HK1027194A1 - Encrypting and decrypting device for communication system - Google Patents

Encrypting and decrypting device for communication system

Info

Publication number
HK1027194A1
HK1027194A1 HK00106175.4A HK00106175A HK1027194A1 HK 1027194 A1 HK1027194 A1 HK 1027194A1 HK 00106175 A HK00106175 A HK 00106175A HK 1027194 A1 HK1027194 A1 HK 1027194A1
Authority
HK
Hong Kong
Prior art keywords
encrypting
communication system
decrypting device
decrypting
communication
Prior art date
Application number
HK00106175.4A
Other languages
English (en)
Inventor
Mitsuru Matsui
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of HK1027194A1 publication Critical patent/HK1027194A1/xx

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09C—CIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
    • G09C1/00—Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/60—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers
    • G06F7/72—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers using residue arithmetic
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/04—Forecasting or optimisation specially adapted for administrative or management purposes, e.g. linear programming or "cutting stock problem"
    • 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
    • H04L9/3006—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy underlying computational problems or public-key parameters
    • H04L9/3013—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy underlying computational problems or public-key parameters involving the discrete logarithm problem, e.g. ElGamal or Diffie-Hellman systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Computing Systems (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Computational Mathematics (AREA)
  • Economics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Human Resources & Organizations (AREA)
  • Strategic Management (AREA)
  • Tourism & Hospitality (AREA)
  • Mathematical Physics (AREA)
  • Quality & Reliability (AREA)
  • Marketing (AREA)
  • Entrepreneurship & Innovation (AREA)
  • General Business, Economics & Management (AREA)
  • Game Theory and Decision Science (AREA)
  • Development Economics (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Operations Research (AREA)
  • General Engineering & Computer Science (AREA)
  • Complex Calculations (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Executing Machine-Instructions (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Correction Of Errors (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Steroid Compounds (AREA)
HK00106175.4A 1998-01-27 2000-09-28 Encrypting and decrypting device for communication system HK1027194A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1392498 1998-01-27
PCT/JP1999/000206 WO1999038142A1 (fr) 1998-01-27 1999-01-21 Procede et appareil pour effectuer une operation arithmetique et support d'enregistrement dudit procede

Publications (1)

Publication Number Publication Date
HK1027194A1 true HK1027194A1 (en) 2001-01-05

Family

ID=11846743

Family Applications (1)

Application Number Title Priority Date Filing Date
HK00106175.4A HK1027194A1 (en) 1998-01-27 2000-09-28 Encrypting and decrypting device for communication system

Country Status (12)

Country Link
US (3) US6477556B1 (de)
EP (2) EP0971331B1 (de)
JP (1) JP3183670B2 (de)
KR (1) KR100348340B1 (de)
CN (2) CN1598758B (de)
AU (1) AU736797B2 (de)
CA (1) CA2284713C (de)
DE (2) DE69941653D1 (de)
HK (1) HK1027194A1 (de)
NO (3) NO326219B1 (de)
TW (1) TW419925B (de)
WO (1) WO1999038142A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7685221B1 (en) * 2003-03-17 2010-03-23 Marvell Israel (M.I.S.L.) Ltd. Efficient remainder calculation for even divisors
DE10341804A1 (de) * 2003-09-10 2005-04-28 Giesecke & Devrient Gmbh Division von Binärzahlen
JP4662802B2 (ja) * 2005-03-30 2011-03-30 富士通株式会社 計算方法、計算装置及びコンピュータプログラム
FR2897963A1 (fr) * 2006-02-28 2007-08-31 Atmel Corp Procede pour les conjectures de quotient rapide et une manip ulation de congruences
JP5328186B2 (ja) * 2008-03-21 2013-10-30 ルネサスエレクトロニクス株式会社 データ処理システム及びデータ処理方法
CN103699356B (zh) * 2012-09-27 2016-09-21 任光前 一种并行除法计算器
US9841946B1 (en) * 2015-11-11 2017-12-12 Mbit Wireless, Inc. Method and apparatus for modulo operation

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4949293A (en) * 1987-09-25 1990-08-14 Kabushiki Kaisha Toshiba Method and apparatus for computing residue with respect to arbitrary modulus
US5271061A (en) * 1991-09-17 1993-12-14 Next Computer, Inc. Method and apparatus for public key exchange in a cryptographic system
JP3180836B2 (ja) 1992-05-21 2001-06-25 日本電気株式会社 暗号通信装置
US5379243A (en) * 1992-08-31 1995-01-03 Comstream Corporation Method and apparatus for performing finite field division
FR2701323A1 (fr) * 1993-02-08 1994-08-12 Trt Telecom Radio Electr Dispositif pour effectuer une division.
JPH08115205A (ja) * 1994-10-14 1996-05-07 Matsushita Electric Ind Co Ltd 高速剰余演算装置
JP3609512B2 (ja) 1994-12-15 2005-01-12 株式会社東芝 演算器
JPH08179690A (ja) 1994-12-22 1996-07-12 Nec Corp プロダクト暗号装置
ATE180186T1 (de) 1995-03-24 1999-06-15 Filzmoser Franz Verfahren und vorrichtung zum herstellen von bewehrungsmatten
US5675528A (en) * 1995-06-16 1997-10-07 Cyrix Corporation Early detection of overflow and exceptional quotient/remainder pairs for nonrestoring twos complement division
JPH0990870A (ja) 1995-09-27 1997-04-04 Nec Corp 基本変換方法、暗号化方法、基本変換回路および暗号装置
JPH09198232A (ja) * 1996-01-23 1997-07-31 Ricoh Co Ltd 除算器
CA2228493C (en) * 1997-02-03 2005-05-03 Nippon Telegraph And Telephone Corporation Scheme for carrying out modular calculations based on redundant binary calculation

Also Published As

Publication number Publication date
EP1659552A1 (de) 2006-05-24
CN1598758B (zh) 2010-05-12
JP3183670B2 (ja) 2001-07-09
CN1255998A (zh) 2000-06-07
DE69940175D1 (de) 2009-02-05
EP1659552B1 (de) 2008-12-24
NO331489B1 (no) 2012-01-16
US6477556B1 (en) 2002-11-05
NO326219B1 (no) 2008-10-20
CA2284713C (en) 2003-07-08
KR100348340B1 (ko) 2002-08-09
KR20010005695A (ko) 2001-01-15
TW419925B (en) 2001-01-21
US20020184280A1 (en) 2002-12-05
EP0971331B1 (de) 2009-11-25
AU1982999A (en) 1999-08-09
US6687728B2 (en) 2004-02-03
DE69941653D1 (de) 2010-01-07
NO20030202D0 (no) 2003-01-15
CN1255998B (zh) 2010-06-09
NO994667D0 (no) 1999-09-24
NO20030202L (no) 1999-09-27
NO20030203L (no) 1999-09-27
EP0971331A4 (de) 2004-11-17
NO20030203D0 (no) 2003-01-15
EP0971331A1 (de) 2000-01-12
NO994667L (no) 1999-09-27
AU736797B2 (en) 2001-08-02
CN1598758A (zh) 2005-03-23
NO331487B1 (no) 2012-01-16
US6687727B2 (en) 2004-02-03
US20020178205A1 (en) 2002-11-28
CA2284713A1 (en) 1999-07-29
WO1999038142A1 (fr) 1999-07-29

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Legal Events

Date Code Title Description
PE Patent expired

Effective date: 20190120