TW379308B - Coding apparatus and method, decoding apparatus and method and data processing device and method - Google Patents

Coding apparatus and method, decoding apparatus and method and data processing device and method Download PDF

Info

Publication number
TW379308B
TW379308B TW087105738A TW87105738A TW379308B TW 379308 B TW379308 B TW 379308B TW 087105738 A TW087105738 A TW 087105738A TW 87105738 A TW87105738 A TW 87105738A TW 379308 B TW379308 B TW 379308B
Authority
TW
Taiwan
Prior art keywords
key
data
decoding
generating
aforementioned
Prior art date
Application number
TW087105738A
Other languages
English (en)
Inventor
Ryuji Ishiguro
Yoshitomo Osawa
Yoshio Osakabe
Makoto Sato
Hisato Shima
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=14425980&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=TW379308(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of TW379308B publication Critical patent/TW379308B/zh

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
    • H04L9/0891—Revocation or update of secret information, e.g. encryption key update or rekeying
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • 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]
    • 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
    • G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
    • G06F21/6209—Protecting access to data via a platform, e.g. using keys or access control rules to a single file or object, e.g. in a secure envelope, encrypted and accessed using a key, or with access control rules appended to the object itself
    • 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
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
    • G06F21/72—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information in cryptographic circuits
    • G06F21/725—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information in cryptographic circuits operating on a secure reference time value
    • 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
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
    • G06F21/73—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information by creating or determining hardware identification, e.g. serial numbers
    • 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
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/82—Protecting input, output or interconnection devices
    • G06F21/85—Protecting input, output or interconnection devices interconnection devices, e.g. bus-connected or in-line devices
    • 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
    • G11B20/0021—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
    • 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
    • G11B20/00217—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 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
    • G11B20/00246—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 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 obtained from a local device, e.g. device key initially stored by the player or by the recorder
    • 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
    • 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
    • G11B20/00521—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 wherein each session of a multisession recording medium is encrypted with a separate 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
    • H04L9/008—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols involving homomorphic encryption
    • 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
    • H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
    • 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
    • H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
    • H04L9/0869—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving random numbers or seeds
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2211/00—Indexing scheme relating to details of data-processing equipment not covered by groups G06F3/00 - G06F13/00
    • G06F2211/007—Encryption, En-/decode, En-/decipher, En-/decypher, Scramble, (De-)compress
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2107—File encryption
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2525—Magneto-optical [MO] discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2562—DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs
    • 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
    • H04L2209/603—Digital right managament [DRM]
    • 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
    • H04L2209/605—Copy protection

Landscapes

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

Description

379308 * A8 'B8 C8 __D8___ 六、申請專利範園 用前述第1鍵及第2鍵，生成前述密碼鍵之生成步驟。 14 · 一種資訊處理系統，係爲針對以介由匯流排，相 互連接的複數個資訊處理裝置，而被構成之資訊處理系 統；其特徵爲： 前述資訊處理裝置，係爲以功能變更未開放給使用者 之第1資訊處理裝置，及功能變更開放給使用者之第2資 訊處理裝置等而被構成； 前述第1資訊處理裝置，具備： 收訊所被密碼化的資料之第1收訊手段，及 用密碼鍵’解碼前述第1收訊手段所收訊的資料之第1 解碼手段，及 產生第1鍵之第1產生手段，及當解碼資料時，產生在 所定時間所被變更的第2鍵之第2產生手段，及 用前述第1產生手段所產生的第1鍵及前述第2產生手 段所產生的第2鍵，生成前述密碼鍵之第1生成手段； 前述第2資訊處理裝置，具備： 收訊所被密碼化的資料之第2收訊手段，及 產生第1鍵之第3產生手段，及 當解碼資料時，產生在所定時間所被變更的前述第2 鍵之第4產生手段，及 用前述第3產生手段所產生的第1鍵及前述第4產生手 段所產生的第2鍵其一方，生成第1密碼鍵之第2生成手 -4- 本纸張尺度適用中國國家標準(CNS) A4規格(210X297公釐）. 379308 六、 A8 B8 C8 D8____ 申請專利範園 段；及 用前述第3產生手段所產生的第1鍵及前述第4產生手 段所產生的第2鍵其他方，生成第2密碼鍵之第3生成手 段；及 用前述第1密碼鍵，解碼前述收訊手段所收訊的密碼 化資料之第2解碼手段，及 用前述第2密碼鍵，進而解碼以前述第2解碼手段而被 解碼的資料之第3解碼手段。 15. —種資訊處理方法，係爲針對以介由匯流排，相 互連接的複數個資訊處理裝置之資訊處理系統的資訊處 理方法；其特徵爲： 前述資訊處理裝置，係爲以功能變更未被開放給使用 者之第1資訊處理裝置，及功能變更開放給使用者之第2 資訊處理裝置等而被構成； 前述第1資訊處理裝置，具備： 收訊所被密碼化的資料之第1收訊步驟，及 用密碼鍵，解碼在前述第1收訊步驟所收訊的資料之 第1解碼步驟，及 產生第1鍵之第1產生步驟，及 當解碼資料時，產生在所定時間所被變更的第2鍵之 第2產生步驟，及 用在前述第1產生步驟所產生的第1鍵及在前述第2產 -5- 本纸張尺度適用中國國家標準(CNS) A4規格(210X 297公釐）. 379308 ' A8 B8 C8 D8___ 六、申請專利範圍 生步驟所產生的第2鍵，生成前述密礁鍵之第1生成步驟 1 前述第2資訊處理裝置，具備： 收訊所被密碼密化的資料之第2收訊步驟，及 產生第1鍵之第3產生步驟，及 當解碼資料時，產生在所定時間所被變更的前述第2 鍵之第4產生步驟，及 用在前述第3產生步驟所產生的第1鍵及在前述第4 產生步驟所產生的第2鍵其一方，生成.第1密碼鍵之第2 生成步驟：及 用在前述第3產生步驟所產生的第1鍵及前述第4產生 步驟所產生的第2鍵其他方，生成第2密碼鍵之第3生成 步驟；及 用前述第1密碼鍵，解碼在前述第2收訊步驟所收訊的 被密碼化的資料之第2解碼步驟，及 用前述第2密碼鍵，進而解碼在前述第2解碼步驟所被 解碼的資料之第3解碼步驟。 16. —種資訊處理裝置，其特徵爲具備： 收訊介由匯流排而傳輸到來的資料之收訊手段，及 從前述收訊手段所收訊的資料，生成藉由與另一裝置 通訊而經由一鑑認程序與該另一裝置共用的第1密碼鍵及 當解碼資料時，在所定時間所被變更的第2密碼鍵之軟體 -6- 本纸張尺度適用中國國家標準(CNS) A4规格(210X 297公釐）. 379308
ABCD 々、申請專利範圍 程式所形成之生成手段，及 用前述生成手段所生成的第1密碼鍵及第2密碼鍵其一 方，解碼前述收訊手段所收訊的被密碼化資料之第1解碼 手段.，及 用前述生成手段所生成的第1密碼鍵及第2密碼鍵其他 方，進而解碼以前述解碼手段所被解碼的資料後作處理 之軟體程式所形成之第2解碼手段。 17. —種資訊處理方法，其特徵爲具備： 收訊介由匯流排而傳輸到來的資料之收訊步驟，及 從在前述收訊步驟所收訊的資料，生成藉由與另一裝 置通訊而經由一鑑認程序與該另一裝置共用的第1密碼鍵 及當解碼資料時，在所定時間所被變更的第2密碼鍵之軟 體程式所形成之生成步驟，及 用在前述生成步驟所生成的第1密碼鍵及第2密碼鍵其 一方，解碼在前述收訊步驟所收訊的被密碼化的資料之 第1解碼步驟’及 用在前述生成步驟所生成的第1密碼鍵及第2密碼鍵其 他方，進而解碼在前述第1解碼步驟所被解碼的資料後作 處理之軟體程式所形成之第2解碼步驟。 本纸張尺度適用中國國家標準(CNS) A4規格(210X 297公釐)-
TW087105738A 1997-04-23 1998-04-15 Coding apparatus and method, decoding apparatus and method and data processing device and method TW379308B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9106136A JPH10301492A (ja) 1997-04-23 1997-04-23 暗号化装置および方法、復号装置および方法、並びに情報処理装置および方法

Publications (1)

Publication Number Publication Date
TW379308B true TW379308B (en) 2000-01-11

Family

ID=14425980

Family Applications (1)

Application Number Title Priority Date Filing Date
TW087105738A TW379308B (en) 1997-04-23 1998-04-15 Coding apparatus and method, decoding apparatus and method and data processing device and method

Country Status (11)

Country Link
US (9) US6256391B1 (zh)
EP (8) EP2385439A1 (zh)
JP (1) JPH10301492A (zh)
KR (1) KR100466474B1 (zh)
CN (2) CN100418317C (zh)
DE (1) DE69836450T2 (zh)
HK (2) HK1022060A1 (zh)
ID (1) ID20227A (zh)
MY (1) MY122244A (zh)
RU (1) RU2239954C2 (zh)
TW (1) TW379308B (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8140675B2 (en) 2004-01-15 2012-03-20 Panasonic Corporation Content reproduction apparatus

Families Citing this family (70)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10224763A (ja) * 1997-02-06 1998-08-21 Matsushita Electric Ind Co Ltd 暗号化装置および復号化装置および暗号化復号化装置
JPH10301492A (ja) 1997-04-23 1998-11-13 Sony Corp 暗号化装置および方法、復号装置および方法、並びに情報処理装置および方法
JPH11203049A (ja) * 1998-01-14 1999-07-30 Hitachi Ltd ドライブ接続システムおよび光情報記録媒体のドライブ接続システム
JP2000004256A (ja) * 1998-04-17 2000-01-07 Toshiba Corp ストリ―ムデ―タ処理システムおよびストリ―ムデ―タの制限方法
JP3951464B2 (ja) 1998-07-28 2007-08-01 株式会社日立製作所 ディジタル信号処理装置
JP4058173B2 (ja) * 1998-10-09 2008-03-05 キヤノン株式会社 情報通信装置、情報通信装置の制御方法及びコンピュータ読み取り可能な記録媒体
KR100284482B1 (ko) * 1998-10-10 2001-03-15 구자홍 데이터 암호화 방법
JP3779837B2 (ja) * 1999-02-22 2006-05-31 松下電器産業株式会社 コンピュータ及びプログラム記録媒体
JP3601995B2 (ja) * 1999-03-01 2004-12-15 パイオニア株式会社 情報記録媒体のストッカー及びチェンジャー
KR100530172B1 (ko) * 1999-03-30 2005-11-22 삼성전자주식회사 암호화방식을 이용한 광디스크 기록재생방법 및 장치
US6944763B1 (en) 1999-04-13 2005-09-13 Sony Corporation Data transmission system
US7143445B1 (en) * 1999-05-31 2006-11-28 Sony Corporation Information processing apparatus, information processing method, and program storage medium
JP4083925B2 (ja) * 1999-06-24 2008-04-30 株式会社日立製作所 情報処理装置、カード部材および情報処理システム
TW556111B (en) * 1999-08-31 2003-10-01 Toshiba Corp Extended key generator, encryption/decryption unit, extended key generation method, and storage medium
JP3759455B2 (ja) * 1999-12-07 2006-03-22 三洋電機株式会社 データ再生装置
DE10023820B4 (de) * 2000-05-15 2006-10-19 Siemens Ag Software-Schutzmechanismus
DE10155752A1 (de) * 2001-11-14 2003-05-22 Siemens Ag Lizenzierungsverfahren
US20070043675A1 (en) * 2000-05-15 2007-02-22 Siemens Aktiengesellschaft Software license manager
US6966837B1 (en) 2001-05-10 2005-11-22 Best Robert M Linked portable and video game systems
KR100458493B1 (ko) * 2001-06-15 2004-12-03 주식회사 마크애니 워터마킹 기술을 이용한 주문형 컨텐츠 서비스 제공/재생방법 및 이를 위한 장치
JP4545994B2 (ja) * 2001-07-02 2010-09-15 三洋電機株式会社 データ再生装置それに用いるデータ再生回路、およびデータ記録装置
US8001054B1 (en) 2001-07-10 2011-08-16 American Express Travel Related Services Company, Inc. System and method for generating an unpredictable number using a seeded algorithm
US20030051160A1 (en) * 2001-09-11 2003-03-13 Selkirk Stephen S. Anti-piracy firmware update
JP2005521278A (ja) * 2002-03-18 2005-07-14 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ コンテンツへのアクセスを制御するための方法及びシステム
US7350081B1 (en) 2002-04-29 2008-03-25 Best Robert M Secure execution of downloaded software
US20040078584A1 (en) * 2002-08-23 2004-04-22 General Instrument Corp. Interchip transport bus copy protection
US7020636B2 (en) * 2002-09-05 2006-03-28 Matsushita Electric Industrial, Co., Ltd. Storage-medium rental system
JP2004186814A (ja) * 2002-11-29 2004-07-02 Fujitsu Ltd 共通鍵暗号化通信システム
CN1729644B (zh) * 2002-12-18 2011-08-31 三叉微系统(远东)有限公司 多信道串行通信接口中的专用加密虚拟信道
US7313238B2 (en) * 2003-01-31 2007-12-25 Hewlett-Packard Development Company, L.P. Method and system for relating cryptographic keys
US20050010531A1 (en) * 2003-07-09 2005-01-13 Kushalnagar Nandakishore R. System and method for distributing digital rights management digital content in a controlled network ensuring digital rights
US7697690B2 (en) 2003-07-21 2010-04-13 Hewlett-Packard Development Company, L.P. Windowed backward key rotation
EP1532984A1 (en) * 2003-11-19 2005-05-25 Institut National De La Sante Et De La Recherche Medicale (Inserm) Use of anti CD44 antibodies for eradicating stem cells in acute myeloid leukemia
JP2005244534A (ja) * 2004-02-26 2005-09-08 Hitachi Ltd 暗号通信装置および暗号通信方法
US7458008B2 (en) * 2004-12-30 2008-11-25 Freescale Semiconductor, Inc. Decision voting in a parallel decoder
US7757295B1 (en) * 2005-02-09 2010-07-13 Lsi Corporation Methods and structure for serially controlled chip security
JP4784131B2 (ja) * 2005-04-11 2011-10-05 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
ATE492956T1 (de) * 2005-09-06 2011-01-15 Nero Ag Verfahren und vorrichtung zur ermittlung eines kommunikationsschlüssels zwischen einem ersten kommunikationspartner und einem zweiten kommunikationspartner unter benutzung einer dritten partei
US20090041424A1 (en) * 2005-10-18 2009-02-12 Yasushi Ayaki Transmitting-side recording and reproducing apparatus, and receiving-side recording and reproducing apparatus
DE102006004399A1 (de) * 2006-01-31 2007-08-09 Infineon Technologies Ag Verfahren zum Erzeugen eines kryptographischen Schlüssels
US8892887B2 (en) 2006-10-10 2014-11-18 Qualcomm Incorporated Method and apparatus for mutual authentication
US20080250251A1 (en) * 2007-04-04 2008-10-09 Cyberlink Corp. Systems and Methods for Hardware Driven Program Execution
JP4748109B2 (ja) * 2007-05-28 2011-08-17 ソニー株式会社 暗号化装置および方法、復号装置および方法、情報処理装置および方法、並びに情報再生装置
KR20080112010A (ko) * 2007-06-20 2008-12-24 삼성전자주식회사 펌웨어 인증 장치 및 방법
CN101431404B (zh) * 2007-11-09 2011-08-03 北京华旗资讯数码科技有限公司 可使通信终端实现软接入点功能的加密装置
DE102008046563A1 (de) 2008-09-10 2010-03-11 Siemens Aktiengesellschaft Verfahren zur Datenübertragung zwischen Netzwerkknoten
KR100908100B1 (ko) * 2008-11-17 2009-07-16 주식회사 오엘콥스 마트로시카 구조를 갖는 암호화 이미지를 이용한 상호 동기 인증 시스템 및 방법
JP5526747B2 (ja) * 2009-12-04 2014-06-18 パナソニック株式会社 復号化装置、暗号化装置、復号化方法、暗号化方法、および通信システム
JP5198539B2 (ja) * 2010-11-05 2013-05-15 株式会社東芝 記憶装置、アクセス装置およびプログラム
DE102011012328A1 (de) * 2011-02-24 2012-08-30 Gottfried Wilhelm Leibniz Universität Hannover Verschlüsseltes Rechnen
FR2974475B1 (fr) * 2011-04-19 2015-06-05 Viaccess Sa Procede de protection d'un contenu multimedia enregistre
WO2012167227A1 (en) * 2011-06-03 2012-12-06 Exelis Inc. Method and system for embedded high performance reconfigurable firmware cipher
EP2544157A1 (en) 2011-07-04 2013-01-09 ZF Friedrichshafen AG Technique for intrusion detection
JP5748634B2 (ja) * 2011-10-25 2015-07-15 Kddi株式会社 鍵系列出力装置、ストリーム暗号の暗号化装置、ストリーム暗号の復号化装置、鍵系列出力方法、およびプログラム
US9515830B2 (en) * 2012-07-18 2016-12-06 Nec Corporation Universal hash function computing device, method and program
JP6030925B2 (ja) * 2012-11-12 2016-11-24 ルネサスエレクトロニクス株式会社 半導体装置及び情報処理システム
ES2731775T3 (es) * 2013-04-18 2019-11-19 Risoftdev Inc Sistema y procedimientos de cifrado de datos
JP6199385B2 (ja) * 2013-06-12 2017-09-20 株式会社日立製作所 高セキュリティ通信システム、並びにそれに用いる送信機及び受信機
WO2015105479A1 (en) * 2014-01-07 2015-07-16 Empire Technology Development Llc Anonymous signature scheme
JP6359285B2 (ja) * 2014-02-17 2018-07-18 株式会社東芝 量子鍵配送装置、量子鍵配送システムおよび量子鍵配送方法
KR101597202B1 (ko) 2014-04-10 2016-02-24 박찬웅 태양광 어레이의 조립식 지붕 고정 구조물
JP6490354B2 (ja) * 2014-06-20 2019-03-27 鈴木　秀一 データ伝送システム、データ伝送方法、データ生成装置、データ取得装置、及びプログラム
JP6356075B2 (ja) * 2015-01-07 2018-07-11 株式会社日立製作所 ログ収集システムおよびログ収集方法
JP6203798B2 (ja) * 2015-09-17 2017-09-27 Kddi株式会社 車載制御システム、車両、管理装置、車載コンピュータ、データ共有方法、及びコンピュータプログラム
US10680810B2 (en) * 2016-10-26 2020-06-09 Nxp B.V. Method of generating an elliptic curve cryptographic key pair
CN107247900B (zh) * 2017-06-02 2020-09-22 苏州浪潮智能科技有限公司 一种获取操作系统登录密码的方法及装置
JP2017225186A (ja) * 2017-08-30 2017-12-21 Kddi株式会社 車載制御システム、車両、管理装置、車載コンピュータ、データ共有方法、及びコンピュータプログラム
US11838402B2 (en) 2019-03-13 2023-12-05 The Research Foundation For The State University Of New York Ultra low power core for lightweight encryption
KR102281182B1 (ko) 2020-12-30 2021-07-23 (주)양지클레딩 하중구조물의 직접고정을 위한 하중지지시스템
DE202023106573U1 (de) 2023-11-09 2024-01-26 Oculeus Gmbh Kommunikations-Netzwerk mit Datenkanal

Family Cites Families (80)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4203166A (en) * 1977-12-05 1980-05-13 International Business Machines Corporation Cryptographic file security for multiple domain networks
US4229818A (en) 1978-12-29 1980-10-21 International Business Machines Corporation Method and apparatus for enciphering blocks which succeed short blocks in a key-controlled block-cipher cryptographic system
US4369434A (en) 1979-12-20 1983-01-18 Gretag Aktiengesellschaft Enciphering/deciphering system
CH648167A5 (en) 1980-02-14 1985-02-28 Gretag Ag Method and device for encryption and decryption of data
US4531021A (en) 1980-06-19 1985-07-23 Oak Industries Inc. Two level encripting of RF signals
US4484027A (en) 1981-11-19 1984-11-20 Communications Satellite Corporation Security system for SSTV encryption
DE3360921D1 (en) 1982-04-30 1985-11-07 British Telecomm Broadcasting encrypted signals
US5253294A (en) 1983-02-22 1993-10-12 At&T Bell Laboratories Secure transmission system
GB8422327D0 (en) 1983-09-06 2011-02-02 Thomson Csf Enciphered transmission process and enchiphered transmission system implementing this process
JPS619052A (ja) * 1984-06-25 1986-01-16 Toshiba Corp 通信ネツトワ−クシステム
US4887296A (en) * 1984-10-26 1989-12-12 Ricoh Co., Ltd. Cryptographic system for direct broadcast satellite system
GB8512980D0 (en) 1985-05-22 1985-06-26 Pa Consulting Services Fibre optic transmissions systems
ZA862839B (en) 1985-05-24 1986-12-30 Scientific Atlanta Method and apparatus for scrambling and descrambling television signals
JPH0683202B2 (ja) * 1985-06-25 1994-10-19 日本電気株式会社 デ−タ符号化／復号化装置
US4791669A (en) * 1985-11-30 1988-12-13 Nec Corporation Encryption/decryption system
DE3612632A1 (de) 1986-04-11 1987-10-22 Schering Ag Verfahren zur herstellung von 7(alpha)-propylsteroiden
JPS6370634A (ja) 1986-09-12 1988-03-30 Toshiba Corp 暗号化鍵共有方式
US4972475A (en) * 1987-02-10 1990-11-20 Veritec Inc. Authenticating pseudo-random code and apparatus
US4850017A (en) * 1987-05-29 1989-07-18 International Business Machines Corp. Controlled use of cryptographic keys via generating station established control values
JP2831650B2 (ja) 1988-05-06 1998-12-02 日本放送協会 信号スクランブル伝送方式および装置
US4956863A (en) * 1989-04-17 1990-09-11 Trw Inc. Cryptographic method and apparatus for public key exchange with authentication
JPH0380646A (ja) 1989-08-23 1991-04-05 Matsushita Electric Ind Co Ltd 擬似乱数加算回路
US5029207A (en) * 1990-02-01 1991-07-02 Scientific-Atlanta, Inc. External security module for a television signal decoder
SE465797B (sv) * 1990-03-07 1991-10-28 Ericsson Telefon Ab L M Foerfarande att oeverfoera synkroniseringsinformation vid krypterad oeverfoering i ett mobilradiosystem
CN2063121U (zh) 1990-03-15 1990-10-03 杨新玉 除氰净化器
JPH04211543A (ja) 1990-03-29 1992-08-03 Nec Corp ディジタルデータ秘匿装置
US5148485A (en) * 1990-07-20 1992-09-15 Ericsson Ge Mobile Communications Holding, Inc. Encrypton system for digital cellular communications
JP2870163B2 (ja) 1990-09-07 1999-03-10 松下電器産業株式会社 認証機能付き鍵配送方式
JP2873064B2 (ja) 1990-09-07 1999-03-24 東燃株式会社 ポリα―オレフィンの製造方法
JP2578021B2 (ja) 1990-11-22 1997-02-05 日本電信電話株式会社 秘話電話装置
JPH0575598A (ja) 1991-09-18 1993-03-26 Matsushita Electric Ind Co Ltd 鍵データ共有装置
JPH05175411A (ja) 1991-12-24 1993-07-13 Ibiden Co Ltd 電子部品搭載基板用のリードフレーム
US5278905A (en) * 1992-05-13 1994-01-11 At&T Bell Laboratories Method and apparatus for processor base encryption
JPH05336136A (ja) 1992-06-03 1993-12-17 Fujitsu Ltd ループ型ローカルエリアネットワーク暗号化装置
US5341425A (en) * 1992-12-02 1994-08-23 Scientific Atlanta, Inc. Methods and apparatus for uniquely encrypting data at a plurality of data transmission sites for transmission to a reception site
US5365585A (en) 1993-08-30 1994-11-15 Motorola, Inc. Method and apparatus for encryption having a feedback register with selectable taps
WO1995009410A1 (fr) * 1993-09-29 1995-04-06 Pumpkin House Incorporated Dispositif et procede de chiffrement/dechiffrement et systeme de communication a chiffrement/dechiffrement
JP3263877B2 (ja) 1993-10-06 2002-03-11 日本電信電話株式会社 暗号ゲートウェイ装置
US5473696A (en) 1993-11-05 1995-12-05 At&T Corp. Method and apparatus for combined encryption and scrambling of information on a shared medium network
JPH07162692A (ja) 1993-12-07 1995-06-23 Mita Ind Co Ltd 暗号通信方法および暗号通信のための端末装置
JPH07175411A (ja) 1993-12-20 1995-07-14 Csk Corp 暗号システム
US5425103A (en) * 1994-03-14 1995-06-13 Shaw; William Y. Variable-key cryptography system
JP3383127B2 (ja) 1994-05-24 2003-03-04 ソニー株式会社 通信方法
JP3348526B2 (ja) 1994-06-14 2002-11-20 ソニー株式会社 オーディオビデオマネージャ機器及びオーディオビデオ機器並びに通信方法
US5557678A (en) * 1994-07-18 1996-09-17 Bell Atlantic Network Services, Inc. System and method for centralized session key distribution, privacy enhanced messaging and information distribution using a split private key public cryptosystem
GB9417270D0 (en) 1994-08-26 1994-10-19 Inmos Ltd Timing circuit
JP2845147B2 (ja) * 1994-12-26 1999-01-13 日本電気株式会社 位相変調暗号化伝送装置及びその送信装置、受信装置
US5602917A (en) 1994-12-30 1997-02-11 Lucent Technologies Inc. Method for secure session key generation
JPH08195735A (ja) 1995-01-18 1996-07-30 Toshiba Corp デコーダ装置
JPH08204702A (ja) 1995-01-30 1996-08-09 Nec Corp 暗号鍵管理装置
JP3294739B2 (ja) 1995-03-30 2002-06-24 三洋電機株式会社 Ｆｍ多重放送のスクランブルまたはデスクランブル方法
US5796836A (en) 1995-04-17 1998-08-18 Secure Computing Corporation Scalable key agile cryptography
JPH08335040A (ja) 1995-06-02 1996-12-17 Fujitsu Ltd 暗号化処理方式
DE19524021C2 (de) 1995-06-30 1997-05-22 Siemens Ag Verfahren zum Verschlüsseln von Informationen in ATM-Systemen
DE69633877T2 (de) 1995-07-28 2005-11-03 Sony Corp. Steuerung einer elektronischen Anlage
US5787483A (en) 1995-09-22 1998-07-28 Hewlett-Packard Company High-speed data communications modem
SE506619C2 (sv) 1995-09-27 1998-01-19 Ericsson Telefon Ab L M Metod för kryptering av information
FI112419B (fi) 1996-06-06 2003-11-28 Nokia Corp Menetelmä tiedonsiirron salaamiseksi
DK0835659T3 (da) 1996-10-14 2005-04-18 Aventis Pharma Gmbh Anvendelse af ikke-peptidiske antagonister for bradykinin til fremstilling af lægemidler til behandling og forebyggelse af Alzheimer's sygdom
DE19705350C2 (de) 1997-02-12 1998-12-03 Siemens Ag Verfahren und Einrichtung zur Teilnehmergruppierung in einem Mobil-Kommunikationsnetz
US6105012A (en) * 1997-04-22 2000-08-15 Sun Microsystems, Inc. Security system and method for financial institution server and client web browser
JPH10301492A (ja) * 1997-04-23 1998-11-13 Sony Corp 暗号化装置および方法、復号装置および方法、並びに情報処理装置および方法
JP3760460B2 (ja) * 1997-04-23 2006-03-29 ソニー株式会社 データ送信装置および方法、データ受信装置および方法、並びにデータ送受信システムおよび方法
AU2943400A (en) * 1999-03-12 2000-10-04 Ajinomoto Co., Inc. Process for the preparation of alpha-aminoketone derivatives
JP3815950B2 (ja) * 1999-06-15 2006-08-30 松下電器産業株式会社 デジタルデータ書込装置、デジタルデータ記録装置、デジタルデータ利用装置
US6731758B1 (en) * 1999-08-29 2004-05-04 Intel Corporation Digital video content transmission ciphering and deciphering method and apparatus
JP5175411B2 (ja) 2000-10-12 2013-04-03 共栄化学工業株式会社 化粧料
US6769062B1 (en) * 2000-10-25 2004-07-27 Ericsson Inc. Method and system of using an insecure crypto-accelerator
US6934389B2 (en) * 2001-03-02 2005-08-23 Ati International Srl Method and apparatus for providing bus-encrypted copy protection key to an unsecured bus
JP4117826B2 (ja) 2002-07-15 2008-07-16 リコーエレメックス株式会社 荷役用パレット
JP4379031B2 (ja) * 2003-07-17 2009-12-09 日本ビクター株式会社 情報伝送方式及びそれに用いる情報送信装置及び情報受信装置
JP4211543B2 (ja) 2003-09-09 2009-01-21 凸版印刷株式会社 電子レンジ加熱用紙製トレーおよび電子レンジ加熱方法
JP2006340407A (ja) 2006-09-25 2006-12-14 Sony Corp 暗号化装置および方法、並びに復号装置および方法
JP2007043738A (ja) 2006-09-25 2007-02-15 Sony Corp 電子機器
JP4748109B2 (ja) 2007-05-28 2011-08-17 ソニー株式会社 暗号化装置および方法、復号装置および方法、情報処理装置および方法、並びに情報再生装置
JP5336136B2 (ja) 2008-09-24 2013-11-06 株式会社ダイヘン 配電用自動電圧調整器
JP2010246158A (ja) 2010-07-13 2010-10-28 Sony Corp 暗号化装置および方法、並びに復号装置および方法
JP2012070430A (ja) 2011-12-07 2012-04-05 Sony Corp 復号装置および方法
JP2013017225A (ja) 2012-09-18 2013-01-24 Sony Corp 暗号化装置および方法
JP2014078589A (ja) 2012-10-10 2014-05-01 Aica Kogyo Co Ltd プリント基板およびその設計方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8140675B2 (en) 2004-01-15 2012-03-20 Panasonic Corporation Content reproduction apparatus

Also Published As

Publication number Publication date
CN1190033C (zh) 2005-02-16
US7242769B2 (en) 2007-07-10
EP2781986A1 (en) 2014-09-24
US7860248B2 (en) 2010-12-28
US6256391B1 (en) 2001-07-03
US8923511B2 (en) 2014-12-30
EP0875813A2 (en) 1998-11-04
CN1632710A (zh) 2005-06-29
US20030191956A1 (en) 2003-10-09
DE69836450T2 (de) 2007-09-13
CN100418317C (zh) 2008-09-10
EP1298517A1 (en) 2003-04-02
EP2781986B1 (en) 2015-10-14
US8594325B2 (en) 2013-11-26
HK1022060A1 (en) 2000-07-21
US20130236009A1 (en) 2013-09-12
EP0875813B1 (en) 2006-11-22
US20080013723A1 (en) 2008-01-17
US20120257744A1 (en) 2012-10-11
EP2998820B1 (en) 2017-05-31
EP2998820A1 (en) 2016-03-23
US20150381359A1 (en) 2015-12-31
CN1206272A (zh) 1999-01-27
ID20227A (id) 1998-10-29
US9467287B2 (en) 2016-10-11
KR19980081634A (ko) 1998-11-25
US7298842B2 (en) 2007-11-20
EP2781985B1 (en) 2015-10-21
DE69836450D1 (de) 2007-01-04
US8170206B2 (en) 2012-05-01
EP2781985A1 (en) 2014-09-24
EP1742137B1 (en) 2014-08-20
EP1742137A1 (en) 2007-01-10
US20060140402A1 (en) 2006-06-29
EP0875813A3 (en) 1999-09-01
US20070140484A1 (en) 2007-06-21
MY122244A (en) 2006-04-29
EP1742138A1 (en) 2007-01-10
EP2385439A1 (en) 2011-11-09
US7233665B1 (en) 2007-06-19
JPH10301492A (ja) 1998-11-13
EP1298517B1 (en) 2012-04-11
HK1080562A1 (en) 2006-04-28
US20100290619A1 (en) 2010-11-18
RU2239954C2 (ru) 2004-11-10
KR100466474B1 (ko) 2005-06-23

Similar Documents

Publication Publication Date Title
TW379308B (en) Coding apparatus and method, decoding apparatus and method and data processing device and method
US6976162B1 (en) Platform and method for establishing provable identities while maintaining privacy
KR100473536B1 (ko) 기기간통신의안전성을확보하는암호화장치및통신시스템
TWI357250B (en) Method and apparatus for transmitting data using a
TWI278212B (en) Multiple authentication sessions for content protection
JP2000236325A (ja) デジタルデータファイルの暗号化装置及びその方法
JPH11109856A (ja) 復号装置
KR20000060715A (ko) 멀티미디어 전송시스템의 저작권 보호 장치 및 방법
CN103237010B (zh) 以加密方式提供数字内容的服务器端
JP2001175605A5 (zh)
KR20020082422A (ko) 저작권 보호 시스템 및 보호 방법
KR20010093472A (ko) 컨텐츠 파일 암호화 및 복호화 장치
CN103237011B (zh) 数字内容加密传送方法以及服务器端
JP2005518769A5 (zh)
JP3575951B2 (ja) 機器認証方法及び装置並びに認証システム
JP3898796B2 (ja) 暗号化装置
JP4713745B2 (ja) 認証通信装置及び認証通信システム
JP2007049759A (ja) 暗号化装置
KR101790948B1 (ko) Drm 서비스 제공 장치 및 방법, drm 서비스를 이용한 콘텐츠 재생 장치 및 방법
KR101517312B1 (ko) 내장 기기에서의 정보 처리 장치, 및 정보 처리 방법
KR20090024482A (ko) 컨텐츠를 이용하기 위한 키 관리 시스템 및 그 방법
US20020001388A1 (en) High speed copy protection method
JP2002204228A (ja) コンテンツ配信装置、コンテンツ配信方法、コンテンツダウンロードプログラム、コンテンツダウンロード装置
JPH1049048A (ja) 暗号化データ作成方法及び装置
KR20040099941A (ko) 데이터 복제방지 장치와 시스템 및 복제방지 방법

Legal Events

Date Code Title Description
GD4A Issue of patent certificate for granted invention patent
MK4A Expiration of patent term of an invention patent