Answer:
c. your friend can hash all possible options and discover your secret.
Explanation:
SHA-256 is a set of hash functions that was designed by the NSA. SHA-2 is considered an upgrade on the set that was its predecessor, SHA-1. A hash is a mathematical function that condenses data in a process of one-way encryption. SHA-256 creates hash algoritms that are considered irreversible and unique. However, one of the properties of hashing algorithms is determinism, which means that any computer in the world would be able to compute a particular hash and get the same answer.
Answer:
IP address
Explanation:
In computer networks, every computer has assigned with a unique address that is called logical address or IP address.
This address is assigned by ICANN and used to access that particular computer by other computers on the network.
Answer:
C. Blinking vertical line on your screen
Explanation:
A cursor is tha blinking vertical line on your screen.
