DE60210007D1 - Verschlüsselungsvorrichtung, Vorrichtung zum Zuweisen einer Authentifizierungsinformation, Verschlüsselungsverfahren, sowie Verfahren zum Zuweisen einer Authentifizierungsinformation - Google Patents

Verschlüsselungsvorrichtung, Vorrichtung zum Zuweisen einer Authentifizierungsinformation, Verschlüsselungsverfahren, sowie Verfahren zum Zuweisen einer Authentifizierungsinformation

Info

Publication number
DE60210007D1
DE60210007D1 DE60210007T DE60210007T DE60210007D1 DE 60210007 D1 DE60210007 D1 DE 60210007D1 DE 60210007 T DE60210007 T DE 60210007T DE 60210007 T DE60210007 T DE 60210007T DE 60210007 D1 DE60210007 D1 DE 60210007D1
Authority
DE
Germany
Prior art keywords
authentication information
encryption
assigning authentication
assigning
encryption method
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 - Fee Related
Application number
DE60210007T
Other languages
English (en)
Other versions
DE60210007T2 (de
Inventor
Takeshi Yoshimura
Takashi Suzuki
Toshiro Kawahara
Minoru Etoh
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.)
NTT Docomo Inc
Original Assignee
NTT Docomo Inc
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 NTT Docomo Inc filed Critical NTT Docomo Inc
Publication of DE60210007D1 publication Critical patent/DE60210007D1/de
Application granted granted Critical
Publication of DE60210007T2 publication Critical patent/DE60210007T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04L9/32—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
    • 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
    • H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H04L9/065—Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption
    • H04N21/23476—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption by partially encrypting, e.g. encrypting the ending portion of a movie
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream decryption
    • H04N21/44055—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream decryption by partially decrypting, e.g. decrypting a video stream that has been partially encrypted
    • 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
    • H04L2209/20—Manipulating the length of blocks of bits, e.g. padding or block truncation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Storage Device Security (AREA)
DE60210007T 2001-01-12 2002-01-10 Verschlüsselungsvorrichtung, Vorrichtung zum Zuweisen einer Authentifizierungsinformation, Verschlüsselungsverfahren, sowie Verfahren zum Zuweisen einer Authentifizierungsinformation Expired - Fee Related DE60210007T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001005147A JP2002208922A (ja) 2001-01-12 2001-01-12 暗号化装置および復号装置ならびに認証情報付与装置、暗号化方法、復号方法、認証情報付与方法
JP2001005147 2001-01-12

Publications (2)

Publication Number Publication Date
DE60210007D1 true DE60210007D1 (de) 2006-05-11
DE60210007T2 DE60210007T2 (de) 2006-08-24

Family

ID=18873231

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60210007T Expired - Fee Related DE60210007T2 (de) 2001-01-12 2002-01-10 Verschlüsselungsvorrichtung, Vorrichtung zum Zuweisen einer Authentifizierungsinformation, Verschlüsselungsverfahren, sowie Verfahren zum Zuweisen einer Authentifizierungsinformation

Country Status (7)

Country Link
US (1) US20020118828A1 (de)
EP (1) EP1223706B1 (de)
JP (1) JP2002208922A (de)
KR (1) KR100455710B1 (de)
CN (1) CN1204711C (de)
DE (1) DE60210007T2 (de)
SG (1) SG126687A1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2004071037A1 (ja) * 2003-02-04 2006-06-01 松下電器産業株式会社 通信システム及び当該通信システムを構成する通信制御サーバ及び通信端末
US20040268123A1 (en) * 2003-06-27 2004-12-30 Nokia Corporation Security for protocol traversal
KR100871263B1 (ko) 2004-01-20 2008-11-28 삼성전자주식회사 멀티미디어 방송캐스트/멀티캐스트 서비스를 지원하는 이동통신시스템에서 암호화에 따른 멀티미디어 방송캐스트/멀티캐스트 서비스 데이터 패킷 송/수신 방법
US20070177491A1 (en) * 2004-06-14 2007-08-02 Matsushita Electric Industrial Co., Ltd. Content use method and content recording device
US20060041741A1 (en) * 2004-08-23 2006-02-23 Nokia Corporation Systems and methods for IP level decryption
JP4631423B2 (ja) * 2004-12-13 2011-02-16 沖電気工業株式会社 メッセージの認証方法と該認証方法を用いたメッセージ認証装置およびメッセージ認証システム
US7747013B2 (en) * 2005-02-24 2010-06-29 Mitel Networks Corporation Early detection system and method for encrypted signals within packet networks
US7873166B2 (en) * 2005-09-13 2011-01-18 Avaya Inc. Method for undetectably impeding key strength of encryption usage for products exported outside the U.S
CN101110667B (zh) * 2006-07-19 2012-05-23 华为技术有限公司 用户认证方法和用户认证系统
KR100897449B1 (ko) * 2007-05-04 2009-05-14 (주)케이티에프테크놀로지스 휴대용 단말기 및 이에 있어서 보안 기능 제공 방법
KR101412747B1 (ko) * 2007-07-18 2014-07-01 삼성전자주식회사 데이터를 인증하는 방법 및 상기 방법을 수행하는 시스템
US8417942B2 (en) * 2007-08-31 2013-04-09 Cisco Technology, Inc. System and method for identifying encrypted conference media traffic
US8837598B2 (en) * 2007-12-28 2014-09-16 Cisco Technology, Inc. System and method for securely transmitting video over a network
US20090169001A1 (en) * 2007-12-28 2009-07-02 Cisco Technology, Inc. System and Method for Encryption and Secure Transmission of Compressed Media
JP5556659B2 (ja) * 2008-08-29 2014-07-23 日本電気株式会社 通信システム、送信側及び受信又は転送側の通信装置、データ通信方法、データ通信プログラム
KR101757559B1 (ko) * 2015-12-16 2017-07-13 한동대학교 산학협력단 압축 영상의 고속 처리 및 암호화 방법 및 시스템
WO2023026065A1 (en) * 2021-08-27 2023-03-02 Blackbird Plc Methods of encrypting a multimedia file, methods of decrypting an encrypted multimedia file; computer program products and apparatus
WO2024018166A1 (en) * 2022-07-22 2024-01-25 Blackbird Plc Computer-implemented methods of blurring a digital image; computer terminals and computer program products

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4159468A (en) * 1977-11-17 1979-06-26 Burroughs Corporation Communications line authentication device
JPH0556034A (ja) * 1991-08-23 1993-03-05 Nec Corp デイジタル通信装置
US5444782A (en) * 1993-03-09 1995-08-22 Uunet Technologies, Inc. Computer network encryption/decryption device
KR0155798B1 (ko) * 1995-01-27 1998-12-15 김광호 음성신호 부호화 및 복호화 방법
JP3687181B2 (ja) * 1996-04-15 2005-08-24 ソニー株式会社 有声音／無声音判定方法及び装置、並びに音声符号化方法
KR100190157B1 (ko) * 1996-04-30 1999-06-01 니시무로 타이죠 암호화 장치 및 암호화 방법
JPH10145773A (ja) * 1996-11-14 1998-05-29 Toshiba Corp 動画像データの暗号化方法およびその方法が適用されるコンピュータシステム並びに動画像データ符号化／復号化装置
US6175924B1 (en) * 1997-06-20 2001-01-16 International Business Machines Corp. Method and apparatus for protecting application data in secure storage areas

Also Published As

Publication number Publication date
CN1366395A (zh) 2002-08-28
EP1223706A3 (de) 2003-02-12
KR100455710B1 (ko) 2004-11-06
JP2002208922A (ja) 2002-07-26
EP1223706A2 (de) 2002-07-17
EP1223706B1 (de) 2006-03-22
KR20020061115A (ko) 2002-07-22
SG126687A1 (en) 2006-11-29
DE60210007T2 (de) 2006-08-24
CN1204711C (zh) 2005-06-01
US20020118828A1 (en) 2002-08-29

Similar Documents

Publication Publication Date Title
DE60311200D1 (de) Vorrichtung und Verfahren zum Bereitstellen von Authentifizierungsinformationen für eine sichere Gruppenkommunikation
DE60210007D1 (de) Verschlüsselungsvorrichtung, Vorrichtung zum Zuweisen einer Authentifizierungsinformation, Verschlüsselungsverfahren, sowie Verfahren zum Zuweisen einer Authentifizierungsinformation
DE60121066D1 (de) Angriffsresistente kryptographische Verfahren und Vorrichtung
DE60226674D1 (de) Verfahren und Vorrichtung zur Ausrüstung von Bohrlöchern
DE60119410D1 (de) Vorrichtung und Verfahren zur Blockverschlüsselung und zur Entschlüsselung
DE60029390D1 (de) Verfahren und Vorrichtung zur Verschlüsselung/Entschlüsselung sowie Identifikationssysteme
DE60333327D1 (de) Verfahren, System und Vorrichtung zum Authentifizieren eines elektronischen Wertes
DE60228918D1 (de) System, Verfahren, Vorrichtung und Programm zur Informationsverarbeitung
DE60125451T8 (de) Verfahren und Vorrichtung zum Color-Management, und Bilddatenverarbeitungs-Einrichtung
DE60236167D1 (de) Vorrichtung und verfahren zum multiplexen von sprühvorrichtungen in einer electrospray-ionenquelle
DE60207175D1 (de) System und Verfahren zur Authentifizierung
DE602004016910D1 (de) System und Verfahren zum Authentifizieren von Fingerbabdrücken
DE60217171D1 (de) Verfahren, System und Vorrichtung zur Datenübertragung
DE60222730D1 (de) Verfahren und Vorrichtung zum Ausführen von Aufgaben
DE60122612D1 (de) System, Verfahren und Vorrichtung zur Authentifizierung
DE69906037T2 (de) Verfahren und Vorrichtung zur Datenverschlüsselung
DE60323015D1 (de) Vorrichtung und Verfahren zum Gewinnen von Röntgenstrahlendaten
DE60207511D1 (de) Verfahren und Vorrichtung zur Verschlüsselung und Entschlüsselung einer Information
DE60221850D1 (de) Verfahren und vorrichtung zur datenverschlüsselung
DE60206447D1 (de) Verfahren und Vorrichtung zum Ausbalancieren von Superkapazitäten
DE60214627D1 (de) Verfahren und Vorrichtung zur Bitratenkonversion
DE69925482D1 (de) Verfahren, einrichtung und gerät zur authentifizierung
DE60310179D1 (de) Bildformendes Verfahren, sowie bildformender Apparat
DE60212248D1 (de) Informationssicherheitsvorrichtung, Vorrichtung und Verfahren zur Erzeugung einer Primzahl
DE60220118D1 (de) Vorrichtung, Verfahren und Programm zum Vergleichen von Mustern

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee