Server authentication in non-secure channel card pin reset...

Details Server authentication in non-secure channel card pin reset... Server authentication in non-secure channel card pin reset...

2004-06-25

2009-11-10

Kim, Jung (Department: 2432)

Electrical computers and digital processing systems: support

Digital data processing system initialization or configuration

C713S184000, C380S278000, C380S279000

Reexamination Certificate

active

07617390

ABSTRACT:
A method for resetting a pin on an access card is disclosed. The method includes generating a server authentication (SA) public key and an SA private key and attempting a write of the SA public key to the access card over a non-secure channel. The method further includes determining if the access card currently contains an existing SA public key. The attempted write of the SA public key is handled by one of: (i) completing the attempted write of the SA public key to the access card over the non-secure channel if it is determined that the access card did not contain an existing public key; (ii) denying the attempted write of the SA public key to the access card over the non-secure channel if it is determined that the existing SA public key matches the SA public key that is attempted by the write; and (iii) denying the attempted write of the SA public key to the access card over the non-secure channel if it is determined that the existing SA public key does not match the SA public key that is attempted by the write.

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patent: 7472276 (2008-12-01), Vanstone
patent: 2002/0184485 (2002-12-01), Dray et al.
patent: 2003/0018893 (2003-01-01), Hess et al.
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patent: 1 168 259 (2002-01-01), None
patent: 1 365 307 (2003-11-01), None
patent: WO 01/38950 (2001-05-01), None

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