CA2251162A1 - High speed montgomery value calculation - Google Patents

High speed montgomery value calculation Download PDF

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Publication number
CA2251162A1
CA2251162A1 CA002251162A CA2251162A CA2251162A1 CA 2251162 A1 CA2251162 A1 CA 2251162A1 CA 002251162 A CA002251162 A CA 002251162A CA 2251162 A CA2251162 A CA 2251162A CA 2251162 A1 CA2251162 A1 CA 2251162A1
Authority
CA
Canada
Prior art keywords
register
value
bit
modulus
bits
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
CA002251162A
Other languages
English (en)
French (fr)
Inventor
Matthew Scott Mcgregor
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.)
Rainbow Technologies Inc
Original Assignee
Rainbow Technologies Inc
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 Rainbow Technologies Inc filed Critical Rainbow Technologies Inc
Publication of CA2251162A1 publication Critical patent/CA2251162A1/en
Abandoned legal-status Critical Current

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Classifications

    • 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
    • G06F7/728—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 using Montgomery reduction
CA002251162A 1998-03-30 1998-10-19 High speed montgomery value calculation Abandoned CA2251162A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/050,573 US6240436B1 (en) 1998-03-30 1998-03-30 High speed montgomery value calculation
US09/050,573 1998-03-30

Publications (1)

Publication Number Publication Date
CA2251162A1 true CA2251162A1 (en) 1999-09-30

Family

ID=21966038

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002251162A Abandoned CA2251162A1 (en) 1998-03-30 1998-10-19 High speed montgomery value calculation

Country Status (5)

Country Link
US (1) US6240436B1 (US06240436-20010529-M00001.png)
EP (1) EP0947915B1 (US06240436-20010529-M00001.png)
JP (1) JPH11305995A (US06240436-20010529-M00001.png)
CA (1) CA2251162A1 (US06240436-20010529-M00001.png)
DE (1) DE69818798T2 (US06240436-20010529-M00001.png)

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US6304890B1 (en) * 1998-02-04 2001-10-16 Matsushita Electric Industrial Co., Ltd. Exponential calculation device and decoding device
GB2352309B (en) 1999-07-21 2004-02-11 Advanced Risc Mach Ltd A system and method for performing modular multiplication
US7046800B1 (en) * 2000-03-31 2006-05-16 State Of Oregon Acting By And Through The State Board Of Higher Education On Behalf Of Oregon State University Scalable methods and apparatus for Montgomery multiplication
US6691143B2 (en) * 2000-05-11 2004-02-10 Cyberguard Corporation Accelerated montgomery multiplication using plural multipliers
JP3532860B2 (ja) * 2001-01-22 2004-05-31 株式会社東芝 剰余系表現を利用した演算装置及び方法及びプログラム
WO2002073395A2 (en) * 2001-03-09 2002-09-19 The Athena Group, Inc. A method and apparatus for multiplication and/or modular reduction processing
JP3820909B2 (ja) * 2001-04-24 2006-09-13 ソニー株式会社 楕円曲線暗号処理方法および楕円曲線暗号処理装置、並びにプログラム
US6748412B2 (en) * 2001-09-26 2004-06-08 Intel Corporation Square-and-multiply exponent processor
US6922717B2 (en) 2001-09-28 2005-07-26 Intel Corporation Method and apparatus for performing modular multiplication
US20030065696A1 (en) * 2001-09-28 2003-04-03 Ruehle Michael D. Method and apparatus for performing modular exponentiation
US6959297B2 (en) 2002-04-25 2005-10-25 Winnow Technology, Llc System and process for searching within a data stream using a pointer matrix and a trap matrix
US20040010530A1 (en) * 2002-07-10 2004-01-15 Freking William L. Systolic high radix modular multiplier
US7187770B1 (en) 2002-07-16 2007-03-06 Cisco Technology, Inc. Method and apparatus for accelerating preliminary operations for cryptographic processing
US20040096057A1 (en) * 2002-11-20 2004-05-20 Moore Stephen F. Modular multiplication of multi-precision numbers
US20040098435A1 (en) * 2002-11-20 2004-05-20 Moore Stephen F. Modular reduction of multi-precision numbers
US20040120516A1 (en) * 2002-12-23 2004-06-24 International Business Machines Corporation Modular reduction method which recognizes special conditions
GB0314557D0 (en) * 2003-06-21 2003-07-30 Koninkl Philips Electronics Nv Improved reduction calculations
JP4616169B2 (ja) * 2003-07-31 2011-01-19 富士通株式会社 モンゴメリ乗算剰余における変換パラメータの計算装置、方法およびそのプログラム
GB0412084D0 (en) * 2004-05-29 2004-06-30 Univ Belfast "Method of calculating a modular inverse"
US7953814B1 (en) 2005-02-28 2011-05-31 Mcafee, Inc. Stopping and remediating outbound messaging abuse
US9015472B1 (en) 2005-03-10 2015-04-21 Mcafee, Inc. Marking electronic messages to indicate human origination
US9160755B2 (en) 2004-12-21 2015-10-13 Mcafee, Inc. Trusted communication network
US20060140399A1 (en) * 2004-12-28 2006-06-29 Young David W Pre-calculation mechanism for signature decryption
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
DE102005024609A1 (de) * 2005-05-25 2006-11-30 Siemens Ag Bestimmung einer modularen Inversen
US7486673B2 (en) 2005-08-29 2009-02-03 Connect Technologies Corporation Method and system for reassembling packets prior to searching
US20070150530A1 (en) * 2005-12-13 2007-06-28 Intel Corporation Resisting cache timing based attacks
US10354229B2 (en) 2008-08-04 2019-07-16 Mcafee, Llc Method and system for centralized contact management
EP2276194B1 (en) * 2009-07-17 2014-11-26 Certicom Corp. System and method for reducing the computation and storage requirements for a Montgomery-style reduction
JP6193699B2 (ja) * 2013-09-27 2017-09-06 株式会社ソシオネクスト 演算回路

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5274707A (en) * 1991-12-06 1993-12-28 Roger Schlafly Modular exponentiation and reduction device and method
US5513133A (en) 1992-11-30 1996-04-30 Fortress U&T Ltd. Compact microelectronic device for performing modular multiplication and exponentiation over large numbers
FR2743908B1 (fr) 1996-01-18 1998-02-27 Sgs Thomson Microelectronics Procede de production d'un parametre de correction d'erreur associe a la mise en oeuvre d'operation modulaire selon la methode de montgomery

Also Published As

Publication number Publication date
EP0947915A1 (en) 1999-10-06
DE69818798T2 (de) 2004-05-06
JPH11305995A (ja) 1999-11-05
DE69818798D1 (de) 2003-11-13
US6240436B1 (en) 2001-05-29
EP0947915B1 (en) 2003-10-08

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Legal Events

Date Code Title Description
FZDE Discontinued