Week 3 Practice Quiz

1. 1The CBC mode, the current plaintext block is added to the previous ciphertext block.
   
   

   1. ATrue
   2. BFalse
2. 2The ECB mode require that the length of the plaintext be an exact multiple of the block size of the cipher used.
   
   

   1. ATrue
   2. BFalse
3. 3The ECB mode is the most ___________ way of processing a series of sequentially listed message blocks.
   
   

   1. Aslow
   2. Bfast
   3. Cstraightforward
   4. Dconfusing
4. 4The OFB mode can act as a stream cipher.
   
   

   1. ATrue
   2. BFalse
5. 5In the OFB mode, each bit in the ciphertext is independent of the previous bit or bits.
   
   

   1. ATrue
   2. BFalse
6. 6In the CTR mode, the counter need not be synchronous for the sender and receiver.
   
   

   1. ATrue
   2. BFalse
7. 7One of the goals of the the public-key (asymmetric) is to not have complicated math method between the input and output.
   
   

   1. ATrue
   2. BFalse
8. 8PKC depends upon the existence of so-called one-way functions, or mathematical functions that are easy to compute.
   
   

   1. ATrue
   2. BFalse
9. 9One of the Public-key cryptography (PKC) algorithms that are in use today for key exchange or digital signatures include:
   
   

   1. ARSA
   2. BCBC
   3. CCTR
   4. DOFC
10. 10One of the problems with symmetric cryptography is security of the key and the potentially large number of keys that may be needed.
    
    

    1. ATrue
    2. BFalse

11. 11The Euclidean algorithm is the foundation of and extremely import to Public-key cryptography.
    
    

    1. ATrue
    2. BFalse
12. 12What protocol allows the transport of secret keys or an insecure channel?
    
    

    1. ADiffie-Hellman key exchange
    2. BGreg Kessle
    3. CDSA
    4. DECDSA

Description

CPSI 4113 Quiz on Week 3 Practice Quiz, created by Adam Peterson on 17/09/2018.

Author

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