Re: [PATCH] init/Kconfig: Support sign module with SM3 hash algorithm

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On 3/23/21 1:35 AM, Tianjia Zhang wrote:
> The kernel module signature supports the option to use the SM3
> secure hash (OSCCA GM/T 0004-2012 SM3).
> 
> Signed-off-by: Tianjia Zhang <tianjia.zhang@xxxxxxxxxxxxxxxxx>
> ---
>  Documentation/admin-guide/module-signing.rst | 5 +++--
>  crypto/asymmetric_keys/pkcs7_parser.c        | 7 +++++++
>  init/Kconfig                                 | 5 +++++
>  3 files changed, 15 insertions(+), 2 deletions(-)
> 

> diff --git a/init/Kconfig b/init/Kconfig
> index 5f5c776ef192..fed9236078e4 100644
> --- a/init/Kconfig
> +++ b/init/Kconfig
> @@ -2202,6 +2202,10 @@ config MODULE_SIG_SHA512
>  	bool "Sign modules with SHA-512"
>  	select CRYPTO_SHA512
>  
> +config MODULE_SIG_SM3
> +	bool "Sign modules with SM3"
> +	select CRYPTO_SM3
> +
>  endchoice
>  
>  config MODULE_SIG_HASH
> @@ -2212,6 +2216,7 @@ config MODULE_SIG_HASH
>  	default "sha256" if MODULE_SIG_SHA256
>  	default "sha384" if MODULE_SIG_SHA384
>  	default "sha512" if MODULE_SIG_SHA512
> +	default "sm3" if MODULE_SIG_SM3
>  
>  config MODULE_COMPRESS
>  	bool "Compress modules on installation"
> 

checkpatch tells me:

WARNING: please write a paragraph that describes the config symbol fully
#74: FILE: init/Kconfig:2205:
+config MODULE_SIG_SM3


so yes, it should have some help text there.

thanks.
-- 
~Randy




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