HK1012136A1 - Pseudo-random number generator and communication method and apparatus using encrypted text based upon pseudo-random numbers generated by said generator - Google Patents

Pseudo-random number generator and communication method and apparatus using encrypted text based upon pseudo-random numbers generated by said generator

Info

Publication number
HK1012136A1
HK1012136A1 HK98113123A HK98113123A HK1012136A1 HK 1012136 A1 HK1012136 A1 HK 1012136A1 HK 98113123 A HK98113123 A HK 98113123A HK 98113123 A HK98113123 A HK 98113123A HK 1012136 A1 HK1012136 A1 HK 1012136A1
Authority
HK
Hong Kong
Prior art keywords
pseudo
generator
communication method
text based
numbers generated
Prior art date
Application number
HK98113123A
Other languages
English (en)
Inventor
Keiichi Iwamura
Takahisa Yamamoto
Original Assignee
Canon Kk
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 Canon Kk filed Critical Canon Kk
Publication of HK1012136A1 publication Critical patent/HK1012136A1/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
    • H04L9/065—Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
    • H04L9/0656—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
    • H04L9/0662—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher with particular pseudorandom sequence generator
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
  • Error Detection And Correction (AREA)
  • Complex Calculations (AREA)
HK98113123A 1994-03-15 1998-12-10 Pseudo-random number generator and communication method and apparatus using encrypted text based upon pseudo-random numbers generated by said generator HK1012136A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP04354494A JP3507119B2 (ja) 1994-03-15 1994-03-15 擬似乱数生成装置とそれを用いた通信装置

Publications (1)

Publication Number Publication Date
HK1012136A1 true HK1012136A1 (en) 1999-07-23

Family

ID=12666695

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98113123A HK1012136A1 (en) 1994-03-15 1998-12-10 Pseudo-random number generator and communication method and apparatus using encrypted text based upon pseudo-random numbers generated by said generator

Country Status (5)

Country Link
US (1) US5828752A (xx)
EP (1) EP0673134B1 (xx)
JP (1) JP3507119B2 (xx)
DE (1) DE69514261T2 (xx)
HK (1) HK1012136A1 (xx)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6307940B1 (en) 1997-06-25 2001-10-23 Canon Kabushiki Kaisha Communication network for encrypting/deciphering communication text while updating encryption key, a communication terminal thereof, and a communication method thereof
US6513118B1 (en) 1998-01-27 2003-01-28 Canon Kabushiki Kaisha Electronic watermarking method, electronic information distribution system, image filing apparatus and storage medium therefor
US6070178A (en) * 1999-02-17 2000-05-30 Starium Ltd Generating random numbers from random signals without being affected by any interfering signals
US6745219B1 (en) * 2000-06-05 2004-06-01 Boris Zelkin Arithmetic unit using stochastic data processing
US20020114453A1 (en) * 2001-02-21 2002-08-22 Bartholet Thomas G. System and method for secure cryptographic data transport and storage
US6691141B2 (en) 2001-04-13 2004-02-10 Science Applications International Corp. Method and apparatus for generating random number generators
JP4136534B2 (ja) * 2001-11-02 2008-08-20 キヤノン株式会社 デジタルコンテンツ処理装置、デジタルコンテンツ処理方法、コンピュータプログラム及び記録媒体
GB2391082B (en) * 2002-07-19 2005-08-03 Ritech Internat Ltd Portable data storage device with layered memory architecture
US20040024803A1 (en) * 2002-07-31 2004-02-05 Allen Montijo Cascaded modified PRBS counters form easily programmed and efficient large counter
US8332449B2 (en) * 2003-09-23 2012-12-11 The Directv Group, Inc. Sample generation method and system for digital simulation processes
US7467170B1 (en) 2003-09-23 2008-12-16 The Directv Group, Inc. Sample generation method and system for digital simulation processes
KR20060014600A (ko) * 2004-08-11 2006-02-16 삼성전자주식회사 외부 메모리에 저장된 데이터의 변경유무를 체크하는 장치및 방법
US20070024471A1 (en) * 2005-08-01 2007-02-01 Lexmark International, Inc. Systems and methods for secure communication over wired transmission channels
US7386778B2 (en) * 2005-10-20 2008-06-10 Jon Udell Methods for distributing programs for generating test data
US7765450B2 (en) * 2005-10-20 2010-07-27 Jon Udell Methods for distribution of test generation programs
DE102006017911B4 (de) 2006-04-18 2023-01-26 creditPass GmbH Elektronisches Bezahlsystem und Verfahren zum Ausführen eines Bezahlvorgangs
CN101682456B (zh) * 2008-01-22 2013-03-06 日本电气株式会社 无线接入系统的发送机和接收机、无线接入系统的发送方法和接收方法及其程序
US8234295B2 (en) 2009-06-03 2012-07-31 International Business Machines Corporation Managing uncertain data using Monte Carlo techniques
US8244909B1 (en) * 2009-06-18 2012-08-14 Google Inc. Method, apparatus and networking equipment for performing flow hashing using quasi cryptographic hash functions

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE380696B (sv) * 1974-03-20 1975-11-10 Philips Svenska Ab Sett att alstra en pseudoslumpbitfoljd och anordning for utforande av settet.
US4133974A (en) * 1976-11-05 1979-01-09 Datotek, Inc. System for locally enciphering prime data
JPH0721764B2 (ja) * 1985-04-16 1995-03-08 日本電気株式会社 乱数発生器
ATE193606T1 (de) * 1991-03-05 2000-06-15 Canon Kk Rechengerät und verfahren zum verschlüsseln/entschlüsseln von kommunikationsdaten unter verwendung desselben
US5187676A (en) * 1991-06-28 1993-02-16 Digital Equipment Corporation High-speed pseudo-random number generator and method for generating same
EP0611054B1 (en) * 1993-01-22 1998-04-08 Canon Kabushiki Kaisha Polynomial-set deriving apparatus and method
JP3245290B2 (ja) * 1993-12-29 2002-01-07 キヤノン株式会社 復号方法とその装置
US5420928A (en) * 1994-01-25 1995-05-30 Bell Communications Research, Inc. Pseudo-random generator
US5515307A (en) * 1994-08-04 1996-05-07 Bell Communications Research, Inc. Pseudo-random generator

Also Published As

Publication number Publication date
DE69514261T2 (de) 2000-06-15
JP3507119B2 (ja) 2004-03-15
EP0673134A3 (en) 1996-08-07
DE69514261D1 (de) 2000-02-10
EP0673134A2 (en) 1995-09-20
EP0673134B1 (en) 2000-01-05
JPH07253752A (ja) 1995-10-03
US5828752A (en) 1998-10-27

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20140314