Re: [PATCH v3 1/3] crypto: drbg: DRBG should select SHA512

[Herbert Xu]

On Fri, Apr 24, 2020 at 01:40:45PM +0000, Corentin Labbe wrote:
> Since DRBG could use SHA384/SHA512, it should select it.
> 
> Signed-off-by: Corentin Labbe <clabbe@xxxxxxxxxxxx>
> ---
>  crypto/Kconfig | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/crypto/Kconfig b/crypto/Kconfig
> index c24a47406f8f..6d27fc6a7bf5 100644
> --- a/crypto/Kconfig
> +++ b/crypto/Kconfig
> @@ -1810,10 +1810,12 @@ config CRYPTO_DRBG_HMAC
>  	default y
>  	select CRYPTO_HMAC
>  	select CRYPTO_SHA256
> +	select CRYPTO_SHA512
>  
>  config CRYPTO_DRBG_HASH
>  	bool "Enable Hash DRBG"
>  	select CRYPTO_SHA256
> +	select CRYPTO_SHA512
>  	help
>  	  Enable the Hash DRBG variant as defined in NIST SP800-90A.

The default hash drbg is sha256, the others are only optional.

Cheers,
-- 
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
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