Security infrastructure for electronic transactions

CAFC
  • US 5,745,574 A
  • Filed: 12/15/1995
  • Issued: 04/28/1998
  • Est. Priority Date: 12/15/1995
  • Status: Expired due to Term
First Claim
Patent Images

1. A certification system for issuance, distribution and verification of public key certificates which may be used for secure and authentic electronic transactions over open networks, comprising computer processes implementing certification servers, certification clients and certification protocols, in which:

  • a. one or more first computer processes are associated with at least one initial (root) registration authority,b. one or more second computer processes are associated with policy certification authorities,c. one or more third computer processes are associated with certification authorities, andd. one or more end-user computer processes or application computer processes are associated with respective end-users or user applications, ande. said one or more second computer processes hold a data structure certified by said registration authority, said one or more third computer processes hold a data structure certified either by one of said policy certification authorities or other certification authorities, and end-user or application computer processes hold a data structure certified by one or more of said certification authorities,whereby users and applications of said system are logically located at end-points of certification chains in a certification infrastructure.

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