The Data Encryption Standard uses a(n) ________-bit key. A) 8 ...

[PhilipSeeMore]

The Data Encryption Standard uses a(n) ________-bit key.
 
  A) 8
  B) 56
  C) 256
  D) 512

Question 2

All the following statements about symmetric key cryptography are true except:
 
  A) in symmetric key cryptography, both the sender and the receiver use the same key to encrypt and decrypt a message.
  B) the Data Encryption Standard is a symmetric key encryption system.
  C) symmetric key cryptography is computationally slower.
  D) symmetric key cryptography is a key element in digital envelopes.

[Danny Ewald]

Answer to Question 1

B

Answer to Question 2

C

[PhilipSeeMore]

Excellent

[T4T]

Gracias!