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Method and system for secure handling of elecronic business transactions on the internet

  • US 20050120221A1
  • Filed: 11/29/2002
  • Published: 06/02/2005
  • Est. Priority Date: 12/21/2001
  • Status: Active Grant
First Claim
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1. A method for handling end-to-end business transactions between a user and at least one sales-entity and/or service provider via a TCP/IP controlled computer network, wherein providing a transaction managing instance for managing said end-to-end business transactions, said method comprising:

  • providing a pool of IP addresses on side of said transaction managing instance;

    performing an access authentication based single sign-on by said user managed by said transaction managing instance wherein said transaction managing instance is allocating an IP address out of said pool of IP addresses to said user, when said user initiates an online session for conducting at least one end-to-end business transaction with said at least one sales-entity and/or service provider;

    generating a session context including said allocated IP address and user identification information and continuously monitored transaction events by said user;

    transmitting an authorization request from the at least one sales-entity and/or service provider, or another service provider, to said transaction managing instance, when an at least one end-to-end business transaction with said at least one sales-entity and/or service provider occurs, wherein the transaction managing instance validates said user'"'"'s authorization for said at least one business transaction based on said session context;

    monitoring said online session of said user and detecting if said online session is terminated; and

    invalidating said allocated IP address and said session context, if termination of said online session is detected, and providing said IP address back to said pool of IP addresses.

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