Write short notes on Data encryption

A Management Information System ICT Revision Questions and Answers

It is the process of converting information from one form to some other unreadable form using algorithm called cipher with the help of secret message called key. The converting text is called plaintext and the converted text is called cipher-text. There is also the reverse process that converts unreadable message to the readable message called decryption. Here in the decryption process also the use of the key is important.

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