Computer keyboard that changes from normal mode to secure mode bypassing host to input pin code directly into smartcard received at its ICC interface
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United States of America Patent
Stats
-
Jul 6, 1999
Grant Date -
N/A
app pub date -
Jul 25, 1996
filing date -
Sep 14, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A computer keyboard unit is provided with a card interface for receiving an integrated circuit card (smartcard). Normally the keyboard operates in standard manner with the keyboard controller outputting key codes to an associated host computer in correspondence to the keys pressed by a user. However, when the user is required to input a PIN code for passing to a smartcard inserted in the card interface, the keyboard controller is set into a special mode in which it passes the key codes of the pressed keys directly to the card interface for transmission to the smartcard. The passing of the PIN code directly to the smartcard and not via the host computer, eliminates the possibility of the PIN code being copied and/or substitued for in passage through the host computer.
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