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DJkapi · Guest

I want my program to use 256 bits key for encryption with Rijndael.
Everything is working up to a moment when i want to install "Unlimited
Strength Jurisdiction Policy Files" : Local_policy.jar and
US_export_policy.jar from command line. I don;t want to copy those files to
(java home)jrelibsecurity directory. I want only to make them available
during the runtime of my program. Do you happen to know how can I do it? i
think that i have to write something like that in command line :
java -Djava.security.manager -Djava.security.policy= example.policy MyApp

in the file example.policy i have the following:

grant codeBase "file:/Policy/*" {
permission java.security.AllPermission;
};
grant {
permission java.security.AllPermission;
};

But i still get an error : Unsupported keysize or algorithm parameters".
What can be a solution for it??

Regards
DJKapi