[messaging] Do quantum attacks/algos also lead to compromise of PFS?

[Adam Langley]

On Sat, Jan 24, 2015 at 11:02 PM, Tao Effect <contact at taoeffect.com> wrote:
> Does SPHINCS also allow for encryption, or is it for generating secure
> signatures only?

It's signatures only.

> Have you any comments about SIDH btw? According to this, it claims to
> provide forward secrecy:
>
> https://en.wikipedia.org/wiki/Supersingular_Isogeny_Key_Exchange

Curve isogenies are a recent area of research but code-based
cryptography has a much longer history of study:
http://binary.cr.yp.to/mcbits.html (although I don't think Dan has
released the code for McBits.)


Cheers

AGL