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1What: /sys/kernel/debug/turris-mox-rwtm/do_sign2Date: Jun 20203KernelVersion: 5.84Contact: Marek Behún <kabel@kernel.org>5Description:6 7 ======= ===========================================================8 (Write) Message to sign with the ECDSA private key stored in9 device's OTP. The message must be exactly 64 bytes10 (since this is intended for SHA-512 hashes).11 (Read) The resulting signature, 136 bytes. This contains the12 R and S values of the ECDSA signature, both in13 big-endian format.14 ======= ===========================================================15