Basic HTML version of Foils prepared May 19 99

Foil 156 Weaknesses in the JavaScript Model

From Remarks on Internet and Java Security Basic Information Track Computational Science Course CPS616 -- Spring Semester 1999. by Geoffrey Fox, Mehmet Sen


1 If one have signed scripts in pages he has posted to his site, it is possible to copy the JAR file from his site and post it on another site. As long as the signed scripts themselves are not altered, the scripts will continue to operate under his signature. "Programmer should force scripts to work only from his side."
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3 When you export functions from your signed script, you are in effect transferring any trust the user has placed in you to any script that calls your functions.This means you have a responsibility to ensure that you are not exporting interfaces that can be used in ways you do not want.

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