FR2949887B1 - Procede de traitement cryptographique de donnees - Google Patents

Procede de traitement cryptographique de donnees

Info

Publication number
FR2949887B1
FR2949887B1 FR0956053A FR0956053A FR2949887B1 FR 2949887 B1 FR2949887 B1 FR 2949887B1 FR 0956053 A FR0956053 A FR 0956053A FR 0956053 A FR0956053 A FR 0956053A FR 2949887 B1 FR2949887 B1 FR 2949887B1
Authority
FR
France
Prior art keywords
data processing
cryptographic data
cryptographic
processing
data
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
FR0956053A
Other languages
English (en)
Other versions
FR2949887A1 (fr
Inventor
Emmanuel Prouff
Robert Mcevoy
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.)
Idemia France SAS
Original Assignee
Oberthur Technologies 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 Oberthur Technologies SA filed Critical Oberthur Technologies SA
Priority to FR0956053A priority Critical patent/FR2949887B1/fr
Priority to EP10165439.0A priority patent/EP2293488B1/fr
Publication of FR2949887A1 publication Critical patent/FR2949887A1/fr
Application granted granted Critical
Publication of FR2949887B1 publication Critical patent/FR2949887B1/fr
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
    • 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]
FR0956053A 2009-09-04 2009-09-04 Procede de traitement cryptographique de donnees Active FR2949887B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0956053A FR2949887B1 (fr) 2009-09-04 2009-09-04 Procede de traitement cryptographique de donnees
EP10165439.0A EP2293488B1 (fr) 2009-09-04 2010-06-09 Procede de traitement cryptographique de donnees

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0956053A FR2949887B1 (fr) 2009-09-04 2009-09-04 Procede de traitement cryptographique de donnees

Publications (2)

Publication Number Publication Date
FR2949887A1 FR2949887A1 (fr) 2011-03-11
FR2949887B1 true FR2949887B1 (fr) 2013-02-08

Family

ID=42237002

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0956053A Active FR2949887B1 (fr) 2009-09-04 2009-09-04 Procede de traitement cryptographique de donnees

Country Status (2)

Country Link
EP (1) EP2293488B1 (fr)
FR (1) FR2949887B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150222421A1 (en) * 2014-02-03 2015-08-06 Qualcomm Incorporated Countermeasures against side-channel attacks on cryptographic algorithms

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
KR100889465B1 (ko) * 2000-07-04 2009-03-20 코닌클리케 필립스 일렉트로닉스 엔.브이. 대칭-키 암호들을 위한 치환-박스

Also Published As

Publication number Publication date
EP2293488A1 (fr) 2011-03-09
EP2293488B1 (fr) 2021-01-13
FR2949887A1 (fr) 2011-03-11

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