Definition: You are given a question on computer security. You are also given 4 answer options (associated with "A", "B", "C", "D"), out of which only one is correct. You need to answer the question by selecting the correct option. You should only answer with the choice letter, not the whole answer.
Input: SHA-1 has a message digest of
(A)160 bits (B)512 bits (C)628 bits (D)820 bits

A