netdev - Re: [PATCH net] esp: select CRYPTO

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Date:   Fri, 5 Jun 2020 10:28:58 +1000
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Eric Biggers <ebiggers@...nel.org>
Cc:     netdev@...r.kernel.org, linux-crypto@...r.kernel.org,
        Corentin Labbe <clabbe@...libre.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Steffen Klassert <steffen.klassert@...unet.com>
Subject: Re: [PATCH net] esp: select CRYPTO_SEQIV

On Thu, Jun 04, 2020 at 12:23:22PM -0700, Eric Biggers wrote:
> From: Eric Biggers <ebiggers@...gle.com>
> 
> Since CRYPTO_CTR no longer selects CRYPTO_SEQIV, it should be selected
> by INET_ESP and INET6_ESP -- similar to CRYPTO_ECHAINIV.
> 
> Fixes: f23efcbcc523 ("crypto: ctr - no longer needs CRYPTO_SEQIV")
> Cc: Corentin Labbe <clabbe@...libre.com>
> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Cc: Herbert Xu <herbert@...dor.apana.org.au>
> Cc: Steffen Klassert <steffen.klassert@...unet.com>
> Signed-off-by: Eric Biggers <ebiggers@...gle.com>
> ---
>  net/ipv4/Kconfig | 1 +
>  net/ipv6/Kconfig | 1 +
>  2 files changed, 2 insertions(+)
> 
> diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig
> index 23ba5045e3d3..d393e8132aa1 100644
> --- a/net/ipv4/Kconfig
> +++ b/net/ipv4/Kconfig
> @@ -361,6 +361,7 @@ config INET_ESP
>  	select CRYPTO_SHA1
>  	select CRYPTO_DES
>  	select CRYPTO_ECHAINIV
> +	select CRYPTO_SEQIV
>  	---help---
>  	  Support for IPsec ESP.

Hmm, the selection list doesn't include CTR so just adding SEQIV
per se makes no sense.  I'm not certain that we really want to
include every algorithm under the sun.  Steffen, what do you think?

Thanks,
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt