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Re: [Pqc] Mapping the state of PQC and IETF - ssh

Behcet Sarikaya <sarikaya2012@gmail.com> Fri, 10 March 2023 17:11 UTC

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Reply-To: sarikaya@ieee.org
From: Behcet Sarikaya <sarikaya2012@gmail.com>
Date: Fri, 10 Mar 2023 11:10:54 -0600
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To: Thom Wiggers <thom@thomwiggers.nl>
Cc: Alexandre Petrescu <alexandre.petrescu@gmail.com>, pqc@ietf.org
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Subject: Re: [Pqc] Mapping the state of PQC and IETF - ssh
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On Fri, Mar 10, 2023 at 9:16 AM Thom Wiggers <thom@thomwiggers.nl> wrote:

> Hi Alexandre
>
> Op vr 10 mrt 2023 om 15:19 schreef Alexandre Petrescu <
> alexandre.petrescu@gmail.com>:
>
>> Let me ask this: when I call 'ssh' in command line without any other
>> argument than the destination host address - is NTRUPrime being used?
>> Or do I have to type in some additional option like -qr or -ntruprime or
>> similar?
>>
>
> If you have SSH 8.9 or above AND the remote server supports NTRU Prime,
> that should be used by default, yes, unless you have something else
> configured. If you want to force it, you can do:
>
> ssh -o KexAlgorithms=sntrup761x25519-sha512@openssh.com <user>@<hostname>
>
>
sha512?
It used to be sha256.
Is sha512 part of Quantum security, or pqc?

Behcet

> If the remote server does not support it, SSH will tell you.
>
> Cheers,
>
> Thom
>
>
>> Alex
>>
>> >
>> > Cheers,
>> >
>> > Thom
>> >
>> > Alex
>> >
>> > -- Pqc mailing list Pqc@ietf.org <mailto:Pqc@ietf.org>
>> > https://www.ietf.org/mailman/listinfo/pqc
>> > <https://www.ietf.org/mailman/listinfo/pqc>
>> >
>>
> --
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