On Thu 2013-08-22 19:01:56, Lee, Chun-Yi wrote:
> This patch introduced SNAPSHOT_SIG_HASH config for user to select which
> hash algorithm will be used during signature generation of snapshot.
>
> v2:
> Add define check of oCONFIG_SNAPSHOT_VERIFICATION in snapshot.c before
> declare pkey_hash().
>
> Reviewed-by: Jiri Kosina <jkos...@suse.cz>
> Signed-off-by: Lee, Chun-Yi <j...@suse.com>
> ---
> kernel/power/Kconfig | 46 ++++++++++++++++++++++++++++++++++++++++++++++
> kernel/power/snapshot.c | 27 ++++++++++++++++++++++-----
> 2 files changed, 68 insertions(+), 5 deletions(-)
>
> diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig
> index b592d88..79b34fa 100644
> --- a/kernel/power/Kconfig
> +++ b/kernel/power/Kconfig
> @@ -78,6 +78,52 @@ config SNAPSHOT_VERIFICATION
> dependent on UEFI environment. EFI bootloader should generate the
> key-pair.
>
> +choice
> + prompt "Which hash algorithm should snapshot be signed with?"
> + depends on SNAPSHOT_VERIFICATION
> + help
> + This determines which sort of hashing algorithm will be used during
> + signature generation of snapshot. This algorithm _must_ be built
> into
> + the kernel directly so that signature verification can take place.
> + It is not possible to load a signed snapshot containing the algorithm
> + to check the signature on that module.
Like if 1000 ifdefs you already added to the code are not enough, you
make some new ones?
Pavel
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