BRPI0906829A2 - Método e aparelho para criptografia de dados seletiva - Google Patents

Método e aparelho para criptografia de dados seletiva

Info

Publication number
BRPI0906829A2
BRPI0906829A2 BRPI0906829-5A BRPI0906829A BRPI0906829A2 BR PI0906829 A2 BRPI0906829 A2 BR PI0906829A2 BR PI0906829 A BRPI0906829 A BR PI0906829A BR PI0906829 A2 BRPI0906829 A2 BR PI0906829A2
Authority
BR
Brazil
Prior art keywords
data encryption
selective data
selective
encryption
data
Prior art date
Application number
BRPI0906829-5A
Other languages
English (en)
Inventor
Ayoub Massoudi
Frederic Lefebvre
Alain Durand
Original Assignee
Thomson Licensing
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 filed Critical Thomson Licensing
Publication of BRPI0906829A2 publication Critical patent/BRPI0906829A2/pt

Links

Classifications

    • 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
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/467—Embedding additional information in the video signal during the compression process characterised by the embedded information being invisible, e.g. watermarking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
    • 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
    • H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
    • 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
    • H04L9/0838—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these
    • H04L9/0841—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these involving Diffie-Hellman or related key agreement protocols
    • H04L9/0844—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these involving Diffie-Hellman or related key agreement protocols with user authentication or key authentication, e.g. ElGamal, MTI, MQV-Menezes-Qu-Vanstone protocol or Diffie-Hellman protocols using implicitly-certified keys
    • 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
    • H04L9/3247—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 involving digital signatures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
BRPI0906829-5A 2008-01-17 2009-01-16 Método e aparelho para criptografia de dados seletiva BRPI0906829A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP08300035 2008-01-17
EP08300093A EP2081381A1 (en) 2008-01-17 2008-02-14 Method and apparatus for selective data encryption
PCT/EP2009/050521 WO2009090258A1 (en) 2008-01-17 2009-01-16 Method and apparatus for selective data encryption

Publications (1)

Publication Number Publication Date
BRPI0906829A2 true BRPI0906829A2 (pt) 2015-07-14

Family

ID=40532259

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0906829-5A BRPI0906829A2 (pt) 2008-01-17 2009-01-16 Método e aparelho para criptografia de dados seletiva

Country Status (10)

Country Link
US (1) US20120063595A1 (pt)
EP (2) EP2081381A1 (pt)
JP (1) JP5437271B2 (pt)
KR (1) KR101554648B1 (pt)
CN (1) CN101911684B (pt)
BR (1) BRPI0906829A2 (pt)
CA (1) CA2711716C (pt)
MX (1) MX2010007630A (pt)
RU (1) RU2518392C2 (pt)
WO (1) WO2009090258A1 (pt)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102012993B (zh) * 2010-11-29 2012-07-11 北京卓微天成科技咨询有限公司 一种数据选择加密解密方法及装置
US8612743B2 (en) * 2011-07-26 2013-12-17 The Boeing Company Wireless network security
US9119077B2 (en) 2011-07-26 2015-08-25 The Boeing Company Wireless network security
EP2568711A1 (en) 2011-09-12 2013-03-13 Thomson Licensing Methods and devices for selective format-preserving data encryption
WO2013080096A1 (en) * 2011-11-29 2013-06-06 Sony Mobile Communications Ab System and method for providing secure inter-process communications
CN102523441B (zh) * 2011-12-22 2014-04-02 北京工业大学 基于比特敏感度的h.264压缩域比特平面加密方法
US10091218B2 (en) 2012-01-23 2018-10-02 Hrl Laboratories, Llc System and method to detect attacks on mobile wireless networks based on network controllability analysis
US10003985B1 (en) * 2012-01-23 2018-06-19 Hrl Laboratories, Llc System and method for determining reliability of nodes in mobile wireless network
US9088805B2 (en) * 2012-02-08 2015-07-21 Vixs Systems, Inc. Encrypted memory device and methods for use therewith
EP2642744A1 (en) 2012-03-19 2013-09-25 Nagravision S.A. Method and system for scrambling and descrambling a digital image
US9794230B2 (en) * 2013-07-20 2017-10-17 Ittiam Systems (P) Ltd. Method and system for encrypting multimedia streams
KR101506934B1 (ko) * 2014-04-10 2015-04-08 충남대학교산학협력단 이미지 암호화 장치 및 그것의 이미지 암호화 방법
GB2535737B (en) * 2015-02-25 2021-08-04 Advanced Risc Mach Ltd Tracing the data processing activities of a data processing apparatus
US9516359B2 (en) * 2015-04-07 2016-12-06 Divx, Llc Session based watermarking of media content using encrypted content streams
KR20170032776A (ko) * 2015-09-15 2017-03-23 삼성전자주식회사 선택적으로 영상을 암호화하는 영상 처리 장치 및 영상 처리 방법
RU2695492C1 (ru) * 2018-09-12 2019-07-23 Общество с ограниченной ответственностью "ХайТэк" Модуль защищенной аудиосвязи для ip-телефона
KR102244382B1 (ko) * 2019-06-13 2021-04-26 숭실대학교산학협력단 Wave-chaos 기반 무선 신호 전송의 물리적 암호화 시스템
CN110795762B (zh) * 2019-10-30 2023-04-11 贵州大学 基于流密码的保留格式加密方法
RU198678U1 (ru) * 2019-12-31 2020-07-22 Федеральное государственное казенное военное образовательное учреждение высшего образования "Краснодарское высшее военное орденов Жукова и Октябрьской Революции Краснознаменное училище имени генерала армии С.М.Штеменко" Министерства обороны Российской Федерации Устройство адаптивного сжатия и выборочного шифрования данных цифрового изображения

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4018335B2 (ja) * 2000-01-05 2007-12-05 キヤノン株式会社 画像復号装置及び画像復号方法
JP2001211164A (ja) * 2000-01-27 2001-08-03 Victor Co Of Japan Ltd 画像符号化方式
WO2002032147A1 (en) * 2000-10-11 2002-04-18 Koninklijke Philips Electronics N.V. Scalable coding of multi-media objects
JP2003153228A (ja) * 2001-11-15 2003-05-23 Sony Corp 画像符号化装置及び画像復号化装置
KR20050084303A (ko) * 2002-12-16 2005-08-26 코닌클리케 필립스 일렉트로닉스 엔.브이. 비디오 데이터 스트림의 암호화 방법 및 장치

Also Published As

Publication number Publication date
MX2010007630A (es) 2010-08-06
EP2081381A1 (en) 2009-07-22
EP2255532B1 (en) 2016-10-19
CA2711716C (en) 2016-07-12
JP5437271B2 (ja) 2014-03-12
CN101911684A (zh) 2010-12-08
EP2255532A1 (en) 2010-12-01
RU2010134365A (ru) 2012-02-27
CA2711716A1 (en) 2009-07-23
KR101554648B1 (ko) 2015-09-21
KR20100102155A (ko) 2010-09-20
WO2009090258A1 (en) 2009-07-23
RU2518392C2 (ru) 2014-06-10
US20120063595A1 (en) 2012-03-15
JP2011510552A (ja) 2011-03-31
CN101911684B (zh) 2013-07-24

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Legal Events

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B08F Application fees: dismissal - article 86 of industrial property law

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B08K Lapse as no evidence of payment of the annual fee has been furnished to inpi (acc. art. 87)

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2497 DE 13-11-2018 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.