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Re: [openpgp] Partial review of the crypto refresh

Daniel Huigens <d.huigens@protonmail.com> Fri, 25 November 2022 15:32 UTC

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Date: Fri, 25 Nov 2022 15:31:53 +0000
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To: Marcus Brinkmann <marcus.brinkmann=40rub.de@dmarc.ietf.org>
From: Daniel Huigens <d.huigens@protonmail.com>
Cc: IETF OpenPGP WG <openpgp@ietf.org>
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Subject: Re: [openpgp] Partial review of the crypto refresh
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Hi,

On Friday, November 25th, 2022 at 15:04, Marcus Brinkmann wrote:

> Suggestion:
>
> If Argon2 is not available, Iterated and Salted S2K MAY be used if
> care is taken to use a high octet count and a strong passphrase. However, this method does not provide memory-hardness, unlike Argon2.

Yeah, that also seems reasonable to me. Even though, also when using Argon2 it's important to choose a strong passphrase, but when using Iterated and Salted S2K it's even more important, indeed.

Best,
Daniel

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