BRPI0309079B1 - método e dispositivo de proteção de dados numéricos armazenados em uma memória - Google Patents

método e dispositivo de proteção de dados numéricos armazenados em uma memória Download PDF

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Publication number
BRPI0309079B1
BRPI0309079B1 BRPI0309079A BR0309079A BRPI0309079B1 BR PI0309079 B1 BRPI0309079 B1 BR PI0309079B1 BR PI0309079 A BRPI0309079 A BR PI0309079A BR 0309079 A BR0309079 A BR 0309079A BR PI0309079 B1 BRPI0309079 B1 BR PI0309079B1
Authority
BR
Brazil
Prior art keywords
memory
data
chip card
encryption key
digital
Prior art date
Application number
BRPI0309079A
Other languages
English (en)
Portuguese (pt)
Other versions
BR0309079A (pt
Inventor
Jean Luc Dauvois
Original Assignee
Canal Plus Technologies
Nagra France Sas
Nagra Thomson Licensing
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 Canal Plus Technologies, Nagra France Sas, Nagra Thomson Licensing filed Critical Canal Plus Technologies
Publication of BR0309079A publication Critical patent/BR0309079A/pt
Publication of BRPI0309079B1 publication Critical patent/BRPI0309079B1/pt

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/78—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data
    • G06F21/79—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data in semiconductor storage media, e.g. directly-addressable memories
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/14—Protection against unauthorised use of memory or access to memory
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Storage Device Security (AREA)
BRPI0309079A 2002-04-08 2003-04-02 método e dispositivo de proteção de dados numéricos armazenados em uma memória BRPI0309079B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0204321A FR2838206A1 (fr) 2002-04-08 2002-04-08 Procede et dispositif de protection de donnees numeriques stockees dans une memoire
PCT/FR2003/001024 WO2003085496A1 (fr) 2002-04-08 2003-04-02 Procede et dispositif de protection de donnees numeriques stockees dans une memoire

Publications (2)

Publication Number Publication Date
BR0309079A BR0309079A (pt) 2005-02-22
BRPI0309079B1 true BRPI0309079B1 (pt) 2016-01-19

Family

ID=28052176

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0309079A BRPI0309079B1 (pt) 2002-04-08 2003-04-02 método e dispositivo de proteção de dados numéricos armazenados em uma memória

Country Status (10)

Country Link
EP (1) EP1493072B1 (enExample)
JP (1) JP4512372B2 (enExample)
KR (1) KR100997834B1 (enExample)
CN (1) CN1659493A (enExample)
AU (1) AU2003246764A1 (enExample)
BR (1) BRPI0309079B1 (enExample)
DE (1) DE60323955D1 (enExample)
FR (1) FR2838206A1 (enExample)
MX (1) MXPA04009804A (enExample)
WO (1) WO2003085496A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100374973C (zh) * 2005-05-20 2008-03-12 联想(北京)有限公司 一种使用超级密码解密的方法
EP2283451A1 (en) * 2008-05-23 2011-02-16 Koninklijke Philips Electronics N.V. Identity-based encryption of data items for secure access thereto

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3736882C2 (de) * 1987-10-30 1997-04-30 Gao Ges Automation Org Verfahren zur Echtheitsprüfung eines Datenträgers mit integriertem Schaltkreis
FR2738971B1 (fr) * 1995-09-19 1997-10-10 Schlumberger Ind Sa Procede de determination d'une cle de cryptage associee a un circuit integre
JP3440763B2 (ja) * 1996-10-25 2003-08-25 富士ゼロックス株式会社 暗号化装置、復号装置、機密データ処理装置、及び情報処理装置
EP0984403A1 (en) * 1998-09-01 2000-03-08 Mindport B.V. Security system
JP2002077141A (ja) * 2000-09-01 2002-03-15 Matsushita Electric Ind Co Ltd 電子暗号鍵およびその使用方法

Also Published As

Publication number Publication date
KR100997834B1 (ko) 2010-12-01
EP1493072A1 (fr) 2005-01-05
DE60323955D1 (de) 2008-11-20
BR0309079A (pt) 2005-02-22
WO2003085496A1 (fr) 2003-10-16
CN1659493A (zh) 2005-08-24
FR2838206A1 (fr) 2003-10-10
JP2005527896A (ja) 2005-09-15
AU2003246764A1 (en) 2003-10-20
EP1493072B1 (fr) 2008-10-08
JP4512372B2 (ja) 2010-07-28
KR20050005440A (ko) 2005-01-13
MXPA04009804A (es) 2005-01-25

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Legal Events

Date Code Title Description
B25D Requested change of name of applicant approved

Owner name: NAGRA THOMSON LICENSING (FR)

B25G Requested change of headquarter approved

Owner name: NAGRA THOMSON LICENSING (FR)

B25A Requested transfer of rights approved

Owner name: NAGRA FRANCE SAS (FR)

B07A Technical examination (opinion): publication of technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 19/01/2016, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 17A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: REFERENTE AO DESPACHO 21.6 PUBLICADO NA RPI 2560 DE 2020-01-28