DE60101758D1 - Entschlüsselungsvorrichtung - Google Patents

Entschlüsselungsvorrichtung

Info

Publication number
DE60101758D1
DE60101758D1 DE60101758T DE60101758T DE60101758D1 DE 60101758 D1 DE60101758 D1 DE 60101758D1 DE 60101758 T DE60101758 T DE 60101758T DE 60101758 T DE60101758 T DE 60101758T DE 60101758 D1 DE60101758 D1 DE 60101758D1
Authority
DE
Germany
Prior art keywords
decryption device
decryption
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.)
Expired - Lifetime
Application number
DE60101758T
Other languages
English (en)
Other versions
DE60101758T2 (de
Inventor
Osamu Shibata
Taihei Yugawa
Tsutomu Sekibe
Yoshiyuki Saito
Toshihiko Otake
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial 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 Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE60101758D1 publication Critical patent/DE60101758D1/de
Application granted granted Critical
Publication of DE60101758T2 publication Critical patent/DE60101758T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
DE60101758T 2000-04-12 2001-04-06 Entschlüsselungsvorrichtung Expired - Lifetime DE60101758T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000110260 2000-04-12
JP2000110260 2000-04-12

Publications (2)

Publication Number Publication Date
DE60101758D1 true DE60101758D1 (de) 2004-02-19
DE60101758T2 DE60101758T2 (de) 2004-10-14

Family

ID=18622799

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60101758T Expired - Lifetime DE60101758T2 (de) 2000-04-12 2001-04-06 Entschlüsselungsvorrichtung

Country Status (4)

Country Link
US (2) US7272856B2 (de)
EP (1) EP1146685B1 (de)
CN (1) CN1224209C (de)
DE (1) DE60101758T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8191166B2 (en) * 2002-09-27 2012-05-29 Broadcom Corporation System and method for securely handling control information
US7549056B2 (en) 1999-03-19 2009-06-16 Broadcom Corporation System and method for processing and protecting content
DE60101758T2 (de) * 2000-04-12 2004-10-14 Matsushita Electric Industrial Co., Ltd., Kadoma Entschlüsselungsvorrichtung
US20030204738A1 (en) * 2002-04-30 2003-10-30 Morgan Stephen Paul System and method for secure distribution of digital content via a network
JP2004112461A (ja) * 2002-09-19 2004-04-08 Sony Corp データ処理方法、そのプログラムおよびその装置
CN1906622B (zh) 2004-09-21 2011-05-11 松下电器产业株式会社 机密信息处理方法、机密信息处理装置及内容数据再现装置
JP2006229881A (ja) * 2005-02-21 2006-08-31 Toshiba Corp 鍵管理システムおよび鍵管理方法
KR20080084046A (ko) * 2007-03-14 2008-09-19 삼성전자주식회사 컨텐트의 조건부 복호화 방법 및 그 장치
KR20090011152A (ko) * 2007-07-25 2009-02-02 삼성전자주식회사 콘텐츠 제공 방법 및 시스템
US9734356B2 (en) * 2009-06-29 2017-08-15 Clevx, Llc Encrypting portable media system and method of operation thereof
US9251900B2 (en) * 2011-11-15 2016-02-02 Sandisk Technologies Inc. Data scrambling based on transition characteristic of the data
CN104268759A (zh) * 2014-09-22 2015-01-07 吴永 一种商品的防伪方法
US9832179B2 (en) * 2015-02-25 2017-11-28 Red Hat Israel, Ltd. Stateless server-based encryption associated with a distribution list

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69206126T2 (de) * 1991-01-18 1996-05-15 Thomson Multimedia Sa Verfahren und vorrichtung zur zugriffskontrolle und/oder erkennung.
US5412721A (en) * 1993-03-26 1995-05-02 Motorola, Inc. Method for loading and utilizing a key in a secure transmission device
JPH07131449A (ja) 1993-11-04 1995-05-19 Nippon Telegr & Teleph Corp <Ntt> ディジタル情報通信システム
EP0840477B1 (de) * 1996-10-31 2012-07-18 Panasonic Corporation Hochsicheres Verfahren zur geheimen Schlüsselübertragung mit Beschränkung des Schadens bei Bekanntwerden oder Dekodierung des geheimen Schlüssels
US5923754A (en) * 1997-05-02 1999-07-13 Compaq Computer Corporation Copy protection for recorded media
US6496928B1 (en) * 1998-01-07 2002-12-17 Microsoft Corporation System for transmitting subscription information and content to a mobile device
US6438235B2 (en) * 1998-08-05 2002-08-20 Hewlett-Packard Company Media content protection utilizing public key cryptography
US6801999B1 (en) * 1999-05-20 2004-10-05 Microsoft Corporation Passive and active software objects containing bore resistant watermarking
DE60101758T2 (de) * 2000-04-12 2004-10-14 Matsushita Electric Industrial Co., Ltd., Kadoma Entschlüsselungsvorrichtung

Also Published As

Publication number Publication date
US20080285750A1 (en) 2008-11-20
EP1146685A3 (de) 2002-10-30
US7272856B2 (en) 2007-09-18
EP1146685B1 (de) 2004-01-14
US7640436B2 (en) 2009-12-29
DE60101758T2 (de) 2004-10-14
EP1146685A2 (de) 2001-10-17
CN1224209C (zh) 2005-10-19
CN1317898A (zh) 2001-10-17
US20010034715A1 (en) 2001-10-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP