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 <jkosina@xxxxxxx> > Signed-off-by: Lee, Chun-Yi <jlee@xxxxxxxx> > --- > 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 -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
