Question

Random numbers are an important ingredient of various cryptographic constructs. An pseudorandom number generator algorithm that is used to produce an open ended sequence of BITS is referred to as a PRNG. Which one among the following is used to create PRNGs?
1) Hash functions and message authentication codes
2) Asymmetric ciphers
3) Symmetric block ciphers
4) All of the above

Answer 1

all of the above 4th option