Week 8 - Cyphering, Excryption etc. Flashcards
1
Q
Which is more complex: cyphering or encryption?
A
Encryption
2
Q
What is the shifted cypher?
A
A cypher that shifts each letter of the source message along the alphabet.
e.g. rotation/shift or 3
Original Message: ‘hello’
Shifted Message: ‘khoor’
3
Q
Give an example of a shifted cypher?
A
Rot13
Shifts letters by 13
4
Q
What might suggest that a suspect has used steganography?
A
The presence of a steganography program.
