Cryptography – Cryptanalysis
Patent
1997-11-07
1999-09-28
Swann, Tod R.
Cryptography
Cryptanalysis
380 59, 707530, 707531, 707534, 707536, 707540, 707523, 704 2, 704 5, H04L 900
Patent
active
059600802
ABSTRACT:
A method for transforming an original message into a final message by including an untrusted service, includes the steps of identifying at least one sensitive term from the original message; replacing the at least one sensitive term with a standard token to create a sanitized message; storing the at least one sensitive term; transmitting the sanitized message to a provider of the untrusted service; performing the untrusted service on the sanitized message to create a serviced message; merging the serviced message with the at least one sensitive term stored in the storing step to create the final message.
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Brusseau Antoine
Fahlman Scott E.
Sukthankar Rahul
Callahan Paul E.
Justsystem Pittsburgh Research Center
Swann Tod R.
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