IL101623A - Digital signature device - Google Patents
Digital signature deviceInfo
- 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
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE299631T1 (de) * | 1993-11-30 | 2005-07-15 | Canon Kk | 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 |
ES2293677T3 (es) * | 1997-05-04 | 2008-03-16 | Sandisk Il Ltd | Aparato y metodo mejorados para la multiplicacion y exponenciacion modulares basadas en la multiplicacion de montgomery. |
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 |
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 |
US7698225B2 (en) | 2002-08-30 | 2010-04-13 | Avaya Inc. | License modes in call processing |
US7966520B2 (en) | 2002-08-30 | 2011-06-21 | Avaya Inc. | Software licensing for spare processors |
US7228567B2 (en) * | 2002-08-30 | 2007-06-05 | Avaya Technology Corp. | License file serial number tracking |
US7681245B2 (en) | 2002-08-30 | 2010-03-16 | Avaya Inc. | Remote feature activator feature extraction |
US7707116B2 (en) | 2002-08-30 | 2010-04-27 | Avaya Inc. | Flexible license file feature controls |
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 |
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 |
KR20080039497A (ko) | 2005-08-19 | 2008-05-07 | 엔엑스피 비 브이 | 역 연산을 수행하는 회로 장치와 이를 포함하는 마이크로제어기, 데이터 처리 장치, 역 연산 수행 방법 및 컴퓨터 판독가능한 저장 매체 |
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 |
US10592661B2 (en) * | 2017-11-27 | 2020-03-17 | Microsoft Technology Licensing, Llc | Package processing |
Family Cites Families (6)
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 |
-
1992
- 1992-04-16 IL IL101623A patent/IL101623A/xx active IP Right Grant
-
1993
- 1993-04-13 US US08/047,103 patent/US5448639A/en not_active Expired - Lifetime
- 1993-04-16 DE DE69330848T patent/DE69330848T2/de not_active Expired - Lifetime
- 1993-04-16 EP EP93400992A patent/EP0566498B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5448639A (en) | 1995-09-05 |
DE69330848T2 (de) | 2002-03-28 |
EP0566498A2 (de) | 1993-10-20 |
EP0566498B1 (de) | 2001-10-04 |
DE69330848D1 (de) | 2001-11-08 |
EP0566498A3 (en) | 1994-10-12 |
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Legal Events
Date | Code | Title | Description |
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FF | Patent granted | ||
KB | Patent renewed | ||
KB | Patent renewed | ||
HP | Change in proprietorship | ||
KB | Patent renewed | ||
KB | Patent renewed |