Symmetric Algorithm

Question 1

AES

Answer 1

Block: 128
Key: 128, 192, 256

Question 2

DES

Answer 2

Block: 64
Key: 56

Question 3

IDEA

Answer 3

Block: 64
Key: 128

Question 4

RC4

Answer 4

Block: N/A (stream)
Key: 40-20,48

Question 5

RC5

Answer 5

Block: 32, 64, 128
Key: 0-2040

Question 6

RC6

Answer 6

Block: 128
Key: 128, 192, 256

Question 7

3DES

Answer 7

Block: 64
Key: 112, 168

Question 8

skipjack

Answer 8

Block: 64
Key: 80

Question 9

Blowfish

Answer 9

Block: 64
Key: 32-448