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@@ -4,7 +4,8 @@ local tab = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
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base64 = {
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enc = function(data)
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local l,out = 0,''
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- local d = data..string.rep('\0',(3-data:len()%3)%3)
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+ local m = (3-data:len()%3)%3
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+ local d = data..string.rep('\0',m)
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for i=1,d:len() do
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l = bit.lshift(l,8)
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l = l+d:byte(i,i)
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@@ -16,7 +17,7 @@ base64 = {
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end
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end
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end
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- return out..({'','==','='})[data:len()%3+1]
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+ return out:sub(1,-1-m)..string.rep('=',m)
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end,
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dec = function(data)
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local a,b = data:gsub('=','A')
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