On Mon, Apr 08, 2019 at 11:27:51AM +0000, Leonid Bloch wrote: > Hi List, > > Can you suggest a way of cryptographically verifying the content of a > btrfs subvolume, besides the naïve approach, of running a cryptographic > hash function on the output of btrfs send? > > Back in 2014, an RFC patch was sent to allow using sha256 instead of > crc32c for checksumming. > (https://patchwork.kernel.org/patch/5363311) > It was not merged. Had it been merged, one could just check the return > value of btrfs scrub, instead of checksumming the whole btrfs send > output, correct? Hi Leonid, I'm working on this feature currently but unfortunately get distracted with other things all too often. Thanks for your patience. Byte, Johannes -- Johannes Thumshirn SUSE Labs Filesystems jthumshirn@xxxxxxx +49 911 74053 689 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: Felix Imendörffer, Mary Higgins, Sri Rasiah HRB 21284 (AG Nürnberg) Key fingerprint = EC38 9CAB C2C4 F25D 8600 D0D0 0393 969D 2D76 0850
