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Merge pull request #140 from apreiml/fix

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make sure we got enough random bytes
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Bram 2019-07-30 00:40:58 +02:00 committed by GitHub
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1 changed files with 5 additions and 1 deletions
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6
init.lua
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@ -36,7 +36,11 @@ end
-- Efficient function to get a random string -- Efficient function to get a random string
function random_string() function random_string()
local random_bytes = io.open("/dev/urandom"):read(64); local length = 64
local random_bytes = io.open("/dev/urandom"):read(length);
if string.len(random_bytes) ~= length then
error("Not enough random bytes read")
end
return tohex(random_bytes); return tohex(random_bytes);
end end