21.   Computer security researchers continually try to break codes because the measure of an encryption scheme is how much time and computing power are needed to crack it.

22.   Contact each one to break the codes.

23.   Finney posted the transaction on the Internet in July with a challenge inviting people to break the code.

24.   French, British and American cryptologists decided, however, that the plans were not enough to break the code.

25.   Fortunately, all it takes is a little insider knowledge to break the code.

26.   Groat was arrested Friday and charged with alerting two undisclosed foreign governments that the CIA had broken their codes and tapped into their secret communications.

27.   He broke the code.

28.   He is the only independent source on such numbers and has drawn fire from some venture capitalists for breaking the code of silence.

29.   He said he will urge students to help keep the school safe by breaking their code of silence.

30.   He said that harnessing the computational power available to government agencies or major corporations could enable such codes to be broken in less than one week.