11.   Another uncle, Dillwyn, was a Greek scholar and cryptographer who helped break German codes in World War I and II.

12.   And yet that is what is required for an eavesdropper to break his code.

13.   Break those codes, and punishment came swiftly from parents or school officials.

14.   A math genius may find a way to break the codes.

15.   A previous generation of immobilization systems had a limited number of available combinations, so thieves could break the codes through trial and error.

16.   Breaking the code entails working backward to recover the original factors, a procedure requiring enough calculations to flummox a supercomputer.

17.   Break the code of silence that surrounds kids who might be involved in activities dangerous to themselves and others.

18.   Breaking the codes used to protect Internet communications is also an NP problem.

19.   But it also includes the built-in ability to let authorized federal agencies break the code.

20.   But they expect it to be robust enough to deter most attempts by hackers to break the code.