Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Protection at a particular protocol layer
Patent
1998-05-22
2000-07-18
Beausoliel, Jr., Robert W.
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Protection at a particular protocol layer
713153, 705 64, H04L 900, G06F 1100
Patent
active
060922028
ABSTRACT:
A method and system for secure transactions. The method and system comprise a security co-processor and an interface for interfacing the security co-processor to a host computer system. The method and system wherein secure transaction processing is performed locally in the security co-processor and non-secure transaction processing is performed in the host computer system. The method and system further include means for providing trusted input coupled to the security co-processor. In addition, the method and system include a second interface coupled to the security co-processor for receiving sensitive data from a smart card, and a trusted display coupled to the security co-processor for providing true transaction information. One advantage of the method and system in accordance with the present invention is that transactions are protected from unauthorized intrusion and, in addition, participation is proven so that transactions cannot be repudiated. Another advantage is that the method and system maintain compatibility with smart cards technology. Yet another advantage is that, because the security co-processor has functionality, smart cards require built-in functionality only for storing sensitive data including account number and private-key and for providing digital signatures to prove participation. Moreover, smart cards can carry biometric data to be recognized by the method and system for an even more reliable proof of participation and card-holder verification. With less built-in functionality, the smart cards are less complex and less expensive. Finally, the method and system are easily implemented with current technology, and the overall cost of the system is reduced.
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Murray Eric Alan
Veil Leonard Scott
Ward Gary Paul
Weiss Richard Alan
Beausoliel, Jr. Robert W.
N*Able Technologies, Inc.
Revak Christopher Alan
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