V0.7.0 Arroyo Toad
Added Factory to help the creation of EdgeDevices
This commit is contained in:
Christian Risi
@@ -15,12 +15,17 @@ public class EdgeDevice: EdgeDeviceP {
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public var dutyCicle: UInt
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public var sensors: [Int: Sensor]
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public var privateKey: P256.Signing.PrivateKey
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public var publicKey: P256.Signing.PublicKey {
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get{
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return self.privateKey.publicKey
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}
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}
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private var numberOfSensors: Int {
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return sensors.count
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}
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public init(
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internal init(
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deviceID: UInt128,
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dataType: DataType,
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disconnected: Bool,
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@@ -1,4 +1,4 @@
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public enum DataType : Sendable{
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public enum DataType : String{
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case Temperature
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case Humidity
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case Scan
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@@ -1,4 +1,8 @@
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public enum CoreError : Error {
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case NoPhysicalDataAvailable( dataType: String)
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case NoEnvironment
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case NoJSONDevice
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case DeviceIDAlreadyExsitent
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case InvalidDeviceID
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case FinishedIDs
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}
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93
Sources/IoT-Simulator-Core/Factories/DeviceFactories.swift
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93
Sources/IoT-Simulator-Core/Factories/DeviceFactories.swift
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@@ -0,0 +1,93 @@
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import Crypto
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import MessageUtils
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public actor DeviceFactory {
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private static var setted: Bool = false
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private static var availableIDs: Set<UInt128> = Set(0..<999)
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public static func createEdgeDevice(
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dataType: DataType,
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privateKey: P256.Signing.PrivateKey
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) throws -> EdgeDevice{
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return try DeviceFactory.createEdgeDevice(
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dataType: dataType,
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privateKey: privateKey,
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realSensor: false
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)
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}
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public static func createEdgeDevice(
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dataType: DataType,
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privateKey: P256.Signing.PrivateKey,
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realSensor: Bool
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) throws -> EdgeDevice{
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let deviceID = try DeviceFactory.getUnusedID()
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return try DeviceFactory.createEdgeDevice(
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deviceID: deviceID,
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dataType: dataType,
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location: Location(
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x: UInt64.random(in: 0...10000),
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y: UInt64.random(in: 0...10000),
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z: UInt64.random(in: 0...10000)
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),
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dutyCicle: UInt.random(in: 0...5000),
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privateKey: privateKey,
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realSensor: realSensor
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)
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}
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public static func createEdgeDevice(
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deviceID: UInt128,
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dataType: DataType,
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location: Location,
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dutyCicle: UInt,
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privateKey: P256.Signing.PrivateKey,
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realSensor: Bool
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) throws -> EdgeDevice {
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if !DeviceFactory.availableIDs.contains(deviceID) {
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throw CoreError.InvalidDeviceID
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}
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DeviceFactory.availableIDs.remove(deviceID)
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// Create sensors here
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let sensors : [Int: Sensor]
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if !realSensor {
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sensors = [
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0: Sensor(id: 0, sensorType: dataType),
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1: Sensor(id: 1, sensorType: dataType),
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2: Sensor(id: 2, sensorType: dataType)
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]
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} else {
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sensors = [
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0: RealSensor(sensorID: 0, sensorType: dataType, faulty: false, meanNoise: 0, stdNoise: 0.5, quantizationBits: 8),
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1: RealSensor(sensorID: 1, sensorType: dataType, faulty: false, meanNoise: 0, stdNoise: 0.5, quantizationBits: 8),
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2: RealSensor(sensorID: 2, sensorType: dataType, faulty: false, meanNoise: 0, stdNoise: 0.5, quantizationBits: 8)
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]
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}
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return EdgeDevice(
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deviceID: deviceID,
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dataType: dataType,
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disconnected: false,
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location: location,
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dutyCicle: dutyCicle,
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sensors: sensors,
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privateKey: privateKey)
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}
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private static func getUnusedID() throws -> UInt128 {
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if DeviceFactory.availableIDs.count < 1 {
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throw CoreError.FinishedIDs
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}
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return DeviceFactory.availableIDs.removeFirst()
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}
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}
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@@ -12,6 +12,7 @@ public protocol EdgeDeviceP {
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var compromised : Bool {get set}
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var dutyCicle : UInt {get set}
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var privateKey: P256.Signing.PrivateKey {get}
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var publicKey: P256.Signing.PublicKey {get}
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func work(envrionment: PhysicalEnvironment) throws -> Data
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@@ -1,82 +0,0 @@
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import Crypto // Equivalent to CryptoKit (more or less)
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import Foundation
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// ------------------
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// --- Sign ---------
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// ------------------
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public func sign(string: String, key: P521.Signing.PrivateKey) throws -> String {
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let data = Data(string.utf8)
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return try sign(object: data, key: key)
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}
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public func sign(object: Data, key: P521.Signing.PrivateKey)throws -> String {
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return try key.signature<Data>(for: object).rawRepresentation.base64EncodedString()
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}
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/*
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public func sign<T>(object: T, key: P521.Signing.PrivateKey) throws -> String {
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var _object = object
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let data: Data = Data(bytes: &_object, count: MemoryLayout<T>.stride)
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} */
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// ------------------
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// --- Decrypt ------
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// ------------------
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public func verifySignature(signature: String, string: String, key: P521.Signing.PublicKey) throws -> Bool {
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let data = Data(string.utf8)
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let ecdsa: P521.Signing.ECDSASignature
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do {
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let bytes = Data(base64Encoded: signature)!
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ecdsa = try P521.Signing.ECDSASignature(rawRepresentation: bytes)
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} catch {
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throw SecurityError.NotDecodableError
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}
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return key.isValidSignature<Data>(ecdsa, for: data)
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}
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public func verifySignature(signature: String, object: Data, key: P521.Signing.PublicKey) throws -> Bool {
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let ecdsa: P521.Signing.ECDSASignature
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do {
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let bytes = Data(base64Encoded: signature)!
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ecdsa = try P521.Signing.ECDSASignature(rawRepresentation: bytes)
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} catch {
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throw SecurityError.NotDecodableError
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}
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return key.isValidSignature<Data>(ecdsa, for: object)
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}
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// ------------------
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// --- PEM 2 Key ----
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// ------------------
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public func pem2key(filePath: String) throws -> P521.Signing.PrivateKey {
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let pemURL: URL = URL(filePath: filePath)
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return try pem2key(filePem: pemURL)
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}
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public func pem2key(filePem: URL) throws -> P521.Signing.PrivateKey {
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let fileString: String = try String(contentsOf: filePem, encoding: String.Encoding.utf8)
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return try pem2key(pemString: fileString)
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}
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public func pem2key(pemString: String) throws -> P521.Signing.PrivateKey {
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return try P521.Signing.PrivateKey(pemRepresentation: pemString)
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}
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@@ -1,28 +0,0 @@
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import Foundation
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public func meanValue<Numerical: FloatingPoint>(values: [Numerical]) -> Numerical{
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var avg : Numerical = 0
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for i in 0..<values.count {
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avg += values[i]
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}
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return avg / Numerical(values.count)
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}
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// UGLY Find a way to implement power protocol, if issues with optimization
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public func standardDeviation<Numerical: FloatingPoint>(values: [Numerical]) -> Numerical{
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let avg : Numerical = meanValue(values: values)
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var summatory: Numerical = 0
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for i in 0..<values.count {
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let intermediate = (values[i] - avg)
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summatory += (intermediate * intermediate)
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}
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return sqrt(
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summatory / Numerical(values.count)
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)
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}
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