FR2794592B1 - Generateur de bits pour l'etablissement d'une clef secrete de cryptage et procede correspondant - Google Patents

Generateur de bits pour l'etablissement d'une clef secrete de cryptage et procede correspondant

Info

Publication number
FR2794592B1
FR2794592B1 FR9907084A FR9907084A FR2794592B1 FR 2794592 B1 FR2794592 B1 FR 2794592B1 FR 9907084 A FR9907084 A FR 9907084A FR 9907084 A FR9907084 A FR 9907084A FR 2794592 B1 FR2794592 B1 FR 2794592B1
Authority
FR
France
Prior art keywords
establishing
encryption key
corresponding method
bit generator
secret encryption
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
FR9907084A
Other languages
English (en)
Other versions
FR2794592A1 (fr
Inventor
Michel Feldmann
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.)
Orange SA
Original Assignee
France Telecom 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 France Telecom SA filed Critical France Telecom SA
Priority to FR9907084A priority Critical patent/FR2794592B1/fr
Priority to GB0013168A priority patent/GB2352372B/en
Priority to DE10027386A priority patent/DE10027386A1/de
Priority to US09/585,348 priority patent/US6792109B1/en
Publication of FR2794592A1 publication Critical patent/FR2794592A1/fr
Application granted granted Critical
Publication of FR2794592B1 publication Critical patent/FR2794592B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H04L9/065—Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
    • H04L9/0656—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
    • H04L9/0662—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher with particular pseudorandom sequence generator

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
FR9907084A 1999-06-04 1999-06-04 Generateur de bits pour l'etablissement d'une clef secrete de cryptage et procede correspondant Expired - Fee Related FR2794592B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR9907084A FR2794592B1 (fr) 1999-06-04 1999-06-04 Generateur de bits pour l'etablissement d'une clef secrete de cryptage et procede correspondant
GB0013168A GB2352372B (en) 1999-06-04 2000-06-01 Bit generator for determining a secret encryption key and corresponding process
DE10027386A DE10027386A1 (de) 1999-06-04 2000-06-02 Bitgenerator und Verfahren zur Bildung eines geheimen Verschlüsselungsschlüssel
US09/585,348 US6792109B1 (en) 1999-06-04 2000-06-02 Bit generator for determining a secret encryption key and corresponding process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9907084A FR2794592B1 (fr) 1999-06-04 1999-06-04 Generateur de bits pour l'etablissement d'une clef secrete de cryptage et procede correspondant

Publications (2)

Publication Number Publication Date
FR2794592A1 FR2794592A1 (fr) 2000-12-08
FR2794592B1 true FR2794592B1 (fr) 2001-08-24

Family

ID=9546392

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9907084A Expired - Fee Related FR2794592B1 (fr) 1999-06-04 1999-06-04 Generateur de bits pour l'etablissement d'une clef secrete de cryptage et procede correspondant

Country Status (4)

Country Link
US (1) US6792109B1 (fr)
DE (1) DE10027386A1 (fr)
FR (1) FR2794592B1 (fr)
GB (1) GB2352372B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2794592B1 (fr) * 1999-06-04 2001-08-24 France Telecom Generateur de bits pour l'etablissement d'une clef secrete de cryptage et procede correspondant

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3798359A (en) * 1971-06-30 1974-03-19 Ibm Block cipher cryptographic system
US4195200A (en) * 1976-06-30 1980-03-25 International Business Machines Corporation Key controlled block-cipher cryptographic system employing a multidirectional shift matrix
US5297207A (en) * 1993-05-24 1994-03-22 Degele Steven T Machine generation of cryptographic keys by non-linear processes similar to processes normally associated with encryption of data
NZ336413A (en) * 1993-12-01 2000-01-28 Rpk Nz Ltd Method of generating random numbers by manipulating electronic pointer with coordinates at points corresponding to time instants being used for selection of points subset and computation of number function
US5515307A (en) * 1994-08-04 1996-05-07 Bell Communications Research, Inc. Pseudo-random generator
US5796836A (en) * 1995-04-17 1998-08-18 Secure Computing Corporation Scalable key agile cryptography
JP4064463B2 (ja) * 1996-05-22 2008-03-19 ブリティッシュ・テレコミュニケーションズ・パブリック・リミテッド・カンパニー 偏波に感応しない量子暗号用の方法および装置
US6104811A (en) * 1996-08-16 2000-08-15 Telcordia Technologies, Inc. Cryptographically secure pseudo-random bit generator for fast and secure encryption
US6154541A (en) * 1997-01-14 2000-11-28 Zhang; Jinglong F Method and apparatus for a robust high-speed cryptosystem
AUPO799197A0 (en) * 1997-07-15 1997-08-07 Silverbrook Research Pty Ltd Image processing method and apparatus (ART01)
DE69834431T3 (de) * 1998-01-02 2009-09-10 Cryptography Research Inc., San Francisco Leckresistentes kryptographisches verfahren und vorrichtung
US6154451A (en) * 1998-06-29 2000-11-28 Northrop Grumman Corporation Method for dissemination of multi-sensor products
FR2794592B1 (fr) * 1999-06-04 2001-08-24 France Telecom Generateur de bits pour l'etablissement d'une clef secrete de cryptage et procede correspondant

Also Published As

Publication number Publication date
GB2352372B (en) 2003-10-15
GB0013168D0 (en) 2000-07-19
FR2794592A1 (fr) 2000-12-08
GB2352372A (en) 2001-01-24
US6792109B1 (en) 2004-09-14
DE10027386A1 (de) 2000-12-14

Similar Documents

Publication Publication Date Title
EP1042883A4 (fr) Systeme et procede de gestion de cles de chiffrement
FR2762704B1 (fr) Procede d'adressage pour ecran a plasma base sur une repetition de bits sur une ou plusieurs lignes
HK1053556A1 (en) System and method for processing information using encryption key block
GB9711828D0 (en) Data encryption
AU5776494A (en) Hardware arrangement for enciphering bit blocks while renewing a key at each iteration
HUP9902892A3 (en) Method and apparatus for providing for the recovery of a cryptographic key
NO992277D0 (no) FremgangsmÕte for Õ st°pe borkroner av stÕl
GB2302246B (en) Apparatus for generating encryption/decryption look-up tables using a session key
DE69229346T2 (de) Dynamische verschlüsselungsschlüsselauswahl zur verschlüsselten funkübertragung
GB0215524D0 (en) Method and apparatus for generating a cryptographic key
HK1030317A1 (en) Encryption/decryption method and authentication method using multiple-affine key system and apparatuses using the same
GB0023409D0 (en) Data encryption apparatus
GB9503738D0 (en) Cryptographic key management
GB2367313B (en) Method and apparatus for determining potential for drill bit performance
GB2367462B (en) Key Schedular for encryption apparatus using data encryption standard algorithm
HUP0102289A3 (en) Key duplicating machine
HK1042391B (zh) 加密系統中協商弱密鑰的方法
ZA961951B (en) Rock drill bit
EP1059762A4 (fr) Procede de partage de cle exclusive
FR2794592B1 (fr) Generateur de bits pour l'etablissement d'une clef secrete de cryptage et procede correspondant
GB2373074B (en) A method and apparatus for storage of security keys and certificates
FR2752122B1 (fr) Procede d'authentification a nombre reduit de bits transmis
FR2788719B1 (fr) Procede d'imprimerie combinant une impression usuelle et en braille a l'aide d'une machine d'imprimerie de type offset
GB2334053B (en) Percussion boring machine
AU2002224158A1 (en) Apparatus and method for encrypting/decrypting information on a pixel-by-pixel basis and encryption/decryption system using the same

Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20090228