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The difference between the two keys is that the Master key (PMK) is supposed to be valid for at least as long as the client is connected. In the case of WPA-PSK, the PMK is the same from the moment the AP is configured until either the passphrase or the SSID changes. Therefore, if the PMK is compromised in any way, the attacker gains "permanent" access to ...


The host has a key pair, consisting of a public key and a private key. (It can have multiple key pairs in different formats; at the beginning of a connection, the client and the server negociate to determine a format that they both support.) There's a host public key and a host private key; there are also other key pairs (public and private keys) which are ...

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