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PIN BLOCK REPLACEMENT

  • US 20080189214A1
  • Filed: 08/16/2007
  • Published: 08/07/2008
  • Est. Priority Date: 10/17/2006
  • Status: Active Grant
First Claim
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1. A method for debit card transactions, comprising:

  • receiving encrypted PIN information for a debit card transaction, wherein the PIN information was encrypted using encrypted debit-card information;

    decrypting the PIN information using encrypted debit-card information for the debit card;

    re-encrypting the PIN using actual debit-card information for the debit card; and

    forwarding the re-encrypted PIN for subsequent transaction processing.

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