Classifications

• • G—PHYSICS
  • G07—CHECKING-DEVICES
  • G07F—COIN-FREED OR LIKE APPARATUS
  • G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
  • G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
  • G07F7/10—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means together with a coded signal, e.g. in the form of personal identification information, like personal identification number [PIN] or biometric data
  • G07F7/1016—Devices or methods for securing the PIN and other transaction-data, e.g. by encryption
• • 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
• • 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)
  • H04L9/0827—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 distinctive intermediate devices or communication paths
• • 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
• • 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
  • H04L9/0891—Revocation or update of secret information, e.g. encryption key update or rekeying

Landscapes

• Engineering & Computer Science (AREA)
• Computer Security & Cryptography (AREA)
• Business, Economics & Management (AREA)
• Signal Processing (AREA)
• Computer Networks & Wireless Communication (AREA)
• General Physics & Mathematics (AREA)
• Accounting & Taxation (AREA)
• Physics & Mathematics (AREA)
• Finance (AREA)
• Theoretical Computer Science (AREA)
• General Business, Economics & Management (AREA)
• Strategic Management (AREA)
• Storage Device Security (AREA)
• Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
• Computer And Data Communications (AREA)
• Selective Calling Equipment (AREA)

Applications Claiming Priority (1)

Publications (2)

Family

ID=21912374

Family Applications (1)

Country Status (8)

Families Citing this family (108)

Family Cites Families (8)

• 1979
  • 1979-05-21 US US06/040,687 patent/US4288659A/en not_active Expired - Lifetime
• 1980
  • 1980-05-17 DE DE3018945A patent/DE3018945C2/de not_active Expired
  • 1980-05-19 FR FR8011108A patent/FR2457609A1/fr active Granted
  • 1980-05-20 CA CA000352278A patent/CA1141001A/en not_active Expired
  • 1980-05-20 BE BE0/200689A patent/BE883392A/fr not_active IP Right Cessation
  • 1980-05-21 JP JP55067682A patent/JPS5945990B2/ja not_active Expired
  • 1980-05-21 SE SE8003774A patent/SE441721B/sv not_active IP Right Cessation
  • 1980-05-21 GB GB8016820A patent/GB2050021B/en not_active Expired

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