What is the difference between a session key and a master key?

What is master key and session key?

In cryptography, Master/Session is a key management scheme in which a pre-shared Key Encrypting Key (called the "Master" key) is used to encrypt a randomly generated and insecurely communicated Working Key (called the "Session" key). The Working Key is then used for encrypting the data to be exchanged.

What is the difference between a session key and a permanent key?

What is the difference between a session key and a master key? encrypted with this session key, and at the end of the session it is destroyed. A permanent, or master key, is used between entities for the purpose of distributing session keys. You just studied 14 terms!

What is session key?

A session key is an encryption and decryption key that is randomly generated to ensure the security of a communications session between a user and another computer or between two computers. Session keys are sometimes called symmetric keys because the same key is used for both encryption and decryption.

Is session key same as private key?

Session key is used for that particular session only, created at that particular moment, later discarded. This is in contrast to the keys which are used for longer time, may be for 1 or 2 months. They no doubt are private keys, but have a very limited validity, to safe gaurd the security of transaction.