Guaranteeing hypertext link integrity

Details Guaranteeing hypertext link integrity Guaranteeing hypertext link integrity

2007-10-30

2007-10-30

Moise, Emmanuel L. (Department: 2137)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular node for directing data and applying cryptography

C713S161000, C713S165000, C715S252000, C709S219000, C726S032000

Reexamination Certificate

active

10682391

ABSTRACT:
There is described a method, system and computer program product for processing a link embedded in a link document in a client computer, said link comprises a URL reference for a URL document in the client computer or another computer, there being stored a record containing a link reference and an intended fingerprint, said intended fingerprint representing the content of the URL document associated with the URL of the link at the time of or after the link was created, said method comprising the steps of: fetching the intended fingerprint for the link; fetching the URL document; creating a current fingerprint of the fetched URL document; comparing the intended fingerprint and the current fingerprint; and identifying that the intended fingerprint and the current fingerprint are different in a material way. There is further described, on identifying that the intended fingerprint and current fingerprint are different in a material way and there being provided a database of current fingerprints and corresponding URLs, searching the current fingerprint database and locating current fingerprints that are similar to the intended fingerprint; choosing a current fingerprint that matches the intended fingerprint; and changing the URL of the link in link document to match the URL of the matched current fingerprint.

REFERENCES:
patent: 5802299 (1998-09-01), Logan et al.
patent: 6021202 (2000-02-01), Anderson et al.
patent: 6094657 (2000-07-01), Hailpern et al.
patent: 6219818 (2001-04-01), Freivald et al.
patent: 6547829 (2003-04-01), Meyerzon et al.
patent: 6638314 (2003-10-01), Meyerzon et al.
patent: 6789080 (2004-09-01), Sweet et al.
patent: 2002/0169865 (2002-11-01), Tarnoff

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