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authorArnd Bergmann <arnd@arndb.de>2020-07-24 16:11:54 +0200
committerArnd Bergmann <arnd@arndb.de>2020-07-24 16:12:00 +0200
commit1d4eadaf1717dfd1423988f794ef351f13e3cbb5 (patch)
tree85a6b7072cf752d5e68b17055b51d2f523ebf2f2 /Documentation/ABI/testing
parent18517746d732aabe27257d40a0955d0d177ab039 (diff)
parente6e57b663ea13e595f0c1fc310959f4e44dbf601 (diff)
Merge tag 'mvebu-drivers-5.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/gclement/mvebu into arm/drivers
mvebu drivers for 5.9 (part 1) For firmware on the Turris MOX (Armada 3720 based board), add support ECDSA signatures via debugfs. * tag 'mvebu-drivers-5.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/gclement/mvebu: firmware: turris-mox-rwtm: add debugfs documentation firmware: turris-mox-rwtm: support ECDSA signatures via debugfs Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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diff --git a/Documentation/ABI/testing/debugfs-turris-mox-rwtm b/Documentation/ABI/testing/debugfs-turris-mox-rwtm
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+What: /sys/kernel/debug/turris-mox-rwtm/do_sign
+Date: Jun 2020
+KernelVersion: 5.8
+Contact: Marek BehĂșn <marek.behun@nic.cz>
+Description: (W) Message to sign with the ECDSA private key stored in
+ device's OTP. The message must be exactly 64 bytes (since
+ this is intended for SHA-512 hashes).
+ (R) The resulting signature, 136 bytes. This contains the R and
+ S values of the ECDSA signature, both in big-endian format.