End-to-end encryption system and method of operation
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United States of America Patent
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Dec 27, 1983
Grant Date -
N/A
app pub date -
Jun 26, 1981
filing date -
Jun 26, 1981
priority date (Note) -
Expired
status (Latency Note)
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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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