DE69924912D1 - Verschlüsselungsverfahren und Vorrichtung unter Verwendung einer elliptischen Kurve - Google Patents
Verschlüsselungsverfahren und Vorrichtung unter Verwendung einer elliptischen KurveInfo
- Publication number
- DE69924912D1 DE69924912D1 DE69924912T DE69924912T DE69924912D1 DE 69924912 D1 DE69924912 D1 DE 69924912D1 DE 69924912 T DE69924912 T DE 69924912T DE 69924912 T DE69924912 T DE 69924912T DE 69924912 D1 DE69924912 D1 DE 69924912D1
- Authority
- DE
- Germany
- Prior art keywords
- encryption method
- elliptic curve
- elliptic
- curve
- encryption
- 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.)
- Expired - Fee Related
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
- G06F7/724—Finite field arithmetic
- G06F7/725—Finite field arithmetic over elliptic curves
-
- 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
- H04L9/3066—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving algebraic varieties, e.g. elliptic or hyper-elliptic curves
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Physics (AREA)
- Computing Systems (AREA)
- Computational Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Algebra (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Complex Calculations (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10044851A JPH11242434A (ja) | 1998-02-26 | 1998-02-26 | 楕円曲線暗号実行方法及び暗号処理システム |
JP4485198 | 1998-02-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69924912D1 true DE69924912D1 (de) | 2005-06-02 |
DE69924912T2 DE69924912T2 (de) | 2006-03-30 |
Family
ID=12702992
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69924912T Expired - Fee Related DE69924912T2 (de) | 1998-02-26 | 1999-02-23 | Verschlüsselungsverfahren und Vorrichtung unter Verwendung einer elliptischen Kurve |
Country Status (4)
Country | Link |
---|---|
US (1) | US6480606B1 (de) |
EP (1) | EP0952697B1 (de) |
JP (1) | JPH11242434A (de) |
DE (1) | DE69924912T2 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7200225B1 (en) * | 1999-11-12 | 2007-04-03 | Richard Schroeppel | Elliptic curve point ambiguity resolution apparatus and method |
JP4284867B2 (ja) * | 2001-01-18 | 2009-06-24 | 株式会社日立製作所 | 標準モデル上で適応的選択暗号文攻撃に対して安全な公開鍵暗号方法 |
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 |
FR2828779B1 (fr) * | 2001-08-17 | 2004-01-16 | Gemplus Card Int | Procede de calcul universel applique a des points d'une courbe elliptique |
US7372960B2 (en) * | 2001-12-31 | 2008-05-13 | Certicom Corp. | Method and apparatus for performing finite field calculations |
JP4034585B2 (ja) * | 2002-01-28 | 2008-01-16 | 松下電器産業株式会社 | 楕円曲線演算装置及び楕円曲線演算方法 |
WO2005034421A2 (en) * | 2003-10-03 | 2005-04-14 | Matsushita Electric Industrial Co., Ltd. | Information transfer system, encryption device, and decryption device using elliptic curve |
US8111826B2 (en) * | 2006-01-11 | 2012-02-07 | Mitsubishi Electric Corporation | Apparatus for generating elliptic curve cryptographic parameter, apparatus for processing elliptic curve cryptograph, program for generating elliptic curve cryptographic parameter, and program for processing elliptic cyptograph |
US7991162B2 (en) * | 2007-09-14 | 2011-08-02 | University Of Ottawa | Accelerating scalar multiplication on elliptic curve cryptosystems over prime fields |
EP2208165A4 (de) * | 2007-11-02 | 2010-11-24 | Certicom Corp | Montgomery-signed-arithmetik |
US10148285B1 (en) | 2012-07-25 | 2018-12-04 | Erich Schmitt | Abstraction and de-abstraction of a digital data stream |
US10795858B1 (en) | 2014-02-18 | 2020-10-06 | Erich Schmitt | Universal abstraction and de-abstraction of a digital data stream |
US9645794B2 (en) * | 2014-09-23 | 2017-05-09 | Texas Instruments Incorporated | Homogeneous atomic pattern for double, add, and subtract operations for digital authentication using elliptic curve cryptography |
US9531531B2 (en) * | 2015-05-06 | 2016-12-27 | Qualcomm Incorporated | Methods and devices for fixed execution flow multiplier recoding and scalar multiplication |
US11146397B2 (en) * | 2017-10-31 | 2021-10-12 | Micro Focus Llc | Encoding abelian variety-based ciphertext with metadata |
CN117423470B (zh) * | 2023-10-30 | 2024-04-23 | 盐城市第三人民医院 | 一种慢性病临床决策支持系统及构建方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5271061A (en) * | 1991-09-17 | 1993-12-14 | Next Computer, Inc. | Method and apparatus for public key exchange in a cryptographic system |
US6307935B1 (en) * | 1991-09-17 | 2001-10-23 | Apple Computer, Inc. | Method and apparatus for fast elliptic encryption with direct embedding |
US5442707A (en) * | 1992-09-28 | 1995-08-15 | Matsushita Electric Industrial Co., Ltd. | Method for generating and verifying electronic signatures and privacy communication using elliptic curves |
JPH0756506A (ja) * | 1993-08-11 | 1995-03-03 | Nippon Telegr & Teleph Corp <Ntt> | 楕円曲線に基づく暗号の鍵生成装置 |
US6088453A (en) * | 1997-01-27 | 2000-07-11 | Kabushiki Kaisha Toshiba | Scheme for computing Montgomery division and Montgomery inverse realizing fast implementation |
-
1998
- 1998-02-26 JP JP10044851A patent/JPH11242434A/ja active Pending
-
1999
- 1999-02-23 DE DE69924912T patent/DE69924912T2/de not_active Expired - Fee Related
- 1999-02-23 EP EP99103480A patent/EP0952697B1/de not_active Expired - Lifetime
- 1999-02-23 US US09/255,858 patent/US6480606B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH11242434A (ja) | 1999-09-07 |
EP0952697A2 (de) | 1999-10-27 |
DE69924912T2 (de) | 2006-03-30 |
US6480606B1 (en) | 2002-11-12 |
EP0952697A3 (de) | 2003-05-14 |
EP0952697B1 (de) | 2005-04-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |