RU2505931C2 - Способы и устройства выборочного шифрования данных - Google Patents

Способы и устройства выборочного шифрования данных Download PDF

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Publication number
RU2505931C2
RU2505931C2 RU2011103192/08A RU2011103192A RU2505931C2 RU 2505931 C2 RU2505931 C2 RU 2505931C2 RU 2011103192/08 A RU2011103192/08 A RU 2011103192/08A RU 2011103192 A RU2011103192 A RU 2011103192A RU 2505931 C2 RU2505931 C2 RU 2505931C2
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RU
Russia
Prior art keywords
message
length
encrypted
key
bits
Prior art date
Application number
RU2011103192/08A
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English (en)
Russian (ru)
Other versions
RU2011103192A (ru
Inventor
Айуб МАССУДИ
Фредерик ЛЕФЕВР
Original Assignee
Томсон Лайсенсинг
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Application filed by Томсон Лайсенсинг filed Critical Томсон Лайсенсинг
Publication of RU2011103192A publication Critical patent/RU2011103192A/ru
Application granted granted Critical
Publication of RU2505931C2 publication Critical patent/RU2505931C2/ru

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    • 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
    • H04L9/002—Countermeasures against attacks on cryptographic mechanisms
    • 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)
RU2011103192/08A 2008-06-30 2009-06-30 Способы и устройства выборочного шифрования данных RU2505931C2 (ru)

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
RU2011103192A RU2011103192A (ru) 2012-08-10
RU2505931C2 true RU2505931C2 (ru) 2014-01-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU2011103192/08A RU2505931C2 (ru) 2008-06-30 2009-06-30 Способы и устройства выборочного шифрования данных

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)

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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

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US20010033656A1 (en) * 2000-01-31 2001-10-25 Vdg, Inc. Block encryption method and schemes for data confidentiality and integrity protection
WO2002021761A2 (en) * 2000-09-06 2002-03-14 Widevine Technologies, Inc. Apparatus and method for selectively encrypting different the payload portion of multimedia data sent over a network
WO2005029756A2 (en) * 2003-03-31 2005-03-31 Sony Electronics, Inc. System and method for partially encrypted multimedia stream
RU2005103708A (ru) * 2004-02-12 2006-07-20 Ирдето Эксесс Б.В. (Nl) Способ и система внешнего хранения данных
WO2006129293A1 (en) * 2005-06-03 2006-12-07 Koninklijke Philips Electronics N.V. Homomorphic encryption for secure watermarking

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US20010033656A1 (en) * 2000-01-31 2001-10-25 Vdg, Inc. Block encryption method and schemes for data confidentiality and integrity protection
WO2002021761A2 (en) * 2000-09-06 2002-03-14 Widevine Technologies, Inc. Apparatus and method for selectively encrypting different the payload portion of multimedia data sent over a network
WO2005029756A2 (en) * 2003-03-31 2005-03-31 Sony Electronics, Inc. System and method for partially encrypted multimedia stream
RU2005103708A (ru) * 2004-02-12 2006-07-20 Ирдето Эксесс Б.В. (Nl) Способ и система внешнего хранения данных
WO2006129293A1 (en) * 2005-06-03 2006-12-07 Koninklijke Philips Electronics N.V. Homomorphic encryption for secure watermarking

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
AU2009265724B2 (en) 2013-07-18
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

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MM4A The patent is invalid due to non-payment of fees

Effective date: 20190701