1e6e57b66SMarek BehúnWhat: /sys/kernel/debug/turris-mox-rwtm/do_sign 2e6e57b66SMarek BehúnDate: Jun 2020 3e6e57b66SMarek BehúnKernelVersion: 5.8 4*b37c3848SMarek BehúnContact: Marek Behún <kabel@kernel.org> 554a19b4dSMauro Carvalho ChehabDescription: 654a19b4dSMauro Carvalho Chehab 74119f0dfSMauro Carvalho Chehab ======= =========================================================== 84119f0dfSMauro Carvalho Chehab (Write) Message to sign with the ECDSA private key stored in 94119f0dfSMauro Carvalho Chehab device's OTP. The message must be exactly 64 bytes 104119f0dfSMauro Carvalho Chehab (since this is intended for SHA-512 hashes). 114119f0dfSMauro Carvalho Chehab (Read) The resulting signature, 136 bytes. This contains the 124119f0dfSMauro Carvalho Chehab R and S values of the ECDSA signature, both in 134119f0dfSMauro Carvalho Chehab big-endian format. 144119f0dfSMauro Carvalho Chehab ======= =========================================================== 15