Distinguish between a session key and a master key.
Subject Computer and Network Security
NU Year Set: 4.(a) Marks: 2+2 Year: 2014

A session key is a temporary encryption key used between two principals.

A master key is a long-lasting key that is used between a key distribution centre and a principal for the purpose of encoding the transmission of session keys.

Typically, the master keys are distributed by noncryptographic means.

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