_

avoid NVM writes (to improve login speed with Keycard)

android/build.gradle

@@ -23,6 +23,11 @@ android {
         versionCode 1
         versionName "1.0"
     }
+
+    lintOptions {
+        abortOnError false
+    }
+
 }
 
 repositories {
@@ -41,5 +46,5 @@ dependencies {
     implementation 'com.facebook.react:react-native:+'
     implementation 'org.bouncycastle:bcprov-jdk15on:1.60'
     implementation 'org.apache.commons:commons-lang3:3.9'
-    implementation 'com.github.status-im.status-keycard-java:android:2.2.1'
+    implementation 'com.github.status-im.status-keycard-java:android:3.0.1'
 }

android/src/main/java/im/status/ethereum/keycard/RNStatusKeycardModule.java

@@ -247,6 +247,20 @@ public class RNStatusKeycardModule extends ReactContextBaseJavaModule implements
         }).start();
     }
 
+    @ReactMethod
+    public void signWithPath(final String pairing, final String pin, final String path, final String hash, final Promise promise) {
+        new Thread(new Runnable() {
+            public void run() {
+                try {
+                    promise.resolve(smartCard.signWithPath(pairing, pin, path, hash));
+                } catch (IOException | APDUException e) {
+                    Log.d(TAG, e.getMessage());
+                    promise.reject(e);
+                }
+            }
+        }).start();
+    }
+
     @ReactMethod
     public void signPinless(final String hash, final Promise promise) {
         new Thread(new Runnable() {

android/src/main/java/im/status/ethereum/keycard/SmartCard.java

@@ -110,9 +110,13 @@ public class SmartCard extends BroadcastReceiver implements CardListener {
         boolean on = false;
         switch (state) {
             case NfcAdapter.STATE_ON:
+                eventEmitter.emit("keyCardOnNFCEnabled", null);
                 log("NFC ON");
+                break;
             case NfcAdapter.STATE_OFF:
+                eventEmitter.emit("keyCardOnNFCDisabled", null);
                 log("NFC OFF");
+                break;
             default:
                 log("other");
         }
@@ -277,8 +281,10 @@ public class SmartCard extends BroadcastReceiver implements CardListener {
         KeyPath currentPath = new KeyPath(cmdSet.getStatus(KeycardCommandSet.GET_STATUS_P1_KEY_PATH).checkOK().getData());
         Log.i(TAG, "Current key path: " + currentPath);
 
-        cmdSet.deriveKey(path).checkOK();
-        Log.i(TAG, "Derived " + path);
+        if (!currentPath.toString().equals(path)) {
+            cmdSet.deriveKey(path).checkOK();
+            Log.i(TAG, "Derived " + path);
+        }
     }
 
     public String exportKey(final String pairingBase64, final String pin) throws IOException, APDUException {
@@ -330,20 +336,20 @@ public class SmartCard extends BroadcastReceiver implements CardListener {
         cmdSet.verifyPIN(pin).checkOK();
         Log.i(TAG, "pin verified");
 
-        byte[] tlvMaster = cmdSet.exportKey(MASTER_PATH, true, true).checkOK().getData();
+        byte[] tlvEncryption = cmdSet.exportKey(ENCRYPTION_PATH, false, false).checkOK().getData();
+        BIP32KeyPair encryptionKeyPair = BIP32KeyPair.fromTLV(tlvEncryption);
+
+        byte[] tlvMaster = cmdSet.exportKey(MASTER_PATH, false, true).checkOK().getData();
         BIP32KeyPair masterPair = BIP32KeyPair.fromTLV(tlvMaster);
 
-        byte[] tlvRoot = cmdSet.exportKey(ROOT_PATH, true, true).checkOK().getData();
+        byte[] tlvRoot = cmdSet.exportKey(ROOT_PATH, false, true).checkOK().getData();
         BIP32KeyPair keyPair = BIP32KeyPair.fromTLV(tlvRoot);
 
-        byte[] tlv = cmdSet.exportKey(WALLET_PATH, true, true).checkOK().getData();
-        BIP32KeyPair walletKeyPair = BIP32KeyPair.fromTLV(tlv);
+        byte[] tlvWhisper = cmdSet.exportKey(WHISPER_PATH, false, false).checkOK().getData();
+        BIP32KeyPair whisperKeyPair = BIP32KeyPair.fromTLV(tlvWhisper);
 
-        byte[] tlv2 = cmdSet.exportKey(WHISPER_PATH, false, false).checkOK().getData();
-        BIP32KeyPair whisperKeyPair = BIP32KeyPair.fromTLV(tlv2);
-
-        byte[] tlv3 = cmdSet.exportKey(ENCRYPTION_PATH, false, false).checkOK().getData();
-        BIP32KeyPair encryptionKeyPair = BIP32KeyPair.fromTLV(tlv3);
+        byte[] tlvWallet = cmdSet.exportKey(WALLET_PATH, true, true).checkOK().getData();
+        BIP32KeyPair walletKeyPair = BIP32KeyPair.fromTLV(tlvWallet);
 
         ApplicationInfo info = new ApplicationInfo(cmdSet.select().checkOK().getData());
 
@@ -380,32 +386,24 @@ public class SmartCard extends BroadcastReceiver implements CardListener {
         byte[] seed = Mnemonic.toBinarySeed(mnemonic, "");
         BIP32KeyPair keyPair = BIP32KeyPair.fromBinarySeed(seed);
 
-        cmdSet.loadKey(keyPair);
+        cmdSet.loadKey(keyPair).checkOK();
         log("keypair loaded to card");
 
-        cmdSet.deriveKey(ROOT_PATH).checkOK();
+        byte[] tlvRoot = cmdSet.exportKey(ROOT_PATH, false, true).checkOK().getData();
         Log.i(TAG, "Derived " + ROOT_PATH);
-
-        byte[] tlvRoot = cmdSet.exportCurrentKey(true).checkOK().getData();
         BIP32KeyPair rootKeyPair = BIP32KeyPair.fromTLV(tlvRoot);
 
-        cmdSet.deriveKey(WALLET_PATH).checkOK();
-        Log.i(TAG, "Derived " + WALLET_PATH);
-
-        byte[] tlv = cmdSet.exportCurrentKey(true).checkOK().getData();
-        BIP32KeyPair walletKeyPair = BIP32KeyPair.fromTLV(tlv);
-
-        cmdSet.deriveKey(WHISPER_PATH).checkOK();
+        byte[] tlvWhisper = cmdSet.exportKey(WHISPER_PATH, false, false).checkOK().getData();
         Log.i(TAG, "Derived " + WHISPER_PATH);
+        BIP32KeyPair whisperKeyPair = BIP32KeyPair.fromTLV(tlvWhisper);
 
-        byte[] tlv2 = cmdSet.exportCurrentKey(false).checkOK().getData();
-        BIP32KeyPair whisperKeyPair = BIP32KeyPair.fromTLV(tlv2);
-
-        cmdSet.deriveKey(ENCRYPTION_PATH).checkOK();
+        byte[] tlvEncryption = cmdSet.exportKey(ENCRYPTION_PATH, false, false).checkOK().getData();
         Log.i(TAG, "Derived " + ENCRYPTION_PATH);
+        BIP32KeyPair encryptionKeyPair = BIP32KeyPair.fromTLV(tlvEncryption);
 
-        byte[] tlv3 = cmdSet.exportCurrentKey(false).checkOK().getData();
-        BIP32KeyPair encryptionKeyPair = BIP32KeyPair.fromTLV(tlv3);
+        byte[] tlvWallet = cmdSet.exportKey(WALLET_PATH, true, true).checkOK().getData();
+        Log.i(TAG, "Derived " + WALLET_PATH);
+        BIP32KeyPair walletKeyPair = BIP32KeyPair.fromTLV(tlvWallet);
 
         ApplicationInfo info = new ApplicationInfo(cmdSet.select().checkOK().getData());
 
@@ -575,6 +573,39 @@ public class SmartCard extends BroadcastReceiver implements CardListener {
         return sig;
     }
 
+    public String signWithPath(final String pairingBase64, final String pin, final String path, final String message) throws IOException, APDUException {
+        KeycardCommandSet cmdSet = new KeycardCommandSet(this.cardChannel);
+        cmdSet.select().checkOK();
+
+        Pairing pairing = new Pairing(pairingBase64);
+        cmdSet.setPairing(pairing);
+
+        cmdSet.autoOpenSecureChannel();
+        Log.i(TAG, "secure channel opened");
+
+        cmdSet.verifyPIN(pin).checkOK();
+        Log.i(TAG, "pin verified");
+
+        byte[] hash = Hex.decode(message);
+        RecoverableSignature signature = new RecoverableSignature(hash, cmdSet.signWithPath(hash, path, false).checkOK().getData());
+
+        Log.i(TAG, "Signed hash: " + Hex.toHexString(hash));
+        Log.i(TAG, "Recovery ID: " + signature.getRecId());
+        Log.i(TAG, "R: " + Hex.toHexString(signature.getR()));
+        Log.i(TAG, "S: " + Hex.toHexString(signature.getS()));
+
+        ByteArrayOutputStream out = new ByteArrayOutputStream();
+
+        out.write(signature.getR());
+        out.write(signature.getS());
+        out.write(signature.getRecId());
+
+        String sig = Hex.toHexString(out.toByteArray());
+        Log.i(TAG, "Signature: " + sig);
+
+        return sig;
+    }
+
     public String signPinless(final String message) throws IOException, APDUException {
         CashCommandSet cmdSet = new CashCommandSet(this.cardChannel);
         cmdSet.select().checkOK();

docs/usage.md

@@ -11,10 +11,12 @@ import Keycard from "react-native-status-keycard";
 ```javascript
 import { DeviceEventEmitter } from 'react-native';
 
-// Listen to connect/disconnect events
+// Listen to connect/disconnect and nfc events
 componentDidMount () {
   DeviceEventEmitter.addListener("keyCardOnConnected", () => console.log("keycard connected"));
   DeviceEventEmitter.addListener("keyCardOnDisconnected", () => console.log("keycard disconnected"));
+  DeviceEventEmitter.addListener("keyCardOnNFCEnabled", () => console.log("nfc enabled"));
+  DeviceEventEmitter.addListener("keyCardOnNFCDisabled", () => console.log("nfc disabled"));
 }
 ```
 

ios/StatusKeycard.h

@@ -0,0 +1,5 @@
+#import <React/RCTBridgeModule.h>
+
+@interface StatusKeycard : NSObject <RCTBridgeModule>
+
+@end

ios/StatusKeycard.m

@@ -0,0 +1,14 @@
+#import "StatusKeycard.h"
+
+
+@implementation StatusKeycard
+
+RCT_EXPORT_MODULE()
+
+RCT_EXPORT_METHOD(sampleMethod:(NSString *)stringArgument numberParameter:(nonnull NSNumber *)numberArgument callback:(RCTResponseSenderBlock)callback)
+{
+    // TODO: Implement some actually useful functionality
+    callback(@[[NSString stringWithFormat: @"numberArgument: %@ stringArgument: %@", numberArgument, stringArgument]]);
+}
+
+@end

ios/StatusKeycard.xcodeproj/project.pbxproj

@@ -0,0 +1,271 @@
+// !$*UTF8*$!
+{
+	archiveVersion = 1;
+	classes = {
+	};
+	objectVersion = 46;
+	objects = {
+
+/* Begin PBXBuildFile section */
+		B3E7B58A1CC2AC0600A0062D /* StatusKeycard.m in Sources */ = {isa = PBXBuildFile; fileRef = B3E7B5891CC2AC0600A0062D /* StatusKeycard.m */; };
+/* End PBXBuildFile section */
+
+/* Begin PBXCopyFilesBuildPhase section */
+		58B511D91A9E6C8500147676 /* CopyFiles */ = {
+			isa = PBXCopyFilesBuildPhase;
+			buildActionMask = 2147483647;
+			dstPath = "include/$(PRODUCT_NAME)";
+			dstSubfolderSpec = 16;
+			files = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXCopyFilesBuildPhase section */
+
+/* Begin PBXFileReference section */
+		134814201AA4EA6300B7C361 /* libStatusKeycard.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; includeInIndex = 0; path = libStatusKeycard.a; sourceTree = BUILT_PRODUCTS_DIR; };
+		B3E7B5881CC2AC0600A0062D /* StatusKeycard.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = StatusKeycard.h; sourceTree = "<group>"; };
+		B3E7B5891CC2AC0600A0062D /* StatusKeycard.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = StatusKeycard.m; sourceTree = "<group>"; };
+/* End PBXFileReference section */
+
+/* Begin PBXFrameworksBuildPhase section */
+		58B511D81A9E6C8500147676 /* Frameworks */ = {
+			isa = PBXFrameworksBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXFrameworksBuildPhase section */
+
+/* Begin PBXGroup section */
+		134814211AA4EA7D00B7C361 /* Products */ = {
+			isa = PBXGroup;
+			children = (
+				134814201AA4EA6300B7C361 /* libStatusKeycard.a */,
+			);
+			name = Products;
+			sourceTree = "<group>";
+		};
+		58B511D21A9E6C8500147676 = {
+			isa = PBXGroup;
+			children = (
+				B3E7B5881CC2AC0600A0062D /* StatusKeycard.h */,
+				B3E7B5891CC2AC0600A0062D /* StatusKeycard.m */,
+				134814211AA4EA7D00B7C361 /* Products */,
+			);
+			sourceTree = "<group>";
+		};
+/* End PBXGroup section */
+
+/* Begin PBXNativeTarget section */
+		58B511DA1A9E6C8500147676 /* StatusKeycard */ = {
+			isa = PBXNativeTarget;
+			buildConfigurationList = 58B511EF1A9E6C8500147676 /* Build configuration list for PBXNativeTarget "StatusKeycard" */;
+			buildPhases = (
+				58B511D71A9E6C8500147676 /* Sources */,
+				58B511D81A9E6C8500147676 /* Frameworks */,
+				58B511D91A9E6C8500147676 /* CopyFiles */,
+			);
+			buildRules = (
+			);
+			dependencies = (
+			);
+			name = StatusKeycard;
+			productName = RCTDataManager;
+			productReference = 134814201AA4EA6300B7C361 /* libStatusKeycard.a */;
+			productType = "com.apple.product-type.library.static";
+		};
+/* End PBXNativeTarget section */
+
+/* Begin PBXProject section */
+		58B511D31A9E6C8500147676 /* Project object */ = {
+			isa = PBXProject;
+			attributes = {
+				LastUpgradeCheck = 0920;
+				ORGANIZATIONNAME = Facebook;
+				TargetAttributes = {
+					58B511DA1A9E6C8500147676 = {
+						CreatedOnToolsVersion = 6.1.1;
+					};
+				};
+			};
+			buildConfigurationList = 58B511D61A9E6C8500147676 /* Build configuration list for PBXProject "StatusKeycard" */;
+			compatibilityVersion = "Xcode 3.2";
+			developmentRegion = English;
+			hasScannedForEncodings = 0;
+			knownRegions = (
+				en,
+			);
+			mainGroup = 58B511D21A9E6C8500147676;
+			productRefGroup = 58B511D21A9E6C8500147676;
+			projectDirPath = "";
+			projectRoot = "";
+			targets = (
+				58B511DA1A9E6C8500147676 /* StatusKeycard */,
+			);
+		};
+/* End PBXProject section */
+
+/* Begin PBXSourcesBuildPhase section */
+		58B511D71A9E6C8500147676 /* Sources */ = {
+			isa = PBXSourcesBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				B3E7B58A1CC2AC0600A0062D /* StatusKeycard.m in Sources */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXSourcesBuildPhase section */
+
+/* Begin XCBuildConfiguration section */
+		58B511ED1A9E6C8500147676 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
+				CLANG_CXX_LIBRARY = "libc++";
+				CLANG_ENABLE_MODULES = YES;
+				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
+				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
+				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
+				CLANG_WARN_EMPTY_BODY = YES;
+				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INFINITE_RECURSION = YES;
+				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
+				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
+				CLANG_WARN_SUSPICIOUS_MOVE = YES;
+				CLANG_WARN_UNREACHABLE_CODE = YES;
+				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
+				COPY_PHASE_STRIP = NO;
+				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				ENABLE_TESTABILITY = YES;
+				GCC_C_LANGUAGE_STANDARD = gnu99;
+				GCC_DYNAMIC_NO_PIC = NO;
+				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_OPTIMIZATION_LEVEL = 0;
+				GCC_PREPROCESSOR_DEFINITIONS = (
+					"DEBUG=1",
+					"$(inherited)",
+				);
+				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				MTL_ENABLE_DEBUG_INFO = YES;
+				ONLY_ACTIVE_ARCH = YES;
+				SDKROOT = iphoneos;
+			};
+			name = Debug;
+		};
+		58B511EE1A9E6C8500147676 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
+				CLANG_CXX_LIBRARY = "libc++";
+				CLANG_ENABLE_MODULES = YES;
+				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
+				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
+				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
+				CLANG_WARN_EMPTY_BODY = YES;
+				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INFINITE_RECURSION = YES;
+				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
+				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
+				CLANG_WARN_SUSPICIOUS_MOVE = YES;
+				CLANG_WARN_UNREACHABLE_CODE = YES;
+				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
+				COPY_PHASE_STRIP = YES;
+				ENABLE_NS_ASSERTIONS = NO;
+				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				GCC_C_LANGUAGE_STANDARD = gnu99;
+				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				MTL_ENABLE_DEBUG_INFO = NO;
+				SDKROOT = iphoneos;
+				VALIDATE_PRODUCT = YES;
+			};
+			name = Release;
+		};
+		58B511F01A9E6C8500147676 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				HEADER_SEARCH_PATHS = (
+				"$(inherited)",
+					/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include,
+					"$(SRCROOT)/../../../React/**",
+					"$(SRCROOT)/../../react-native/React/**",
+				);
+				LIBRARY_SEARCH_PATHS = "$(inherited)";
+				OTHER_LDFLAGS = "-ObjC";
+				PRODUCT_NAME = StatusKeycard;
+				SKIP_INSTALL = YES;
+			};
+			name = Debug;
+		};
+		58B511F11A9E6C8500147676 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				HEADER_SEARCH_PATHS = (
+					"$(inherited)",
+					/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include,
+					"$(SRCROOT)/../../../React/**",
+					"$(SRCROOT)/../../react-native/React/**",
+				);
+				LIBRARY_SEARCH_PATHS = "$(inherited)";
+				OTHER_LDFLAGS = "-ObjC";
+				PRODUCT_NAME = StatusKeycard;
+				SKIP_INSTALL = YES;
+			};
+			name = Release;
+		};
+/* End XCBuildConfiguration section */
+
+/* Begin XCConfigurationList section */
+		58B511D61A9E6C8500147676 /* Build configuration list for PBXProject "StatusKeycard" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				58B511ED1A9E6C8500147676 /* Debug */,
+				58B511EE1A9E6C8500147676 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		58B511EF1A9E6C8500147676 /* Build configuration list for PBXNativeTarget "StatusKeycard" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				58B511F01A9E6C8500147676 /* Debug */,
+				58B511F11A9E6C8500147676 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+/* End XCConfigurationList section */
+	};
+	rootObject = 58B511D31A9E6C8500147676 /* Project object */;
+}

ios/StatusKeycard.xcworkspace/contents.xcworkspacedata

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "group:StatusKeycard.xcodeproj">
+   </FileRef>
+</Workspace>

package.json

@@ -1,7 +1,7 @@
 {
   "name": "react-native-status-keycard",
   "homepage": "https://keycard.status.im/",
-  "version": "2.5.16",
+  "version": "2.5.17",
   "description": "React Native library to interact with Status Keycard using NFC connection (Android only)",
   "main": "index.js",
   "scripts": {

react-native-status-keycard.podspec

@@ -0,0 +1,19 @@
+require "json"
+
+pkg = JSON.parse(File.read("package.json"))
+
+Pod::Spec.new do |s|
+  s.name         = pkg["name"]
+  s.name         = "react-native-status-keycard"
+  s.version      = pkg["version"]
+  s.summary      = pkg["description"]
+  s.requires_arc = true
+  s.license      = pkg["license"]
+  s.homepage     = pkg["homepage"]
+  s.author       = pkg["author"]
+  s.source       = { :git => pkg["repository"]["url"],
+                     :tag => "v" + pkg["version"] }
+  s.source_files = 'ios/**/*.{h,m}'
+  s.platform     = :ios, "8.0"
+  s.dependency 'React/Core'
+end