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

    • 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 OR CALCULATING; 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
    • G06F7/52Multiplying; Dividing
    • G06F7/535Dividing only
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; 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
    • G06F7/721Modular inversion, reciprocal or quotient calculation
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; 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
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; 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
    • G06F7/726Inversion; Reciprocal calculation; Division of elements of a finite field
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/14Network architectures or network communication protocols for network security for detecting or protecting against malicious traffic
    • H04L63/1441Countermeasures against malicious traffic
    • 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
    • H04L9/003Countermeasures against attacks on cryptographic mechanisms for power analysis, e.g. differential power analysis [DPA] or simple power analysis [SPA]
    • 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
    • H04L9/08Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0838Key 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
    • H04L9/0841Key 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
    • H04L9/0844Key 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
    • 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
    • H04L9/32Cryptographic 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
    • H04L9/3247Cryptographic 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
    • H04L9/3252Cryptographic 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
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; 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
    • G06F2207/7223Randomisation as countermeasure against side channel attacks
    • G06F2207/7233Masking, e.g. (A**e)+r mod n
    • G06F2207/7238Operand masking, i.e. message blinding, e.g. (A+r)**e mod n; k.(P+R)
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; 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
    • G06F2207/7223Randomisation as countermeasure against side channel attacks
    • G06F2207/7233Masking, e.g. (A**e)+r mod n
    • G06F2207/7242Exponent masking, i.e. key masking, e.g. A**(e+r) mod n; (k+r).P
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/04Masking or blinding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/08Randomization, e.g. dummy operations or using noise
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/56Financial cryptography, e.g. electronic payment or e-cash
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/80Wireless

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)
  • Transmitters (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (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
AT08733548T ATE527776T1 (de) 2007-03-06 2008-03-06 Verfahren und vorrichtung zur durchführung einer skalarmultiplikation auf einer elliptischen kurve mittels teilung
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

Family Applications Before (2)

Application Number Title Priority Date Filing Date
AT08733546T ATE527778T1 (de) 2007-03-06 2008-03-06 Ganzzahlige division gegen einen leistungsanalyseangriff
AT08733548T ATE527776T1 (de) 2007-03-06 2008-03-06 Verfahren und vorrichtung zur durchführung einer skalarmultiplikation auf einer elliptischen kurve mittels teilung

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT08733550T ATE527777T1 (de) 2007-03-06 2008-03-06 Elliptisches skalarmultiplikationsverfahren gegen leistungsanalyseangriffe

Country Status (4)

Country Link
EP (6) EP2122899B1 (de)
AT (4) ATE527778T1 (de)
CA (6) CA2680050C (de)
WO (6) WO2008106793A1 (de)

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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.
US8775813B2 (en) 2010-02-26 2014-07-08 Certicom Corp. ElGamal signature schemes
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
WO2019034951A1 (en) * 2017-08-15 2019-02-21 nChain Holdings Limited METHOD AND SYSTEM FOR DIGITAL THRESHOLD SIGNATURE
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
US12273446B2 (en) 2022-10-21 2025-04-08 Microsoft Technology Licensing, Llc Simplified masking for signed cryptography operations
EP4723538A1 (de) * 2024-10-01 2026-04-08 Thales Dis France Sas Verfahren zur sicherung von modularen potenzierungs- oder punktmultiplikationsoperationen gegen seitenkanalangriffe

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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
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Also Published As

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

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