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/en
Publication of IL101623A publication Critical patent/IL101623A/xx

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computing Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mathematical Physics (AREA)
  • General Engineering & Computer Science (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 (en) 1992-04-16 1993-04-16 Digital signature device and process

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 (xx)
EP (1) EP0566498B1 (xx)
DE (1) DE69330848T2 (xx)
IL (1) IL101623A (xx)

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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
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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
EP1008026B1 (en) * 1997-05-04 2007-09-05 M-Systems Flash Disk Pioneers Ltd. Improved apparatus & method for modular multiplication & exponentiation based on montgomery 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)
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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
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
US7966520B2 (en) 2002-08-30 2011-06-21 Avaya Inc. Software licensing for spare processors
US7681245B2 (en) 2002-08-30 2010-03-16 Avaya Inc. Remote feature activator feature extraction
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
US7965701B1 (en) 2004-09-30 2011-06-21 Avaya Inc. Method and system for secure communications with IP telephony appliance
US7747851B1 (en) 2004-09-30 2010-06-29 Avaya Inc. Certificate distribution via license files
US8229858B1 (en) 2004-09-30 2012-07-24 Avaya Inc. Generation of enterprise-wide licenses in a customer environment
WO2007020566A1 (en) 2005-08-19 2007-02-22 Nxp B.V. Circuit arrangement for and method of performing an inversion operation in a cryptographic calculation
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
FR3040511B1 (fr) * 2015-08-27 2017-09-08 Stmicroelectronics Rousset Verification de la sensibilite d'un circuit electronique executant un calcul d'exponentiation modulaire
FR3040512B1 (fr) * 2015-08-27 2017-09-08 Stmicroelectronics Rousset Protection d'un calcul d'exponentiation modulaire
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US5210710A (en) * 1990-10-17 1993-05-11 Cylink Corporation Modulo arithmetic processor chip

Also Published As

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

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