11.   Using a series of electrical rotors, Enigma was capable of scrambling messages in an astronomical number of ways.

12.   Authentica Inc. and other companies make online shredding systems that scramble e-mail messages and limit access to the software key needed to decrypt them.

13.   So a few weeks ago, she installed a tool to scramble her messages.

14.   Those security methods that erect barriers by scrambling messages can be unscrambled by using computers to speed through the multitude of possibilities.

15.   A federal judge has ruled that encryption software, which scrambles computer messages, enjoys freedom of speech protection guaranteed by the US Constitution.

16.   One key is made public and scrambles the message when a sender transmits his message to a receiver.