Basic HTML version of Foils prepared May 19 99

Foil 74 Signing Classes with the Netscape Object Signing Tool

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


1 Get a signing certificate from a CA, Certificate Authority, listed at https://certs.netscape.com.
2 Import the certificate to your Netscape Communicator browser.
3 Use The Netscape Object Signing Tool, which is a command line program, signtool, to sign JAR files. (Note that digital signature information is transmitted in JAR files);
4 Refer to the signed code as <APPLET CODE="signed.class" ARCHIVE="myjarfile.jar">
5 Use signtool to sign the classes and create a JAR file: signtool -d"path to certificate" -k"my CA" -e ".class" -Z myjar.jar

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