TW200629855A - Confidential information processing method, confidential information processing device, and contents data reproducing device - Google Patents

Confidential information processing method, confidential information processing device, and contents data reproducing device

Info

Publication number
TW200629855A
TW200629855A TW094132659A TW94132659A TW200629855A TW 200629855 A TW200629855 A TW 200629855A TW 094132659 A TW094132659 A TW 094132659A TW 94132659 A TW94132659 A TW 94132659A TW 200629855 A TW200629855 A TW 200629855A
Authority
TW
Taiwan
Prior art keywords
information processing
confidential information
key
content
decoded
Prior art date
Application number
TW094132659A
Other languages
English (en)
Inventor
Tomoya Sato
Makoto Fujiwara
Original Assignee
Matsushita Electric Ind Co Ltd
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 Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Publication of TW200629855A publication Critical patent/TW200629855A/zh

Links

Classifications

    • 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
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • 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
    • 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
    • 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
    • H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
    • H04L9/0822—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) using key encryption key
    • 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
    • H04L9/10—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols with particular housing, physical features or manual controls
    • 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
    • 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)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Technology Law (AREA)
  • Storage Device Security (AREA)
TW094132659A 2004-09-21 2005-09-21 Confidential information processing method, confidential information processing device, and contents data reproducing device TW200629855A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004272863 2004-09-21

Publications (1)

Publication Number Publication Date
TW200629855A true TW200629855A (en) 2006-08-16

Family

ID=36090104

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094132659A TW200629855A (en) 2004-09-21 2005-09-21 Confidential information processing method, confidential information processing device, and contents data reproducing device

Country Status (7)

Country Link
US (1) US7841014B2 (zh)
EP (1) EP1811424A4 (zh)
JP (1) JP4758904B2 (zh)
KR (1) KR20070052233A (zh)
CN (1) CN1906622B (zh)
TW (1) TW200629855A (zh)
WO (1) WO2006033347A1 (zh)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1999680A2 (en) * 2006-03-15 2008-12-10 ActivIdentity, Inc. Method and system for obtaining assurance that a content control key is securely stored in a remote security module for further secure communications between a content provider and said security module.
EP2153369B1 (en) * 2007-05-18 2018-07-25 Secure Keys Pty Limited Security token and system and method for generating and decoding the security token
US20090327702A1 (en) * 2008-06-27 2009-12-31 Microsoft Corporation Key Escrow Service
US8751795B2 (en) 2010-09-14 2014-06-10 Mo-Dv, Inc. Secure transfer and tracking of data using removable non-volatile memory devices
KR101250661B1 (ko) * 2011-02-08 2013-04-03 주식회사 팬택 모바일 플랫폼 보안 장치 및 방법
JP5975098B2 (ja) * 2012-05-21 2016-08-23 ソニー株式会社 情報処理装置、情報記憶装置、情報処理システム、および情報処理方法、並びにプログラム
US10148430B1 (en) 2013-04-17 2018-12-04 Amazon Technologies, Inc Revocable stream ciphers for upgrading encryption in a shared resource environment
CN103873235B (zh) * 2014-03-18 2017-07-18 上海众人网络安全技术有限公司 一种口令字保护器及口令字保护方法
US10471281B2 (en) * 2014-11-12 2019-11-12 Misonix, Inc. Method for direct bone stimulation during interventional procedure to assist in bone healing
JP7300845B2 (ja) * 2019-02-15 2023-06-30 三菱重工業株式会社 制御装置、産業用制御システムおよび暗号鍵寿命延長方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1224909C (zh) * 1998-10-16 2005-10-26 松下电器产业株式会社 数字作品保护系统
JP4011792B2 (ja) * 1999-06-16 2007-11-21 株式会社東芝 記録方法、再生方法、記録装置、再生装置及び記録媒体
JP2000112348A (ja) * 1999-11-15 2000-04-21 Hitachi Ltd 暗号化装置、および復号化装置
DE60101758T2 (de) * 2000-04-12 2004-10-14 Matsushita Electric Industrial Co., Ltd., Kadoma Entschlüsselungsvorrichtung
CA2461408C (en) * 2001-09-28 2012-06-05 High Density Devices As Method and device for encryption/decryption of data on mass storage device
JP2004094778A (ja) * 2002-09-03 2004-03-25 Matsushita Electric Ind Co Ltd 記憶装置と複製装置
JP3881942B2 (ja) 2002-09-04 2007-02-14 松下電器産業株式会社 暗号化部を有する半導体装置
JP4660073B2 (ja) 2002-10-18 2011-03-30 株式会社東芝 暗号化記録装置、再生装置及びプログラム
WO2006003883A1 (ja) * 2004-06-30 2006-01-12 Matsushita Electric Industrial Co., Ltd. 記録媒体並びに記録媒体に情報を記録する記録装置及び記録方法

Also Published As

Publication number Publication date
EP1811424A1 (en) 2007-07-25
KR20070052233A (ko) 2007-05-21
US7841014B2 (en) 2010-11-23
CN1906622A (zh) 2007-01-31
JP4758904B2 (ja) 2011-08-31
EP1811424A4 (en) 2010-04-07
JPWO2006033347A1 (ja) 2008-05-15
CN1906622B (zh) 2011-05-11
WO2006033347A1 (ja) 2006-03-30
US20090013183A1 (en) 2009-01-08

Similar Documents

Publication Publication Date Title
TW200629855A (en) Confidential information processing method, confidential information processing device, and contents data reproducing device
TW379308B (en) Coding apparatus and method, decoding apparatus and method and data processing device and method
CN101295343B (zh) 二维码多重加密防伪印刷方法
WO2003042799A3 (en) Device and method with reduced information leakage
MY146340A (en) Method of protecting and managing digital contents and system for using thereof
TW200703018A (en) Content information providing system, content information providing server, content reproduction apparatus, content information providing method, content reproduction method and computer readable storage medium encoded with a computer program
WO2009134937A3 (en) Format-preserving cryptographic systems
WO2003065639A3 (en) System and method of hiding cryptographic private keys
GB0215911D0 (en) Method and apparatus for encrypting data
WO2007044276A3 (en) Partial encryption techniques for media data
RU2009105072A (ru) Методики кодирования и декодирования цифрового видео с переменным разрешением
EP1505594A3 (en) Access control for digital content
WO2005043361A3 (en) Secure document access method and apparatus
JP2009545229A5 (zh)
GB2442691A (en) Multimedia data protection
EP0874299A3 (en) Data transmission, reception, encryption, decryption and recording
WO2008001327A3 (en) Method and apparatus for encrypting/decrypting data
WO2002080444A3 (en) Method and apparatus for streaming data using rotating cryptographic keys
DE69926483D1 (de) Sichere verteilung von digitalen darstellungen
EP0874300A3 (en) Information transmission, reception and recording
EP0950941A3 (en) Method of and apparatus for protecting data on storage medium and storage medium
US7111167B1 (en) Digital watermarks with values derived from remote platforms
KR20160045752A (ko) 신분 인증 시스템, 장치, 방법 및 신분 인증 요청 장치
JP2001175605A5 (zh)
TW200501702A (en) Information processing device, driving device of information recording medium, information recording medium, information processing method and computer program