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System and method for encrypted smart card pin entry

  • US 8,332,935 B2
  • Filed: 06/07/2010
  • Issued: 12/11/2012
  • Est. Priority Date: 07/29/2005
  • Status: Active Grant
First Claim
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1. An authentication method, comprising:

  • receiving, at a mobile communication device from a smart card via a smart card reader over a wireless communication link, a challenge comprising a public key and a nonce generated and stored at the smart card;

    transmitting, from the mobile communication device to the smart card over the wireless communication link via the smart card reader, a response to the challenge, the response comprising user authentication information encrypted using the challenge comprising the public key and the nonce; and

    receiving a verification signal at the mobile communication device over the wireless communication link from the smart card, the receiving the verification signal responsive to a determination that user authentication information obtained by decrypting the encrypted user authentication information at the smart card matches predetermined authentication information, the decrypting using a private key corresponding to the public key and the nonce, the private key and the predetermined authentication information stored in secure memory in the smart card.

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