Encryption Flashcards
1
Q
Define cipher
A
Process of crypting or decrypting data
2
Q
Define plaintext
A
Data in human readable form
3
Q
Define ciphertext
A
Data that has been encrypted
4
Q
What is encryption
A
Using an algorithm to convert plaintext to ciphertext so only users with an encryption key have access to it
5
Q
What is transportation cipher
A
The letters of the message are transposed or rearranged according to a set pattern to form an anagram
6
Q
Why must you to rearrange letters according to a set pattern in transportation cipher
A
To make it possible to decrypt the message
7
Q
What is the railfence encryption method
A
The message is split across several lines
8
Q
What is the route cipher method
A
Putting a message into a grid
