mirror of https://github.com/kepler155c/opus
40 lines
939 B
Lua
40 lines
939 B
Lua
local ECC = require('opus.crypto.ecc')
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local Event = require('opus.event')
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local Util = require('opus.util')
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local network = _G.network
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local os = _G.os
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local keyPairs = { }
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local function generateKeyPair()
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local key = { }
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for _ = 1, 32 do
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table.insert(key, math.random(0, 0xFF))
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end
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local privateKey = setmetatable(key, Util.byteArrayMT)
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return privateKey, ECC.publicKey(privateKey)
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end
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getmetatable(network).__index.getKeyPair = function()
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local keys = table.remove(keyPairs)
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os.queueEvent('generate_keypair')
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if not keys then
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return generateKeyPair()
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end
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return table.unpack(keys)
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end
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-- Generate key pairs in the background as this is a time-consuming process
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Event.on('generate_keypair', function()
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while true do
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os.sleep(5)
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local timer = Util.timer()
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table.insert(keyPairs, { generateKeyPair() })
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_G._syslog('Generated keypair in ' .. timer())
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if #keyPairs >= 3 then
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break
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end
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end
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end)
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