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genotp.lua changes

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Make genotp more clearly state that the password can be used once but
allows permanent access (sorry for not making this clear earlier.) Use a
slightly longer password, and allow uppercase characters except for some
that could be ambiguous
This commit is contained in:
Kan18 2022-12-28 13:22:57 +04:00
parent 4104750539
commit f7ba900930
1 changed files with 12 additions and 4 deletions
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16
sys/apps/genotp.lua
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@ -1,14 +1,22 @@
local SHA = require("opus.crypto.sha2")
local acceptableCharacters = {"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z"}
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, 8 do
for i = 1, 10 do
password = password .. acceptableCharacters[math.random(acceptableCharactersLen)]
end
os.queueEvent("set_otp", SHA.compute(password))
print("Your one-time password is: " .. 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)