Personal key archive

  • US 5,495,533 A
  • Filed: 04/29/1994
  • Issued: 02/27/1996
  • Est. Priority Date: 04/29/1994
  • Status: Expired due to Term
First Claim
Patent Images

1. A computing system for automatically managing keys to encrypt and decrypt stored data;

  • comprising;

    an authentication server;

    a key client;

    a key generator;

    a key server;

    a key database;

    an encrypted data memory;

    said authentication server authenticates said user and provides said user with a ticket identifying said user;

    said key client of a creating user, when a creating user creates stored data invokes said generator to generate a key corresponding to said stored data to form encrypted stored data, said key is provided to said key server, said key client of said creating user uses said key to encrypt said stored data which is stored in said encrypted data memory;

    said key client of an accessing user, when an accessing user accesses said stored data, sends said ticket and identification data for said stored data to said key server, said key server obtains said authentification data from said ticket for said accessing user, said key server sends said key corresponding to said stored data to said key client of said accessing user, said key client of said accessing user uses said key to decrypt said encrypted stored data.

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