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Encryption in a secure computerized gaming system

  • US 7,043,641 B1
  • Filed: 03/08/2000
  • Issued: 05/09/2006
  • Est. Priority Date: 03/08/2000
  • Status: Expired due to Term
First Claim
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1. A computerized wagering game apparatus, comprising:

  • a computerized game controller having a processor for executing a game program, a memory comprising a random access memory (RAM), and a nonvolatile storage, the computerized game controller operable to control the computerized wagering game apparatus; and

    game program stored in the nonvolatile storage and copied into the RAM, wherein the game program copied to the RAM is verified during execution and play of the computerized wagering game apparatus by hashing with a one-way hash function to produce a resulting hash value that is compared to a reference hash value using a continuously executing program thread executing on the computerized game controller during play of the computerized wagering game apparatus to continuously ensure that game program copied to the RAM has not changed since calculation of the reference hash value.

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