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Computer network security system

  • US 7,100,054 B2
  • Filed: 08/09/2001
  • Issued: 08/29/2006
  • Est. Priority Date: 08/09/2001
  • Status: Active Grant
First Claim
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1. A method for authenticating a user of a computer, the method comprising:

  • transmitting a signal having a challenge string and a first encryption key;

    receiving a login packet having the challenge string and a password that is encrypted using the first encryption key and a hash of at least the challenge string and the password;

    decrypting the password;

    receiving information from an authentication provider; and

    authenticating the password by using the information received from the authentication provider.

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