add factory reset (#41)

add factory reset
keycard-tech · Apr 30, 2021 · 8cf7cbf · 8cf7cbf
1 parent 9679ae2
commit 8cf7cbf
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Showing 6 changed files with 69 additions and 2 deletions.
diff --git a/android/src/main/java/im/status/ethereum/keycard/RNStatusKeycardModule.java b/android/src/main/java/im/status/ethereum/keycard/RNStatusKeycardModule.java
@@ -176,6 +176,20 @@ public void run() {
         }).start();
     }
 
+    @ReactMethod
+    public void factoryReset(final Promise promise) {
+        new Thread(new Runnable() {
+            public void run() {
+                try {
+                    promise.resolve(smartCard.factoryReset());
+                } catch (IOException | APDUException e) {
+                    Log.d(TAG, e.getMessage());
+                    promise.reject(e);
+                }
+            }
+        }).start();
+    }
+
     @ReactMethod
     public void deriveKey(final String path, final String pin, final Promise promise) {
         new Thread(new Runnable() {

diff --git a/android/src/main/java/im/status/ethereum/keycard/SmartCard.java b/android/src/main/java/im/status/ethereum/keycard/SmartCard.java
@@ -28,6 +28,7 @@
 import im.status.keycard.applet.RecoverableSignature;
 import im.status.keycard.globalplatform.GlobalPlatformCommandSet;
 import im.status.keycard.io.APDUException;
+import im.status.keycard.io.APDUResponse;
 import im.status.keycard.io.CardChannel;
 import im.status.keycard.io.CardListener;
 import im.status.keycard.android.NFCCardManager;
@@ -257,6 +258,29 @@ public WritableMap getApplicationInfo() throws IOException, APDUException {
         return cardInfo;
     }
 
+    public WritableMap factoryReset() throws IOException, APDUException {
+        GlobalPlatformCommandSet cmdSet = new GlobalPlatformCommandSet(this.cardChannel);
+        cmdSet.select().checkOK();
+        Log.i(TAG, "ISD selected");
+
+        cmdSet.openSecureChannel();
+        Log.i(TAG, "SecureChannel opened");
+
+        cmdSet.deleteKeycardInstance().checkSW(APDUResponse.SW_OK, APDUResponse.SW_REFERENCED_DATA_NOT_FOUND);
+        Log.i(TAG, "Keycard applet instance deleted");
+
+        cmdSet.installKeycardApplet().checkOK();
+        Log.i(TAG, "Keycard applet instance re-installed");
+
+        ApplicationInfo info = new ApplicationInfo(new KeycardCommandSet(this.cardChannel).select().checkOK().getData());
+        Log.i(TAG, "Selecting the newly installed Keycard applet succeeded");
+
+        WritableMap cardInfo = Arguments.createMap();
+        cardInfo.putBoolean("initialized?", info.isInitializedCard());
+
+        return cardInfo;
+    }
+
     public void deriveKey(final String path, final String pin) throws IOException, APDUException {
         KeycardCommandSet cmdSet = authenticatedCommandSet(pin);
 

diff --git a/ios/SmartCard.swift b/ios/SmartCard.swift
@@ -89,6 +89,29 @@ class SmartCard {
       resolve(true)
     }
 
+    func factoryReset(channel: CardChannel, resolve: RCTPromiseResolveBlock, reject: RCTPromiseRejectBlock) throws -> Void {
+      let cmdSet: GlobalPlatformCommandSet = GlobalPlatformCommandSet(cardChannel: channel);
+      try cmdSet.select().checkOK()
+      os_log("ISD selected")
+
+      try cmdSet.openSecureChannel()
+      os_log("SecureChannel opened")
+
+      try cmdSet.deleteKeycardInstance().checkSW(StatusWord.ok, StatusWord.referencedDataNotFound)
+      os_log("Keycard applet instance deleted")
+
+      try cmdSet.installKeycardInstance().checkOK()
+      os_log("Keycard applet instance re-installed")
+
+      let info = try ApplicationInfo(KeycardCommandSet(cardChannel: channel).select().checkOK().data)
+      os_log("Selecting the newly installed Keycard applet succeeded")
+
+      var cardInfo = [String: Any]()
+      cardInfo["initialized?"] = info.initializedCard
+
+      resolve(cardInfo)
+    }
+
     func getApplicationInfo(channel: CardChannel, resolve: RCTPromiseResolveBlock, reject: RCTPromiseRejectBlock) throws -> Void {
       let cmdSet = KeycardCommandSet(cardChannel: channel)
       let info = try ApplicationInfo(cmdSet.select().checkOK().data)

diff --git a/ios/StatusKeycard.m b/ios/StatusKeycard.m
@@ -12,6 +12,7 @@ @interface RCT_EXTERN_REMAP_MODULE(RNStatusKeycard, StatusKeycard, RCTEventEmitt
 RCT_EXTERN_METHOD(generateAndLoadKey:(NSString *)mnemonic pin:(NSString *)pin resolve:(RCTPromiseResolveBlock)resolve reject:(RCTPromiseRejectBlock)reject)
 RCT_EXTERN_METHOD(saveMnemonic:(NSString *)mnemonic pin:(NSString *)pin resolve:(RCTPromiseResolveBlock)resolve reject:(RCTPromiseRejectBlock)reject)
 RCT_EXTERN_METHOD(getApplicationInfo:(RCTPromiseResolveBlock)resolve reject:(RCTPromiseRejectBlock)reject)
+RCT_EXTERN_METHOD(factoryReset:(RCTPromiseResolveBlock)resolve reject:(RCTPromiseRejectBlock)reject)
 RCT_EXTERN_METHOD(deriveKey:(NSString *)path pin:(NSString *)pin resolve:(RCTPromiseResolveBlock)resolve reject:(RCTPromiseRejectBlock)reject)
 RCT_EXTERN_METHOD(exportKey:(NSString *)pin resolve:(RCTPromiseResolveBlock)resolve reject:(RCTPromiseRejectBlock)reject)
 RCT_EXTERN_METHOD(exportKeyWithPath:(NSString *)pin path:(NSString *)path resolve:(RCTPromiseResolveBlock)resolve reject:(RCTPromiseRejectBlock)reject)

diff --git a/ios/StatusKeycard.swift b/ios/StatusKeycard.swift
@@ -58,6 +58,11 @@ class StatusKeycard: RCTEventEmitter {
       keycardInvokation(reject) { [unowned self] channel in try self.smartCard.saveMnemonic(channel: channel, mnemonic: mnemonic, pin: pin, resolve: resolve, reject: reject) }
     }
 
+    @objc
+    func factoryReset(_ resolve: @escaping RCTPromiseResolveBlock, reject: @escaping RCTPromiseRejectBlock) -> Void {
+      keycardInvokation(reject) { [unowned self] channel in try self.smartCard.factoryReset(channel: channel, resolve: resolve, reject: reject) }
+    }
+
     @objc
     func getApplicationInfo(_ resolve: @escaping RCTPromiseResolveBlock, reject: @escaping RCTPromiseRejectBlock) -> Void {
       keycardInvokation(reject) { [unowned self] channel in try self.smartCard.getApplicationInfo(channel: channel, resolve: resolve, reject: reject) }

diff --git a/package.json b/package.json
@@ -1,8 +1,8 @@
 {
   "name": "react-native-status-keycard",
   "homepage": "https://keycard.status.im/",
-  "version": "2.5.34",
-  "description": "React Native library to interact with Status Keycard using NFC connection (Android only)",
+  "version": "2.5.35",
+  "description": "React Native library to interact with Status Keycard using NFC connection",
   "main": "index.js",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1"