opus/sys/apps/genotp.lua

23 lines
702 B
Lua

local SHA = require("opus.crypto.sha2")
local acceptableCharacters = {}
for c = 0, 127 do
local char = string.char(c)
-- exclude potentially ambiguous characters
if char:match("[1-9a-zA-Z]") and char:match("[^OIl]") end
table.insert(acceptableCharacters, char)
end
end
local acceptableCharactersLen = #acceptableCharacters
local password = ""
for i = 1, 10 do
password = password .. acceptableCharacters[math.random(acceptableCharactersLen)]
end
os.queueEvent("set_otp", SHA.compute(password))
print("This allows one other device to permanently gain access to this device.")
print("Use the trust settings in System to revert this.")
print("Your one-time password is: " .. password)