[noise] e empty or not?

[Trevor Perrin]

Your e variable might be empty at the beginning of a protocol, but
once you have sent a message which starts with an e token, it will get
populated.

Trevor


On Sat, Apr 23, 2016 at 12:55 PM, david wong <davidwong.crypto at gmail.com> wrote:
> In section 8.1 Pattern validity:
>
>> Noise patterns must be valid in the following senses:
>> 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").
>
> but in section 2.2:
>
>> Each party maintains the following variables:
>> s, e: The local party's static and ephemeral key pairs (which may be
>> empty).
>
> so can e be empty, or does e have to be here. I'm a bit confused
>
> David
>
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