JP2001066986A - 送信装置および方法、受信装置および方法、通信システム、並びにプログラム格納媒体 - Google Patents

送信装置および方法、受信装置および方法、通信システム、並びにプログラム格納媒体

Info

Publication number
JP2001066986A
JP2001066986A JP23920599A JP23920599A JP2001066986A JP 2001066986 A JP2001066986 A JP 2001066986A JP 23920599 A JP23920599 A JP 23920599A JP 23920599 A JP23920599 A JP 23920599A JP 2001066986 A JP2001066986 A JP 2001066986A
Authority
JP
Japan
Prior art keywords
data
value
receiving
content
transmitting
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.)
Abandoned
Application number
JP23920599A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001066986A5 (enExample
Inventor
Ryuji Ishiguro
隆二 石黒
Shugi Ebihara
宗毅 海老原
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.)
Sony Corp
Original Assignee
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 JP23920599A priority Critical patent/JP2001066986A/ja
Priority to US09/641,312 priority patent/US7246234B1/en
Publication of JP2001066986A publication Critical patent/JP2001066986A/ja
Priority to US11/207,798 priority patent/US7522726B2/en
Publication of JP2001066986A5 publication Critical patent/JP2001066986A5/ja
Abandoned legal-status Critical Current

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
    • 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
    • G06F21/10—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
    • H04L9/32—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
    • H04L9/3236—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 cryptographic hash functions
    • 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)
  • Software Systems (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Technology Law (AREA)
  • Computer Hardware Design (AREA)
  • Multimedia (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Storage Device Security (AREA)
  • Small-Scale Networks (AREA)
  • Communication Control (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
JP23920599A 1999-08-26 1999-08-26 送信装置および方法、受信装置および方法、通信システム、並びにプログラム格納媒体 Abandoned JP2001066986A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP23920599A JP2001066986A (ja) 1999-08-26 1999-08-26 送信装置および方法、受信装置および方法、通信システム、並びにプログラム格納媒体
US09/641,312 US7246234B1 (en) 1999-08-26 2000-08-18 Transmitter device, transmitting method, receiver device, receiving method, communication system, and program storage medium
US11/207,798 US7522726B2 (en) 1999-08-26 2005-08-22 Transmitter device, transmitting method, receiver device, receiving method, communication system, and program storage medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23920599A JP2001066986A (ja) 1999-08-26 1999-08-26 送信装置および方法、受信装置および方法、通信システム、並びにプログラム格納媒体

Publications (2)

Publication Number Publication Date
JP2001066986A true JP2001066986A (ja) 2001-03-16
JP2001066986A5 JP2001066986A5 (enExample) 2006-06-08

Family

ID=17041309

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23920599A Abandoned JP2001066986A (ja) 1999-08-26 1999-08-26 送信装置および方法、受信装置および方法、通信システム、並びにプログラム格納媒体

Country Status (2)

Country Link
US (2) US7246234B1 (enExample)
JP (1) JP2001066986A (enExample)

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WO2003088056A1 (en) * 2002-04-15 2003-10-23 Sony Corporation Information processing device, method, and program
WO2005121976A1 (ja) * 2004-06-14 2005-12-22 Sony Corporation 情報管理装置及び情報管理方法
JP2008507793A (ja) * 2004-07-22 2008-03-13 松下電器産業株式会社 再生装置、再生方法
CN100440826C (zh) * 2003-04-30 2008-12-03 华为技术有限公司 静态路由的刷新方法
JP2009059234A (ja) * 2007-08-31 2009-03-19 I-O Data Device Inc コンテンツ管理方法、そのプログラム、および記録媒体
US20100153511A1 (en) * 2008-12-12 2010-06-17 Verizon Corporate Resources Group Llc Duplicate mms content checking

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WO2003005207A1 (en) * 2001-07-06 2003-01-16 Matsushita Electric Industrial Co., Ltd. Content management method and content management apparatus
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WO2003088058A1 (en) * 2002-04-15 2003-10-23 Sony Corporation Information management device, method, recording medium, and program
WO2003088056A1 (en) * 2002-04-15 2003-10-23 Sony Corporation Information processing device, method, and program
US7503073B2 (en) 2002-04-15 2009-03-10 Sony Corporation Information managing apparatus and method, recording medium, and program
CN100440826C (zh) * 2003-04-30 2008-12-03 华为技术有限公司 静态路由的刷新方法
WO2005121976A1 (ja) * 2004-06-14 2005-12-22 Sony Corporation 情報管理装置及び情報管理方法
JPWO2005121976A1 (ja) * 2004-06-14 2008-04-10 ソニー株式会社 情報管理装置及び情報管理方法
JP2011090773A (ja) * 2004-07-22 2011-05-06 Panasonic Corp 再生装置に用いる集積回路
JP2010257473A (ja) * 2004-07-22 2010-11-11 Panasonic Corp 再生装置、再生方法
JP2008507793A (ja) * 2004-07-22 2008-03-13 松下電器産業株式会社 再生装置、再生方法
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Also Published As

Publication number Publication date
US7522726B2 (en) 2009-04-21
US7246234B1 (en) 2007-07-17
US20060056624A1 (en) 2006-03-16

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