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
• • 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
  • H04L51/21—Monitoring or handling of messages
  • H04L51/234—Monitoring or handling of messages for tracking messages
• • 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
  • H04L63/0478—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 multiple layers of encryption, e.g. nested tunnels or encrypting the content with a first key and then with at least a second key
• • 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
  • 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

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)
• Communication Control (AREA)
• Exchange Systems With Centralized Control (AREA)
• Computer And Data Communications (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=10839220

Family Applications (1)

Country Status (14)

Families Citing this family (9)

Family Cites Families (2)

• 1998
  • 1998-09-21 GB GBGB9820558.6A patent/GB9820558D0/en not_active Ceased
• 1999
  • 1999-09-21 EP EP99949116A patent/EP1116368B8/de not_active Expired - Lifetime
  • 1999-09-21 ES ES99949116T patent/ES2244217T3/es not_active Expired - Lifetime
  • 1999-09-21 AT AT99949116T patent/ATE298488T1/de not_active IP Right Cessation
  • 1999-09-21 GB GB0106672A patent/GB2359226B/en not_active Expired - Fee Related
  • 1999-09-21 DK DK99949116T patent/DK1116368T3/da active
  • 1999-09-21 PT PT99949116T patent/PT1116368E/pt unknown
  • 1999-09-21 AU AU62111/99A patent/AU760566B2/en not_active Ceased
  • 1999-09-21 WO PCT/GB1999/003140 patent/WO2000018060A2/en not_active Ceased
  • 1999-09-21 IL IL14211199A patent/IL142111A0/xx not_active IP Right Cessation
  • 1999-09-21 HK HK02101005.9A patent/HK1040469B/zh not_active IP Right Cessation
  • 1999-09-21 DE DE69925923T patent/DE69925923T2/de not_active Expired - Fee Related
  • 1999-09-21 NZ NZ510611A patent/NZ510611A/xx unknown
  • 1999-09-21 CA CA002344689A patent/CA2344689C/en not_active Expired - Fee Related
• 2001
  • 2001-03-15 ZA ZA200102154A patent/ZA200102154B/en unknown

Also Published As

Similar Documents

Legal Events