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Re: Fwd: Question re. exponent blinding in spiped
- To: Colin Percival <cperciva@tarsnap.com>
- Subject: Re: Fwd: Question re. exponent blinding in spiped
- From: Frederick Akalin <akalin@gmail.com>
- Date: Thu, 24 Apr 2014 11:49:48 -0700
- Cc: spiped@tarsnap.com
- In-reply-to: <53595A7E.3090703@tarsnap.com>
- References: <CAC0aHXZVWBDZ7ofQ+HU_4V17Ds7TSHT+EJsSX8RpBtozU3YiDQ@mail.gmail.com> <0000014592cdcb8f-b081d8c9-5127-425d-975e-8801a371a82b-000000@email.amazonses.com> <CAC0aHXa98TS-Ai+vHy15MNF1K-OdvyQDLsdDNsSDHO8bWyQLDw@mail.gmail.com> <CAC0aHXZ1H+izMyZhEwJy4F91RX9E_29jd7b4TaSTmx=aAeDyNA@mail.gmail.com> <53595A7E.3090703@tarsnap.com>
On Thu, Apr 24, 2014 at 11:39 AM, Colin Percival <cperciva@tarsnap.com> wrote:
> Replying here rather than directly, for the benefit of the list...
> Right. 256 bits of blinding is enough to obscure the entire exponent.
>
>> Ah, of course that blinding method doesn't help in this case! So if
>> you're the only one using this method, what do other programs that do
>> Diffie-Hellman do for exponent blinding (if anything)?
>
> Nothing, as far as I know.
Thanks! That clears things up for me.
-- Fred