ATE429098T1 - Auf isogenien basierendes verschlüsselungssystem - Google Patents
Auf isogenien basierendes verschlüsselungssystemInfo
- Publication number
- ATE429098T1 ATE429098T1 AT04018957T AT04018957T ATE429098T1 AT E429098 T1 ATE429098 T1 AT E429098T1 AT 04018957 T AT04018957 T AT 04018957T AT 04018957 T AT04018957 T AT 04018957T AT E429098 T1 ATE429098 T1 AT E429098T1
- Authority
- AT
- Austria
- Prior art keywords
- isogenies
- isogeny
- techniques
- key
- encryption
- Prior art date
Links
Classifications
-
- 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
-
- 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
- H04L9/3073—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 involving pairings, e.g. identity based encryption [IBE], bilinear mappings or bilinear pairings, e.g. Weil or Tate pairing
-
- 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
- G06F7/724—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
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
-
- 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
- H04L9/3257—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 blind signatures
-
- 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
- H04L2209/80—Wireless
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Pure & Applied Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Computing Systems (AREA)
- Mathematical Physics (AREA)
- Computational Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Algebra (AREA)
- Storage Device Security (AREA)
- Mobile Radio Communication Systems (AREA)
- Glass Compositions (AREA)
- Dental Preparations (AREA)
- Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Reverberation, Karaoke And Other Acoustics (AREA)
- Developing Agents For Electrophotography (AREA)
- Complex Calculations (AREA)
- Devices For Checking Fares Or Tickets At Control Points (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US51714203P | 2003-11-03 | 2003-11-03 | |
| US10/816,083 US7499544B2 (en) | 2003-11-03 | 2004-03-31 | Use of isogenies for design of cryptosystems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE429098T1 true ATE429098T1 (de) | 2009-05-15 |
Family
ID=34426337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT04018957T ATE429098T1 (de) | 2003-11-03 | 2004-08-10 | Auf isogenien basierendes verschlüsselungssystem |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US7499544B2 (de) |
| EP (1) | EP1528705B1 (de) |
| JP (1) | JP4809598B2 (de) |
| KR (1) | KR101098701B1 (de) |
| CN (1) | CN100583755C (de) |
| AT (1) | ATE429098T1 (de) |
| AU (1) | AU2004218638B2 (de) |
| BR (1) | BRPI0404122A (de) |
| CA (1) | CA2483486C (de) |
| CO (1) | CO5630049A1 (de) |
| DE (1) | DE602004020565D1 (de) |
| IL (1) | IL164071A0 (de) |
| MX (1) | MXPA04010155A (de) |
| MY (1) | MY165770A (de) |
| NO (1) | NO20044028L (de) |
| NZ (1) | NZ535698A (de) |
| RU (1) | RU2376651C2 (de) |
| SG (1) | SG111191A1 (de) |
| TW (1) | TWI360990B (de) |
Families Citing this family (73)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1815636B1 (de) | 2004-11-11 | 2012-02-22 | Certicom Corp. | Neue falltür-einwegefunktion auf elliptischen kurven und ihre anwendung für asymmetrische verschlüsselung und kürzere signaturen |
| US7594261B2 (en) * | 2005-02-08 | 2009-09-22 | Microsoft Corporation | Cryptographic applications of the Cartier pairing |
| US7680268B2 (en) | 2005-03-15 | 2010-03-16 | Microsoft Corporation | Elliptic curve point octupling using single instruction multiple data processing |
| US7702098B2 (en) | 2005-03-15 | 2010-04-20 | Microsoft Corporation | Elliptic curve point octupling for weighted projective coordinates |
| US7617397B2 (en) * | 2005-04-29 | 2009-11-10 | Microsoft Corporation | Systems and methods for generation and validation of isogeny-based signatures |
| JP4575251B2 (ja) * | 2005-07-25 | 2010-11-04 | 株式会社東芝 | デジタル署名生成装置、デジタル署名検証装置、デジタル署名生成方法、デジタル署名検証方法、デジタル署名生成プログラム及びデジタル署名検証プログラム |
| CN1980123B (zh) * | 2005-11-30 | 2010-07-21 | 中国科学院研究生院 | 基于ibe的pki系统的实现方法及其密钥管理装置 |
| US8180047B2 (en) * | 2006-01-13 | 2012-05-15 | Microsoft Corporation | Trapdoor pairings |
| JPWO2008156107A1 (ja) | 2007-06-18 | 2010-08-26 | 日本電気株式会社 | 電子データの暗号化及び暗号化データ復号化システム及びその方法 |
| KR101490687B1 (ko) * | 2007-08-20 | 2015-02-06 | 삼성전자주식회사 | 홈 네트워크에서 디바이스들이 비밀 정보를 공유하는 방법및 이를 위한 장치 |
| US8458479B2 (en) * | 2008-02-20 | 2013-06-04 | Mitsubishi Electric Corporation | Verification apparatus |
| US8037327B2 (en) * | 2008-03-31 | 2011-10-11 | Agilent Technologies, Inc. | System and method for improving dynamic response in a power supply |
| WO2010024401A1 (ja) * | 2008-08-29 | 2010-03-04 | 国立大学法人岡山大学 | ペアリング演算装置、ペアリング演算方法、及びペアリング演算プログラム |
| US8250367B2 (en) * | 2008-09-30 | 2012-08-21 | Microsoft Corporation | Cryptographic applications of efficiently evaluating large degree isogenies |
| US20100100947A1 (en) * | 2008-10-21 | 2010-04-22 | Apple Inc. | Scheme for authenticating without password exchange |
| JP5268066B2 (ja) * | 2009-01-16 | 2013-08-21 | 日本電信電話株式会社 | 変換演算装置、その方法、プログラム及び記録媒体 |
| US8510558B2 (en) | 2009-02-17 | 2013-08-13 | Alcatel Lucent | Identity based authenticated key agreement protocol |
| CN101800640B (zh) * | 2009-11-10 | 2012-09-05 | 浙江工业大学 | 基于Web Service的IBE密钥管理系统 |
| US8634563B2 (en) | 2010-12-17 | 2014-01-21 | Microsoft Corporation | Attribute based encryption using lattices |
| JP5693206B2 (ja) * | 2010-12-22 | 2015-04-01 | 三菱電機株式会社 | 暗号処理システム、鍵生成装置、暗号化装置、復号装置、暗号処理方法及び暗号処理プログラム |
| RU2494553C2 (ru) * | 2011-05-03 | 2013-09-27 | ЗАО Институт инфокоммуникационных технологий | Способ защиты информации |
| RU2450457C1 (ru) * | 2011-05-20 | 2012-05-10 | Государственное образовательное учреждение высшего профессионального образования Марийский государственный технический университет | Способ шифрования |
| EP2813029B1 (de) * | 2012-02-09 | 2020-12-02 | Irdeto B.V. | System und verfahren zum erstellen und schützen kryptografischer schlüssel |
| US10148285B1 (en) | 2012-07-25 | 2018-12-04 | Erich Schmitt | Abstraction and de-abstraction of a digital data stream |
| CN104348614B (zh) * | 2013-07-24 | 2019-02-01 | 腾讯科技（深圳）有限公司 | 身份合法性验证的方法、装置及服务器 |
| RU2541938C1 (ru) * | 2013-11-20 | 2015-02-20 | федеральное государственное автономное образовательное учреждение высшего образования "Санкт-Петербургский государственный политехнический университет" (ФГАОУ ВО "СПбПУ") | Способ шифрования с защитой от квантовых атак на основе циклов функций вебера |
| US10795858B1 (en) | 2014-02-18 | 2020-10-06 | Erich Schmitt | Universal abstraction and de-abstraction of a digital data stream |
| US12609809B2 (en) * | 2015-06-28 | 2026-04-21 | Peter Lablans | Method and apparatus for activating a remote device |
| US12143468B2 (en) * | 2015-12-20 | 2024-11-12 | Lcip Jv | Cryptographic computer machines with novel switching devices |
| US12425189B1 (en) * | 2015-12-20 | 2025-09-23 | Peter Lablans | Cryptographic computer machines with novel switching devices |
| JP6614979B2 (ja) * | 2016-01-15 | 2019-12-04 | 三菱電機株式会社 | 暗号装置、暗号方法及び暗号プログラム |
| AU2017222468B2 (en) | 2016-02-23 | 2023-01-12 | nChain Holdings Limited | Agent-based turing complete transactions integrating feedback within a blockchain system |
| SG11201806702XA (en) | 2016-02-23 | 2018-09-27 | Nchain Holdings Ltd | Personal device security using elliptic curve cryptography for secret sharing |
| SG10202007907PA (en) | 2016-02-23 | 2020-09-29 | Nchain Holdings Ltd | Blockchain-implemented method for control and distribution of digital content |
| IL294934B2 (en) | 2016-02-23 | 2024-12-01 | Nchain Holdings Ltd | Blockchain-based exchange with tokenisation |
| KR102930721B1 (ko) | 2016-02-23 | 2026-02-24 | 엔체인 라이센싱 아게 | 스마트 계약에 기초한 자동화 페이롤 방법 및 시스템을 초래하는, 블록체인 상에서 페이롤에 연관된 암호화폐를 효율적으로 전달하는 방법 및 시스템 |
| SG11201805472RA (en) | 2016-02-23 | 2018-07-30 | Nchain Holdings Ltd | Determining a common secret for the secure exchange of information and hierarchical, deterministic cryptographic keys |
| WO2017145008A1 (en) | 2016-02-23 | 2017-08-31 | nChain Holdings Limited | Tokenisation method and system for implementing exchanges on a blockchain |
| US11455378B2 (en) | 2016-02-23 | 2022-09-27 | nChain Holdings Limited | Method and system for securing computer software using a distributed hash table and a blockchain |
| WO2017145004A1 (en) | 2016-02-23 | 2017-08-31 | nChain Holdings Limited | Universal tokenisation system for blockchain-based cryptocurrencies |
| CN115641131A (zh) | 2016-02-23 | 2023-01-24 | 区块链控股有限公司 | 在区块链上安全转移实体的方法和系统 |
| EP4235552A3 (de) | 2016-02-23 | 2023-09-13 | nChain Licensing AG | Verfahren und systeme zur effizienten übertragung von einheiten auf einem verteilten peer-to-peer-konto mittels blockchain |
| SG11201805542TA (en) | 2016-02-23 | 2018-09-27 | Nchain Holdings Ltd | Secure multiparty loss resistant storage and transfer of cryptographic keys for blockchain based systems in conjunction with a wallet management system |
| CA3014752C (en) | 2016-02-23 | 2024-06-11 | nChain Holdings Limited | System and method for controlling asset-related actions via a blockchain |
| CA3227439A1 (en) | 2016-02-23 | 2017-08-31 | nChain Holdings Limited | Registry and automated management method for blockchain-enforced smart contracts |
| EP3860037A1 (de) | 2016-02-23 | 2021-08-04 | Nchain Holdings Limited | Kryptographisches verfahren und system zur sicheren extraktion von daten aus einer blockchain |
| CN105915520B (zh) * | 2016-04-18 | 2019-02-12 | 深圳大学 | 基于公钥可搜索加密的文件存储、搜索方法及存储系统 |
| JP2017212699A (ja) * | 2016-05-27 | 2017-11-30 | 三菱電機株式会社 | 暗号化装置、復号装置及び暗号システム |
| US10673631B2 (en) * | 2016-11-07 | 2020-06-02 | Infosec Global Inc. | Elliptic curve isogeny-based cryptographic scheme |
| EP3367608A1 (de) * | 2017-02-28 | 2018-08-29 | Koninklijke Philips N.V. | Schlüsselaustauschprotokoll basierend auf isogenien von elliptischen kurven |
| EP3379766B1 (de) * | 2017-03-20 | 2019-06-26 | Huawei Technologies Co., Ltd. | Drahtloskommunikationsvorrichtung für kommunikation in einem drahtloskommunikationsnetz |
| US11146397B2 (en) * | 2017-10-31 | 2021-10-12 | Micro Focus Llc | Encoding abelian variety-based ciphertext with metadata |
| CN108536651B (zh) * | 2018-04-19 | 2022-04-05 | 武汉轻工大学 | 生成可逆模m矩阵的方法和装置 |
| CN112020737B (zh) * | 2018-04-25 | 2023-08-08 | 日本电信电话株式会社 | 秘密聚合总计系统及其方法、秘密计算装置、记录介质 |
| CN112805769B (zh) * | 2018-10-04 | 2023-11-07 | 日本电信电话株式会社 | 秘密s型函数计算系统、装置、方法及记录介质 |
| KR102184188B1 (ko) * | 2018-11-19 | 2020-11-27 | 주식회사 엔에스에이치씨 | 꼬인 에드워즈 곡선에 대한 3차 아이소제니 계산 방법 |
| KR102184189B1 (ko) * | 2018-11-19 | 2020-11-27 | 주식회사 엔에스에이치씨 | 꼬인 에드워즈 곡선에 대한 4차 아이소제니 계산 방법 |
| US11764940B2 (en) | 2019-01-10 | 2023-09-19 | Duality Technologies, Inc. | Secure search of secret data in a semi-trusted environment using homomorphic encryption |
| US11032074B2 (en) * | 2019-02-11 | 2021-06-08 | Pqsecure Technologies, Llc | Cryptosystem and method using isogeny-based computations to reduce a memory footprint |
| US11128454B2 (en) | 2019-05-30 | 2021-09-21 | Bong Mann Kim | Quantum safe cryptography and advanced encryption and key exchange (AEKE) method for symmetric key encryption/exchange |
| US10880278B1 (en) | 2019-10-03 | 2020-12-29 | ISARA Corporation | Broadcasting in supersingular isogeny-based cryptosystems |
| WO2022019886A1 (en) * | 2020-07-20 | 2022-01-27 | Pqsecure Technologies, Llc | An architecture and method for hybrid isogeny-based cryptosystems |
| JP7158635B2 (ja) * | 2020-09-23 | 2022-10-21 | 三菱電機株式会社 | 暗号システム、暗号化装置、復号装置及び鍵生成装置 |
| WO2022250656A1 (en) * | 2021-05-25 | 2022-12-01 | Pqsecure Technologies, Llc | An efficient and scalable architecture and method for isogeny-based cryptosystems |
| CN113254985B (zh) * | 2021-07-15 | 2021-12-21 | 北京信安世纪科技股份有限公司 | 数据加密方法、数据处理方法、数据解密方法及电子设备 |
| US11483151B1 (en) * | 2021-07-16 | 2022-10-25 | Pqsecure Technologies, Llc | Method and system for computing large-degree isogenies with an odd degree |
| US12580769B2 (en) | 2021-09-30 | 2026-03-17 | Visa International Service Association | Round optimal oblivious transfers from isogenies |
| JP7771003B2 (ja) * | 2022-07-01 | 2025-11-17 | 株式会社東芝 | 同種写像計算装置、同種写像計算方法及びプログラム |
| EP4311161A1 (de) * | 2022-07-18 | 2024-01-24 | GMV Soluciones Globales Internet, S.A.U. | Verfahren und entität zur erzeugung eines privaten schlüssels in einem identitätsbasierten kryptosystem ohne schlüsselhinterlegung |
| WO2024224646A1 (ja) * | 2023-04-28 | 2024-10-31 | 日本電信電話株式会社 | 電子署名システム、電子署名方法及びプログラム |
| US12476789B1 (en) * | 2024-04-02 | 2025-11-18 | Peter Lablans | Computational function transformation (CFT) in computer implemented cryptography |
| US12665744B2 (en) * | 2023-11-11 | 2026-06-23 | Peter Lablans | Encryption cloaking with a modified radix-n function for enhanced security |
| CN121418108B (zh) * | 2025-12-23 | 2026-03-06 | 合肥国家实验室 | 基于同源的签名方法、装置、设备、介质 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0233239A (ja) * | 1988-07-23 | 1990-02-02 | Nintendo Co Ltd | 通信制御装置 |
| US5497423A (en) | 1993-06-18 | 1996-03-05 | Matsushita Electric Industrial Co., Ltd. | Method of implementing elliptic curve cryptosystems in digital signatures or verification and privacy communication |
| US7068791B1 (en) * | 1997-02-07 | 2006-06-27 | Iwics Inc. | Secure packet radio network |
| WO1999030458A1 (en) | 1997-12-05 | 1999-06-17 | Secured Information Technology, Inc. | Transformation methods for optimizing elliptic curve cryptographic computations |
| US5982892A (en) * | 1997-12-22 | 1999-11-09 | Hicks; Christian Bielefeldt | System and method for remote authorization for unlocking electronic data |
| US6212277B1 (en) | 1998-03-05 | 2001-04-03 | Matsushita Electric Industrial Co., Ltd. | Elliptic curve transformation device, utilization device and utilization system |
| WO2000014924A1 (en) | 1998-09-08 | 2000-03-16 | Citibank, N.A. | Elliptic curve cryptosystems for low memory devices |
| JP3689039B2 (ja) | 1999-09-08 | 2005-08-31 | 株式会社日立製作所 | 楕円曲線生成方法、装置及び楕円暗号システム並びに記録媒体 |
| ATE465571T1 (de) * | 2001-08-13 | 2010-05-15 | Univ Leland Stanford Junior | Systeme und verfahren zur verschlüsselung auf identitätsbasis und damit zusammenhängende kryptografische techniken |
| US7209555B2 (en) * | 2001-10-25 | 2007-04-24 | Matsushita Electric Industrial Co., Ltd. | Elliptic curve converting device, elliptic curve converting method, elliptic curve utilization device and elliptic curve generating device |
| US7215780B2 (en) | 2001-12-31 | 2007-05-08 | Certicom Corp. | Method and apparatus for elliptic curve scalar multiplication |
-
2004
- 2004-03-31 US US10/816,083 patent/US7499544B2/en active Active
- 2004-08-10 DE DE602004020565T patent/DE602004020565D1/de not_active Expired - Lifetime
- 2004-08-10 AT AT04018957T patent/ATE429098T1/de not_active IP Right Cessation
- 2004-08-10 SG SG200404557A patent/SG111191A1/en unknown
- 2004-08-10 EP EP04018957A patent/EP1528705B1/de not_active Expired - Lifetime
- 2004-08-27 CN CN200410068590A patent/CN100583755C/zh not_active Expired - Lifetime
- 2004-09-10 TW TW093127553A patent/TWI360990B/zh not_active IP Right Cessation
- 2004-09-13 KR KR1020040073118A patent/KR101098701B1/ko not_active Expired - Fee Related
- 2004-09-14 IL IL16407104A patent/IL164071A0/xx unknown
- 2004-09-20 BR BR0404122-4A patent/BRPI0404122A/pt not_active IP Right Cessation
- 2004-09-23 CO CO04094973A patent/CO5630049A1/es not_active Application Discontinuation
- 2004-09-24 NO NO20044028A patent/NO20044028L/no unknown
- 2004-10-01 JP JP2004290612A patent/JP4809598B2/ja not_active Expired - Fee Related
- 2004-10-01 NZ NZ535698A patent/NZ535698A/en not_active IP Right Cessation
- 2004-10-01 CA CA2483486A patent/CA2483486C/en not_active Expired - Fee Related
- 2004-10-01 MY MYPI20044024A patent/MY165770A/en unknown
- 2004-10-06 AU AU2004218638A patent/AU2004218638B2/en not_active Ceased
- 2004-10-15 MX MXPA04010155A patent/MXPA04010155A/es active IP Right Grant
- 2004-11-02 RU RU2004132057/09A patent/RU2376651C2/ru not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| IL164071A0 (en) | 2005-12-18 |
| RU2004132057A (ru) | 2006-04-10 |
| EP1528705B1 (de) | 2009-04-15 |
| NO20044028L (no) | 2005-05-04 |
| JP2005141200A (ja) | 2005-06-02 |
| MY165770A (en) | 2018-04-23 |
| AU2004218638A1 (en) | 2005-05-19 |
| JP4809598B2 (ja) | 2011-11-09 |
| MXPA04010155A (es) | 2005-05-17 |
| DE602004020565D1 (de) | 2009-05-28 |
| KR101098701B1 (ko) | 2011-12-23 |
| AU2004218638B2 (en) | 2009-07-30 |
| CN100583755C (zh) | 2010-01-20 |
| CO5630049A1 (es) | 2006-04-28 |
| US20050094806A1 (en) | 2005-05-05 |
| SG111191A1 (en) | 2005-05-30 |
| RU2376651C2 (ru) | 2009-12-20 |
| NZ535698A (en) | 2006-02-24 |
| KR20050042441A (ko) | 2005-05-09 |
| BRPI0404122A (pt) | 2005-06-21 |
| US7499544B2 (en) | 2009-03-03 |
| EP1528705A1 (de) | 2005-05-04 |
| HK1085585A1 (en) | 2006-08-25 |
| CN1614922A (zh) | 2005-05-11 |
| CA2483486C (en) | 2013-12-24 |
| CA2483486A1 (en) | 2005-05-03 |
| TW200525979A (en) | 2005-08-01 |
| TWI360990B (en) | 2012-03-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE602004020565D1 (de) | Auf Isogenien basierendes Verschlüsselungssystem | |
| EP4254248A3 (de) | Kryptographische verfahren und systeme zur verwaltung digitaler zertifikate | |
| ATE405050T1 (de) | Effiziente verschlüsselung und authentifizierung für datenverarbeitungssysteme | |
| KR101971215B1 (ko) | 유효 숫자 연산을 지원하는 동형 암호문의 생성 방법 및 그러한 방법에 의해서 생성된 동형 암호문에 대한 유효 숫자 연산 방법 | |
| WO2009134937A3 (en) | Format-preserving cryptographic systems | |
| TNSN07055A1 (en) | Permutation data transform to enhance security | |
| EP1154348A9 (de) | Vorrichtung zur Dateienverwaltung | |
| US20030198348A1 (en) | Method and apparatus for encrypting/decrypting data | |
| ATE362259T1 (de) | System zur sicheren dokumentlieferung | |
| WO2003065639A3 (en) | System and method of hiding cryptographic private keys | |
| Alsaidi et al. | Compression multi-level crypto stego security of texts utilizing colored email forwarding | |
| ATE465571T1 (de) | Systeme und verfahren zur verschlüsselung auf identitätsbasis und damit zusammenhängende kryptografische techniken | |
| IL211473A (en) | Information transfer permutations to increase security | |
| ATE523017T1 (de) | Schlüsselvereinbarungs- und transportprotokoll | |
| EP1380917A3 (de) | Methode und System zur Validierung von Softwarecode | |
| ATE270800T1 (de) | Vorrichtungen und verfahren zur zertifizierung von digitalen unterschriften | |
| US20100005318A1 (en) | Process for securing data in a storage unit | |
| AU5759800A (en) | Secure system for printing authenticating digital signatures | |
| NO20074585L (no) | Rettighetsforvaltningssystem for strommende multimedia-innhold | |
| WO2001037478A3 (en) | Encryption key management system using multiple smart cards | |
| WO2002005475A3 (en) | Generation and use of digital signatures | |
| TW200631375A (en) | Multivariable public key systems | |
| WO2004114197A8 (en) | Method and system for controlling the disclosure time of information | |
| IL164320A (en) | Challenge-based authentication without requiring knowledge of secret authentication data | |
| KR970056124A (ko) | 차동 워크팩터 암호방법 및 시스템 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |