lkml.org 
[lkml]   [2016]   [Jan]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 1/2] crypto: jitterentropy - always select CRYPTO_RNG
On Mon, Jan 25, 2016 at 05:50:34PM +0100, Arnd Bergmann wrote:
> When building the jitterentropy driver by itself, we get a link error
> when CRYPTO_RNG is not enabled as well:
>
> crypto/built-in.o: In function `jent_mod_init':
> jitterentropy-kcapi.c:(.init.text+0x98): undefined reference to `crypto_register_rng'
> crypto/built-in.o: In function `jent_mod_exit':
> jitterentropy-kcapi.c:(.exit.text+0x60): undefined reference to `crypto_unregister_rng'
>
> This moves the 'select CRYPTO_RNG' from CRYPTO_DRBG to CRYPTO_JITTERENTROPY
> to ensure the API is always there when it's used, not just when DRBG is
> also enabled.
>
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---
> crypto/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/crypto/Kconfig b/crypto/Kconfig
> index 7240821137fd..99109b93604a 100644
> --- a/crypto/Kconfig
> +++ b/crypto/Kconfig
> @@ -1586,13 +1586,13 @@ config CRYPTO_DRBG_CTR
> config CRYPTO_DRBG
> tristate
> default CRYPTO_DRBG_MENU
> - select CRYPTO_RNG

I think we should leave this there as DRBG itself is an RNG and
it just uses JITTERENTROPY which happens to be an RNG.

Otherwise this looks OK to me.

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

\
 
 \ /
  Last update: 2016-01-26 12:21    [W:0.099 / U:0.148 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site