Vocabulary: Ciphers and Encryption

Front

Which term refers to the algorithm used to transform text to conceal its meaning?

Back

Cipher

Front

What is the process of converting encrypted information to an understandable form?

Back

Decryption

Front

Which statement best describes a polyalphabetic cipher?

Back

A cipher that substitutes individual letters with a number of potential substitutions at different positions in the message

Front

In a simple substitution cipher, individual letters are replaced with another _______.

Back

letter or symbol

Front

What is encryption?

Back

converting information or data into a code to prevent unauthorized access.

Front

What must a user need to decrypt a file?

Back

Key

Front

What is the purpose of data encryption?

Back

To make data unreadable to unauthorized users

Front

Which process involves transforming ciphertext into plaintext using a key

Back

decryption

Front

Which process involves transforming plaintext into ciphertext using a key

Back

encryption

Front

Which term describes the original readable message before encryption?

Back

Plaintext