JP4146934B2 - 暗号化装置および暗号化方法 - Google Patents

暗号化装置および暗号化方法 Download PDF

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Publication number
JP4146934B2
JP4146934B2 JP19641698A JP19641698A JP4146934B2 JP 4146934 B2 JP4146934 B2 JP 4146934B2 JP 19641698 A JP19641698 A JP 19641698A JP 19641698 A JP19641698 A JP 19641698A JP 4146934 B2 JP4146934 B2 JP 4146934B2
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JP
Japan
Prior art keywords
data
error correction
random number
encrypted
module
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Expired - Fee Related
Application number
JP19641698A
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English (en)
Japanese (ja)
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JPH11112479A (ja
JPH11112479A5 (https=
Inventor
ジョシュ・ホガン
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HP Inc
Original Assignee
Hewlett Packard Co
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Filing date
Publication date
Application filed by Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of JPH11112479A publication Critical patent/JPH11112479A/ja
Publication of JPH11112479A5 publication Critical patent/JPH11112479A5/ja
Application granted granted Critical
Publication of JP4146934B2 publication Critical patent/JP4146934B2/ja
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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
    • H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
    • H04L9/304—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy based on error correction codes, e.g. McEliece
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/29—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes
    • H03M13/2906—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes using block codes
    • H03M13/2909—Product codes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
    • H03M13/13—Linear codes
    • H03M13/15—Cyclic codes, i.e. cyclic shifts of codewords produce other codewords, e.g. codes defined by a generator polynomial, Bose-Chaudhuri-Hocquenghem [BCH] codes
    • H03M13/151—Cyclic codes, i.e. cyclic shifts of codewords produce other codewords, e.g. codes defined by a generator polynomial, Bose-Chaudhuri-Hocquenghem [BCH] codes using error location or error correction polynomials
    • H03M13/1515—Reed-Solomon codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0057—Block codes
    • 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
    • H04L2209/08—Randomization, e.g. dummy operations or using noise
    • 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
    • H04L2209/30—Compression, e.g. Merkle-Damgard construction

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Storage Device Security (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
JP19641698A 1997-07-17 1998-07-13 暗号化装置および暗号化方法 Expired - Fee Related JP4146934B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/896,002 US6047069A (en) 1997-07-17 1997-07-17 Method and apparatus for preserving error correction capabilities during data encryption/decryption
US896,002 1997-07-17

Publications (3)

Publication Number Publication Date
JPH11112479A JPH11112479A (ja) 1999-04-23
JPH11112479A5 JPH11112479A5 (https=) 2005-10-27
JP4146934B2 true JP4146934B2 (ja) 2008-09-10

Family

ID=25405439

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19641698A Expired - Fee Related JP4146934B2 (ja) 1997-07-17 1998-07-13 暗号化装置および暗号化方法

Country Status (2)

Country Link
US (1) US6047069A (https=)
JP (1) JP4146934B2 (https=)

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JPH11266243A (ja) * 1997-12-09 1999-09-28 Canon Inc 情報処理装置及び方法
US6307487B1 (en) 1998-09-23 2001-10-23 Digital Fountain, Inc. Information additive code generator and decoder for communication systems
US7068729B2 (en) 2001-12-21 2006-06-27 Digital Fountain, Inc. Multi-stage code generator and decoder for communication systems
FR2801751B1 (fr) * 1999-11-30 2002-01-18 St Microelectronics Sa Composant electronique de securite
US7069590B1 (en) * 2000-02-17 2006-06-27 Microsoft Corporation System and method for protecting data streams in hardware components
JP2001318768A (ja) * 2000-03-02 2001-11-16 Sony Computer Entertainment Inc エンタテインメント装置及びその部品、エンタテインメント装置によるディジタル情報のローディング方法、コンピュータプログラム
US6765739B2 (en) 2002-03-18 2004-07-20 Hewlett-Packard Development Company, L.P. Method and apparatus for discouraging duplication of digital data
US9240810B2 (en) 2002-06-11 2016-01-19 Digital Fountain, Inc. Systems and processes for decoding chain reaction codes through inactivation
JP4546246B2 (ja) 2002-10-05 2010-09-15 デジタル ファウンテン， インコーポレイテッド 連鎖的暗号化反応の系統的記号化および復号化
AU2003288758A1 (en) * 2002-12-19 2004-07-14 Ntt Communications Corporation Data division method and device using exclusive or calculation
JP4227425B2 (ja) * 2003-01-23 2009-02-18 キヤノン株式会社 情報処理方法及び装置、並びに、コンピュータプログラム及びコンピュータ可読記憶媒体
KR101170629B1 (ko) 2003-10-06 2012-08-02 디지털 파운튼, 인크. 단일 송신기 또는 다중 송신기를 갖는 통신 시스템의 에러 정정 다중-스테이지 코드 생성기 및 디코더
JP2005130028A (ja) * 2003-10-21 2005-05-19 Yazaki Corp 暗号キー並びにこれを用いた暗号化装置及び復号化装置
US7350127B2 (en) * 2003-12-12 2008-03-25 Hewlett-Packard Development Company, L.P. Error correction method and system
EP1743431A4 (en) 2004-05-07 2007-05-02 Digital Fountain Inc SYSTEM FOR DOWNLOADING AND RECORDING AND CONTINUOUS READING OF FILES
JP2006220747A (ja) * 2005-02-08 2006-08-24 Toshiba Corp データ処理装置、データ記録装置、データ再生装置およびデータ格納方法
CA2593441A1 (en) * 2005-02-11 2006-08-17 Universal Data Protection Corporation Method and system for microprocessor data security
DE102005031611B4 (de) * 2005-07-06 2007-11-22 Infineon Technologies Ag Nachweis einer Veränderung der Daten eines Datensatzes
US9136983B2 (en) 2006-02-13 2015-09-15 Digital Fountain, Inc. Streaming and buffering using variable FEC overhead and protection periods
US9270414B2 (en) 2006-02-21 2016-02-23 Digital Fountain, Inc. Multiple-field based code generator and decoder for communications systems
US7971129B2 (en) 2006-05-10 2011-06-28 Digital Fountain, Inc. Code generator and decoder for communications systems operating using hybrid codes to allow for multiple efficient users of the communications systems
US9432433B2 (en) 2006-06-09 2016-08-30 Qualcomm Incorporated Enhanced block-request streaming system using signaling or block creation
US9419749B2 (en) 2009-08-19 2016-08-16 Qualcomm Incorporated Methods and apparatus employing FEC codes with permanent inactivation of symbols for encoding and decoding processes
US9386064B2 (en) 2006-06-09 2016-07-05 Qualcomm Incorporated Enhanced block-request streaming using URL templates and construction rules
US9380096B2 (en) 2006-06-09 2016-06-28 Qualcomm Incorporated Enhanced block-request streaming system for handling low-latency streaming
US9178535B2 (en) 2006-06-09 2015-11-03 Digital Fountain, Inc. Dynamic stream interleaving and sub-stream based delivery
US9209934B2 (en) 2006-06-09 2015-12-08 Qualcomm Incorporated Enhanced block-request streaming using cooperative parallel HTTP and forward error correction
US7733439B2 (en) * 2007-04-30 2010-06-08 Qualcomm Mems Technologies, Inc. Dual film light guide for illuminating displays
AU2008298602A1 (en) 2007-09-12 2009-03-19 Digital Fountain, Inc. Generating and communicating source identification information to enable reliable communications
US9281847B2 (en) 2009-02-27 2016-03-08 Qualcomm Incorporated Mobile reception of digital video broadcasting—terrestrial services
US9288010B2 (en) 2009-08-19 2016-03-15 Qualcomm Incorporated Universal file delivery methods for providing unequal error protection and bundled file delivery services
US9917874B2 (en) 2009-09-22 2018-03-13 Qualcomm Incorporated Enhanced block-request streaming using block partitioning or request controls for improved client-side handling
US20110280311A1 (en) 2010-05-13 2011-11-17 Qualcomm Incorporated One-stream coding for asymmetric stereo video
US9596447B2 (en) 2010-07-21 2017-03-14 Qualcomm Incorporated Providing frame packing type information for video coding
US8806050B2 (en) 2010-08-10 2014-08-12 Qualcomm Incorporated Manifest file updates for network streaming of coded multimedia data
US8958375B2 (en) 2011-02-11 2015-02-17 Qualcomm Incorporated Framing for an improved radio link protocol including FEC
US9270299B2 (en) 2011-02-11 2016-02-23 Qualcomm Incorporated Encoding and decoding using elastic codes with flexible source block mapping
US9253233B2 (en) 2011-08-31 2016-02-02 Qualcomm Incorporated Switch signaling methods providing improved switching between representations for adaptive HTTP streaming
US9843844B2 (en) 2011-10-05 2017-12-12 Qualcomm Incorporated Network streaming of media data
US9294226B2 (en) 2012-03-26 2016-03-22 Qualcomm Incorporated Universal object delivery and template-based file delivery
JP6142704B2 (ja) * 2013-07-11 2017-06-07 富士通株式会社 秘匿データ照合装置、秘匿データ照合プログラムおよび秘匿データ照合方法
EP3654576B1 (en) * 2018-11-16 2021-07-28 Siemens Aktiengesellschaft Computer-implemented method for error-correction-encoding and encrypting of a file
US20250247168A1 (en) * 2024-01-25 2025-07-31 Nokia Solutions And Networks Oy Method, apparatus and computer program

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US5285497A (en) * 1993-04-01 1994-02-08 Scientific Atlanta Methods and apparatus for scrambling and unscrambling compressed data streams
US5602595A (en) * 1993-12-29 1997-02-11 Zenith Electronics Corporation ATV/MPEG sync system
NL9402103A (nl) * 1994-12-12 1996-07-01 Nederland Ptt Werkwijze en inrichtingen voor het in bewerkte vorm over een communicatiekanaal overdragen van data.
US5802107A (en) * 1996-09-13 1998-09-01 Zenith Electronics Corporation Symbol rotator

Also Published As

Publication number Publication date
JPH11112479A (ja) 1999-04-23
US6047069A (en) 2000-04-04

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