Re: [PATCH net-next] macsec: introduce default_async_crypto sysctl
From: Herbert Xu <herbert@gondor.apana.org.au>
Date: 2023-09-01 02:35:34
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On Thu, Aug 31, 2023 at 04:10:40PM +0200, Sabrina Dubroca wrote:
Herbert, can we expect ASYNC implementations of gcm(aes) to maintain ordering of completions wrt requests? For AESNI, the use of cryptd_aead_queued() makes sure of that, but I don't know if other implementations under drivers/crypto would have the same guarantee.
Absolutely as otherwise IPsec would be seriously broken (it's even worse than plain TCP because of the replay windows). Cheers, -- Email: Herbert Xu [off-list ref] Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt