BR0104214A - Sistema de processamento de dados, dispositivo degravação, método de processamento de dados emum sistema de processamento de dados, e, meio deprovisão de programa - Google Patents

Sistema de processamento de dados, dispositivo degravação, método de processamento de dados emum sistema de processamento de dados, e, meio deprovisão de programa

Info

Publication number
BR0104214A
BR0104214A BR0104214-9A BR0104214A BR0104214A BR 0104214 A BR0104214 A BR 0104214A BR 0104214 A BR0104214 A BR 0104214A BR 0104214 A BR0104214 A BR 0104214A
Authority
BR
Brazil
Prior art keywords
recording device
key
data
processing
data processing
Prior art date
Application number
BR0104214-9A
Other languages
English (en)
Inventor
Yoshihito Ishibashi
Tomoyuki Asano
Toru Akishita
Taizo Shirai
Asaharu Yoshimori
Original Assignee
Sony Corp
Sony Computer Entertainment Inc
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
Priority claimed from JP2000016545A external-priority patent/JP2001211162A/ja
Priority claimed from JP2000016501A external-priority patent/JP2001209312A/ja
Application filed by Sony Corp, Sony Computer Entertainment Inc filed Critical Sony Corp
Publication of BR0104214A publication Critical patent/BR0104214A/pt

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G11B20/00485—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier
    • G11B20/00492—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/44—Program or device authentication
    • G06F21/445—Program or device authentication by mutual authentication, e.g. between devices or programs
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/606—Protecting data by securing the transmission between two devices or processes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00094—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers
    • G11B20/00123—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers the record carrier being identified by recognising some of its unique characteristics, e.g. a unique defect pattern serving as a physical signature of the record carrier
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00166—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised contents recorded on or reproduced from a record carrier, e.g. music or software
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00188—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised devices recording or reproducing contents to/from a record carrier
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • 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
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0838—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these
    • H04L9/0841—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these involving Diffie-Hellman or related key agreement protocols
    • H04L9/0844—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these involving Diffie-Hellman or related key agreement protocols with user authentication or key authentication, e.g. ElGamal, MTI, MQV-Menezes-Qu-Vanstone protocol or Diffie-Hellman protocols using implicitly-certified keys
    • 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
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0894—Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage
    • 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
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3271—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using challenge-response
    • H04L9/3273—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using challenge-response for mutual authentication
    • 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
    • H04L2209/60—Digital content management, e.g. content distribution

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Bioethics (AREA)
  • Multimedia (AREA)
  • Storage Device Security (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

"SISTEMA DE PROCESSAMENTO DE DADOS, DISPOSITIVODE GRAVAçãO, MéTODO DE PROCESSAMENTO DE DADOSEM UM SISTEMA DE PROCESSAMENTO DE DADOS, E, MEIODE PROVISãO DE PROGRAMA". Um sistema de processamentode dados dispositivo de gravação método de processamento dedados e meio de provisão de programa executam processamentode autenticação e processamento de armazenamento de conteúdoentre dois equipamentos que executam transferência de dadoslevando em consideração a utilização de restrição de conteúdos.Uma pluralidade de blocos de chave é formada, a qual armazenadados de chave para processamento de autenticação em umdispositivo de gravação, e dados de chave da pluralidade deblocos de chave são dados diferentes feitos para cada bloco.Informação de designação de bloco de chave é estabelecida emum gravador/reprodutor, que é configurado para executarprocessamento de autenticação com o dispositivo de gravaçãopela designação de um bloco de chave. O gravador/reprodutorpode estabelecer um bloco de chave para cada produto, modelo,ou similar, e pode estabelecer facilmente a restrição de utilizaçãode conteúdos no reprodutor. Adicionalmente, uma vez que umachave de armazenamento armazenada em cada bloco é diferente,os dados armazenados em uma seção de armazenamento dodispositivo de gravação em um bloco de chave não podem serutilizados em um gravador/reprodutor no qual outro bloco de chaveesteja estabelecido, e circulação de dados de chave , ou similar,pode ser impedida. Além disso, uma seção de controle deprocessamento de criptografia de um dispositivo de gravaçãoexecuta controle para executar comandos que sejam necessáriosao processamento de autenticação, processamento de criptografiade dados armazenados e similar, de acordo com uma seq³ência deestabelecimento definida previamente. A seção de controlemonitora um número de comando transmitido de umgravador/reprodutor para o dispositivo de gravação, e recebe eexecuta apenas um número de comando que case com aseq³ência definida previamente. Uma vez que a seq³ência decomando é estabelecida para executar um comando deprocessamento de autenticação antes para um comando deprocessamento de criptografia, apenas o gravador/reprodutor quetenha completado o processamento de autenticação podeexecutar armazenamento no dispositivo de gravação eprocessamento de reprodução de conteúdos, e utilização deconteúdos por um instrumento ilegal que não tenha completado oprocessamento de autenticação pode ser eliminado.
BR0104214-9A 2000-01-26 2001-01-26 Sistema de processamento de dados, dispositivo degravação, método de processamento de dados emum sistema de processamento de dados, e, meio deprovisão de programa BR0104214A (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2000016545A JP2001211162A (ja) 2000-01-26 2000-01-26 データ処理システム、記録デバイス、およびデータ処理方法、並びにプログラム提供媒体
JP2000016501A JP2001209312A (ja) 2000-01-26 2000-01-26 データ処理システム、記録デバイス、およびデータ処理方法、並びにプログラム提供媒体
PCT/JP2001/000526 WO2001056224A1 (fr) 2000-01-26 2001-01-26 Systeme d'authentification de dispositif de stockage

Publications (1)

Publication Number Publication Date
BR0104214A true BR0104214A (pt) 2001-12-18

Family

ID=26584154

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0104214-9A BR0104214A (pt) 2000-01-26 2001-01-26 Sistema de processamento de dados, dispositivo degravação, método de processamento de dados emum sistema de processamento de dados, e, meio deprovisão de programa

Country Status (10)

Country Link
US (1) US20030023847A1 (pt)
EP (1) EP1164748A1 (pt)
KR (1) KR20010108397A (pt)
CN (1) CN1366751A (pt)
AU (1) AU2883001A (pt)
BR (1) BR0104214A (pt)
CA (1) CA2361356A1 (pt)
NZ (1) NZ513863A (pt)
TW (1) TW514844B (pt)
WO (1) WO2001056224A1 (pt)

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Also Published As

Publication number Publication date
KR20010108397A (ko) 2001-12-07
WO2001056224A1 (fr) 2001-08-02
TW514844B (en) 2002-12-21
AU2883001A (en) 2001-08-07
US20030023847A1 (en) 2003-01-30
EP1164748A1 (en) 2001-12-19
CN1366751A (zh) 2002-08-28
CA2361356A1 (en) 2001-08-02
NZ513863A (en) 2001-09-28

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