Which mode is recommend for the ANSI standard X9.82 Random number generator?
(a) OFB
(b) CTR
(c) CFB
(d) CFB
The question was asked in homework.
The question is from Pseudorandom Number Generators and Stream Ciphers topic in chapter Pseudorandom Number Generation and Stream Ciphers and More Block Ciphers of Cryptograph & Network Security