INTRO TO CRYPTOGRAPHY PRACTICE
2026 ASSESSMENT SOLUTION KIT
◉ 3DES
Answer: Symmetric Block Cipher
Key: 56 bits
Block: 64 bits
Rounds 16
Runs DES 3 times
◉ AES
Answer: Symmetric Block Cipher
Key: 128, 192, & 256 bits
Block: 128 bits
Rounds: 10, 12, 14
◉ TwoFish
Answer: Symmetric Block Cipher
Key: Up to 256 bits
,Block: 80 bits
Rounds 16
◉ Blowfish
Answer: Symmetric Block Cipher
Key: 32-448 bits
Block: 64 bits
Rounds 16
◉ Skipjack
Answer: Symmetric Block Cipher
Key: 80 bits
Block: 64 bits
Rounds: 32
◉ IDEA
Answer: Symmetric Block Cipher
Key: 128 bits
Block: 64 bits
Rounds: 8
◉ RC5 & RC6
, Answer: Symmetric Block Cipher
Key: Up to 2048 bits
Block: 32, 64, 128 bits
Rounds: Up to 255
◉ RCA
Answer: Symmetric Stream Cipher
Key: 1-256 bits
Rounds: Up to 255
◉ RC4
Answer: Symmetric Stream Cipher
Key: 1-2048 bits (40 bit minimum)
Rounds: 1
◉ RSA
Answer: Asymmetric Cipher
Key: 1024-4096 bits
Rounds: 1
- Leverages prime number characteristics
- most popular
2026 ASSESSMENT SOLUTION KIT
◉ 3DES
Answer: Symmetric Block Cipher
Key: 56 bits
Block: 64 bits
Rounds 16
Runs DES 3 times
◉ AES
Answer: Symmetric Block Cipher
Key: 128, 192, & 256 bits
Block: 128 bits
Rounds: 10, 12, 14
◉ TwoFish
Answer: Symmetric Block Cipher
Key: Up to 256 bits
,Block: 80 bits
Rounds 16
◉ Blowfish
Answer: Symmetric Block Cipher
Key: 32-448 bits
Block: 64 bits
Rounds 16
◉ Skipjack
Answer: Symmetric Block Cipher
Key: 80 bits
Block: 64 bits
Rounds: 32
◉ IDEA
Answer: Symmetric Block Cipher
Key: 128 bits
Block: 64 bits
Rounds: 8
◉ RC5 & RC6
, Answer: Symmetric Block Cipher
Key: Up to 2048 bits
Block: 32, 64, 128 bits
Rounds: Up to 255
◉ RCA
Answer: Symmetric Stream Cipher
Key: 1-256 bits
Rounds: Up to 255
◉ RC4
Answer: Symmetric Stream Cipher
Key: 1-2048 bits (40 bit minimum)
Rounds: 1
◉ RSA
Answer: Asymmetric Cipher
Key: 1024-4096 bits
Rounds: 1
- Leverages prime number characteristics
- most popular