Generate an HMAC Key.
Generate an HMAC Key in the device.
Generate an HMAC-SHA512 key:
yubihsm> generate hmackey 0 0 hmackey 1 sign-hmac:verify-hmac hmac-sha512 Generated HMAC key 0xa9bf
Tc = 0x5a
Lc = 2 + 40 + 2 + 8 + 1
Vr = I || L || D || C || A
I := Object ID of the HMAC Key (2 bytes)
L := Label (40 bytes)
D := Domains (2 bytes)
C := Capabilities (8 bytes)
A := Algorithm (1 byte)
Tr = 0xda
Lr = 2
Vr = I
I := Object ID of the created HMAC Key (2 bytes)