Re: [PATCH 2/2] crypto: make the sha1 library optional

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On Sat, Jul 09, 2022 at 02:18:49PM -0700, Eric Biggers wrote:
> From: Eric Biggers <ebiggers@xxxxxxxxxx>
> 
> Since the Linux RNG no longer uses sha1_transform(), the SHA-1 library
> is no longer needed unconditionally.  Make it possible to build the
> Linux kernel without the SHA-1 library by putting it behind a kconfig
> option, and selecting this new option from the kconfig options that gate
> the remaining users: CRYPTO_SHA1 for crypto/sha1_generic.c, BPF for
> kernel/bpf/core.c, and IPV6 for net/ipv6/addrconf.c.
> 
> Unfortunately, since BPF is selected by NET, for now this can only make
> a difference for kernels built without networking support.

Seems like a step in the right direction, thanks.

Reviewed-by: Jason A. Donenfeld <Jason@xxxxxxxxx>



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