Labels:book | chat room | hakham | laptop | monitor | reckoner | sky OCR: LANS AND WLANS 285 ENCRYPTION Exactly what is encryption? Encryption transf forms message such way that its contents are hidden from unauthorized readers. Encryption is designed to keep messages secret In the context of comput ing encryption can used many ways including the following: Scrambling data sent over wired or wireless networks prevent intrusions Securing credit card numbers pue other personal information transferred from shoppers computers to e-commerce sites Encrypting computer databases so that data they contain S unusable if the device containing the database is lost or compromised Scrambling the contents of e-mail messages to maintain privacy How does encryption work? An original message -one that has yet been encrypted referred te as plaintext or cleartext An encrypted messa ...
