JP2004220317A - 相互認証方法、プログラム、記録媒体、信号処理システム、再生装置および情報処理装置 - Google Patents

相互認証方法、プログラム、記録媒体、信号処理システム、再生装置および情報処理装置 Download PDF

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Publication number
JP2004220317A
JP2004220317A JP2003006915A JP2003006915A JP2004220317A JP 2004220317 A JP2004220317 A JP 2004220317A JP 2003006915 A JP2003006915 A JP 2003006915A JP 2003006915 A JP2003006915 A JP 2003006915A JP 2004220317 A JP2004220317 A JP 2004220317A
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JP
Japan
Prior art keywords
information
key
random number
information processing
playback device
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Pending
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JP2003006915A
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English (en)
Japanese (ja)
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JP2004220317A5 (https=
Inventor
Satoshi Kitani
聡 木谷
Katsumi Muramatsu
克美 村松
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Sony Corp
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Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP2003006915A priority Critical patent/JP2004220317A/ja
Priority to EP03780879A priority patent/EP1585248A4/en
Priority to CNA2003801003420A priority patent/CN1706148A/zh
Priority to US10/505,175 priority patent/US7395429B2/en
Priority to PCT/JP2003/016226 priority patent/WO2004064317A1/ja
Priority to KR1020047014383A priority patent/KR101017002B1/ko
Priority to TW093100790A priority patent/TWI289829B/zh
Publication of JP2004220317A publication Critical patent/JP2004220317A/ja
Publication of JP2004220317A5 publication Critical patent/JP2004220317A5/ja
Pending legal-status Critical Current

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    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G11B20/00217Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source
    • G11B20/00253Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is stored on the record carrier
    • G11B20/00362Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is stored on the record carrier the key being obtained from a media key block [MKB]
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00Accessing, addressing or allocating within memory systems or architectures
    • G06F12/14Protection against unauthorised use of memory or access to memory
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819Key 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)
    • H04L9/0822Key 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0861Generation of secret information including derivation or calculation of cryptographic keys or passwords
    • H04L9/0869Generation of secret information including derivation or calculation of cryptographic keys or passwords involving random numbers or seeds
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32Cryptographic 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32Cryptographic 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
    • H04L9/3271Cryptographic 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
    • H04L9/3273Cryptographic 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/60Digital content management, e.g. content distribution
    • H04L2209/605Copy protection

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Storage Device Security (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
JP2003006915A 2003-01-15 2003-01-15 相互認証方法、プログラム、記録媒体、信号処理システム、再生装置および情報処理装置 Pending JP2004220317A (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP2003006915A JP2004220317A (ja) 2003-01-15 2003-01-15 相互認証方法、プログラム、記録媒体、信号処理システム、再生装置および情報処理装置
EP03780879A EP1585248A4 (en) 2003-01-15 2003-12-18 METHOD OF MUTUAL AUTHENTICATION, PROGRAM, RECORDING MEDIUM, SIGNAL PROCESSING SYSTEM, REPRODUCTION DEVICE AND INFORMATION PROCESSING DEVICE
CNA2003801003420A CN1706148A (zh) 2003-01-15 2003-12-18 相互验证方法、程序、记录介质、信号处理系统、再现装置、以及信息处理装置
US10/505,175 US7395429B2 (en) 2003-01-15 2003-12-18 Mutual authentication method, program, recording medium, signal processing system, reproduction device, and information processing device
PCT/JP2003/016226 WO2004064317A1 (ja) 2003-01-15 2003-12-18 相互認証方法、再生装置及び情報処理装置
KR1020047014383A KR101017002B1 (ko) 2003-01-15 2003-12-18 상호 인증 방법, 기록 매체, 신호 처리 시스템, 재생 장치 및 정보 처리 장치
TW093100790A TWI289829B (en) 2003-01-15 2004-01-13 Mutual verification method, program, recording medium, signal processing system, regeneration device, and information processing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003006915A JP2004220317A (ja) 2003-01-15 2003-01-15 相互認証方法、プログラム、記録媒体、信号処理システム、再生装置および情報処理装置

Publications (2)

Publication Number Publication Date
JP2004220317A true JP2004220317A (ja) 2004-08-05
JP2004220317A5 JP2004220317A5 (https=) 2006-02-23

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003006915A Pending JP2004220317A (ja) 2003-01-15 2003-01-15 相互認証方法、プログラム、記録媒体、信号処理システム、再生装置および情報処理装置

Country Status (7)

Country Link
US (1) US7395429B2 (https=)
EP (1) EP1585248A4 (https=)
JP (1) JP2004220317A (https=)
KR (1) KR101017002B1 (https=)
CN (1) CN1706148A (https=)
TW (1) TWI289829B (https=)
WO (1) WO2004064317A1 (https=)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006065778A (ja) * 2004-08-30 2006-03-09 Canon Inc データ通信装置及びデータ通信方法、並びにデータ通信プログラム及び記憶媒体
JP2006079449A (ja) * 2004-09-10 2006-03-23 Canon Inc 記憶媒体アクセス制御方法
WO2006030500A1 (ja) * 2004-09-15 2006-03-23 Fujitsu Limited 情報処理装置,セットアップ方法,セットアッププログラムおよび同プログラムを記録したコンピュータ読取可能な記録媒体
JP2006172041A (ja) * 2004-12-15 2006-06-29 Ken Tokuo コンピュータ・プログラムおよびコンテンツ配信方法
JP2006173853A (ja) * 2004-12-14 2006-06-29 Sony Corp 情報処理装置、情報記録媒体、および情報処理方法、並びにコンピュータ・プログラム
JP2009194640A (ja) * 2008-02-14 2009-08-27 Toshiba Corp コンテンツ転送方法
KR100947017B1 (ko) 2004-09-15 2010-03-11 후지쯔 가부시끼가이샤 정보 처리 장치 및 셋업 프로그램이 기록된 컴퓨터 판독 가능한 기록 매체
US7721343B2 (en) 2004-11-22 2010-05-18 Kabushiki Kaish Toshiba Copyright management method, information recording/reproducing method and device, and information recording medium and method of manufacturing the medium
JP2011523118A (ja) * 2008-05-30 2011-08-04 ジェネラル・インスツルメント・コーポレーション 少なくとも1つのコンテンツ・プレキーを用いるコンテンツ暗号化
JP4861975B2 (ja) * 2005-02-07 2012-01-25 パナソニック株式会社 記録装置
US8312294B2 (en) 2008-07-18 2012-11-13 Kabushiki Kaisha Toshiba Information processing apparatus, authentication method, and storage medium

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005069295A1 (en) * 2004-01-16 2005-07-28 Matsushita Electric Industrial Co., Ltd. Authentication server, method and system for detecting unauthorized terminal
WO2005071515A1 (en) * 2004-01-22 2005-08-04 Koninklijke Philips Electronics N.V. Method of authorizing access to content
JP2006020154A (ja) * 2004-07-02 2006-01-19 Toshiba Corp コンテンツ管理方法及びコンテンツ管理用プログラム、並びに電子機器
JP4551202B2 (ja) * 2004-12-07 2010-09-22 株式会社日立製作所 アドホックネットワークの認証方法、および、その無線通信端末
JP2006216113A (ja) * 2005-02-02 2006-08-17 Funai Electric Co Ltd Dvd再生装置
JP4899442B2 (ja) * 2005-11-21 2012-03-21 ソニー株式会社 情報処理装置、情報記録媒体製造装置、情報記録媒体、および方法、並びにコンピュータ・プログラム
JP2007336197A (ja) * 2006-06-14 2007-12-27 Toshiba Corp 情報アクセス管理方法および装置
JP4770650B2 (ja) * 2006-09-09 2011-09-14 ソニー株式会社 情報処理装置および情報処理方法並びにコンピュータ・プログラム
JP5026049B2 (ja) * 2006-10-25 2012-09-12 ソニー株式会社 メディアドライブ装置、メディアドライブ装置の動作方法、プログラム、プログラム記録媒体
KR20090000624A (ko) * 2007-03-09 2009-01-08 삼성전자주식회사 호스트 디바이스와의 상호 인증 방법 및 그 시스템
US20080226078A1 (en) * 2007-03-12 2008-09-18 Microsoft Corporation Enabling recording and copying data
KR101310232B1 (ko) * 2007-04-24 2013-09-24 삼성전자주식회사 버스 키 공유 방법 및 그 장치
US20090052670A1 (en) * 2007-08-21 2009-02-26 Samsung Electronics Co., Ltd. Method and apparatus for storing digital content in storage device
KR20090052199A (ko) * 2007-11-20 2009-05-25 삼성전자주식회사 저장 장치, 상기 저장 장치를 이용하는 단말장치와 그 방법
SG165220A1 (en) * 2009-03-25 2010-10-28 Toshiba Kk Processing apparatus of portable electronic devices, portable electronic device, and processing system of portable electronic devices
EP2270710B1 (en) * 2009-06-30 2015-12-23 Axis AB Method for restricting access to media data generated by a camera
CN101895537B (zh) * 2010-06-30 2014-07-30 北京握奇数据系统有限公司 建立数据交互通道的方法和系统、智能卡、服务器
JP2012084071A (ja) 2010-10-14 2012-04-26 Toshiba Corp デジタルコンテンツの保護方法、復号方法、再生装置、記憶媒体、暗号装置
KR101944468B1 (ko) * 2011-04-04 2019-04-30 삼성전자주식회사 컨텐츠를 보호하기 위한 방법, 호스트 장치, 저장 장치 및 기계로 읽을 수 있는 저장 매체
US8661527B2 (en) 2011-08-31 2014-02-25 Kabushiki Kaisha Toshiba Authenticator, authenticatee and authentication method
JP5275432B2 (ja) 2011-11-11 2013-08-28 株式会社東芝 ストレージメディア、ホスト装置、メモリ装置、及びシステム
JP5204290B1 (ja) 2011-12-02 2013-06-05 株式会社東芝 ホスト装置、システム、及び装置
JP5204291B1 (ja) 2011-12-02 2013-06-05 株式会社東芝 ホスト装置、装置、システム
JP5100884B1 (ja) 2011-12-02 2012-12-19 株式会社東芝 メモリ装置
JP5112555B1 (ja) 2011-12-02 2013-01-09 株式会社東芝 メモリカード、ストレージメディア、及びコントローラ
JP5275482B2 (ja) 2012-01-16 2013-08-28 株式会社東芝 ストレージメディア、ホスト装置、メモリ装置、及びシステム
US9201811B2 (en) 2013-02-14 2015-12-01 Kabushiki Kaisha Toshiba Device and authentication method therefor
US8984294B2 (en) 2013-02-15 2015-03-17 Kabushiki Kaisha Toshiba System of authenticating an individual memory device via reading data including prohibited data and readable data
MX366491B (es) * 2014-12-03 2019-07-10 Nagravision Sa Método criptográfico en bloques para encriptar/desencriptar mensajes y dispositivos criptográficos para implementar este método.
US10860409B2 (en) * 2018-08-01 2020-12-08 Cisco Technology, Inc. Tracelog isolation of failed sessions at scale

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08335040A (ja) * 1995-06-02 1996-12-17 Fujitsu Ltd 暗号化処理方式
JP3864401B2 (ja) * 1997-04-23 2006-12-27 ソニー株式会社 認証システム、電子機器、認証方法、および記録媒体
US6615192B1 (en) * 1999-03-12 2003-09-02 Matsushita Electric Industrial Co., Ltd. Contents copying system, copying method, computer-readable recording medium and disc drive copying contents but not a cipher key via a host computer
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
KR100331778B1 (ko) * 1999-09-13 2002-04-09 남봉길 은행잎의 유효성분 추출방법 및 그의 추출장치
JP2001256113A (ja) * 2000-03-13 2001-09-21 Toshiba Corp コンテンツ処理システムおよびコンテンツ保護方法
JP2001331106A (ja) * 2000-03-14 2001-11-30 Matsushita Electric Ind Co Ltd 暗号化情報信号、情報記録媒体、情報信号再生装置、および、情報信号記録装置
JP4608749B2 (ja) * 2000-07-24 2011-01-12 ソニー株式会社 データ処理装置、データ処理方法、およびライセンスシステム、並びにプログラム提供媒体
US7178169B1 (en) * 2000-09-01 2007-02-13 Zoran Corporation Method and apparatus for securing transfer of and access to digital content
US6912634B2 (en) * 2000-12-28 2005-06-28 Intel Corporation Verifying the integrity of a media key block by storing validation data in a validation area of media
US7111175B2 (en) * 2000-12-28 2006-09-19 Intel Corporation Method and apparatus for verifying the integrity of a media key block
US7039803B2 (en) * 2001-01-26 2006-05-02 International Business Machines Corporation Method for broadcast encryption and key revocation of stateless receivers
US20020141577A1 (en) * 2001-03-29 2002-10-03 Ripley Michael S. Method and system for providing bus encryption based on cryptographic key exchange
US6957343B2 (en) * 2001-03-30 2005-10-18 Intel Corporation Validating keying material by using a validation area of read-only media to prevent playback of unauthorized copies of content stored on the media
TWI222583B (en) * 2001-04-13 2004-10-21 Matsushita Electric Industrial Co Ltd Contents recording/duplicating device and recording media storing program for recording/duplicating contents
EP1428214A2 (en) * 2001-07-09 2004-06-16 Matsushita Electric Industrial Co., Ltd. Content reading apparatus
US20030188183A1 (en) * 2001-08-27 2003-10-02 Lee Lane W. Unlocking method and system for data on media
JP3925496B2 (ja) * 2002-02-05 2007-06-06 ソニー株式会社 データ記録装置及び記録方法
JP2005166185A (ja) * 2003-12-04 2005-06-23 Matsushita Electric Ind Co Ltd 記録装置、再生装置、記録方法、再生方法、記録媒体、及びプログラム

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006065778A (ja) * 2004-08-30 2006-03-09 Canon Inc データ通信装置及びデータ通信方法、並びにデータ通信プログラム及び記憶媒体
JP2006079449A (ja) * 2004-09-10 2006-03-23 Canon Inc 記憶媒体アクセス制御方法
WO2006030500A1 (ja) * 2004-09-15 2006-03-23 Fujitsu Limited 情報処理装置,セットアップ方法,セットアッププログラムおよび同プログラムを記録したコンピュータ読取可能な記録媒体
US8023650B2 (en) 2004-09-15 2011-09-20 Fujitsu Limited Information processing apparatus, setup method and non-transitory computer-readable recording medium on which setup program is recorded
KR100947017B1 (ko) 2004-09-15 2010-03-11 후지쯔 가부시끼가이샤 정보 처리 장치 및 셋업 프로그램이 기록된 컴퓨터 판독 가능한 기록 매체
KR100947019B1 (ko) 2004-09-15 2010-03-11 후지쯔 가부시끼가이샤 정보 처리 장치
US7721343B2 (en) 2004-11-22 2010-05-18 Kabushiki Kaish Toshiba Copyright management method, information recording/reproducing method and device, and information recording medium and method of manufacturing the medium
JP2006173853A (ja) * 2004-12-14 2006-06-29 Sony Corp 情報処理装置、情報記録媒体、および情報処理方法、並びにコンピュータ・プログラム
JP2006172041A (ja) * 2004-12-15 2006-06-29 Ken Tokuo コンピュータ・プログラムおよびコンテンツ配信方法
JP4861975B2 (ja) * 2005-02-07 2012-01-25 パナソニック株式会社 記録装置
JP2009194640A (ja) * 2008-02-14 2009-08-27 Toshiba Corp コンテンツ転送方法
JP2011523118A (ja) * 2008-05-30 2011-08-04 ジェネラル・インスツルメント・コーポレーション 少なくとも1つのコンテンツ・プレキーを用いるコンテンツ暗号化
US8312294B2 (en) 2008-07-18 2012-11-13 Kabushiki Kaisha Toshiba Information processing apparatus, authentication method, and storage medium

Also Published As

Publication number Publication date
EP1585248A4 (en) 2011-07-13
KR20050099934A (ko) 2005-10-17
EP1585248A1 (en) 2005-10-12
TWI289829B (en) 2007-11-11
US20050160284A1 (en) 2005-07-21
KR101017002B1 (ko) 2011-02-23
TW200425071A (en) 2004-11-16
CN1706148A (zh) 2005-12-07
US7395429B2 (en) 2008-07-01
WO2004064317A1 (ja) 2004-07-29

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