eap_method::get_emsk field

get_emsk - Get EAP method specific keying extended material (EMSK) @sm: Pointer to EAP state machine allocated with eap_peer_sm_init() @priv: Pointer to private EAP method data from eap_method::init() @len: Pointer to a variable to store EMSK length Returns: EMSK or %NULL if not available This function can be used to get the extended keying material from the EAP method. The key may already be stored in the method-specific private data or this function may derive the key.