Hi Ritul,
  I'm thinking you want libssl.  Without knowing what platform you're
building on, it's hard to say more than that.

Here's everything the coreboot builders install when setting up the
coreboot sdk using debian:
https://review.coreboot.org/plugins/gitiles/coreboot/+/refs/heads/master/util/docker/coreboot-sdk/Dockerfile

Martin

On Thu, Oct 27, 2022 at 12:59 PM ritul guru <ritul.bits@gmail.com> wrote:
>
> Hi,
> I am getting build below error, any pre-req to get SHA256 definitions?
>
> /usr/bin/ld: build/util/amdfwtool/amdfwtool.o: in function `add_single_sha':
> /amd/src/coreboot/util/amdfwtool/amdfwtool.c:685: undefined reference to `SHA256'
> /usr/bin/ld: /amd/src/coreboot/util/amdfwtool/amdfwtool.c:682: undefined reference to `SHA384'
> collect2: error: ld returned 1 exit status
> make: *** [util/amdfwtool/Makefile.inc:19: build/util/amdfwtool/amdfwtool] Error 1
>
>
>
> Thanks & Regards
> Ritul Guru
> +91-9916513186
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