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Old 14th April, 2009, 05:26 PM
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No, and neither has Blowfish when using the full 16-round implementation. In fact, Blowfish has only been proven to be breakable at 4-rounds, although the 14-round implementation can be shown to not be random, suggesting that with sufficient time and analysis it COULD be broken. There are no known weaknesses at 16-rounds, meaning the only effective attack method would be brute-force. Because of the size of the potential keyspace (448 bits), that isn't effective with current hardware.

Last edited by Gizmo; 14th April, 2009 at 05:27 PM.
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