On Thu 2015-07-16 22:25:15, Lee, Chun-Yi wrote:
> Using HMAC-SHA1 to be the HMAC algorithm of signing hibernate
> snapshot image. The digest size of HMAC-SHA1 is 160 bits (20 bytes),
> this size will be also applied to the length of HMAC key.
>
> In addition, add HIBERNATE_VERIFICATION kernel config.
>
> Signed-off-by: Lee, Chun-Yi <jlee@xxxxxxxx>
> ---
> include/linux/suspend.h | 5 +++++
> kernel/power/Kconfig | 13 +++++++++++++
> kernel/power/power.h | 1 +
> 3 files changed, 19 insertions(+)
>
> diff --git a/include/linux/suspend.h b/include/linux/suspend.h
> index 5efe743..6cd2a48 100644
> --- a/include/linux/suspend.h
> +++ b/include/linux/suspend.h
> @@ -327,6 +327,11 @@ struct platform_hibernation_ops {
> };
>
> #ifdef CONFIG_HIBERNATION
> +
> +/* HMAC Algorithm of Hibernate Signature */
> +#define SWSUSP_HMAC "hmac(sha1)"
> +#define SWSUSP_DIGEST_SIZE 20
I'd replace SWSUSP with HIBERNATION here, and pretty much everywhere.
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