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authorSascha Hauer <s.hauer@pengutronix.de>2018-09-07 15:36:38 +0300
committerRichard Weinberger <richard@nod.at>2018-10-23 14:48:40 +0300
commitda8ef65f9573952c717d86f8f501773daf29bd10 (patch)
treeebe8f65efa5e149eca12d592b6aa1591bfddeb17 /.gitattributes
parent6f06d96fdf624be3e1d65c6100704a1fd79a30b7 (diff)
downloadlinux-da8ef65f9573952c717d86f8f501773daf29bd10.tar.xz
ubifs: Authenticate replayed journal
Make sure that during replay all buds can be authenticated. To do this we calculate the hash chain until we find an authentication node and check the HMAC in that node against the current status of the hash chain. After a power cut it can happen that some nodes have been written, but not yet the authentication node for them. These nodes have to be discarded during replay. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Richard Weinberger <richard@nod.at>
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