<head></head><body>In section 8.1 Pattern validity:<br><br>> Noise patterns must be valid in the following senses:<br>> Parties must send a fresh ephemeral public key at the start of the first message they send (i.e. the first token of the first message pattern in each direction must be "e").<br><br>but in section 2.2:<br><br>> Each party maintains the following variables:<br>> s, e: The local party's static and ephemeral key pairs (which may be empty).<br><br>so can e be empty, or does e have to be here. I'm a bit confused<div><br></div><div>David</div></body>