3 ms·
It's useful to have a master key that decrypts everything. For each message that means encrypting for two keys - the recepient and the master key. The obvious
by extropy 7y ago
It's useful to have a master key that decrypts everything. For each message that means encrypting for two keys - the recepient and the master key.
The obvious drawback being the huge damage when a master key is inevitably leaked.