System and method for securely hyperlinking graphic objects
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United States of America Patent
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Jan 26, 2010
Grant Date -
Jun 12, 2003
app pub date -
Dec 10, 2002
filing date -
Dec 11, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
Systems and methods and computer programs for verifying the authenticity and integrity of hyperlink addresses and files that are accessible by means of these hyperlink addresses. A system and a method are disclosed for authenticating a file such as an HTML document hyperlinked to a graphic object such as a digital image or to a graphic icon. The hyperlink network address (e.g., the URL of the hyperlink on the Internet) is encoded on a first portion of the graphic object. Checking information such as a MAC digital signature and the hyperlinked file are encoded into a second portion of the same graphic object. In accordance with another aspect of the invention, a system and a method are disclosed for verifying the authenticity and integrity of a hyperlink and a file when this hyperlink is activated.
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