FR2881900B1 - Procede de cryptographie de messages a cle privee, et application a une installation - Google Patents

Procede de cryptographie de messages a cle privee, et application a une installation

Info

Publication number
FR2881900B1
FR2881900B1 FR0501310A FR0501310A FR2881900B1 FR 2881900 B1 FR2881900 B1 FR 2881900B1 FR 0501310 A FR0501310 A FR 0501310A FR 0501310 A FR0501310 A FR 0501310A FR 2881900 B1 FR2881900 B1 FR 2881900B1
Authority
FR
France
Prior art keywords
block
private key
key
cryptography
facility
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 - Fee Related
Application number
FR0501310A
Other languages
English (en)
Other versions
FR2881900A1 (fr
Inventor
Patricia Etienne
Roger Suanez
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.)
Algoril Holding SA
Original Assignee
Algoril Holding 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 Algoril Holding SA filed Critical Algoril Holding SA
Priority to FR0501310A priority Critical patent/FR2881900B1/fr
Priority to EP06709284A priority patent/EP1847061A1/fr
Priority to PCT/FR2006/000298 priority patent/WO2006085000A1/fr
Priority to US11/795,691 priority patent/US20080130876A1/en
Publication of FR2881900A1 publication Critical patent/FR2881900A1/fr
Application granted granted Critical
Publication of FR2881900B1 publication Critical patent/FR2881900B1/fr
Expired - Fee Related 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
    • H04L9/14—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or algorithms
    • 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
    • H04L2209/24—Key scheduling, i.e. generating round keys or sub-keys for block encryption

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
FR0501310A 2005-02-09 2005-02-09 Procede de cryptographie de messages a cle privee, et application a une installation Expired - Fee Related FR2881900B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR0501310A FR2881900B1 (fr) 2005-02-09 2005-02-09 Procede de cryptographie de messages a cle privee, et application a une installation
EP06709284A EP1847061A1 (fr) 2005-02-09 2006-02-09 Procede de cryptographie de messages a cle privee, et application a une installation
PCT/FR2006/000298 WO2006085000A1 (fr) 2005-02-09 2006-02-09 Procede de cryptographie de messages a cle privee, et application a une installation
US11/795,691 US20080130876A1 (en) 2005-02-09 2006-02-09 Method for Private-Key Encryption of Messages, and Application to an Installation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0501310A FR2881900B1 (fr) 2005-02-09 2005-02-09 Procede de cryptographie de messages a cle privee, et application a une installation

Publications (2)

Publication Number Publication Date
FR2881900A1 FR2881900A1 (fr) 2006-08-11
FR2881900B1 true FR2881900B1 (fr) 2007-04-27

Family

ID=34993219

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0501310A Expired - Fee Related FR2881900B1 (fr) 2005-02-09 2005-02-09 Procede de cryptographie de messages a cle privee, et application a une installation

Country Status (4)

Country Link
US (1) US20080130876A1 (fr)
EP (1) EP1847061A1 (fr)
FR (1) FR2881900B1 (fr)
WO (1) WO2006085000A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7925009B2 (en) * 2007-05-25 2011-04-12 Red Hat, Inc. Hybrid data encryption
US8781117B2 (en) * 2007-08-29 2014-07-15 Red Hat, Inc. Generating pseudo random bits from polynomials
US8265272B2 (en) * 2007-08-29 2012-09-11 Red Hat, Inc. Method and an apparatus to generate pseudo random bits for a cryptographic key
US8416947B2 (en) * 2008-02-21 2013-04-09 Red Hat, Inc. Block cipher using multiplication over a finite field of even characteristic
US7945049B2 (en) * 2008-02-28 2011-05-17 Red Hat, Inc. Stream cipher using multiplication over a finite field of even characteristic
US8560587B2 (en) * 2008-05-22 2013-10-15 Red Hat, Inc. Non-linear mixing of pseudo-random number generator output
US8588412B2 (en) 2008-05-23 2013-11-19 Red Hat, Inc. Mechanism for generating pseudorandom number sequences
US8358781B2 (en) * 2008-11-30 2013-01-22 Red Hat, Inc. Nonlinear feedback mode for block ciphers
US20120079281A1 (en) * 2010-06-28 2012-03-29 Lionstone Capital Corporation Systems and methods for diversification of encryption algorithms and obfuscation symbols, symbol spaces and/or schemas
US9600808B1 (en) 2011-06-24 2017-03-21 Epic One Texas, Llc Secure payment card, method and system
CN103312522A (zh) * 2013-06-24 2013-09-18 上海讯联数据服务有限公司 一种基于支付终端全报文加密的数据安全传输控制方法
CN105812131B (zh) * 2014-12-30 2019-12-20 大唐高鸿信息通信研究院（义乌）有限公司 基于车载短距离通信网的车载节点证书更新方法
EP4018595A1 (fr) * 2019-09-13 2022-06-29 Dencrypt A/S Procédés et dispositifs pour une communication de données sécurisée

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5870470A (en) * 1996-02-20 1999-02-09 International Business Machines Corporation Method and apparatus for encrypting long blocks using a short-block encryption procedure
US6442276B1 (en) * 1997-07-21 2002-08-27 Assure Systems, Inc. Verification of authenticity of goods by use of random numbers
US6259789B1 (en) * 1997-12-12 2001-07-10 Safecourier Software, Inc. Computer implemented secret object key block cipher encryption and digital signature device and method
US6820203B1 (en) * 1999-04-07 2004-11-16 Sony Corporation Security unit for use in memory card
WO2002025866A2 (fr) * 2000-09-18 2002-03-28 At & T Corp. Appareil, systeme et procede permettant de valider l'integrite de donnees transmises
FR2819068B1 (fr) * 2000-12-28 2005-08-26 Patricia Etienne Dispositif et procede de protection de documents ou de verification de l'authenticite d'un document, par utilisation d'une information chiffree elaboree par le procede, et documents proteges par ladite information
EP1237327A3 (fr) * 2001-03-01 2003-07-02 NTT Data Technology Corporation Procédé et dispositif pour l'authentification individuelle et la signature numérique utilisant un dispositif comportant une marque d'identification basée sur un code ADN
US8543411B2 (en) * 2003-11-05 2013-09-24 United Parcel Service Of America, Inc. Systems and methods for detecting counterfeit pharmaceutical drugs at the point of retail sale
US7697681B2 (en) * 2004-02-06 2010-04-13 Nortel Networks Limited Parallelizable integrity-aware encryption technique

Also Published As

Publication number Publication date
WO2006085000A1 (fr) 2006-08-17
FR2881900A1 (fr) 2006-08-11
EP1847061A1 (fr) 2007-10-24
US20080130876A1 (en) 2008-06-05

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20121031