and method of using same
US5623527A (en) * 1996-01-30 1997-04-22 Hewlett-Packard Company Method and apparatus for determining an integer power of a floating point number
GB9713138D0 (en) * 1997-06-20 1997-08-27 Certicom Corp Accelerated finite field operations on an elliptic curve
US6175850B1 (en) * 1997-02-03 2001-01-16 Nippon Telegraph And Telephone Corporation Scheme for carrying out modular calculations based on redundant binary calculation
US5991415A (en) * 1997-05-12 1999-11-23 Yeda Research And Development Co. Ltd. At The Weizmann Institute Of Science Method and apparatus for protecting public key schemes from timing and fault attacks
US5987131A (en) * 1997-08-18 1999-11-16 Picturetel Corporation Cryptographic key exchange using pre-computation
JP2001505325A (ja) * 1997-09-16 2001-04-17 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ タイミング攻撃を阻止する標準化されたモジュラべき乗を計算することにより復号メカニズムを実行する方法と装置
JP4462511B2 (ja) * 1997-10-10 2010-05-12 サーティコム コーポレーション エルガマル・ライクなプロトコルのためのセッション・パラメータ生成方法
ATE325478T1 (de) * 1998-01-02 2006-06-15 Cryptography Res Inc Leckresistentes kryptographisches verfahren und vorrichtung
US6041122A (en) * 1998-02-27 2000-03-21 Intel Corporation Method and apparatus for hiding crytographic keys utilizing autocorrelation timing encoding and computation
AU2917699A (en) * 1998-03-25 1999-10-18 Certicom Corp. Accelerated finite field operations on an elliptic curve
EP1084543B1 (de) * 1998-06-03 2008-01-23 Cryptography Research Inc. Verwendung von unvorhersagbarer Information zur Leckminimierung von chipkarten und anderen Kryptosystemen
US6298442B1 (en) * 1998-06-03 2001-10-02 Cryptography Research, Inc. Secure modular exponentiation with leak minimization for smartcards and other cryptosystems
CA2334597C (en) * 1998-07-02 2007-09-04 Cryptography Research, Inc. Leak-resistant cryptographic indexed key update

Also Published As

Publication number Publication date
JP2002521724A (ja) 2002-07-16
JP4699610B2 (ja) 2011-06-15
US7020281B2 (en) 2006-03-28
CA2243761C (en) 2009-10-06
AU4891799A (en) 2000-02-14
WO2000005837A1 (en) 2000-02-03
EP1097541B1 (de) 2010-03-03
US20010033655A1 (en) 2001-10-25
CA2243761A1 (en) 2000-01-21
ATE460027T1 (de) 2010-03-15
EP1097541A1 (de) 2001-05-09

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