Method for ensuring security of subscriber card
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United States of America Patent
Stats
-
Jan 19, 2010
Grant Date -
May 10, 2007
app pub date -
Oct 27, 2006
filing date -
Aug 29, 2004
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method for ensuring the security of subscriber cards, includes the following steps: setting a security key in the subscriber card, and setting a verification equipment and storing the security key in the verification equipment; the subscriber card authenticating the verification equipment according to the security key before responding to relevant access request; if the authentication succeeds, the relevant access is permitted; otherwise, the relevant access is refused. With the present invention, the security of the subscriber card is guaranteed without using a PIN code, which is very convenient for the subscriber.
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Family
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