0001 What: /sys/kernel/debug/turris-mox-rwtm/do_sign
0002 Date: Jun 2020
0003 KernelVersion: 5.8
0004 Contact: Marek Behún <kabel@kernel.org>
0005 Description:
0006
0007 ======= ===========================================================
0008 (Write) Message to sign with the ECDSA private key stored in
0009 device's OTP. The message must be exactly 64 bytes
0010 (since this is intended for SHA-512 hashes).
0011 (Read) The resulting signature, 136 bytes. This contains the
0012 R and S values of the ECDSA signature, both in
0013 big-endian format.
0014 ======= ===========================================================
