Secure memory having anti-wire tapping

Details Secure memory having anti-wire tapping Secure memory having anti-wire tapping

1997-11-26

2000-07-25

Beausoliel, Jr., Robert W.

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Protection at a particular protocol layer

902 26, 705 41, G06F 1214

Patent

active

060947241

ABSTRACT:
According to a first aspect of the present invention, cryptography without a dedicated microprocessor on the smart card is employed to provide authentication of both the smart card and the smart card reader, and wherein the cryptography provides only a preselected number of attempts at authentication, if not reset, before access to the smart card is denied permanently. According to a second aspect of the present invention, access to each the memory zones of the smart card may be individually provided by cryptography, passwords or both.

REFERENCES:
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patent: 4742215 (1988-05-01), Daughters et al.
patent: 4757534 (1988-07-01), Matyas et al.
patent: 4802218 (1989-01-01), Wright et al.
patent: 4900903 (1990-02-01), Wright et al.
patent: 4910774 (1990-03-01), Barakat
patent: 5103478 (1992-04-01), Matyas et al.
patent: 5729717 (1998-03-01), Tamada et al.
patent: 5900606 (1999-05-01), Rigal et al.
patent: 5963980 (1999-10-01), Coulier et al.

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