CA2515018A1 - System for on-line and off-line decryption - Google Patents
System for on-line and off-line decryption Download PDFInfo
- Publication number
- CA2515018A1 CA2515018A1 CA002515018A CA2515018A CA2515018A1 CA 2515018 A1 CA2515018 A1 CA 2515018A1 CA 002515018 A CA002515018 A CA 002515018A CA 2515018 A CA2515018 A CA 2515018A CA 2515018 A1 CA2515018 A1 CA 2515018A1
- Authority
- CA
- Canada
- Prior art keywords
- key
- message
- recipient
- envelope
- verifier
- 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.)
- Abandoned
Links
- 238000004891 communication Methods 0.000 claims abstract description 36
- 238000000034 method Methods 0.000 claims description 67
- 230000000694 effects Effects 0.000 description 13
- 230000008901 benefit Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 230000003993 interaction Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000012550 audit Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910000078 germane Inorganic materials 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
- H04L63/0435—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply symmetric encryption, i.e. same key used for encryption and decryption
-
- 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
- H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
- H04L9/083—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP]
-
- 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
- H04L9/0838—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these
- H04L9/0841—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these involving Diffie-Hellman or related key agreement protocols
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Storage Device Security (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US44906803P | 2003-02-20 | 2003-02-20 | |
| US60/449,068 | 2003-02-20 | ||
| US10/250,004 | 2003-05-27 | ||
| US10/250,004 US7783044B2 (en) | 2003-02-20 | 2003-05-27 | System for on-line and off-line decryption |
| PCT/US2003/019953 WO2004077290A1 (en) | 2003-02-20 | 2003-06-25 | System for on-line and off-line decryption |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2515018A1 true CA2515018A1 (en) | 2004-09-10 |
Family
ID=32871536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002515018A Abandoned CA2515018A1 (en) | 2003-02-20 | 2003-06-25 | System for on-line and off-line decryption |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US7783044B2 (enExample) |
| EP (1) | EP1595207A1 (enExample) |
| JP (1) | JP2006514478A (enExample) |
| AU (1) | AU2003303979B2 (enExample) |
| CA (1) | CA2515018A1 (enExample) |
| WO (1) | WO2004077290A1 (enExample) |
Families Citing this family (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6253061B1 (en) | 1997-09-19 | 2001-06-26 | Richard J. Helferich | Systems and methods for delivering information to a transmitting and receiving device |
| US7003304B1 (en) | 1997-09-19 | 2006-02-21 | Thompson Investment Group, Llc | Paging transceivers and methods for selectively retrieving messages |
| US6636733B1 (en) | 1997-09-19 | 2003-10-21 | Thompson Trust | Wireless messaging method |
| US6826407B1 (en) | 1999-03-29 | 2004-11-30 | Richard J. Helferich | System and method for integrating audio and visual messaging |
| US6983138B1 (en) | 1997-12-12 | 2006-01-03 | Richard J. Helferich | User interface for message access |
| US8561167B2 (en) | 2002-03-08 | 2013-10-15 | Mcafee, Inc. | Web reputation scoring |
| US20060015942A1 (en) | 2002-03-08 | 2006-01-19 | Ciphertrust, Inc. | Systems and methods for classification of messaging entities |
| US8578480B2 (en) | 2002-03-08 | 2013-11-05 | Mcafee, Inc. | Systems and methods for identifying potentially malicious messages |
| US7783044B2 (en) * | 2003-02-20 | 2010-08-24 | Proofpoint, Inc. | System for on-line and off-line decryption |
| US8117273B1 (en) * | 2003-07-11 | 2012-02-14 | Mcafee, Inc. | System, device and method for dynamically securing instant messages |
| US7930412B2 (en) * | 2003-09-30 | 2011-04-19 | Bce Inc. | System and method for secure access |
| US8190893B2 (en) * | 2003-10-27 | 2012-05-29 | Jp Morgan Chase Bank | Portable security transaction protocol |
| JP4509611B2 (ja) * | 2004-03-18 | 2010-07-21 | 東芝ソリューション株式会社 | 電子署名保証システム、プログラム及び装置 |
| US8635690B2 (en) | 2004-11-05 | 2014-01-21 | Mcafee, Inc. | Reputation based message processing |
| US20090271627A1 (en) * | 2005-09-26 | 2009-10-29 | Ram Cohen | Secure Data Transmission |
| JP4760385B2 (ja) * | 2006-01-11 | 2011-08-31 | 沖電気工業株式会社 | 暗号化システム |
| JP2008177683A (ja) * | 2007-01-16 | 2008-07-31 | Kyocera Mita Corp | データ提供システム、データ受領システム、データ提供方法、データ提供プログラム及びデータ受領プログラム |
| US8763114B2 (en) | 2007-01-24 | 2014-06-24 | Mcafee, Inc. | Detecting image spam |
| US8214497B2 (en) | 2007-01-24 | 2012-07-03 | Mcafee, Inc. | Multi-dimensional reputation scoring |
| US7779156B2 (en) * | 2007-01-24 | 2010-08-17 | Mcafee, Inc. | Reputation based load balancing |
| US8185930B2 (en) | 2007-11-06 | 2012-05-22 | Mcafee, Inc. | Adjusting filter or classification control settings |
| IL187624A0 (en) * | 2007-11-25 | 2008-03-20 | Ram Cohen | Secure messaging |
| US8806207B2 (en) * | 2007-12-21 | 2014-08-12 | Cocoon Data Holdings Limited | System and method for securing data |
| US8589503B2 (en) | 2008-04-04 | 2013-11-19 | Mcafee, Inc. | Prioritizing network traffic |
| JP5440053B2 (ja) | 2009-09-14 | 2014-03-12 | ソニー株式会社 | 情報処理装置及び情報処理方法、並びにコンピューター・プログラム |
| US8621638B2 (en) | 2010-05-14 | 2013-12-31 | Mcafee, Inc. | Systems and methods for classification of messaging entities |
| US9071565B2 (en) | 2012-11-05 | 2015-06-30 | Qualcomm Incorporated | Optimizing offline message (network history) delivery for users accessing an application from a single device |
| CN105379187B (zh) * | 2013-05-02 | 2019-05-10 | 瑞典爱立信有限公司 | 性能监控数据处理 |
| US9954837B2 (en) | 2015-01-07 | 2018-04-24 | Cyph, Inc. | Method of multi-factor authenication during encrypted communications |
| US9832179B2 (en) * | 2015-02-25 | 2017-11-28 | Red Hat Israel, Ltd. | Stateless server-based encryption associated with a distribution list |
| US9509500B2 (en) * | 2015-03-31 | 2016-11-29 | Here Global B.V. | Method and apparatus for migrating encrypted data |
| HK1258732A1 (zh) * | 2015-07-08 | 2019-11-15 | 巴克莱执行服务有限公司 | 数据确证和存储 |
| CN111179475B (zh) * | 2020-01-10 | 2020-11-24 | 广东科徕尼智能科技有限公司 | 一种离线生成临时密码的系统及方法 |
| CN111277574B (zh) * | 2020-01-14 | 2022-05-17 | 杭州涂鸦信息技术有限公司 | 一种共享设备安全通信时效性离线秘钥生成方法及系统 |
| US11750572B2 (en) * | 2020-08-12 | 2023-09-05 | Capital One Services, Llc | System, method, and computer-accessible medium for hiding messages sent to third parties |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5790677A (en) * | 1995-06-29 | 1998-08-04 | Microsoft Corporation | System and method for secure electronic commerce transactions |
| US6581162B1 (en) * | 1996-12-31 | 2003-06-17 | Compaq Information Technologies Group, L.P. | Method for securely creating, storing and using encryption keys in a computer system |
| US6009173A (en) * | 1997-01-31 | 1999-12-28 | Motorola, Inc. | Encryption and decryption method and apparatus |
| US6011849A (en) * | 1997-08-28 | 2000-01-04 | Syndata Technologies, Inc. | Encryption-based selection system for steganography |
| US6826407B1 (en) * | 1999-03-29 | 2004-11-30 | Richard J. Helferich | System and method for integrating audio and visual messaging |
| US6253061B1 (en) * | 1997-09-19 | 2001-06-26 | Richard J. Helferich | Systems and methods for delivering information to a transmitting and receiving device |
| US6160891A (en) * | 1997-10-20 | 2000-12-12 | Sun Microsystems, Inc. | Methods and apparatus for recovering keys |
| US6247127B1 (en) * | 1997-12-19 | 2001-06-12 | Entrust Technologies Ltd. | Method and apparatus for providing off-line secure communications |
| GB9929364D0 (en) * | 1999-12-10 | 2000-02-02 | Microbar Security Limited | Improvements in or relating to coding techniques |
| US6584564B2 (en) * | 2000-04-25 | 2003-06-24 | Sigaba Corporation | Secure e-mail system |
| ATE399405T1 (de) * | 2001-02-22 | 2008-07-15 | Bea Systems Inc | System und verfahren zum verschlüsseln von nachrichten und zum registrieren in einem transaktionsverarbeitungssystem |
| AU2002332671A1 (en) * | 2001-08-13 | 2003-03-03 | Board Of Trustees Of The Leland Stanford Junior University | Systems and methods for identity-based encryption and related cryptographic techniques |
| JP3524901B2 (ja) * | 2001-12-03 | 2004-05-10 | おべ工業株式会社 | 移動体におけるピットカバー開閉装置 |
| US7693285B2 (en) * | 2002-03-06 | 2010-04-06 | Entrust, Inc. | Secure communication apparatus and method |
| JP2004112461A (ja) * | 2002-09-19 | 2004-04-08 | Sony Corp | データ処理方法、そのプログラムおよびその装置 |
| US7783044B2 (en) * | 2003-02-20 | 2010-08-24 | Proofpoint, Inc. | System for on-line and off-line decryption |
| US8117273B1 (en) * | 2003-07-11 | 2012-02-14 | Mcafee, Inc. | System, device and method for dynamically securing instant messages |
| US7594116B2 (en) * | 2005-04-28 | 2009-09-22 | Proofpoint, Inc. | Mediated key exchange between source and target of communication |
| JP2008177683A (ja) * | 2007-01-16 | 2008-07-31 | Kyocera Mita Corp | データ提供システム、データ受領システム、データ提供方法、データ提供プログラム及びデータ受領プログラム |
-
2003
- 2003-05-27 US US10/250,004 patent/US7783044B2/en active Active
- 2003-06-25 WO PCT/US2003/019953 patent/WO2004077290A1/en not_active Ceased
- 2003-06-25 EP EP03742178A patent/EP1595207A1/en not_active Withdrawn
- 2003-06-25 JP JP2004568844A patent/JP2006514478A/ja not_active Withdrawn
- 2003-06-25 AU AU2003303979A patent/AU2003303979B2/en not_active Ceased
- 2003-06-25 CA CA002515018A patent/CA2515018A1/en not_active Abandoned
-
2010
- 2010-07-20 US US12/839,879 patent/US8315393B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| WO2004077290A1 (en) | 2004-09-10 |
| JP2006514478A (ja) | 2006-04-27 |
| US20110110524A1 (en) | 2011-05-12 |
| US7783044B2 (en) | 2010-08-24 |
| EP1595207A1 (en) | 2005-11-16 |
| AU2003303979A1 (en) | 2004-09-17 |
| AU2003303979B2 (en) | 2007-05-24 |
| US20040165727A1 (en) | 2004-08-26 |
| US8315393B2 (en) | 2012-11-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8315393B2 (en) | System for on-line and off-line decryption | |
| US7624269B2 (en) | Secure messaging system with derived keys | |
| US6092201A (en) | Method and apparatus for extending secure communication operations via a shared list | |
| US7395549B1 (en) | Method and apparatus for providing a key distribution center without storing long-term server secrets | |
| US7596689B2 (en) | Secure and reliable document delivery using routing lists | |
| US6988199B2 (en) | Secure and reliable document delivery | |
| US7594116B2 (en) | Mediated key exchange between source and target of communication | |
| AU2452699A (en) | Client side public key authentication method and apparatus with short-lived certificates | |
| EP0695985A1 (en) | Logon certificates | |
| US20020126850A1 (en) | Method and apparatus for cryptographic key storage wherein key servers are authenticated by possession and secure distribution of stored keys | |
| US20090210708A1 (en) | Systems and Methods for Authenticating and Authorizing a Message Receiver | |
| US20040148500A1 (en) | System for implementing business processes using key server events | |
| JP2010522488A (ja) | 復号鍵を配布するために鍵の取り出しを要求する安全な電子メッセージングシステム | |
| CA2506120A1 (en) | Key server for security and implementing processes with nonrepudiation and audit | |
| US20020146132A1 (en) | System for seamlessly updating service keys with automatic recovery | |
| US20070266249A1 (en) | Implicit trust of authorship certification | |
| US20050138367A1 (en) | System and method for storing user credentials on a server copyright notice | |
| Karatsiolis et al. | Using ldap directories for management of pki processes | |
| Zhou et al. | An efficient public-key framework | |
| JPH0946335A (ja) | 電子メッセージ交換方法およびシステムおよび電子メッセージ交換処理用記憶媒体 | |
| KR20020043973A (ko) | 다중 에이전트를 이용한 키 복구 시스템 및 그 방법 | |
| JP2005311909A (ja) | 暗号化文書データ授受処理方法 | |
| CN115278666A (zh) | 基于无线通信技术的主动加密网络信息安全传输系统 | |
| Alagappan et al. | SPX Guide | |
| WO2002033891A2 (en) | Secure and reliable document delivery using routing lists |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |