Which two statements about the SHA-1 algorithm are true? (Choose two)

A.
The SHA-1 algorithm is considered secure because it always produces a unique hash
for the same message.

B.
The SHA-1 algorithm takes input message of any length and produces 160-bit hash
output.

C.
The SHA-1 algorithm is considered secure because it is possible to find a message
from its hash.

D.
The purpose of the SHA-1 algorithm is to provide data confidentiality.

E.
The purpose of the SHA-1 algorithm is to provide data authenticity.