xref: /openbmc/linux/Documentation/ABI/testing/debugfs-turris-mox-rwtm (revision fa538f7cf05aab61cd91e01c160d4a09c81b8ffe)
1What:		/sys/kernel/debug/turris-mox-rwtm/do_sign
2Date:		Jun 2020
3KernelVersion:	5.8
4Contact:	Marek Behún <marek.behun@nic.cz>
5Description:	(W) Message to sign with the ECDSA private key stored in
6		    device's OTP. The message must be exactly 64 bytes (since
7		    this is intended for SHA-512 hashes).
8		(R) The resulting signature, 136 bytes. This contains the R and
9		    S values of the ECDSA signature, both in big-endian format.
10