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CRYPTOGRAPHIC MODULE FOR SECURE PROCESSING OF VALUE-BEARING ITEMS

  • US 20100228674A1
  • Filed: 05/18/2010
  • Published: 09/09/2010
  • Est. Priority Date: 10/18/1999
  • Status: Active Grant
First Claim
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1. A cryptographic device for securing data on a computer network comprising:

  • a processor programmed to authenticate a plurality of users on the computer network for secure processing of a value bearing item;

    a memory for storing a data record for ensuring authenticity of a user;

    a cryptographic engine for cryptographically protecting the data record; and

    an interface for communicating with the computer network,wherein the data record includes an ascending register value, a descending register value, a cryptographic device ID, a key token for an indicium signing key, at least one user secret, a key for encrypting the at least one user secret, date and time of last transaction, expiration dates for keys, and a passphrase repetition list.

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