MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -Data encryption translates data into another form, or code, so that only people with access to a secret key (formally called a decryption key) or password can read it. Encrypted data is commonly referred to as ciphertext, while unencrypted data is called plaintext.

Detailed explanation-2: -Plaintext is what encryption algorithms, or ciphers, transform an encrypted message into. It is any readable data-including binary files-in a form that can be seen or utilized without the need for a decryption key or decryption device.

Detailed explanation-3: -Definition(s): Data input to the Cipher or output from the Inverse Cipher. Unencrypted information that may be input to an encryption operation.