04423287 is referenced by 240 patents and cites 18 patents.

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.

Title
End-to-end encryption system and method of operation
Application Number
6/278001
Publication Number
4423287
Application Date
June 26, 1981
Publication Date
December 27, 1983
Inventor
Howard M Zeidler
Palo Alto
CA, US
Agent
Limbach Limbach & Sutton
Assignee
VISA U
CA, US
IPC
H04L 9/00
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