IC memory card

Details IC memory card IC memory card

1997-03-19

2000-06-20

Laufer, Pinchus M.

Electrical computers and digital processing systems: support

Data processing protection using cryptography

By stored data protection

713183, 713202, 711164, G06F 1214

Patent

active

060790199

ABSTRACT:
An IC memory card having an interface circuit complying with PC card standard and a memory comprises a password check circuit for comparing a password input from an external computer with a predetermined password and one or both of a data decipherment circuit for deciphering enciphered data stored in the memory if the passwords coincide with each other and a data encipherment circuit for enciphering data input from the external computer if the passwords coincide with each other.

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patent: 5825878 (1998-10-01), Takahashi et al.
patent: 5875480 (1999-02-01), Le Roux et al.

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