GB2434947B - Electronic data communication system - Google Patents

Electronic data communication system

Info

Publication number
GB2434947B
GB2434947B GB0602131A GB0602131A GB2434947B GB 2434947 B GB2434947 B GB 2434947B GB 0602131 A GB0602131 A GB 0602131A GB 0602131 A GB0602131 A GB 0602131A GB 2434947 B GB2434947 B GB 2434947B
Authority
GB
United Kingdom
Prior art keywords
communication system
data communication
electronic data
electronic
data
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
Application number
GB0602131A
Other languages
English (en)
Other versions
GB0602131D0 (en
GB2434947A (en
Inventor
Andrew Dancer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Trend Micro Ltd
Original Assignee
Identum Ltd
Trend Micro Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Identum Ltd, Trend Micro Ltd filed Critical Identum Ltd
Priority to GB0602131A priority Critical patent/GB2434947B/en
Publication of GB0602131D0 publication Critical patent/GB0602131D0/en
Priority to CN200780004465.2A priority patent/CN101416467B/zh
Priority to PCT/GB2007/000300 priority patent/WO2007088337A2/en
Priority to US12/162,868 priority patent/US8321669B2/en
Priority to JP2008552876A priority patent/JP5028425B2/ja
Publication of GB2434947A publication Critical patent/GB2434947A/en
Application granted granted Critical
Publication of GB2434947B publication Critical patent/GB2434947B/en
Priority to US13/658,572 priority patent/US9667418B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H04L9/08—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
    • 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)
    • H04L9/0825—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) using asymmetric-key encryption or public key infrastructure [PKI], e.g. key signature or public key certificates
    • H04L29/0668—
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
    • 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
    • H04L63/045—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 hybrid encryption, i.e. combination of symmetric and asymmetric encryption
    • H04L9/0802—
    • 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
    • H04L2209/76—Proxy, i.e. using intermediary entity to perform cryptographic operations
    • 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
    • H04L63/0471—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 applying encryption by an intermediary, e.g. receiving clear information at the intermediary and encrypting the received information at the intermediary before forwarding
    • 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
    • H04L63/12—Applying verification of the received information
    • H04L63/126—Applying verification of the received information the source of the received data

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)
  • Information Transfer Between Computers (AREA)
  • Computer And Data Communications (AREA)
GB0602131A 2006-02-02 2006-02-02 Electronic data communication system Expired - Fee Related GB2434947B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB0602131A GB2434947B (en) 2006-02-02 2006-02-02 Electronic data communication system
JP2008552876A JP5028425B2 (ja) 2006-02-02 2007-01-30 電子データ通信システム
PCT/GB2007/000300 WO2007088337A2 (en) 2006-02-02 2007-01-30 Kem-dem encrpyted electronic data communication system
US12/162,868 US8321669B2 (en) 2006-02-02 2007-01-30 Electronic data communication system
CN200780004465.2A CN101416467B (zh) 2006-02-02 2007-01-30 Kem-dem加密电子数据通信系统
US13/658,572 US9667418B2 (en) 2006-02-02 2012-10-23 Electronic data communication system with encryption for electronic messages

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0602131A GB2434947B (en) 2006-02-02 2006-02-02 Electronic data communication system

Publications (3)

Publication Number Publication Date
GB0602131D0 GB0602131D0 (en) 2006-03-15
GB2434947A GB2434947A (en) 2007-08-08
GB2434947B true GB2434947B (en) 2011-01-26

Family

ID=36100936

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0602131A Expired - Fee Related GB2434947B (en) 2006-02-02 2006-02-02 Electronic data communication system

Country Status (5)

Country Link
US (2) US8321669B2 (https=)
JP (1) JP5028425B2 (https=)
CN (1) CN101416467B (https=)
GB (1) GB2434947B (https=)
WO (1) WO2007088337A2 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111049738A (zh) * 2019-12-24 2020-04-21 杭州安司源科技有限公司 基于混合加密的电子邮件数据安全保护方法

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Publication number Priority date Publication date Assignee Title
CN111049738A (zh) * 2019-12-24 2020-04-21 杭州安司源科技有限公司 基于混合加密的电子邮件数据安全保护方法
CN111049738B (zh) * 2019-12-24 2022-04-22 杭州安司源科技有限公司 基于混合加密的电子邮件数据安全保护方法

Also Published As

Publication number Publication date
WO2007088337A3 (en) 2008-05-29
US20130046986A1 (en) 2013-02-21
JP5028425B2 (ja) 2012-09-19
GB0602131D0 (en) 2006-03-15
US20090307490A1 (en) 2009-12-10
JP2009525654A (ja) 2009-07-09
CN101416467B (zh) 2015-08-26
US8321669B2 (en) 2012-11-27
WO2007088337A2 (en) 2007-08-09
US9667418B2 (en) 2017-05-30
CN101416467A (zh) 2009-04-22
GB2434947A (en) 2007-08-08

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