Question 1

Which of the following asymmetric algorithms is described by U.S. Patent 5,231,668 and FIPS 186

Options :

A : RSA

B : RC4

C : DSA

D : AES

Answer: C

Question 2

A linear congruential generator is an example of what?

Options :

A : A prime number generator

B : A pseudo random number generator

C : A random number generator

D : A coprime generator

Answer: B

Question 3

Fred is using an operating system that stores all passwords as an MD5 hash. What size is an MD5 message digest (hash)?

Options :

A : 256

B : 512

C : 160

D : 128

Answer: D

Question 4

Cryptographic hashes are often used for message integrity and password storage. It is important to understand the common properties of all cryptographic hashes. What is not true about a hash?

Options :

A : Few collisions

B :

Variable length input

C : Reversible

D : Fixed length output

Answer: C

Question 5

What is the formula m^e %n related to?

Options :

A : Generating Mersenne primes

B : Decrypting with RSA

C : Encrypting with RSA

D : Encrypting with EC

Answer: C