JP2000066588A - 暗号方法 - Google Patents
暗号方法Info
- Publication number
- JP2000066588A JP2000066588A JP11011829A JP1182999A JP2000066588A JP 2000066588 A JP2000066588 A JP 2000066588A JP 11011829 A JP11011829 A JP 11011829A JP 1182999 A JP1182999 A JP 1182999A JP 2000066588 A JP2000066588 A JP 2000066588A
- Authority
- JP
- Japan
- Prior art keywords
- key
- owner
- document
- consumer
- protocol
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/327—Initiating, continuing or ending a single-mode communication; Handshaking therefor
- H04N1/32765—Initiating a communication
- H04N1/32771—Initiating a communication in response to a request, e.g. for a particular document
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
- G06Q20/3829—Payment protocols; Details thereof insuring higher security of transaction involving key management
-
- 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
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/085—Secret sharing or secret splitting, e.g. threshold schemes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/34—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device for coin-freed systems ; Pay systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/44—Secrecy systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/44—Secrecy systems
- H04N1/4406—Restricting access, e.g. according to user identity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/44—Secrecy systems
- H04N1/4406—Restricting access, e.g. according to user identity
- H04N1/444—Restricting access, e.g. according to user identity to a particular document or image or part thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/44—Secrecy systems
- H04N1/448—Rendering the image unintelligible, e.g. scrambling
- H04N1/4486—Rendering the image unintelligible, e.g. scrambling using digital data encryption
-
- 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
- H04L2209/56—Financial cryptography, e.g. electronic payment or e-cash
-
- 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
- H04L2209/60—Digital content management, e.g. content distribution
- H04L2209/605—Copy protection
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Business, Economics & Management (AREA)
- Multimedia (AREA)
- Accounting & Taxation (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- General Business, Economics & Management (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Strategic Management (AREA)
- Finance (AREA)
- Computer Networks & Wireless Communication (AREA)
- Storage Device Security (AREA)
- Computer And Data Communications (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP98301021A EP0936805A1 (en) | 1998-02-12 | 1998-02-12 | Document transfer systems |
| EP98301021.6 | 1998-02-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000066588A true JP2000066588A (ja) | 2000-03-03 |
| JP2000066588A5 JP2000066588A5 (enExample) | 2006-01-26 |
Family
ID=8234662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11011829A Withdrawn JP2000066588A (ja) | 1998-02-12 | 1999-01-20 | 暗号方法 |
Country Status (3)
| Country | Link |
|---|---|
| US (2) | US6446051B1 (enExample) |
| EP (1) | EP0936805A1 (enExample) |
| JP (1) | JP2000066588A (enExample) |
Families Citing this family (70)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0936805A1 (en) * | 1998-02-12 | 1999-08-18 | Hewlett-Packard Company | Document transfer systems |
| US7391865B2 (en) * | 1999-09-20 | 2008-06-24 | Security First Corporation | Secure data parser method and system |
| US20010037462A1 (en) * | 2000-05-01 | 2001-11-01 | Bengtson Michael B. | Method and apparatus for obtaining a printed copy of a document via the internet |
| US6820201B1 (en) * | 2000-08-04 | 2004-11-16 | Sri International | System and method using information-based indicia for securing and authenticating transactions |
| US6971007B1 (en) * | 2000-08-17 | 2005-11-29 | Hewlett-Packard Development Company, L.P. | Assured printing of documents of value |
| TWI238637B (en) * | 2001-01-10 | 2005-08-21 | Ibm | Method and system for processing of documents with electronic signatures |
| US7181017B1 (en) | 2001-03-23 | 2007-02-20 | David Felsher | System and method for secure three-party communications |
| JP2002298058A (ja) * | 2001-03-29 | 2002-10-11 | Seiko Epson Corp | デジタルコンテンツ提供システム,デジタルコンテンツ提供方法,サーバ装置及びデジタルコンテンツ提供プログラム |
| US20040199475A1 (en) * | 2001-04-27 | 2004-10-07 | Rivest Ronald L. | Method and system for micropayment transactions |
| US7257844B2 (en) | 2001-07-31 | 2007-08-14 | Marvell International Ltd. | System and method for enhanced piracy protection in a wireless personal communication device |
| US20030144958A1 (en) * | 2002-01-28 | 2003-07-31 | Liang Eli Entze | Computer network based secure peer-to-peer file distribution system |
| JP4433723B2 (ja) * | 2003-08-21 | 2010-03-17 | ブラザー工業株式会社 | 画像形成装置 |
| US8627489B2 (en) * | 2003-10-31 | 2014-01-07 | Adobe Systems Incorporated | Distributed document version control |
| US7930757B2 (en) * | 2003-10-31 | 2011-04-19 | Adobe Systems Incorporated | Offline access in a document control system |
| US8108672B1 (en) | 2003-10-31 | 2012-01-31 | Adobe Systems Incorporated | Transparent authentication process integration |
| US7225167B2 (en) | 2003-11-21 | 2007-05-29 | International Business Machines Corporation | Merchandise-integral transaction receipt and auditable product ownership trail |
| US20050137976A1 (en) * | 2003-12-18 | 2005-06-23 | Anderson Glen J. | Automated system for payment commitment for content prior to creation |
| EP1769457A4 (en) * | 2004-06-25 | 2011-11-02 | Heartland Payment Systems Inc | METHOD AND SYSTEM FOR PAYMENT PROCESSING |
| JP4632409B2 (ja) * | 2004-07-22 | 2011-02-16 | キヤノン株式会社 | 画像形成装置、画像形成方法、プログラム |
| CN101375284B (zh) | 2004-10-25 | 2012-02-22 | 安全第一公司 | 安全数据分析方法和系统 |
| US7995758B1 (en) | 2004-11-30 | 2011-08-09 | Adobe Systems Incorporated | Family of encryption keys |
| US8832047B2 (en) | 2005-07-27 | 2014-09-09 | Adobe Systems Incorporated | Distributed document version control |
| WO2008054406A2 (en) | 2005-11-18 | 2008-05-08 | Orsini Rick L | Secure data parser method and system |
| US20080040261A1 (en) * | 2006-04-24 | 2008-02-14 | Robert Nix | Systems and methods for implementing financial transactions |
| US20070267479A1 (en) * | 2006-05-16 | 2007-11-22 | Chockstone, Inc. | Systems and methods for implementing parking transactions and other financial transactions |
| CA2668676C (en) | 2006-11-07 | 2016-01-05 | Security First Corp. | Systems and methods for distributing and securing data |
| US8904080B2 (en) | 2006-12-05 | 2014-12-02 | Security First Corp. | Tape backup method |
| BRPI0816772A2 (pt) | 2007-09-14 | 2015-03-24 | Security First Corp | Sistemas e métodos para controlar chaves criptográficas |
| US8341410B2 (en) * | 2007-10-08 | 2012-12-25 | Microsoft Corporation | Efficient certified email protocol |
| US8712802B1 (en) | 2007-10-08 | 2014-04-29 | United Services Automobile Association (Usaa) | Transferring a document |
| US8473756B2 (en) * | 2008-01-07 | 2013-06-25 | Security First Corp. | Systems and methods for securing data using multi-factor or keyed dispersal |
| EP2163067B1 (en) | 2008-02-22 | 2013-12-25 | Security First Corp. | Systems and methods for secure workgroup management and communication |
| US9563881B2 (en) * | 2008-06-27 | 2017-02-07 | Microsoft Technology Licensing, Llc | Fair payment protocol with semi-trusted third party |
| WO2010104543A2 (en) * | 2008-12-31 | 2010-09-16 | Arizona Board Of Regents, For And On Behalf Of Arizona State University | Integrated circuits secure from invasion and methods of manufacturing the same |
| CN102428686A (zh) * | 2009-05-19 | 2012-04-25 | 安全第一公司 | 用于安全保护云中的数据的系统和方法 |
| JP5650238B2 (ja) | 2009-11-25 | 2015-01-07 | セキュリティー ファースト コープ. | 移動中のデータをセキュア化するためのシステムおよび方法 |
| EP2553905B1 (en) | 2010-03-31 | 2018-05-09 | Security First Corp. | Systems and methods for securing data in motion |
| US8824492B2 (en) | 2010-05-28 | 2014-09-02 | Drc Computer Corporation | Accelerator system for remote data storage |
| EP2651072A3 (en) | 2010-09-20 | 2013-10-23 | Security First Corp. | Systems and methods for secure data sharing |
| US10395247B2 (en) | 2012-03-07 | 2019-08-27 | Early Warning Services, Llc | Systems and methods for facilitating a secure transaction at a non-financial institution system |
| US9626664B2 (en) | 2012-03-07 | 2017-04-18 | Clearxchange, Llc | System and method for transferring funds |
| US10318936B2 (en) | 2012-03-07 | 2019-06-11 | Early Warning Services, Llc | System and method for transferring funds |
| US11593800B2 (en) | 2012-03-07 | 2023-02-28 | Early Warning Services, Llc | System and method for transferring funds |
| US10970688B2 (en) | 2012-03-07 | 2021-04-06 | Early Warning Services, Llc | System and method for transferring funds |
| US10395223B2 (en) | 2012-03-07 | 2019-08-27 | Early Warning Services, Llc | System and method for transferring funds |
| HK1219160A1 (zh) | 2013-02-13 | 2017-03-24 | Security First Corp. | 用於加密文件系统层的系统和方法 |
| US10031679B2 (en) | 2014-11-21 | 2018-07-24 | Security First Corp. | Gateway for cloud-based secure storage |
| HK1243536A1 (zh) * | 2015-02-17 | 2018-07-13 | Visa International Service Association | 云加密密钥中介设备、方法和系统 |
| US10157339B2 (en) * | 2015-03-03 | 2018-12-18 | WonderHealth, LLC | Access control for encrypted data in machine-readable identifiers |
| US10769606B2 (en) | 2015-03-23 | 2020-09-08 | Early Warning Services, Llc | Payment real-time funds availability |
| US10839359B2 (en) | 2015-03-23 | 2020-11-17 | Early Warning Services, Llc | Payment real-time funds availability |
| US10832246B2 (en) | 2015-03-23 | 2020-11-10 | Early Warning Services, Llc | Payment real-time funds availability |
| US10878387B2 (en) | 2015-03-23 | 2020-12-29 | Early Warning Services, Llc | Real-time determination of funds availability for checks and ACH items |
| US10748127B2 (en) | 2015-03-23 | 2020-08-18 | Early Warning Services, Llc | Payment real-time funds availability |
| US11386410B2 (en) | 2015-07-21 | 2022-07-12 | Early Warning Services, Llc | Secure transactions with offline device |
| US10956888B2 (en) | 2015-07-21 | 2021-03-23 | Early Warning Services, Llc | Secure real-time transactions |
| US10438175B2 (en) | 2015-07-21 | 2019-10-08 | Early Warning Services, Llc | Secure real-time payment transactions |
| US11037122B2 (en) | 2015-07-21 | 2021-06-15 | Early Warning Services, Llc | Secure real-time transactions |
| US11157884B2 (en) | 2015-07-21 | 2021-10-26 | Early Warning Services, Llc | Secure transactions with offline device |
| US11151523B2 (en) | 2015-07-21 | 2021-10-19 | Early Warning Services, Llc | Secure transactions with offline device |
| US10970695B2 (en) | 2015-07-21 | 2021-04-06 | Early Warning Services, Llc | Secure real-time transactions |
| US11151522B2 (en) | 2015-07-21 | 2021-10-19 | Early Warning Services, Llc | Secure transactions with offline device |
| US10963856B2 (en) | 2015-07-21 | 2021-03-30 | Early Warning Services, Llc | Secure real-time transactions |
| US11062290B2 (en) | 2015-07-21 | 2021-07-13 | Early Warning Services, Llc | Secure real-time transactions |
| US11037121B2 (en) | 2015-07-21 | 2021-06-15 | Early Warning Services, Llc | Secure real-time transactions |
| US11151566B2 (en) | 2016-09-19 | 2021-10-19 | Early Warning Services, Llc | Authentication and fraud prevention in provisioning a mobile wallet |
| WO2019210256A1 (en) * | 2018-04-27 | 2019-10-31 | Social Wallet, Inc. | Systems and methods for zero knowledge crypto-asset exchange |
| US11487886B2 (en) | 2019-05-03 | 2022-11-01 | International Business Machines Corporation | Database private document sharing |
| US20220286291A1 (en) * | 2019-08-23 | 2022-09-08 | Commonwealth Scientific And Industrial Research Organisation | Secure environment for cryptographic key generation |
| US11361112B2 (en) | 2020-07-07 | 2022-06-14 | Mastercard International Incorporated | Managing secure document exchanges |
Family Cites Families (41)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4841433A (en) * | 1986-11-26 | 1989-06-20 | American Telephone And Telegraph Company, At&T Bell Laboratories | Method and apparatus for accessing data from data attribute tables |
| JPH0420697U (enExample) * | 1990-06-13 | 1992-02-20 | ||
| US5150407A (en) * | 1991-12-16 | 1992-09-22 | Chan Steve S C | Secured data storage devices |
| JP2659896B2 (ja) * | 1992-04-29 | 1997-09-30 | インターナショナル・ビジネス・マシーンズ・コーポレイション | 構造化文書複製管理方法及び構造化文書複製管理装置 |
| US5301247A (en) * | 1992-07-23 | 1994-04-05 | Crest Industries, Inc. | Method for ensuring secure communications |
| US5222136A (en) * | 1992-07-23 | 1993-06-22 | Crest Industries, Inc. | Encrypted communication system |
| US5310997A (en) * | 1992-09-10 | 1994-05-10 | Tandy Corporation | Automated order and delivery system |
| GB2274229A (en) * | 1992-12-19 | 1994-07-13 | Ibm | Cryptography system. |
| US5392336A (en) * | 1993-05-27 | 1995-02-21 | At&T Corp. | Data message storage and pick up service |
| US5794207A (en) * | 1996-09-04 | 1998-08-11 | Walker Asset Management Limited Partnership | Method and apparatus for a cryptographically assisted commercial network system designed to facilitate buyer-driven conditional purchase offers |
| HU216231B (hu) * | 1994-01-13 | 1999-05-28 | Certco, Llc | Eljárás titkosított kommunikáció létrehozására |
| US6744894B1 (en) * | 1994-04-01 | 2004-06-01 | Mitsubishi Corporation | Data management system |
| FR2722930B1 (fr) * | 1994-07-20 | 1996-10-04 | Serero Moise | Procede de stockage et d'obtention de copies de documents a distance et systeme correspondant |
| US6041316A (en) * | 1994-07-25 | 2000-03-21 | Lucent Technologies Inc. | Method and system for ensuring royalty payments for data delivered over a network |
| US6741991B2 (en) * | 1994-09-30 | 2004-05-25 | Mitsubishi Corporation | Data management system |
| US5737419A (en) * | 1994-11-09 | 1998-04-07 | Bell Atlantic Network Services, Inc. | Computer system for securing communications using split private key asymmetric cryptography |
| JPH08263438A (ja) * | 1994-11-23 | 1996-10-11 | Xerox Corp | ディジタルワークの配給及び使用制御システム並びにディジタルワークへのアクセス制御方法 |
| US5629980A (en) * | 1994-11-23 | 1997-05-13 | Xerox Corporation | System for controlling the distribution and use of digital works |
| EP1515216B1 (en) * | 1995-02-13 | 2014-09-24 | Intertrust Technologies Corporation | Systems and methods for secure transaction management and electronic rights protection |
| US5553145A (en) * | 1995-03-21 | 1996-09-03 | Micali; Silvia | Simultaneous electronic transactions with visible trusted parties |
| IL113259A (en) * | 1995-04-05 | 2001-03-19 | Diversinet Corp | A device and method for a secure interface for secure communication and data transfer |
| US5623546A (en) * | 1995-06-23 | 1997-04-22 | Motorola, Inc. | Encryption method and system for portable data |
| US5671280A (en) * | 1995-08-30 | 1997-09-23 | Citibank, N.A. | System and method for commercial payments using trusted agents |
| US6026163A (en) * | 1995-12-13 | 2000-02-15 | Micali; Silvio | Distributed split-key cryptosystem and applications |
| US5666414A (en) * | 1996-03-21 | 1997-09-09 | Micali; Silvio | Guaranteed partial key-escrow |
| US5841864A (en) * | 1996-08-05 | 1998-11-24 | Motorola Inc. | Apparatus and method for authentication and session key exchange in a communication system |
| JP2000515649A (ja) * | 1996-08-07 | 2000-11-21 | バンカーズ・トラスト・コーポレーション | 見ることができ信頼できる当事者による同時性電子トランザクション |
| US5784460A (en) * | 1996-10-10 | 1998-07-21 | Protocall Technolgies, Inc. | Secured electronic information delivery system having a three-tier structure |
| US5889860A (en) * | 1996-11-08 | 1999-03-30 | Sunhawk Corporation, Inc. | Encryption system with transaction coded decryption key |
| US6192473B1 (en) * | 1996-12-24 | 2001-02-20 | Pitney Bowes Inc. | System and method for mutual authentication and secure communications between a postage security device and a meter server |
| JPH10200519A (ja) | 1997-01-06 | 1998-07-31 | Murata Mach Ltd | 通信端末装置 |
| WO1998032113A1 (en) * | 1997-01-17 | 1998-07-23 | Ntt Data Corporation | Method and system for controlling key for electronic signature |
| US5923754A (en) * | 1997-05-02 | 1999-07-13 | Compaq Computer Corporation | Copy protection for recorded media |
| CA2242526C (en) * | 1997-07-10 | 2001-09-11 | Yamaha Corporation | Method and device for incorporating additional information into main information through electronic watermarking technique |
| US6084968A (en) * | 1997-10-29 | 2000-07-04 | Motorola, Inc. | Security token and method for wireless applications |
| US6385728B1 (en) * | 1997-11-26 | 2002-05-07 | International Business Machines Corporation | System, method, and program for providing will-call certificates for guaranteeing authorization for a printer to retrieve a file directly from a file server upon request from a client in a network computer system environment |
| US6185685B1 (en) * | 1997-12-11 | 2001-02-06 | International Business Machines Corporation | Security method and system for persistent storage and communications on computer network systems and computer network systems employing the same |
| EP0936805A1 (en) * | 1998-02-12 | 1999-08-18 | Hewlett-Packard Company | Document transfer systems |
| US6513117B2 (en) * | 1998-03-04 | 2003-01-28 | Gemstar Development Corporation | Certificate handling for digital rights management system |
| US6226618B1 (en) * | 1998-08-13 | 2001-05-01 | International Business Machines Corporation | Electronic content delivery system |
| US6519700B1 (en) * | 1998-10-23 | 2003-02-11 | Contentguard Holdings, Inc. | Self-protecting documents |
-
1998
- 1998-02-12 EP EP98301021A patent/EP0936805A1/en not_active Ceased
-
1999
- 1999-01-20 JP JP11011829A patent/JP2000066588A/ja not_active Withdrawn
- 1999-02-11 US US09/248,676 patent/US6446051B1/en not_active Expired - Lifetime
-
2002
- 2002-01-18 US US10/052,363 patent/US7058605B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US7058605B2 (en) | 2006-06-06 |
| US6446051B1 (en) | 2002-09-03 |
| US20020091640A1 (en) | 2002-07-11 |
| EP0936805A1 (en) | 1999-08-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2000066588A (ja) | 暗号方法 | |
| CN110493347B (zh) | 基于区块链的大规模云存储中数据访问控制方法及系统 | |
| US6915434B1 (en) | Electronic data storage apparatus with key management function and electronic data storage method | |
| US5809144A (en) | Method and apparatus for purchasing and delivering digital goods over a network | |
| US8688973B2 (en) | Securing communications sent by a first user to a second user | |
| US7516321B2 (en) | Method, system and device for enabling delegation of authority and access control methods based on delegated authority | |
| US20040165728A1 (en) | Limiting service provision to group members | |
| CN115549887A (zh) | 用于信息的安全交换的公共秘密的确定和层级确定性密钥 | |
| US8510789B2 (en) | Data output method, system and apparatus | |
| GB2339125A (en) | A mechanism for secure tendering in an open electronic network | |
| CN110380845B (zh) | 基于群组对称密钥池的量子保密通信联盟链交易方法、系统、设备 | |
| CN113783854B (zh) | 基于区块链的信用数据跨链共享方法及装置 | |
| CN113158143A (zh) | 一种基于区块链数字版权保护系统的密钥管理方法及装置 | |
| Win et al. | Privacy enabled digital rights management without trusted third party assumption | |
| CN112508576A (zh) | 基于区块链的密钥管理方法、系统及存储介质 | |
| Canard et al. | Trapdoor sanitizable signatures and their application to content protection | |
| US9454755B2 (en) | Transaction method between two entities providing anonymity revocation for tree-based schemes without trusted party | |
| Vogt et al. | Modular fair exchange protocols for electronic commerce | |
| EP1473868A1 (en) | Method and apparatus for passing data securely between parties | |
| CN117094825A (zh) | 一种基于区块链的跨链可信土地交易系统及方法 | |
| US20050102523A1 (en) | Smartcard with cryptographic functionality and method and system for using such cards | |
| US20250141673A1 (en) | Methods and arrangements for establishing digital identity | |
| Frattolillo | Watermarking protocols: An excursus to motivate a new approach | |
| Gunupudi et al. | Generalized non-interactive oblivious transfer using count-limited objects with applications to secure mobile agents | |
| Zhang et al. | Practical and efficient fair document exchange over networks |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20051205 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20051205 |
|
| A761 | Written withdrawal of application |
Free format text: JAPANESE INTERMEDIATE CODE: A761 Effective date: 20080529 |