DE602005017485D1 - Verfahren zum schutz einer kryptographischen einheit mittels homographischer maskierung - Google Patents

Verfahren zum schutz einer kryptographischen einheit mittels homographischer maskierung

Info

Publication number
DE602005017485D1
DE602005017485D1 DE602005017485T DE602005017485T DE602005017485D1 DE 602005017485 D1 DE602005017485 D1 DE 602005017485D1 DE 602005017485 T DE602005017485 T DE 602005017485T DE 602005017485 T DE602005017485 T DE 602005017485T DE 602005017485 D1 DE602005017485 D1 DE 602005017485D1
Authority
DE
Germany
Prior art keywords
homographic
masking
calculation process
protection
cryptographic
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.)
Active
Application number
DE602005017485T
Other languages
English (en)
Inventor
N Courtois
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.)
Thales DIS France SA
Original Assignee
Gemalto SA
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 Gemalto SA filed Critical Gemalto SA
Publication of DE602005017485D1 publication Critical patent/DE602005017485D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04L9/06—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
    • H04L9/0631—Substitution permutation network [SPN], i.e. cipher composed of a number of stages or rounds each involving linear and nonlinear transformations, e.g. AES algorithms
    • 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
    • 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]
    • 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
    • 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
    • H04L2209/046—Masking or blinding of operations, operands or results of the operations

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Computational Mathematics (AREA)
  • Signal Processing (AREA)
  • Mathematical Analysis (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Storage Device Security (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Facsimile Transmission Control (AREA)
  • Record Information Processing For Printing (AREA)
DE602005017485T 2004-05-11 2005-05-11 Verfahren zum schutz einer kryptographischen einheit mittels homographischer maskierung Active DE602005017485D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP04291204A EP1596278A1 (de) 2004-05-11 2004-05-11 Verfahren zum Schutz einer kryptographischen Einheit mittels homographischer Maskierung
PCT/IB2005/001409 WO2005109183A1 (fr) 2004-05-11 2005-05-11 Procede de protection d’un ensemble cryptographique par masquage homographique

Publications (1)

Publication Number Publication Date
DE602005017485D1 true DE602005017485D1 (de) 2009-12-17

Family

ID=34931091

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005017485T Active DE602005017485D1 (de) 2004-05-11 2005-05-11 Verfahren zum schutz einer kryptographischen einheit mittels homographischer maskierung

Country Status (6)

Country Link
US (1) US8074076B2 (de)
EP (2) EP1596278A1 (de)
JP (1) JP4668985B2 (de)
AT (1) ATE447737T1 (de)
DE (1) DE602005017485D1 (de)
WO (1) WO2005109183A1 (de)

Families Citing this family (15)

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Publication number Priority date Publication date Assignee Title
US8352400B2 (en) 1991-12-23 2013-01-08 Hoffberg Steven M Adaptive pattern recognition based controller apparatus and method and human-factored interface therefore
US8574074B2 (en) 2005-09-30 2013-11-05 Sony Computer Entertainment America Llc Advertising impression determination
US7966078B2 (en) 1999-02-01 2011-06-21 Steven Hoffberg Network media appliance system and method
US8751310B2 (en) 2005-09-30 2014-06-10 Sony Computer Entertainment America Llc Monitoring advertisement impressions
US8763157B2 (en) 2004-08-23 2014-06-24 Sony Computer Entertainment America Llc Statutory license restricted digital media playback on portable devices
US8626584B2 (en) 2005-09-30 2014-01-07 Sony Computer Entertainment America Llc Population of an advertisement reference list
US10657538B2 (en) 2005-10-25 2020-05-19 Sony Interactive Entertainment LLC Resolution of advertising rules
US20070118425A1 (en) 2005-10-25 2007-05-24 Podbridge, Inc. User device agent for asynchronous advertising in time and space shifted media network
US8676900B2 (en) 2005-10-25 2014-03-18 Sony Computer Entertainment America Llc Asynchronous advertising placement based on metadata
EP2018728A4 (de) 2006-05-05 2011-07-06 Sony Comp Entertainment Us Werbeanzeigenrotation
US8265273B2 (en) 2007-05-30 2012-09-11 Panasonic Corporation Encryption device using mask value to convert plain text into encrypted text
US8769558B2 (en) 2008-02-12 2014-07-01 Sony Computer Entertainment America Llc Discovery and analytics for episodic downloaded media
FR2941343B1 (fr) * 2009-01-20 2011-04-08 Groupe Des Ecoles De Telecommunications Get Ecole Nat Superieure Des Telecommunications Enst Circuit de cryptographie, protege notamment contre les attaques par observation de fuites d'information par leur chiffrement.
US8763090B2 (en) 2009-08-11 2014-06-24 Sony Computer Entertainment America Llc Management of ancillary content delivery and presentation
US8731199B2 (en) * 2012-09-28 2014-05-20 Sap Ag Zero knowledge proofs for arbitrary predicates over data

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4559320A (en) * 1984-05-04 1985-12-17 Phillips Petroleum Company Catalysts for olefin conversions
US5120894A (en) * 1988-09-19 1992-06-09 Lyondell Petrochemical Company Olefin conversion process
US5300718A (en) * 1988-09-19 1994-04-05 Lyondell Petrochemical Company Olefin conversion process
FI86298C (fi) * 1990-12-05 1992-08-10 Neste Oy Metatesprocess foer olefiner och katalysator foer tillaempning av denna.
JP2002519722A (ja) * 1998-06-03 2002-07-02 クリプターグラフィー リサーチ インコーポレイテッド スマートカードおよび他の暗号システム用の、漏洩を最小に抑える、改良ｄｅｓおよび他の暗号プロセス
AU4925799A (en) * 1998-09-04 2000-03-27 Sasol Technology (Proprietary) Limited Production of propylene
FR2789072B1 (fr) * 1999-01-29 2001-04-13 Inst Francais Du Petrole Procede de metathese des olefines en presence d'un agent stabilisant du catalyseur
US6295606B1 (en) * 1999-07-26 2001-09-25 Motorola, Inc. Method and apparatus for preventing information leakage attacks on a microelectronic assembly
CN1413398A (zh) * 1999-10-25 2003-04-23 塞弗曼克斯顾问有限公司 防止通过分析无意旁生信道信号来提取数据的数据处理方法
JP4596686B2 (ja) * 2001-06-13 2010-12-08 富士通株式会社 Ｄｐａに対して安全な暗号化
US7379548B2 (en) * 2003-01-31 2008-05-27 Nds Limited Virtual smart card device, method and system
FR2853175B1 (fr) * 2003-03-28 2005-06-17 Everbee Networks Procede et systeme de cryptage
US6977318B2 (en) * 2004-05-04 2005-12-20 Equistar Chemicals, Lp Propylene production
US7220886B2 (en) * 2004-10-27 2007-05-22 Catalytic Distillation Technologies Olefin metathesis
US8178737B2 (en) * 2007-06-14 2012-05-15 Lyondell Chemical Technology, L.P. Propylene production

Also Published As

Publication number Publication date
ATE447737T1 (de) 2009-11-15
WO2005109183A1 (fr) 2005-11-17
US20080022126A1 (en) 2008-01-24
US8074076B2 (en) 2011-12-06
JP4668985B2 (ja) 2011-04-13
JP2007537474A (ja) 2007-12-20
EP1596278A1 (de) 2005-11-16
EP1745366A1 (de) 2007-01-24
EP1745366B1 (de) 2009-11-04

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