CN101416467B - Kem-dem加密电子数据通信系统 - Google Patents

Kem-dem加密电子数据通信系统 Download PDF

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Publication number
CN101416467B
CN101416467B CN200780004465.2A CN200780004465A CN101416467B CN 101416467 B CN101416467 B CN 101416467B CN 200780004465 A CN200780004465 A CN 200780004465A CN 101416467 B CN101416467 B CN 101416467B
Authority
CN
China
Prior art keywords
encrypted
message
session key
data
server
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
CN200780004465.2A
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English (en)
Chinese (zh)
Other versions
CN101416467A (zh
Inventor
安德鲁·当塞
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
Trend Micro Inc
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 Trend Micro Inc filed Critical Trend Micro Inc
Publication of CN101416467A publication Critical patent/CN101416467A/zh
Application granted granted Critical
Publication of CN101416467B publication Critical patent/CN101416467B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • 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)
CN200780004465.2A 2006-02-02 2007-01-30 Kem-dem加密电子数据通信系统 Expired - Fee Related CN101416467B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0602131A GB2434947B (en) 2006-02-02 2006-02-02 Electronic data communication system
GB0602131.5 2006-02-02
PCT/GB2007/000300 WO2007088337A2 (en) 2006-02-02 2007-01-30 Kem-dem encrpyted electronic data communication system

Publications (2)

Publication Number Publication Date
CN101416467A CN101416467A (zh) 2009-04-22
CN101416467B true CN101416467B (zh) 2015-08-26

Family

ID=36100936

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200780004465.2A Expired - Fee Related CN101416467B (zh) 2006-02-02 2007-01-30 Kem-dem加密电子数据通信系统

Country Status (5)

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

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Also Published As

Publication number Publication date
GB0602131D0 (en) 2006-03-15
JP2009525654A (ja) 2009-07-09
US9667418B2 (en) 2017-05-30
US20130046986A1 (en) 2013-02-21
CN101416467A (zh) 2009-04-22
US20090307490A1 (en) 2009-12-10
WO2007088337A2 (en) 2007-08-09
WO2007088337A3 (en) 2008-05-29
US8321669B2 (en) 2012-11-27
GB2434947B (en) 2011-01-26
GB2434947A (en) 2007-08-08
JP5028425B2 (ja) 2012-09-19

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