The master secret is used to create which are symmetric keys to encrypt and decrypt information exchanged during the session and to verify its integrity.

Session keys

Explanation: Session keys are the keys that perform the encryption and decryption feature in the form of key for the security purpose.This keys works during the time of the session when the exchange of information is going on between two user computers. It works that the session does have to face any security issue like loss of data, stealing of data etc.It is also known by the name of symmetric keys.

this seems to be in the wrong category. but i'll take some free points my dude

posting this in wrong category will result in people seeing it who won't know the answer.