06978369 is referenced by 101 patents and cites 133 patents.

In a method of managing a database of existing accounts (214) for account holders (202), each account holder (202) has multiple accounts with one or more account authorities (212) for use of a single device with multiple accounts, with each account of each account holder being associated with a public key of a public-private key pair of that account holder. A record of information pertaining to all accounts of a particular account holder is maintained in a central location by a central key authority. The information for that account includes the public keys of that account holder. The central key authority transfers information from the record for an account holder to a new account authority for which that account holder desires to establish a new account; the central key authority also receives information from account authorities for inclusion in the record centrally maintained for that account holder.

Title
Person-centric account-based digital signature system
Application Number
10/343678
Publication Number
6978369 (B2)
Application Date
August 6, 2001
Publication Date
December 20, 2005
Inventor
Anne M Wheeler
Denver
CO, US
Lynn Henry Wheeler
Denver
CO, US
Agent
Morris Manning & Martin
Assignee
First Data Corporation
CO, US
IPC
H04L 009/00
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