ATE527775T1 - Kombination von verschachtelung mit fixsequenzfensterung in einer skalarmultiplikation auf einer elliptischen kurve - Google Patents

Kombination von verschachtelung mit fixsequenzfensterung in einer skalarmultiplikation auf einer elliptischen kurve

Info

Publication number
ATE527775T1
ATE527775T1 AT08733547T AT08733547T ATE527775T1 AT E527775 T1 ATE527775 T1 AT E527775T1 AT 08733547 T AT08733547 T AT 08733547T AT 08733547 T AT08733547 T AT 08733547T AT E527775 T1 ATE527775 T1 AT E527775T1
Authority
AT
Austria
Prior art keywords
nesting
combination
elliptic curve
execution
fixed sequence
Prior art date
Application number
AT08733547T
Other languages
English (en)
Inventor
Nevine Maurice Nassif Ebeid
Original Assignee
Research In Motion Ltd
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
Priority claimed from US12/040,177 external-priority patent/US8391479B2/en
Application filed by Research In Motion Ltd filed Critical Research In Motion Ltd
Application granted granted Critical
Publication of ATE527775T1 publication Critical patent/ATE527775T1/de

Links

Classifications

    • 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
    • H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
    • H04L9/3066—Public 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods 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
    • G06F7/52—Multiplying; Dividing
    • G06F7/535—Dividing only
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/60—Methods 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
    • G06F7/72—Methods 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
    • G06F7/721—Modular inversion, reciprocal or quotient calculation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/60—Methods 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
    • G06F7/72—Methods 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
    • G06F7/724—Finite field arithmetic
    • G06F7/725—Finite field arithmetic over elliptic curves
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/60—Methods 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
    • G06F7/72—Methods 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
    • G06F7/724—Finite field arithmetic
    • G06F7/726—Inversion; Reciprocal calculation; Division of elements of a finite field
    • 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
    • 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
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0838—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these
    • H04L9/0841—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these involving Diffie-Hellman or related key agreement protocols
    • H04L9/0844—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these involving Diffie-Hellman or related key agreement protocols with user authentication or key authentication, e.g. ElGamal, MTI, MQV-Menezes-Qu-Vanstone protocol or Diffie-Hellman protocols using implicitly-certified keys
    • 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
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
    • H04L9/3252—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures using DSA or related signature schemes, e.g. elliptic based signatures, ElGamal or Schnorr schemes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F2207/7223—Randomisation as countermeasure against side channel attacks
    • G06F2207/7233—Masking, e.g. (A**e)+r mod n
    • G06F2207/7238—Operand masking, i.e. message blinding, e.g. (A+r)**e mod n; k.(P+R)
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F2207/7223—Randomisation as countermeasure against side channel attacks
    • G06F2207/7233—Masking, e.g. (A**e)+r mod n
    • G06F2207/7242—Exponent masking, i.e. key masking, e.g. A**(e+r) mod n; (k+r).P
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F2207/7261—Uniform execution, e.g. avoiding jumps, or using formulae with the same power profile
    • 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
    • H04L2209/04—Masking or blinding
    • 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
    • H04L2209/56—Financial cryptography, e.g. electronic payment or e-cash
    • 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
    • H04L2209/80—Wireless

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Computational Mathematics (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • Algebra (AREA)
  • Computer Hardware Design (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Complex Calculations (AREA)
  • Storage Device Security (AREA)
  • Error Detection And Correction (AREA)
  • Control Of Eletrric Generators (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmitters (AREA)
  • Measurement Of Current Or Voltage (AREA)
AT08733547T 2007-03-06 2008-03-06 Kombination von verschachtelung mit fixsequenzfensterung in einer skalarmultiplikation auf einer elliptischen kurve ATE527775T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US89329707P 2007-03-06 2007-03-06
US12/040,177 US8391479B2 (en) 2007-03-07 2008-02-29 Combining interleaving with fixed-sequence windowing in an elliptic curve scalar multiplication
PCT/CA2008/000443 WO2008106791A1 (en) 2007-03-06 2008-03-06 Combining interleaving with fixed-sequence windowing in an elliptic curve scalar multiplication

Publications (1)

Publication Number Publication Date
ATE527775T1 true ATE527775T1 (de) 2011-10-15

Family

ID=41170027

Family Applications (4)

Application Number Title Priority Date Filing Date
AT08733546T ATE527778T1 (de) 2007-03-06 2008-03-06 Ganzzahlige division gegen einen leistungsanalyseangriff
AT08733547T ATE527775T1 (de) 2007-03-06 2008-03-06 Kombination von verschachtelung mit fixsequenzfensterung in einer skalarmultiplikation auf einer elliptischen kurve
AT08733550T ATE527777T1 (de) 2007-03-06 2008-03-06 Elliptisches skalarmultiplikationsverfahren gegen leistungsanalyseangriffe
AT08733548T ATE527776T1 (de) 2007-03-06 2008-03-06 Verfahren und vorrichtung zur durchführung einer skalarmultiplikation auf einer elliptischen kurve mittels teilung

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AT08733546T ATE527778T1 (de) 2007-03-06 2008-03-06 Ganzzahlige division gegen einen leistungsanalyseangriff

Family Applications After (2)

Application Number Title Priority Date Filing Date
AT08733550T ATE527777T1 (de) 2007-03-06 2008-03-06 Elliptisches skalarmultiplikationsverfahren gegen leistungsanalyseangriffe
AT08733548T ATE527776T1 (de) 2007-03-06 2008-03-06 Verfahren und vorrichtung zur durchführung einer skalarmultiplikation auf einer elliptischen kurve mittels teilung

Country Status (4)

Country Link
EP (6) EP2122899B1 (de)
AT (4) ATE527778T1 (de)
CA (6) CA2680048C (de)
WO (6) WO2008106791A1 (de)

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US8775813B2 (en) 2010-02-26 2014-07-08 Certicom Corp. ElGamal signature schemes
EP2378707B1 (de) 2010-02-26 2013-04-24 Certicom Corp. Implementierung von ECDSA-, DSA- und El Gamal-Kryptosystemen, sowie Varianten davon, mit erhöhter Sicherheit gegen Seitenkanalangriffe.
CN102291240B (zh) * 2011-09-01 2013-10-02 清华大学 Sm2签名的认证方法及系统
WO2013187862A1 (en) * 2012-06-11 2013-12-19 Intel Corporation A FAST MECHANISM FOR ACCESSING 2n±1 INTERLEAVED MEMORY SYSTEM
CN104753668B (zh) * 2015-03-19 2018-04-13 成都信息工程学院 一种针对sm4密码线性变换输出的侧信道能量攻击方法
CN106254059B (zh) * 2016-07-26 2020-03-20 华为技术有限公司 一种运算方法和安全芯片
KR102627039B1 (ko) * 2017-08-15 2024-01-19 엔체인 홀딩스 리미티드 임계치 디지털 시그니처 방법 및 시스템
CN109150501A (zh) * 2018-08-30 2019-01-04 汉能移动能源控股集团有限公司 发电量信息校验方法、电费结算方法和装置、介质和设备
EP4027574A1 (de) * 2021-01-11 2022-07-13 Thales DIS France SA Verfahren zur sicherung einer mehrpunkt-multiplikationsoperation gegen seitenkanalangriffe
US20240137216A1 (en) * 2022-10-21 2024-04-25 Microsoft Technology Licensing, Llc Simplified masking for signed cryptography operations

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US6785813B1 (en) * 1997-11-07 2004-08-31 Certicom Corp. Key agreement and transport protocol with implicit signatures
CA2176972C (en) * 1995-05-17 2008-11-25 Scott A. Vanstone Key agreement and transport protocol with implicit signatures
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
US6304658B1 (en) * 1998-01-02 2001-10-16 Cryptography Research, Inc. Leak-resistant cryptographic method and apparatus
CA2235359C (en) * 1998-03-23 2012-04-10 Certicom Corp. Implicit certificate scheme with ca chaining
CA2259089C (en) * 1999-01-15 2013-03-12 Robert J. Lambert Method and apparatus for masking cryptographic operations
US7599491B2 (en) * 1999-01-11 2009-10-06 Certicom Corp. Method for strengthening the implementation of ECDSA against power analysis
US6611597B1 (en) * 1999-01-25 2003-08-26 Matsushita Electric Industrial Co., Ltd. Method and device for constructing elliptic curves
US7200225B1 (en) * 1999-11-12 2007-04-03 Richard Schroeppel Elliptic curve point ambiguity resolution apparatus and method
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Also Published As

Publication number Publication date
CA2680050C (en) 2014-07-22
ATE527777T1 (de) 2011-10-15
EP2122899A4 (de) 2010-11-10
CA2680048C (en) 2014-08-05
EP2119103A4 (de) 2010-10-13
EP2119101B1 (de) 2011-10-05
WO2008106794A1 (en) 2008-09-12
EP2122899B1 (de) 2011-10-05
CA2680056A1 (en) 2008-09-12
CA2680052C (en) 2014-05-20
ATE527778T1 (de) 2011-10-15
CA2680054C (en) 2015-07-07
WO2008106792A1 (en) 2008-09-12
EP2122899A1 (de) 2009-11-25
EP2119103A1 (de) 2009-11-18
WO2008106790A1 (en) 2008-09-12
CA2680052A1 (en) 2008-09-12
EP2119099B1 (de) 2011-10-05
EP2119099A1 (de) 2009-11-18
EP2119104A4 (de) 2010-10-06
WO2008106795A1 (en) 2008-09-12
CA2680048A1 (en) 2008-09-12
EP2119100A1 (de) 2009-11-18
EP2119104A1 (de) 2009-11-18
EP2119100A4 (de) 2010-11-10
CA2680054A1 (en) 2008-09-12
CA2680050A1 (en) 2008-09-12
EP2119100B1 (de) 2011-10-05
EP2119099A4 (de) 2010-12-29
WO2008106793A1 (en) 2008-09-12
EP2119104B1 (de) 2013-08-07
CA2680047A1 (en) 2008-09-12
ATE527776T1 (de) 2011-10-15
WO2008106791A1 (en) 2008-09-12
EP2119101A4 (de) 2010-11-10
CA2680047C (en) 2015-08-11
CA2680056C (en) 2015-06-16
EP2119101A1 (de) 2009-11-18
EP2119103B1 (de) 2013-10-23

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