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Change #1047

Category None
Changed by Jo-Philipp Wich <joohnoyoudont@mein.io>
Changed at Wed 07 Aug 2019 05:25:11
Repository git@git.lede-project.org:source.git
Branch lede-17.01
Revision 128366e1a881b5a9dab4f454a7cf1c45e72a34f1

Comments

packages: apply usign padding workarounds to package indexes if needed
Since usign miscalculates SHA-512 digests for input sizes of exactly
64 + N * 128 + 110 or 64 + N * 128 + 111 bytes, we need to apply some
white space padding to avoid triggering the hashing edge case.

While usign itself has been fixed already, there is still many firmwares
in the wild which use broken usign versions to verify current package
indexes so we'll need to carry this workaround in the forseeable future.

Ref: https://forum.openwrt.org/t/signature-check-failed/41945
Ref: https://git.openwrt.org/5a52b379902471cef495687547c7b568142f66d2
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
(backported from commit e1f588e446c7ceb696b644b37aeab9b3476e2a57)

Changed files