Hashing Video

What is the main purpose of hashing in computer security?

• To encrypt data

• To find out if something has changed

• To compress files

• To store data

What does an algorithm transform an input into?

• A plain text

• A fixed-size output of numbers and letters

• An encrypted message

• A compressed file

Which of the following is true about a hash?

• It is a type of compression

• It is irreversible

• It is a type of encryption

• It can be reversed to get the original value

In the smoothie analogy, what represents the algorithm?

• The glass

• The smoothie

• The blender

• The strawberries

Why can't you get the original strawberries back from a smoothie?

• Because the strawberries are hidden

• Because the process is irreversible

• Because the smoothie is a different substance

• Because the blender destroys them