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TW200707277A - Process of and apparatus for counting - Google Patents

Process of and apparatus for counting

Info

Publication number
TW200707277A
TW200707277A TW095114208A TW95114208A TW200707277A TW 200707277 A TW200707277 A TW 200707277A TW 095114208 A TW095114208 A TW 095114208A TW 95114208 A TW95114208 A TW 95114208A TW 200707277 A TW200707277 A TW 200707277A
Authority
TW
Taiwan
Prior art keywords
counter
values
incrementing
output
period
Prior art date
Application number
TW095114208A
Other languages
Chinese (zh)
Inventor
Sean O'neil
Original Assignee
Sean O'neil
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
Priority claimed from AU2005901987A external-priority patent/AU2005901987A0/en
Application filed by Sean O'neil filed Critical Sean O'neil
Publication of TW200707277A publication Critical patent/TW200707277A/en

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Feedback Control In General (AREA)
  • Storage Device Security (AREA)

Abstract

A cryptographic process receives initialization material and generates an output. The cryptographic process comprises the incrementing of a counter. The process of incrementing of the counter comprises incrementing the value of the counter cyclically through a loop of values, one value at a time. The values in the loop of values are chosen in accordance with a modified remainder number system comprising at least two remainders. Each of the at least two remainders is assigned a modulus of a fixed period. The period of at least one modulus of n-bits is selected by the equation period = floor (2n/p) *p where p is a prime number and floor (2n/p) > 1. The output of the counter is utilized in the course of generating the output of the cryptographic process
TW095114208A 2005-04-20 2006-04-20 Process of and apparatus for counting TW200707277A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2005901987A AU2005901987A0 (en) 2005-04-20 Process of and Apparatus for Counting
AU2005902019A AU2005902019A0 (en) 2005-04-22 Process of and Apparatus for Counting

Publications (1)

Publication Number Publication Date
TW200707277A true TW200707277A (en) 2007-02-16

Family

ID=37114632

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095114208A TW200707277A (en) 2005-04-20 2006-04-20 Process of and apparatus for counting

Country Status (2)

Country Link
TW (1) TW200707277A (en)
WO (1) WO2006110954A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7937427B2 (en) 2007-04-19 2011-05-03 Harris Corporation Digital generation of a chaotic numerical sequence
US7921145B2 (en) 2007-05-22 2011-04-05 Harris Corporation Extending a repetition period of a random sequence
US8005221B2 (en) 2007-08-01 2011-08-23 Harris Corporation Chaotic spread spectrum communications system receiver
US7995749B2 (en) * 2007-10-30 2011-08-09 Harris Corporation Cryptographic system configured for extending a repetition period of a random sequence
US8200728B2 (en) 2008-05-29 2012-06-12 Harris Corporation Sine/cosine generator
US8848909B2 (en) 2009-07-22 2014-09-30 Harris Corporation Permission-based TDMA chaotic communication systems
US8345725B2 (en) 2010-03-11 2013-01-01 Harris Corporation Hidden Markov Model detection for spread spectrum waveforms

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5077793A (en) * 1989-09-29 1991-12-31 The Boeing Company Residue number encryption and decryption system
FR2658932A1 (en) * 1990-02-23 1991-08-30 Koninkl Philips Electronics Nv METHOD OF ENCODING THE RSA METHOD BY A MICROCONTROLLER AND DEVICE USING THE SAME
US6125182A (en) * 1994-11-09 2000-09-26 Channel One Communications, Inc. Cryptographic engine using logic and base conversions
WO2001022653A2 (en) * 1999-09-22 2001-03-29 Raytheon Company Key escrow systems
GB2383435A (en) * 2001-12-18 2003-06-25 Automatic Parallel Designs Ltd Logic circuit for performing modular multiplication and exponentiation
US7451326B2 (en) * 2002-08-26 2008-11-11 Mosaid Technologies, Inc. Method and apparatus for processing arbitrary key bit length encryption operations with similar efficiencies
JP2004226674A (en) * 2003-01-23 2004-08-12 Renesas Technology Corp Information processing method

Also Published As

Publication number Publication date
WO2006110954A1 (en) 2006-10-26

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