AU2009265724B2 - Methods and apparatuses for selective data encryption - Google Patents

Methods and apparatuses for selective data encryption Download PDF

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Publication number
AU2009265724B2
AU2009265724B2 AU2009265724A AU2009265724A AU2009265724B2 AU 2009265724 B2 AU2009265724 B2 AU 2009265724B2 AU 2009265724 A AU2009265724 A AU 2009265724A AU 2009265724 A AU2009265724 A AU 2009265724A AU 2009265724 B2 AU2009265724 B2 AU 2009265724B2
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AU
Australia
Prior art keywords
message
encrypted
length
key
encryption
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.)
Ceased
Application number
AU2009265724A
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English (en)
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AU2009265724A1 (en
Inventor
Frederic Lefebvre
Ayoub Massoudi
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.)
Thomson Licensing SAS
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Thomson Licensing SAS
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 Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of AU2009265724A1 publication Critical patent/AU2009265724A1/en
Application granted granted Critical
Publication of AU2009265724B2 publication Critical patent/AU2009265724B2/en
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H04L9/002—Countermeasures against attacks on cryptographic mechanisms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
    • 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
    • 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
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819—Key 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)
    • H04L9/0822—Key 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
    • 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
    • H04L2209/12—Details relating to cryptographic hardware or logic circuitry
    • 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
    • H04L2209/34—Encoding or coding, e.g. Huffman coding or error correction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Storage Device Security (AREA)
AU2009265724A 2008-06-30 2009-06-30 Methods and apparatuses for selective data encryption Ceased AU2009265724B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP08305364.5 2008-06-30
EP08305364A EP2141923A1 (en) 2008-06-30 2008-06-30 Methods and apparatuses for selective data encryption
PCT/EP2009/058161 WO2010000727A1 (en) 2008-06-30 2009-06-30 Methods and apparatuses for selective data encryption

Publications (2)

Publication Number Publication Date
AU2009265724A1 AU2009265724A1 (en) 2010-01-07
AU2009265724B2 true AU2009265724B2 (en) 2013-07-18

Family

ID=40566230

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2009265724A Ceased AU2009265724B2 (en) 2008-06-30 2009-06-30 Methods and apparatuses for selective data encryption

Country Status (10)

Country Link
US (1) US8625791B2 (enExample)
EP (2) EP2141923A1 (enExample)
JP (1) JP5615273B2 (enExample)
KR (1) KR101578055B1 (enExample)
CN (1) CN102077592A (enExample)
AU (1) AU2009265724B2 (enExample)
CA (1) CA2728687A1 (enExample)
MX (1) MX2010013710A (enExample)
RU (1) RU2505931C2 (enExample)
WO (1) WO2010000727A1 (enExample)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2403244A1 (en) 2010-07-01 2012-01-04 Thomson Licensing Secure encryption method for electronic content distribution
EP2568711A1 (en) 2011-09-12 2013-03-13 Thomson Licensing Methods and devices for selective format-preserving data encryption
EP2611064A1 (en) 2011-12-29 2013-07-03 Thomson Licensing Method for selectively scrambling bit-streams
WO2013114166A1 (en) * 2012-02-01 2013-08-08 Nds Limited Known plaintext attack protection
US9066117B2 (en) * 2012-02-08 2015-06-23 Vixs Systems, Inc Container agnostic encryption device and methods for use therewith
US20130259395A1 (en) * 2012-03-30 2013-10-03 Pascal Massimino System and Method of Manipulating a JPEG Header
DE102013106121A1 (de) * 2013-06-12 2014-12-18 Appbyyou Gmbh Verfahren zur Verschlüsselung von Daten
US9794230B2 (en) * 2013-07-20 2017-10-17 Ittiam Systems (P) Ltd. Method and system for encrypting multimedia streams
RU2666326C2 (ru) * 2014-07-29 2018-09-06 Хуавей Текнолоджиз Ко., Лтд. Устройство и способ шифрования и передачи данных
KR102287946B1 (ko) * 2014-09-05 2021-08-09 삼성전자주식회사 데이터 암호화 방법 및 장치
US9672025B2 (en) 2014-12-10 2017-06-06 Ford Global Technologies, Llc Encryption for telematics flashing of a vehicle
US9688244B2 (en) 2015-06-15 2017-06-27 Ford Global Technologies, Llc Autonomous vehicle theft prevention
EP3654576B1 (en) * 2018-11-16 2021-07-28 Siemens Aktiengesellschaft Computer-implemented method for error-correction-encoding and encrypting of a file
US11399286B2 (en) * 2019-08-20 2022-07-26 Qualcomm Incorporated Scrambling for wireless communications
US11363059B2 (en) * 2019-12-13 2022-06-14 Microsoft Technology Licensing, Llc Detection of brute force attacks
US20210152530A1 (en) * 2020-12-22 2021-05-20 Praveen Prasad Nair Tiered access to regions of interest in video frames
CN112865961B (zh) * 2021-01-06 2022-04-29 湖南遥昇通信技术有限公司 一种基于加权概率模型的对称加密方法、系统和设备
CN115297363B (zh) * 2022-10-09 2022-12-27 南通商翼信息科技有限公司 基于霍夫曼编码的视频数据加密传输方法
CN119210904B (zh) * 2024-11-27 2025-03-21 上海芯力基半导体有限公司 一种网络安全数据处理系统及交换机

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010033656A1 (en) * 2000-01-31 2001-10-25 Vdg, Inc. Block encryption method and schemes for data confidentiality and integrity protection
US20030231767A1 (en) * 2002-04-12 2003-12-18 Hewlett-Packard Development Company, L.P. Efficient encryption of image data
US20040028227A1 (en) * 2002-08-08 2004-02-12 Yu Hong Heather Partial encryption of stream-formatted media

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
SE513356C2 (sv) * 1998-11-20 2000-08-28 Ericsson Telefon Ab L M Förfarande och anordning för kryptering av bilder
US7165175B1 (en) * 2000-09-06 2007-01-16 Widevine Technologies, Inc. Apparatus, system and method for selectively encrypting different portions of data sent over a network
US7215770B2 (en) * 2002-01-02 2007-05-08 Sony Corporation System and method for partially encrypted multimedia stream
JP4371663B2 (ja) 2003-01-14 2009-11-25 キヤノン株式会社 情報処理装置、情報処理方法
US7634002B2 (en) * 2003-11-26 2009-12-15 Hewlett-Packard Development Company, L.P. Method and apparatus for updating sequences in a bitstream
ES2345388T3 (es) * 2004-02-12 2010-09-22 Irdeto Access B.V. Metodo y sistema de almacenamiento de datos externo.
SG138452A1 (en) * 2004-05-18 2008-01-28 Victor Company Of Japan Content presentation
JP4237131B2 (ja) * 2004-11-29 2009-03-11 株式会社日立国際電気 暗号化データ通信装置
RU2007144588A (ru) * 2005-06-03 2009-06-10 Конинклейке Филипс Электроникс Н.В. (Nl) Гомоморфное шифрование для защиты водяного знака
JP4846449B2 (ja) 2006-05-23 2011-12-28 サンデン株式会社 通信機器用の接続装置
US8239680B2 (en) * 2006-07-26 2012-08-07 Japan Science And Technology Agency Secret communication method and secret communication device thereof
JP2008048050A (ja) * 2006-08-11 2008-02-28 Hitachi Kokusai Electric Inc 暗号化データ通信システム
JP2008147926A (ja) 2006-12-08 2008-06-26 Nippon Telegr & Teleph Corp <Ntt> 暗号化装置および復号化装置および方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010033656A1 (en) * 2000-01-31 2001-10-25 Vdg, Inc. Block encryption method and schemes for data confidentiality and integrity protection
US20030231767A1 (en) * 2002-04-12 2003-12-18 Hewlett-Packard Development Company, L.P. Efficient encryption of image data
US20040028227A1 (en) * 2002-08-08 2004-02-12 Yu Hong Heather Partial encryption of stream-formatted media

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
KUNKELMANN T ET AL: "A scalable security architecture for multimedia communication standards" MULTIMEDIA COMPUTING AND SYSTEMS '97. PROCEEDINGS., IEEE INTERNATIONAL CONFERENCE ON OTTAWA, ONT., CANADA 3-6 JUNE 1997, pages 660-661. *
SCHNEIER B: APPLIED CRYPTOGRAPHY, SECOND EDITION, PROTOCOLS, ALGORITHMS, AND SOURCE CODE IN C. JOHN WILEY & SONS, INC, NEW YORK, 1996, pages 270-277. *

Also Published As

Publication number Publication date
EP2141923A1 (en) 2010-01-06
EP2297948A1 (en) 2011-03-23
WO2010000727A1 (en) 2010-01-07
MX2010013710A (es) 2011-02-15
CA2728687A1 (en) 2010-01-07
CN102077592A (zh) 2011-05-25
AU2009265724A1 (en) 2010-01-07
RU2011103192A (ru) 2012-08-10
US8625791B2 (en) 2014-01-07
US20110119480A1 (en) 2011-05-19
JP5615273B2 (ja) 2014-10-29
KR20110040779A (ko) 2011-04-20
JP2011526697A (ja) 2011-10-13
KR101578055B1 (ko) 2015-12-16
RU2505931C2 (ru) 2014-01-27

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Date Code Title Description
FGA Letters patent sealed or granted (standard patent)
MK14 Patent ceased section 143(a) (annual fees not paid) or expired