BR0110923A - Método criptográfico e dispositivo criptográfico - Google Patents
Método criptográfico e dispositivo criptográficoInfo
- Publication number
- BR0110923A BR0110923A BR0110923-5A BR0110923A BR0110923A BR 0110923 A BR0110923 A BR 0110923A BR 0110923 A BR0110923 A BR 0110923A BR 0110923 A BR0110923 A BR 0110923A
- Authority
- BR
- Brazil
- Prior art keywords
- cryptographic
- modular exponentiation
- cryptographic method
- prime factor
- exponent
- 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
- G06F7/723—Modular exponentiation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F2207/72—Indexing scheme relating to groups G06F7/72 - G06F7/729
- G06F2207/7219—Countermeasures against side channel or fault attacks
- G06F2207/7271—Fault verification, e.g. comparing two values which should be the same, unless a computational fault occurred
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- General Engineering & Computer Science (AREA)
- Computing Systems (AREA)
- Storage Device Security (AREA)
- Mobile Radio Communication Systems (AREA)
- Complex Calculations (AREA)
- Error Detection And Correction (AREA)
- Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
- Devices For Executing Special Programs (AREA)
Abstract
"MéTODO CRIPTOGRáFICO E DISPOSITIVO CRIPTOGRáFICO". A invenção se refere a um método criptográfico com pelo menos uma etapa de computação contendo uma exponenciação modular E de acordo com E = x^ d^ (mod p. q), com um primeiro f ator primo p, um segundo fator primo q, um expoente d e um número x, pelo que a exponenciação modular E é calculada de acordo com o Teorema Chinês do Resto.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10024325A DE10024325B4 (de) | 2000-05-17 | 2000-05-17 | Kryptographisches Verfahren und kryptographische Vorrichtung |
PCT/EP2001/005532 WO2001088693A2 (de) | 2000-05-17 | 2001-05-15 | Kryptographisches verfahren und kryptographische vorrichtung |
Publications (1)
Publication Number | Publication Date |
---|---|
BR0110923A true BR0110923A (pt) | 2003-03-11 |
Family
ID=7642491
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR0110923-5A BR0110923A (pt) | 2000-05-17 | 2001-05-15 | Método criptográfico e dispositivo criptográfico |
Country Status (12)
Country | Link |
---|---|
US (1) | US7227947B2 (pt) |
EP (1) | EP1290545B1 (pt) |
JP (1) | JP4977300B2 (pt) |
CN (1) | CN1429360A (pt) |
AT (1) | ATE309569T1 (pt) |
AU (2) | AU2001265967B2 (pt) |
BR (1) | BR0110923A (pt) |
CA (1) | CA2409200C (pt) |
DE (2) | DE10024325B4 (pt) |
MX (1) | MXPA02011222A (pt) |
RU (1) | RU2276465C2 (pt) |
WO (1) | WO2001088693A2 (pt) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10162584A1 (de) * | 2001-10-17 | 2003-05-08 | Infineon Technologies Ag | Verfahren und Vorrichtung zum Absichern einer Exponentiations-Berechnung mittels dem chinesischen Restsatz (CRT) |
WO2003034268A2 (de) | 2001-10-17 | 2003-04-24 | Infineon Technologies Ag | Verfahren und vorrichtung zum absichern einer exponentiations-berechnung mittels dem chinesischen restsatz (crt) |
AU2002340566A1 (en) | 2001-10-17 | 2003-04-28 | Infineon Technologies Ag | Method and device for guaranteeing a calculation in a cryptographic algorithm |
AU2003271594A1 (en) * | 2002-09-11 | 2004-04-23 | Giesecke And Devrient Gmbh | Protected cryptographic calculation |
US8239917B2 (en) * | 2002-10-16 | 2012-08-07 | Enterprise Information Management, Inc. | Systems and methods for enterprise security with collaborative peer to peer architecture |
US7840806B2 (en) * | 2002-10-16 | 2010-11-23 | Enterprise Information Management, Inc. | System and method of non-centralized zero knowledge authentication for a computer network |
CA2535741C (en) * | 2003-10-14 | 2015-11-10 | Matsushita Electric Industrial Co., Ltd. | Data converter and method thereof |
US7762470B2 (en) | 2003-11-17 | 2010-07-27 | Dpd Patent Trust Ltd. | RFID token with multiple interface controller |
US7213766B2 (en) | 2003-11-17 | 2007-05-08 | Dpd Patent Trust Ltd | Multi-interface compact personal token apparatus and methods of use |
US7597250B2 (en) | 2003-11-17 | 2009-10-06 | Dpd Patent Trust Ltd. | RFID reader with multiple interfaces |
FR2862454A1 (fr) * | 2003-11-18 | 2005-05-20 | Atmel Corp | Methode de reduction modulaire aleatoire et equipement associe |
WO2008104482A2 (en) * | 2007-02-27 | 2008-09-04 | Thomson Licensing | A method and a device for generating compressed rsa moduli |
CN103597520B (zh) * | 2011-04-13 | 2016-12-07 | 诺基亚技术有限公司 | 基于身份的票务方法和系统 |
DE102011117236A1 (de) * | 2011-10-28 | 2013-05-02 | Giesecke & Devrient Gmbh | Effiziente Primzahlprüfung |
CN104123431B (zh) * | 2013-04-24 | 2018-09-14 | 国民技术股份有限公司 | 一种元素的模逆计算方法及装置 |
US10985775B2 (en) | 2014-12-10 | 2021-04-20 | Kyndi, Inc. | System and method of combinatorial hypermap based data representations and operations |
US9652200B2 (en) * | 2015-02-18 | 2017-05-16 | Nxp B.V. | Modular multiplication using look-up tables |
US11005654B2 (en) | 2019-05-14 | 2021-05-11 | Google Llc | Outsourcing exponentiation in a private group |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2737369A1 (fr) * | 1995-07-26 | 1997-01-31 | Trt Telecom Radio Electr | Systeme de communication de messages cryptes selon un procede de type r.s.a. |
GB2318892B (en) * | 1996-10-31 | 2001-07-11 | Motorola Ltd | Co-processor for performing modular multiplication |
US5991415A (en) * | 1997-05-12 | 1999-11-23 | Yeda Research And Development Co. Ltd. At The Weizmann Institute Of Science | Method and apparatus for protecting public key schemes from timing and fault attacks |
-
2000
- 2000-05-17 DE DE10024325A patent/DE10024325B4/de not_active Expired - Fee Related
-
2001
- 2001-05-15 AU AU2001265967A patent/AU2001265967B2/en not_active Expired
- 2001-05-15 WO PCT/EP2001/005532 patent/WO2001088693A2/de active IP Right Grant
- 2001-05-15 MX MXPA02011222A patent/MXPA02011222A/es active IP Right Grant
- 2001-05-15 AU AU6596701A patent/AU6596701A/xx active Pending
- 2001-05-15 CA CA2409200A patent/CA2409200C/en not_active Expired - Lifetime
- 2001-05-15 RU RU2002133218/09A patent/RU2276465C2/ru not_active IP Right Cessation
- 2001-05-15 EP EP01943373A patent/EP1290545B1/de not_active Expired - Lifetime
- 2001-05-15 US US10/275,947 patent/US7227947B2/en not_active Expired - Fee Related
- 2001-05-15 DE DE50108011T patent/DE50108011D1/de not_active Expired - Lifetime
- 2001-05-15 AT AT01943373T patent/ATE309569T1/de not_active IP Right Cessation
- 2001-05-15 JP JP2001585023A patent/JP4977300B2/ja not_active Expired - Lifetime
- 2001-05-15 CN CN01809690.5A patent/CN1429360A/zh active Pending
- 2001-05-15 BR BR0110923-5A patent/BR0110923A/pt not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AU2001265967B2 (en) | 2005-11-24 |
WO2001088693A3 (de) | 2002-02-28 |
RU2276465C2 (ru) | 2006-05-10 |
CN1429360A (zh) | 2003-07-09 |
DE50108011D1 (de) | 2005-12-15 |
DE10024325B4 (de) | 2005-12-15 |
ATE309569T1 (de) | 2005-11-15 |
JP2003533752A (ja) | 2003-11-11 |
MXPA02011222A (es) | 2003-06-06 |
CA2409200C (en) | 2010-02-09 |
EP1290545B1 (de) | 2005-11-09 |
DE10024325A1 (de) | 2001-12-06 |
JP4977300B2 (ja) | 2012-07-18 |
WO2001088693A2 (de) | 2001-11-22 |
CA2409200A1 (en) | 2002-11-18 |
US20040028221A1 (en) | 2004-02-12 |
AU6596701A (en) | 2001-11-26 |
US7227947B2 (en) | 2007-06-05 |
EP1290545A2 (de) | 2003-03-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
Free format text: REFERENTE AS 8A, 9A, 10A E 11A ANUIDADES. |
|
B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2156 DE 02/05/2012. |