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Security framework and protocol for universal pervasive transactions

  • US 20040030894A1
  • Filed: 06/11/2003
  • Published: 02/12/2004
  • Est. Priority Date: 08/08/2002
  • Status: Active Grant
First Claim
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1. A computer system securely transmitting and verifying a two-party agreement, said system comprising:

  • a first device, operated by the first party, developing and transmitting a first view of the two-party agreement, the first view including an encrypted part and an unencrypted plaintext part;

    a second device, operated by the second party, developing and transmitting a second view of the two-party agreement, the second view including an encrypted part and an unencrypted plaintext part; and

    a third device comprising a verification party receiving the first view and the second view, decrypting the encrypted part of the first view and the encrypted part of the second view, affirming that the first view was developed by the first party and that the second view was developed by the second party, comparing the decrypted part of the first view with the decrypted part of the second view, and transmitting a signal based on the outcome of the comparison.

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