ZA200608879B - Methods of scrambling and descrambling units of data - Google Patents

Methods of scrambling and descrambling units of data

Info

Publication number
ZA200608879B
ZA200608879B ZA200608879A ZA200608879A ZA200608879B ZA 200608879 B ZA200608879 B ZA 200608879B ZA 200608879 A ZA200608879 A ZA 200608879A ZA 200608879 A ZA200608879 A ZA 200608879A ZA 200608879 B ZA200608879 B ZA 200608879B
Authority
ZA
South Africa
Prior art keywords
blocks
data
sequence
sequences
scrambling
Prior art date
Application number
ZA200608879A
Other languages
English (en)
Inventor
De Ven Antonius Johannes Petrus Maria Van
Original Assignee
Irdeto Access Bv
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 Irdeto Access Bv filed Critical Irdeto Access Bv
Publication of ZA200608879B publication Critical patent/ZA200608879B/xx

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
    • H04L9/06—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
    • H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
    • H04L9/0637—Modes of operation, e.g. cipher block chaining [CBC], electronic codebook [ECB] or Galois/counter mode [GCM]
    • 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
    • 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
    • H04N21/4408—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 encryption, e.g. re-encrypting a decrypted video stream for redistribution in a home network
    • 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
    • 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
    • H04L2209/60—Digital content management, e.g. content distribution
    • H04L2209/601—Broadcast encryption

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)
  • Storage Device Security (AREA)
  • Error Detection And Correction (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Reverberation, Karaoke And Other Acoustics (AREA)
ZA200608879A 2005-11-08 2006-10-25 Methods of scrambling and descrambling units of data ZA200608879B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05110495A EP1783948B1 (de) 2005-11-08 2005-11-08 Verfahren zur Ver- und Entwürfelung von Daten

Publications (1)

Publication Number Publication Date
ZA200608879B true ZA200608879B (en) 2009-02-25

Family

ID=36204375

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200608879A ZA200608879B (en) 2005-11-08 2006-10-25 Methods of scrambling and descrambling units of data

Country Status (16)

Country Link
US (1) US8300812B2 (de)
EP (2) EP2015506B1 (de)
JP (1) JP4976107B2 (de)
KR (1) KR101345569B1 (de)
CN (1) CN1992589B (de)
AT (2) ATE495600T1 (de)
AU (1) AU2006235899B2 (de)
BR (1) BRPI0604544A (de)
CA (1) CA2567229C (de)
DE (2) DE602005022001D1 (de)
ES (1) ES2376818T3 (de)
MX (1) MXPA06012926A (de)
MY (1) MY146334A (de)
RU (1) RU2439668C2 (de)
TW (1) TW200835340A (de)
ZA (1) ZA200608879B (de)

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US8538012B2 (en) * 2007-03-14 2013-09-17 Intel Corporation Performing AES encryption or decryption in multiple modes with a single instruction
EP2192773A1 (de) * 2008-12-01 2010-06-02 Irdeto Access B.V. Inhaltsverschlüsselungsvorrichtung und Verschlüsselungssystem mit einer zusätzlichen Schlüsselschicht
KR101066661B1 (ko) * 2009-10-27 2011-09-22 한국조폐공사 스마트 카드 데이터 암호화 방법
US8938619B2 (en) 2010-12-29 2015-01-20 Adobe Systems Incorporated System and method for decrypting content samples including distinct encryption chains
JP2013011702A (ja) * 2011-06-28 2013-01-17 Dainippon Printing Co Ltd 暗号化方法、暗号化プログラム、暗号化装置、復号方法、復号プログラム、復号装置
US9038194B2 (en) * 2011-11-30 2015-05-19 Red Hat, Inc. Client-side encryption in a distributed environment
US8879731B2 (en) * 2011-12-02 2014-11-04 Adobe Systems Incorporated Binding of protected video content to video player with block cipher hash
US8903088B2 (en) 2011-12-02 2014-12-02 Adobe Systems Incorporated Binding of protected video content to video player with encryption key
US20150113286A1 (en) * 2012-03-21 2015-04-23 Irdeto Canada Corporation Method and system for chain transformation
US9425959B1 (en) * 2012-10-03 2016-08-23 Altera Corporation Security variable scrambling
US9064318B2 (en) 2012-10-25 2015-06-23 Adobe Systems Incorporated Image matting and alpha value techniques
US10638221B2 (en) 2012-11-13 2020-04-28 Adobe Inc. Time interval sound alignment
US9355649B2 (en) 2012-11-13 2016-05-31 Adobe Systems Incorporated Sound alignment using timing information
US9201580B2 (en) 2012-11-13 2015-12-01 Adobe Systems Incorporated Sound alignment user interface
US9076205B2 (en) 2012-11-19 2015-07-07 Adobe Systems Incorporated Edge direction and curve based image de-blurring
US10249321B2 (en) 2012-11-20 2019-04-02 Adobe Inc. Sound rate modification
US8897588B2 (en) 2012-11-20 2014-11-25 Adobe Systems Incorporated Data-driven edge-based image de-blurring
US9451304B2 (en) 2012-11-29 2016-09-20 Adobe Systems Incorporated Sound feature priority alignment
US10455219B2 (en) 2012-11-30 2019-10-22 Adobe Inc. Stereo correspondence and depth sensors
US9135710B2 (en) 2012-11-30 2015-09-15 Adobe Systems Incorporated Depth map stereo correspondence techniques
US10249052B2 (en) 2012-12-19 2019-04-02 Adobe Systems Incorporated Stereo correspondence model fitting
US9208547B2 (en) 2012-12-19 2015-12-08 Adobe Systems Incorporated Stereo correspondence smoothness tool
US9214026B2 (en) 2012-12-20 2015-12-15 Adobe Systems Incorporated Belief propagation and affinity measures
CN104637039B (zh) * 2013-11-07 2020-07-07 深圳市腾讯计算机系统有限公司 一种图片处理的方法及装置
US9386067B2 (en) * 2013-12-30 2016-07-05 Sonic Ip, Inc. Systems and methods for playing adaptive bitrate streaming content by multicast
TWI554908B (zh) 2015-11-03 2016-10-21 澧達科技股份有限公司 資料加密系統
SG11201809115RA (en) * 2016-04-29 2018-11-29 Nchain Holdings Ltd Implementing logic gate functionality using a blockchain
US11330465B2 (en) 2016-05-11 2022-05-10 Huawei Technologies Co., Ltd. Method and apparatus for indicating control information in a wireless frame
JP7198012B2 (ja) * 2018-07-31 2022-12-28 キヤノン株式会社 通信装置、制御方法、及びプログラム
US12010066B2 (en) * 2019-07-16 2024-06-11 Nokia Technologies Oy Apparatus, method, and computer program for scrambling a transport blocked based on whether a previous transport block was successfully received
US11646804B2 (en) 2019-08-06 2023-05-09 John C. S. Koo Light-based data encoding and/or decoding device
CN111031322B (zh) * 2019-10-24 2021-09-28 五邑大学 自同步混沌流密码的bmp图像加解密方法和设备
CN114095153B (zh) * 2020-08-05 2024-12-17 迈络思科技有限公司 密码数据通信装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9301784A (nl) 1993-10-14 1995-05-01 Irdeto Bv Systeem voor het versleutelen en ontsleutelen van digitale informatie.
US5673319A (en) * 1995-02-06 1997-09-30 International Business Machines Corporation Block cipher mode of operation for secure, length-preserving encryption
RU2103829C1 (ru) * 1997-04-02 1998-01-27 Государственное унитарное предприятие "Специализированный центр программных систем "Спектр" Способ шифрования информации, представленной двоичным кодом
US6061449A (en) * 1997-10-10 2000-05-09 General Instrument Corporation Secure processor with external memory using block chaining and block re-ordering
US6055316A (en) * 1997-12-26 2000-04-25 Sun Microsystems, Inc. System and method for deriving an appropriate initialization vector for secure communications
JP2002287619A (ja) * 2001-03-23 2002-10-04 Victor Co Of Japan Ltd 記録再生装置
US7099469B2 (en) * 2001-10-17 2006-08-29 Motorola, Inc. Method of scrambling and descrambling data in a communication system
KR100927322B1 (ko) * 2001-12-19 2009-11-19 이르데토 액세스 비.브이. 디지털 콘텐트 분배 시스템
US6950517B2 (en) * 2002-07-24 2005-09-27 Qualcomm, Inc. Efficient encryption and authentication for data processing systems
US7471795B2 (en) * 2003-09-12 2008-12-30 Victor Company Of Japan, Ltd. Information transmission system
JP2005167635A (ja) * 2003-12-02 2005-06-23 Ntt Docomo Inc 装置、及び、データ送受信方法

Also Published As

Publication number Publication date
MXPA06012926A (es) 2007-05-07
US20080025509A1 (en) 2008-01-31
KR20070049592A (ko) 2007-05-11
DE602005022001D1 (de) 2010-08-05
CA2567229A1 (en) 2007-05-08
TW200835340A (en) 2008-08-16
EP2015506A1 (de) 2009-01-14
MY146334A (en) 2012-07-31
ATE495600T1 (de) 2011-01-15
AU2006235899A1 (en) 2007-05-24
EP2015506B1 (de) 2010-06-23
EP1783948B1 (de) 2011-01-12
ES2376818T3 (es) 2012-03-20
BRPI0604544A (pt) 2007-08-28
ATE472212T1 (de) 2010-07-15
EP1783948A1 (de) 2007-05-09
HK1104134A1 (en) 2008-01-04
CA2567229C (en) 2015-01-06
KR101345569B1 (ko) 2014-01-15
US8300812B2 (en) 2012-10-30
DE602005025891D1 (de) 2011-02-24
RU2439668C2 (ru) 2012-01-10
CN1992589B (zh) 2011-09-07
JP2007133400A (ja) 2007-05-31
CN1992589A (zh) 2007-07-04
JP4976107B2 (ja) 2012-07-18
AU2006235899B2 (en) 2011-01-27
RU2006139126A (ru) 2008-05-20

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