Patent ID: 8219826
Filing Date: 2012-07-10
Classification: G06F,G06Q,G07F

Abstract:
1. A method for disclosing a personal identification number (“PIN”) associated with an account, comprising: (a) receiving a request for a character of a PIN, the PIN comprising a plurality of PIN characters stored in an encrypted form; (b) requesting, by a PIN application executing on a computer, a decrypted form of one of the plurality of PIN characters corresponding to the requested character of the PIN from a hardware security module (“HSM”); (c) receiving, at the PIN application, the decrypted form of the one of the plurality of PIN characters; (d) outputting the decrypted form of the one of the plurality of PIN characters; (e) deleting the one of the plurality of PIN characters from a memory of the PIN application; and (f) repeating steps (b) through (e), respectively, for each requested character of the PIN up to a number of characters fewer than a total number of the plurality of PIN characters.