Telegraphy – Systems – Printing
Patent
1981-06-26
1983-12-27
Cangialosi, Sal
Telegraphy
Systems
Printing
34082534, 235379, 235382, H04L 900
Patent
active
044232870
ABSTRACT:
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.
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Cangialosi Sal
VISA U.S.A. Inc.
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