Which two statements are correct regarding the AES encryption algorithm? (Choose
two.)

A.
It is a FIPS-approved symmetric block cipher.

B.
It supports a block size of 128, 192, or 256 bits.

C.
It supports a variable length block size from 16 to 448 bits.

D.
It supports a cipher key size of 128, 192, or 256 bits.

E.
The AES encryption algorithm is based on the presumed difficulty of factoring large
integers.