You can't change Providers while running under the SecurityManager he specifies ... | Hacker News

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		spiralpolitik on March 20, 2013 \| parent \| context \| favorite \| on: Java Puzzle: Square Root You can't change Providers while running under the SecurityManager he specifies you must use in the rules. SecurityManager.checkSecurityAccess(java.lang.String) is called if you try and mess with the Providers.

cromwellian on March 20, 2013 [–]

You're right, looks like a Timing Attack might be the only solution that satisfies the spirit of the test.

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