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Enabling business transactions in computer networks

  • US 6,192,131 B1
  • Filed: 11/15/1996
  • Issued: 02/20/2001
  • Est. Priority Date: 11/15/1996
  • Status: Expired due to Term
First Claim
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1. A system for creating a log of a conversation, comprising:

  • an arbiter computer; and

    a plurality of conversation computers;

    the arbiter computer and the conversation computers being interconnected by a computer network;

    the arbiter computer being programmed to create a public key pair comprising a new public key and a new private key, to cause the new public key to be transmitted to the conversation computers, to use the new private key to encrypt messages transmitted by at least some of the conversation computers during a conversation among the conversation computers, and to store the encrypted messages in a message log;

    the conversation computers being programmed to receive the public key, to transmit messages during the conversation, and to cause messages in the message log to be decrypted using the new public key.

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