Encryption Flashcards
(4 cards)
1
Q
What is encryption?
A
Encryption is the process that transforms readable data into an unreadable format called ciphertext to maintain confidentiality, integrity, and security.
2
Q
What is a Caesar cipher?
A
A Caesar cipher is a type of cipher that shifts the alphabet by a certain number of letters. For example, if the key is 1, ‘a’ becomes ‘b’.
3
Q
What is brute force decryption?
A
Brute force decryption involves trying every possible combination to decrypt information.
4
Q
What is frequency analysis?
A
Frequency analysis is where you find common letters or words (like ‘e’ or ‘the’) and use their frequency to guess the original message.