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-rw-r--r--util/random.lua6
1 files changed, 5 insertions, 1 deletions
diff --git a/util/random.lua b/util/random.lua
index 51f2747d..6782d7fa 100644
--- a/util/random.lua
+++ b/util/random.lua
@@ -14,7 +14,11 @@ local urandom, urandom_err = io.open("/dev/urandom", "r");
local function bytes(n)
local data, err = urandom:read(n);
if not data then
- error("Unable to retrieve data from secure random number generator (/dev/urandom): "..tostring(err));
+ if err then
+ error("Unable to retrieve data from secure random number generator (/dev/urandom): "..tostring(err));
+ else
+ error("Secure random number generator (/dev/urandom) returned an end-of-file condition");
+ end
end
return data;
end