CA2392739A1 - Cryptographic isolator using multiplication - Google Patents

Cryptographic isolator using multiplication Download PDF

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Publication number
CA2392739A1
CA2392739A1 CA002392739A CA2392739A CA2392739A1 CA 2392739 A1 CA2392739 A1 CA 2392739A1 CA 002392739 A CA002392739 A CA 002392739A CA 2392739 A CA2392739 A CA 2392739A CA 2392739 A1 CA2392739 A1 CA 2392739A1
Authority
CA
Canada
Prior art keywords
keystream
vulnerable
partial product
suo
function
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
CA002392739A
Other languages
English (en)
French (fr)
Inventor
Kevin Driscoll
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honeywell Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2392739A1 publication Critical patent/CA2392739A1/en
Abandoned legal-status Critical Current

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
    • H04L9/0668—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 producing a non-linear pseudorandom sequence

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
CA002392739A 1999-12-02 2000-12-01 Cryptographic isolator using multiplication Abandoned CA2392739A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/453,263 1999-12-02
US09/453,263 US6804354B1 (en) 1999-12-02 1999-12-02 Cryptographic isolator using multiplication
PCT/US2000/032695 WO2001050676A2 (en) 1999-12-02 2000-12-01 Cryptographic isolator using multiplication

Publications (1)

Publication Number Publication Date
CA2392739A1 true CA2392739A1 (en) 2001-07-12

Family

ID=23799837

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002392739A Abandoned CA2392739A1 (en) 1999-12-02 2000-12-01 Cryptographic isolator using multiplication

Country Status (6)

Country Link
US (1) US6804354B1 (enExample)
EP (1) EP1234403A2 (enExample)
JP (1) JP2003519960A (enExample)
AU (1) AU5514701A (enExample)
CA (1) CA2392739A1 (enExample)
WO (1) WO2001050676A2 (enExample)

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DE69939254D1 (de) * 1999-06-22 2008-09-18 Hitachi Ltd Kryptografisches Gerät und Verfahren
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US7606492B2 (en) 2000-10-04 2009-10-20 Enablence Usa Fttx Networks Inc. System and method for communicating optical signals upstream and downstream between a data service provider and subscribers
US7170997B2 (en) 2000-12-07 2007-01-30 Cryptico A/S Method of generating pseudo-random numbers in an electronic device, and a method of encrypting and decrypting electronic data
US20030072059A1 (en) * 2001-07-05 2003-04-17 Wave7 Optics, Inc. System and method for securing a communication channel over an optical network
US7529485B2 (en) 2001-07-05 2009-05-05 Enablence Usa Fttx Networks, Inc. Method and system for supporting multiple services with a subscriber optical interface located outside a subscriber's premises
US7877014B2 (en) 2001-07-05 2011-01-25 Enablence Technologies Inc. Method and system for providing a return path for signals generated by legacy video service terminals in an optical network
US7593639B2 (en) 2001-08-03 2009-09-22 Enablence Usa Fttx Networks Inc. Method and system for providing a return path for signals generated by legacy terminals in an optical network
JP4191915B2 (ja) * 2001-08-30 2008-12-03 独立行政法人情報通信研究機構 変換装置、暗号化復号化システム、多段変換装置、プログラム、ならびに、情報記録媒体
DE60133140T2 (de) * 2001-12-06 2009-03-12 Telefonaktiebolaget Lm Ericsson (Publ) System und verfahren für symmetrische kryptographie
US7038910B1 (en) 2002-01-07 2006-05-02 Wave7 Optics, Inc. System and method for removing heat from a subscriber optical interface
US7583897B2 (en) 2002-01-08 2009-09-01 Enablence Usa Fttx Networks Inc. Optical network system and method for supporting upstream signals propagated according to a cable modem protocol
US7623786B2 (en) 2002-05-20 2009-11-24 Enablence Usa Fttx Networks, Inc. System and method for communicating optical signals to multiple subscribers having various bandwidth demands connected to the same optical waveguide
US20040086117A1 (en) * 2002-06-06 2004-05-06 Petersen Mette Vesterager Methods for improving unpredictability of output of pseudo-random number generators
US7058260B2 (en) 2002-10-15 2006-06-06 Wave7 Optics, Inc. Reflection suppression for an optical fiber
US7454141B2 (en) 2003-03-14 2008-11-18 Enablence Usa Fttx Networks Inc. Method and system for providing a return path for signals generated by legacy terminals in an optical network
US7925013B1 (en) * 2003-06-30 2011-04-12 Conexant Systems, Inc. System for data encryption and decryption of digital data entering and leaving memory
US7340180B2 (en) 2004-08-10 2008-03-04 Wave7 Optics, Inc. Countermeasures for idle pattern SRS interference in ethernet optical network systems
US7599622B2 (en) 2004-08-19 2009-10-06 Enablence Usa Fttx Networks Inc. System and method for communicating optical signals between a data service provider and subscribers
TWI269222B (en) * 2004-12-29 2006-12-21 Univ Tsinghua Random number generating method and its equipment with a multiple polynomial
WO2006100801A1 (ja) 2005-03-23 2006-09-28 Kddi Corporation キーストリーム暗号化装置および方法ならびにプログラム
JP4774509B2 (ja) 2005-05-13 2011-09-14 国立大学法人お茶の水女子大学 擬似乱数発生システム
US7616901B2 (en) 2005-08-10 2009-11-10 Enablence Usa Fttx Networks Inc. Countermeasures for idle pattern SRS interference in ethernet optical network systems
JP4912797B2 (ja) * 2006-08-30 2012-04-11 三菱電機株式会社 暗号装置及び復号装置及び暗号方法及び復号方法及びプログラム
JP4938430B2 (ja) * 2006-12-05 2012-05-23 Ｋｄｄｉ株式会社 非線形関数器、ストリーム暗号の暗号化装置、復号化装置、ｍａｃ生成装置、ストリーム暗号の暗号化方法、復号化方法、ｍａｃ生成方法およびプログラム
US8036380B2 (en) * 2006-12-14 2011-10-11 Telefonaktiebolaget L M Ericsson (Publ) Efficient data integrity protection
JP5102536B2 (ja) * 2007-05-17 2012-12-19 Ｋｄｄｉ株式会社 ストリーム暗号の暗号化装置、復号化装置、暗号化方法、復号化方法およびプログラム
US8549296B2 (en) * 2007-11-28 2013-10-01 Honeywell International Inc. Simple authentication of messages
US8330122B2 (en) 2007-11-30 2012-12-11 Honeywell International Inc Authenticatable mark, systems for preparing and authenticating the mark
US8320557B2 (en) * 2008-05-08 2012-11-27 Harris Corporation Cryptographic system including a mixed radix number generator with chosen statistical artifacts
JP5268011B2 (ja) * 2011-03-19 2013-08-21 国立大学法人お茶の水女子大学 暗号化システム及び復号化システム
JP5207153B2 (ja) * 2011-03-19 2013-06-12 国立大学法人お茶の水女子大学 擬似乱数発生システム
JP5268010B2 (ja) * 2011-03-19 2013-08-21 国立大学法人お茶の水女子大学 暗号化システム及び復号化システム
US9450925B2 (en) 2014-08-29 2016-09-20 Honeywell Inernational Inc. Methods and systems for auto-commissioning of devices in a communication network
EP3235162B1 (en) * 2014-12-17 2021-02-17 Telefonaktiebolaget LM Ericsson (publ) Stream ciphering technique
US9813232B2 (en) * 2015-03-17 2017-11-07 Cypress Semiconductor Corporation Device and method for resisting non-invasive attacks
US9660803B2 (en) 2015-09-15 2017-05-23 Global Risk Advisors Device and method for resonant cryptography
US11552781B2 (en) 2019-04-05 2023-01-10 Honeywell International Inc. Using error detection bits for cryptographic integrity and authentication
US20230083850A1 (en) * 2020-03-02 2023-03-16 7Tunnels Inc. Cryptographic systems and methods for development of pools of random numbers
US20230244821A1 (en) 2022-01-28 2023-08-03 Honeywell International Inc. Processor core unique encryption
CN120342613B (zh) * 2025-06-06 2025-10-17 北京大学 动态密钥的生成和应用方法、装置、电子设备及计算机程序产品

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US4202051A (en) * 1977-10-03 1980-05-06 Wisconsin Alumni Research Foundation Digital data enciphering and deciphering circuit and method
US5262976A (en) * 1989-11-13 1993-11-16 Harris Corporation Plural-bit recoding multiplier
US5461674A (en) * 1992-05-22 1995-10-24 Zenith Electronics Corp. Method and apparatus for controlling playback of recorded HDTV signals
US5307409A (en) 1992-12-22 1994-04-26 Honeywell Inc Apparatus and method for fault detection on redundant signal lines via encryption
JPH08202535A (ja) * 1995-01-26 1996-08-09 Nippon Telegr & Teleph Corp <Ntt> 擬似乱数の生成方法および生成装置
JP2000004223A (ja) * 1998-06-16 2000-01-07 Toyo Commun Equip Co Ltd 暗号・認証システム

Also Published As

Publication number Publication date
JP2003519960A (ja) 2003-06-24
WO2001050676A3 (en) 2002-05-30
EP1234403A2 (en) 2002-08-28
WO2001050676A2 (en) 2001-07-12
AU5514701A (en) 2001-07-16
US6804354B1 (en) 2004-10-12

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Legal Events

Date Code Title Description
FZDE Discontinued