encryption

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en·cryp·tion

(en-krip'shŭn)

The scrambling of electronic information being stored and sent so that if someone wrongly receives such information it will not be readable.

Medical Dictionary for the Health Professions and Nursing © Farlex 2012

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This process is called encryption and the resulting message is called the cyphertext version of the plaintext message.

Here's what you need to know to protect SCADA systems from cyber-attack. (Protecting Control And Data Systems)

CreditExpert.com uses a secure Web server allowing a user's browser program to interact via an encrypted session, and supports a secure sockets layer (SSL), 128-bit connection to scramble ordinary text or data into cyphertext to safeguard sensitive information.

Creditexpert launches online services. (Tech newz)

Plaintext a a a a Message 1 1 1 1 b i r d +Key 2 9 18 4 Cyphertext 3 10 19 5 Decrypting the message proceeds in exactly the reverse of encryption as shown in item 2 of the able.