security update round 2

sys/modules/opus/security.lua

@@ -13,13 +13,28 @@ function Security.hasPassword()
 	return not not Security.getPassword()
 end
 
+local function genKey()
+	local key = { }
+	for _ = 1, 32 do
+		table.insert(key, ("%02x"):format(math.random(0, 0xFF)))
+	end
+	return table.concat(key)
+end
+
+function Security.generateKeyPair()
+	local privateKey = Util.hexToByteArray(genKey())
+	return privateKey, ECC.publicKey(privateKey)
+end
+
+function Security.getIdentifier()
+	return Security.geetPublicKey()
+end
+
+-- deprecate - will use getIdentifier
 function Security.getSecretKey()
 	local config = Config.load('os')
 	if not config.secretKey then
-		config.secretKey = ""
-		for _ = 1, 32 do
-			config.secretKey = config.secretKey .. ("%02x"):format(math.random(0, 0xFF))
-		end
+		config.secretKey = genKey()
 		Config.update('os', config)
 	end
 	return Util.hexToByteArray(config.secretKey)