move apis into rom/modules/main for shell compatibility

sys/modules/opus/security.lua

@@ -0,0 +1,43 @@
+local Config = require('opus.config')
+local Util   = require('opus.util')
+local ECC    = require('opus.crypto.ecc')
+
+local Security = { }
+
+function Security.verifyPassword(password)
+	local current = Security.getPassword()
+	return current and password == current
+end
+
+function Security.hasPassword()
+	return not not Security.getPassword()
+end
+
+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.update('os', config)
+	end
+	return Util.hexToByteArray(config.secretKey)
+end
+
+function Security.getPublicKey()
+	local secretKey = Security.getSecretKey()
+	return ECC.publicKey(secretKey)
+end
+
+function Security.updatePassword(password)
+	local config = Config.load('os')
+	config.password = password
+	Config.update('os', config)
+end
+
+function Security.getPassword()
+	return Config.load('os').password
+end
+
+return Security