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Method and System for Secure Authentication and Data Exchange in Client Server Architecture

  • US 20090235085A1
  • Filed: 01/17/2006
  • Published: 09/17/2009
  • Est. Priority Date: 01/17/2005
  • Status: Abandoned Application
First Claim
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1. A method for secure authentication and data exchange, in client server architecture, comprising:

  • registering a user and creating a first tabular data using the user'"'"'s password for authentication of the user, at a server machine,deleting the password in its original form from the server,said server processing said first tabular data and generating a second tabular data to be sent to the client machine when said user logs in for a transaction at the client machine,said server initiating a communication session with the user using said second tabular data and generating a first set of numbers to be used for decryption by the server,encrypting and transferring said second tabular data to said user at the client machine,said client machine generating a second set of numbers to be used for encryption, using said second tabular data,said client encrypting the plain text using said second set of numbers, in a loop for a predetermined number of iterations,said client transmitting the encrypted data to the server,said server performing a decryption on the encrypted text using said first set of numbers,said server authenticating the user in the event correct plain text is generated, andsaid server completing the transaction.

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