IL101623A - Digital signature device - Google Patents

Digital signature device

Info

Publication number
IL101623A
IL101623A IL101623A IL10162392A IL101623A IL 101623 A IL101623 A IL 101623A IL 101623 A IL101623 A IL 101623A IL 10162392 A IL10162392 A IL 10162392A IL 101623 A IL101623 A IL 101623A
Authority
IL
Israel
Prior art keywords
digital signature
content
signature device
registers
register
Prior art date
Application number
IL101623A
Other languages
English (en)
Inventor
Benjamin Arazi
Original Assignee
Fortress U & T 2000 Ltd
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 Fortress U & T 2000 Ltd filed Critical Fortress U & T 2000 Ltd
Priority to IL101623A priority Critical patent/IL101623A/xx
Priority to US08/047,103 priority patent/US5448639A/en
Priority to DE69330848T priority patent/DE69330848T2/de
Priority to EP93400992A priority patent/EP0566498B1/de
Publication of IL101623A publication Critical patent/IL101623A/xx

Links

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
    • G06F7/721—Modular inversion, reciprocal or quotient calculation
    • 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
    • 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
    • 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
    • H04L9/302—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 integer factorization problem, e.g. RSA or quadratic sieve [QS] schemes
    • 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
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
    • H04L9/3249—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures using RSA or related signature schemes, e.g. Rabin scheme
    • 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)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computing Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Complex Calculations (AREA)
  • Image Processing (AREA)
IL101623A 1992-04-16 1992-04-16 Digital signature device IL101623A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IL101623A IL101623A (en) 1992-04-16 1992-04-16 Digital signature device
US08/047,103 US5448639A (en) 1992-04-16 1993-04-13 Digital signature device
DE69330848T DE69330848T2 (de) 1992-04-16 1993-04-16 Einrichtung und Verfahren zur digitalen Unterschrift
EP93400992A EP0566498B1 (de) 1992-04-16 1993-04-16 Einrichtung und Verfahren zur digitalen Unterschrift

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL101623A IL101623A (en) 1992-04-16 1992-04-16 Digital signature device

Publications (1)

Publication Number Publication Date
IL101623A true IL101623A (en) 1997-06-10

Family

ID=11063555

Family Applications (1)

Application Number Title Priority Date Filing Date
IL101623A IL101623A (en) 1992-04-16 1992-04-16 Digital signature device

Country Status (4)

Country Link
US (1) US5448639A (de)
EP (1) EP0566498B1 (de)
DE (1) DE69330848T2 (de)
IL (1) IL101623A (de)

Families Citing this family (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69434422T2 (de) * 1993-11-30 2006-04-20 Canon K.K. Verfahren und Anordnung zur Verschlüsselung/Entschlüsselung auf der Basis des Montgomery-Verfahrens unter Verwendung von effizienter modularer Multiplikation
FR2725055A1 (fr) * 1994-09-28 1996-03-29 Trt Telecom Radio Electr Dispositif de calculs d'operations modulaires et carte a puce comportant un tel dispositif
FR2726666B1 (fr) * 1994-11-08 1997-01-17 Sgs Thomson Microelectronics Procede de production d'un parametre de correction d'erreur associe a la mise en oeuvre d'operations modulaires selon la methode de montgomery
FR2726667B1 (fr) * 1994-11-08 1997-01-17 Sgs Thomson Microelectronics Procede de mise en oeuvre de multiplication modulaire selon la methode montgomery
FR2743646B1 (fr) * 1996-01-12 1998-03-06 Sgs Thomson Microelectronics Coprocesseur d'arithmetique modulaire comportant un circuit de division entiere
JP3525209B2 (ja) * 1996-04-05 2004-05-10 株式会社 沖マイクロデザイン べき乗剰余演算回路及びべき乗剰余演算システム及びべき乗剰余演算のための演算方法
US6493347B2 (en) * 1996-12-16 2002-12-10 Juniper Networks, Inc. Memory organization in a switching device
US6748410B1 (en) 1997-05-04 2004-06-08 M-Systems Flash Disk Pioneers, Ltd. Apparatus and method for modular multiplication and exponentiation based on montgomery multiplication
AU6516498A (en) 1997-05-04 1998-11-27 Fortress U & T Ltd. Improved apparatus & method for modular multiplication & exponentiation based onmontgomery multiplication
GB2332542B (en) * 1997-12-20 2002-08-07 Motorola Ltd Data processing system for performing multiplication and multiplication method
DE19820605A1 (de) * 1998-05-08 1999-11-11 Giesecke & Devrient Gmbh Verfahren zur sicheren Verteilung von Software
KR100486697B1 (ko) * 1998-05-26 2005-06-16 삼성전자주식회사 모듈러연산장치및그방법
RU2153191C2 (ru) 1998-09-29 2000-07-20 Закрытое акционерное общество "Алкорсофт" Способ изготовления вслепую цифровой rsa-подписи и устройство для его реализации (варианты)
RU2157001C2 (ru) 1998-11-25 2000-09-27 Закрытое акционерное общество "Алкорсофт" Способ проведения платежей (варианты)
IL128007A (en) * 1999-01-11 2003-02-12 Milsys Ltd Enhancements on compact logic devices and also for accelerating and securing computations in modular arithmetic especially for use in public key cryptographic co-processors designed for elliptic curve and rsa type computations
CA2290170C (en) * 1999-01-29 2005-06-14 International Business Machines Corporation Improved digital signature
FR2791156B1 (fr) 1999-03-17 2001-05-11 St Microelectronics Sa Dispositif et procede de mise en oeuvre d'une operation modulaire elementaire selon la methode de montgomery
JP4955182B2 (ja) * 2000-05-15 2012-06-20 サンディスク アイエル リミテッド 整数の計算フィールド範囲の拡張
US6609141B1 (en) * 2000-10-13 2003-08-19 Motorola, Inc. Method of performing modular inversion
US6978016B2 (en) * 2000-12-19 2005-12-20 International Business Machines Corporation Circuits for calculating modular multiplicative inverse
US6973470B2 (en) * 2001-06-13 2005-12-06 Corrent Corporation Circuit and method for performing multiple modulo mathematic operations
US20030002668A1 (en) * 2001-06-30 2003-01-02 Gary Graunke Multi-level, multi-dimensional content protections
KR100413947B1 (ko) * 2001-07-07 2004-01-07 주홍정보통신주식회사 모듈라 지수승 연산 방식을 이용한 ｒｓａ 암호 장치
US20030072442A1 (en) * 2001-10-01 2003-04-17 Blakley George Robert Cisponentiation method, software, and device for exponentiation
US7151829B2 (en) * 2002-04-22 2006-12-19 International Business Machines Corporation System and method for implementing a hash algorithm
SG118136A1 (en) * 2002-05-22 2006-01-27 Sylvester Chang Joseph A digital multiplier with reduced spurious switching by means of latch adders
DE10223853B4 (de) * 2002-05-28 2005-06-23 Technische Universität Braunschweig Carolo-Wilhelmina Verfahren und integrierte Schaltung zur Durchführung einer Multiplikation modulo M
US7885896B2 (en) 2002-07-09 2011-02-08 Avaya Inc. Method for authorizing a substitute software license server
US8041642B2 (en) 2002-07-10 2011-10-18 Avaya Inc. Predictive software license balancing
US20040039767A1 (en) * 2002-08-21 2004-02-26 International Business Machines Corporation Check sum generation for modular reduction
US7681245B2 (en) 2002-08-30 2010-03-16 Avaya Inc. Remote feature activator feature extraction
US7966520B2 (en) 2002-08-30 2011-06-21 Avaya Inc. Software licensing for spare processors
US7698225B2 (en) 2002-08-30 2010-04-13 Avaya Inc. License modes in call processing
US7707116B2 (en) 2002-08-30 2010-04-27 Avaya Inc. Flexible license file feature controls
US7228567B2 (en) * 2002-08-30 2007-06-05 Avaya Technology Corp. License file serial number tracking
US20040078339A1 (en) * 2002-10-22 2004-04-22 Goringe Christopher M. Priority based licensing
JP3576155B2 (ja) * 2002-11-11 2004-10-13 沖電気工業株式会社 乗算剰余演算器
US7890997B2 (en) 2002-12-26 2011-02-15 Avaya Inc. Remote feature activation authentication file system
US7260557B2 (en) * 2003-02-27 2007-08-21 Avaya Technology Corp. Method and apparatus for license distribution
US7373657B2 (en) * 2003-03-10 2008-05-13 Avaya Technology Corp. Method and apparatus for controlling data and software access
US7353388B1 (en) 2004-02-09 2008-04-01 Avaya Technology Corp. Key server for securing IP telephony registration, control, and maintenance
US7272500B1 (en) 2004-03-25 2007-09-18 Avaya Technology Corp. Global positioning system hardware key for software licenses
US7707405B1 (en) 2004-09-21 2010-04-27 Avaya Inc. Secure installation activation
US7270228B2 (en) * 2004-09-22 2007-09-18 Metal Fabricating Corporation Hanger for conveyor assembly
US8229858B1 (en) 2004-09-30 2012-07-24 Avaya Inc. Generation of enterprise-wide licenses in a customer environment
US7747851B1 (en) 2004-09-30 2010-06-29 Avaya Inc. Certificate distribution via license files
US7965701B1 (en) 2004-09-30 2011-06-21 Avaya Inc. Method and system for secure communications with IP telephony appliance
EP1920324A1 (de) 2005-08-19 2008-05-14 Nxp B.V. Schaltungsanordnung und verfahren zur durchführung eines inversionsablaufs in einer kryptografischen berechnung
US7814023B1 (en) 2005-09-08 2010-10-12 Avaya Inc. Secure download manager
US7860918B1 (en) 2006-06-01 2010-12-28 Avaya Inc. Hierarchical fair scheduling algorithm in a distributed measurement system
US8532288B2 (en) 2006-12-01 2013-09-10 International Business Machines Corporation Selectively isolating processor elements into subsets of processor elements
US7890559B2 (en) * 2006-12-22 2011-02-15 International Business Machines Corporation Forward shifting of processor element processing for load balancing
US7755766B1 (en) 2007-03-27 2010-07-13 Itt Manufacturing Enterprises, Inc. Telescope interferometric maintenance evaluation tool
US7876690B1 (en) 2007-09-26 2011-01-25 Avaya Inc. Distributed measurement system configurator tool
DE102010051852A1 (de) * 2010-11-18 2012-05-24 Giesecke & Devrient Gmbh Verfahren zur Langzahldivision
CN102207847B (zh) * 2011-05-06 2013-12-04 广州杰赛科技股份有限公司 基于蒙哥马利模乘运算的数据加解密处理方法及装置
FR3040512B1 (fr) * 2015-08-27 2017-09-08 Stmicroelectronics Rousset Protection d'un calcul d'exponentiation modulaire
FR3040511B1 (fr) * 2015-08-27 2017-09-08 Stmicroelectronics Rousset Verification de la sensibilite d'un circuit electronique executant un calcul d'exponentiation modulaire
US10592661B2 (en) * 2017-11-27 2020-03-17 Microsoft Technology Licensing, Llc Package processing

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4625076A (en) * 1984-03-19 1986-11-25 Nippon Telegraph & Telephone Public Corporation Signed document transmission system
US4891781A (en) * 1987-03-04 1990-01-02 Cylink Corporation Modulo arithmetic processor chip
EP0281303A3 (de) * 1987-03-04 1990-08-29 Cylink Corporation Modulo-arithmetischer Rechnerchip
GB8815868D0 (en) * 1988-07-04 1988-08-10 British Aerospace Digital signal processing
US5121431A (en) * 1990-07-02 1992-06-09 Northern Telecom Limited Processor method of multiplying large numbers
US5210710A (en) * 1990-10-17 1993-05-11 Cylink Corporation Modulo arithmetic processor chip

Also Published As

Publication number Publication date
DE69330848D1 (de) 2001-11-08
DE69330848T2 (de) 2002-03-28
EP0566498B1 (de) 2001-10-04
EP0566498A2 (de) 1993-10-20
EP0566498A3 (en) 1994-10-12
US5448639A (en) 1995-09-05

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