Patent · US Expired

End-to-end encryption system and method of operation

US4423287A · kind A · utility

292Cited by
17References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 26, 1981
Grant dateDec 27, 1983
Priority date
Expiry dateJun 26, 2001

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06Q20/4012
  • WIPO fieldIT methods for management
  • WIPO sectorElectrical engineering

Abstract

An efficient end-to-end encryption system including key management procedures for providing secure, financial data communication between a system user at one of a plurality of transaction terminals of one of a plurality of acquirer institutions and one of a plurality of issuer institutions, with selected elements of the data being encrypted, decrypted, and processed using a one time session key which is similarly encrypted with master keys and efficiently sent along with the specific segments of the request and response messages.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.