06047268 is referenced by 632 patents and cites 5 patents.

A method and apparatus for authenticating transactions accomplished over a data network utilizes a "cookie" containing both static information (user-identifying information) and dynamic information (transaction-based information). The transaction-oriented dynamic information portion comprises a random number and a sequence number, the latter tracking the number of billing transactions conducted by the user associated with the account number. The cookie, sent to the user's cookie file upon a previous transaction, is valid for only a single new transaction. A billing server, upon receiving the cookie containing the static and dynamic information portions, identifies the user from the account number in the static portion and accesses from an associated database the expected random number and sequence number that the billing server last sent to that user in the transaction-oriented dynamic portion. If the expected dynamic portion matches the received dynamic portion, the user is authenticated to proceed with the current transaction.

Title
Method and apparatus for billing for transactions conducted over the internet
Application Number
8/964274
Publication Number
6047268
Application Date
November 4, 1997
Publication Date
April 4, 2000
Inventor
Jean Tessier
Atlantic Highlands
NJ, US
Yzhak Ronen
West Windsor
NJ, US
Gideon Lidor
East Brunswick
NJ, US
Stephen J Griesmer
Westfield
NJ, US
Paul D Bartoli
Red Bank
NJ, US
Assignee
A T &T Corporation
NY, US
IPC
G06F 17/60
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