[noise] psk in Noise explorer

[Nadim Kobeissi]

Noted and will follow up soon.

Nadim Kobeissi
Symbolic Software • https://symbolic.software
Sent from office


On Fri, Sep 14, 2018 at 10:36 AM Justin Cormack <
justin at specialbusservice.com> wrote:

> Looking at KNpsk0 in Noise Explorer, the first message which is "psk, e"
> says
>
> "Message contents benefit from message secrecy and some forward
> secrecy: the compromise of the responder's long-term private keys,
> even at a later date, will lead to message contents being decrypted by
> the attacker."
>
> There isn't any forward secrecy in this message at all I don't think,
> so this seems a bit off to me.
>
> Also, it would be really nice if the wording could distinguish the psk
> keys and the private keys, as the "long-term private keys" above is
> actually referring to the psk, which is not a private key, and also
> could well have different lifecycle to the asymmetric keys, for
> example if it is a resumption key, and also unlike the private key is
> distributed to multiple parties, so is more likely to leak so calling
> out which key is being referred to would be helpful.
>
> Justin
>
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