KR101578055B1 - 선택적 데이터 암호화를 위한 방법 및 장치 - Google Patents

선택적 데이터 암호화를 위한 방법 및 장치 Download PDF

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KR101578055B1
KR101578055B1 KR1020107029039A KR20107029039A KR101578055B1 KR 101578055 B1 KR101578055 B1 KR 101578055B1 KR 1020107029039 A KR1020107029039 A KR 1020107029039A KR 20107029039 A KR20107029039 A KR 20107029039A KR 101578055 B1 KR101578055 B1 KR 101578055B1
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South Korea
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message
length
encrypted
bits
key
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Korean (ko)
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KR20110040779A (ko
Inventor
에이욥 마쏘우디
프레데릭 레페브레
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톰슨 라이센싱
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    • 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

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  • 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)
KR1020107029039A 2008-06-30 2009-06-30 선택적 데이터 암호화를 위한 방법 및 장치 Expired - Fee Related KR101578055B1 (ko)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
KR20110040779A KR20110040779A (ko) 2011-04-20
KR101578055B1 true KR101578055B1 (ko) 2015-12-16

Family

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KR1020107029039A Expired - Fee Related KR101578055B1 (ko) 2008-06-30 2009-06-30 선택적 데이터 암호화를 위한 방법 및 장치

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
US9088805B2 (en) * 2012-02-08 2015-07-21 Vixs Systems, Inc. Encrypted memory 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
CN105531951A (zh) * 2014-07-29 2016-04-27 华为技术有限公司 数据加密传输方法和装置
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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JP2004219669A (ja) 2003-01-14 2004-08-05 Canon Inc 情報処理方法
JP2007318212A (ja) 2006-05-23 2007-12-06 Sanden Corp 通信機器用の接続装置
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

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JP2004219669A (ja) 2003-01-14 2004-08-05 Canon Inc 情報処理方法
JP2007318212A (ja) 2006-05-23 2007-12-06 Sanden Corp 通信機器用の接続装置
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

Also Published As

Publication number Publication date
MX2010013710A (es) 2011-02-15
AU2009265724B2 (en) 2013-07-18
US20110119480A1 (en) 2011-05-19
WO2010000727A1 (en) 2010-01-07
CN102077592A (zh) 2011-05-25
EP2141923A1 (en) 2010-01-06
EP2297948A1 (en) 2011-03-23
RU2011103192A (ru) 2012-08-10
KR20110040779A (ko) 2011-04-20
JP2011526697A (ja) 2011-10-13
RU2505931C2 (ru) 2014-01-27
US8625791B2 (en) 2014-01-07
CA2728687A1 (en) 2010-01-07
JP5615273B2 (ja) 2014-10-29
AU2009265724A1 (en) 2010-01-07

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