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Automated banking machine system and method

  • US 7,415,609 B1
  • Filed: 04/19/2002
  • Issued: 08/19/2008
  • Est. Priority Date: 04/23/2001
  • Status: Active Grant
First Claim
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1. A method comprising:

  • a) loading at least one public key and private key pair in an automated banking machine that includes a cash dispenser, wherein the automated banking machine is operative to use at least one symmetric cryptography key to encrypt data with a symmetric cryptography algorithm, wherein the data is associated with at least one transaction being performed at the automated banking machine;

    b) enabling the automated banking machine to use at least one asymmetric cryptography algorithm with the at least one public key and private key pair;

    c) receiving with the automated banking machine at least one message that includes data representative of at least one second symmetric cryptography key;

    d) using the at least one asymmetric cryptography algorithm to decrypt and verify the at least one second symmetric cryptography key;

    e) receiving with the automated banking machine at least one second message that includes data representative of an encrypted at least one first symmetric cryptography key; and

    f) using the at least one second symmetric cryptography key to decrypt with the automated banking machine the encrypted at least one first symmetric cryptography key.

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