fix key value not upated

Author: pradeep1991singh

example/ios/example.xcodeproj/project.pbxproj

@@ -591,6 +591,10 @@
 						CreatedOnToolsVersion = 6.2;
 						TestTargetID = 13B07F861A680F5B00A75B9A;
 					};
+					13B07F861A680F5B00A75B9A = {
+						DevelopmentTeam = YMTR567S22;
+						ProvisioningStyle = Automatic;
+					};
 					2D02E47A1E0B4A5D006451C7 = {
 						CreatedOnToolsVersion = 8.2.1;
 						ProvisioningStyle = Automatic;
@@ -1043,8 +1047,10 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
 				CURRENT_PROJECT_VERSION = 1;
 				DEAD_CODE_STRIPPING = NO;
+				DEVELOPMENT_TEAM = YMTR567S22;
 				HEADER_SEARCH_PATHS = (
 					"$(inherited)",
 					"$(SRCROOT)/../node_modules/react-native-secure-key-store/ios/**",
@@ -1056,7 +1062,9 @@
 					"-ObjC",
 					"-lc++",
 				);
+				PRODUCT_BUNDLE_IDENTIFIER = com.reactlibrarys.securekeystore;
 				PRODUCT_NAME = example;
+				PROVISIONING_PROFILE_SPECIFIER = "";
 				VERSIONING_SYSTEM = "apple-generic";
 			};
 			name = Debug;
@@ -1065,7 +1073,9 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
 				CURRENT_PROJECT_VERSION = 1;
+				DEVELOPMENT_TEAM = YMTR567S22;
 				HEADER_SEARCH_PATHS = (
 					"$(inherited)",
 					"$(SRCROOT)/../node_modules/react-native-secure-key-store/ios/**",
@@ -1077,7 +1087,9 @@
 					"-ObjC",
 					"-lc++",
 				);
+				PRODUCT_BUNDLE_IDENTIFIER = com.reactlibrarys.securekeystore;
 				PRODUCT_NAME = example;
+				PROVISIONING_PROFILE_SPECIFIER = "";
 				VERSIONING_SYSTEM = "apple-generic";
 			};
 			name = Release;

example/ios/example/Info.plist

@@ -9,7 +9,7 @@
 	<key>CFBundleExecutable</key>
 	<string>$(EXECUTABLE_NAME)</string>
 	<key>CFBundleIdentifier</key>
-	<string>org.reactjs.native.example.$(PRODUCT_NAME:rfc1034identifier)</string>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
 	<key>CFBundleInfoDictionaryVersion</key>
 	<string>6.0</string>
 	<key>CFBundleName</key>
@@ -24,6 +24,19 @@
 	<string>1</string>
 	<key>LSRequiresIPhoneOS</key>
 	<true/>
+	<key>NSAppTransportSecurity</key>
+	<dict>
+		<key>NSExceptionDomains</key>
+		<dict>
+			<key>localhost</key>
+			<dict>
+				<key>NSExceptionAllowsInsecureHTTPLoads</key>
+				<true/>
+			</dict>
+		</dict>
+	</dict>
+	<key>NSLocationWhenInUseUsageDescription</key>
+	<string></string>
 	<key>UILaunchStoryboardName</key>
 	<string>LaunchScreen</string>
 	<key>UIRequiredDeviceCapabilities</key>
@@ -38,19 +51,5 @@
 	</array>
 	<key>UIViewControllerBasedStatusBarAppearance</key>
 	<false/>
-	<key>NSLocationWhenInUseUsageDescription</key>
-	<string></string>
-	<key>NSAppTransportSecurity</key>
-	<!--See http://ste.vn/2015/06/10/configuring-app-transport-security-ios-9-osx-10-11/ -->
-	<dict>
-		<key>NSExceptionDomains</key>
-		<dict>
-			<key>localhost</key>
-			<dict>
-				<key>NSExceptionAllowsInsecureHTTPLoads</key>
-				<true/>
-			</dict>
-		</dict>
-	</dict>
 </dict>
 </plist>

ios/RNSecureKeyStore.m

@@ -66,6 +66,22 @@ - (BOOL)createKeychainValue:(NSString *)value forIdentifier:(NSString *)identifi
     return NO;
 }
 
+- (BOOL)updateKeychainValue:(NSString *)password forIdentifier:(NSString *)identifier {
+
+    NSMutableDictionary *searchDictionary = [self newSearchDictionary:identifier];
+    NSMutableDictionary *updateDictionary = [[NSMutableDictionary alloc] init];
+    NSData *passwordData = [password dataUsingEncoding:NSUTF8StringEncoding];
+    [updateDictionary setObject:passwordData forKey:(id)kSecValueData];
+
+    OSStatus status = SecItemUpdate((CFDictionaryRef)searchDictionary,
+                                    (CFDictionaryRef)updateDictionary);
+
+    if (status == errSecSuccess) {
+        return YES;
+    }
+    return NO;
+}
+
 - (void)deleteKeychainValue:(NSString *)identifier {
     NSMutableDictionary *searchDictionary = [self newSearchDictionary:identifier];
     SecItemDelete((CFDictionaryRef)searchDictionary);
@@ -86,7 +102,12 @@ - (void)deleteKeychainValue:(NSString *)identifier {
         if (status) {
             resolve(@"key stored successfully");
         } else {
-            reject(@"no_events", @"Not able to save key", secureKeyStoreError(@"Not able to save key"));
+            BOOL status = [self updateKeychainValue: value forIdentifier: key];
+            if (status) {
+                resolve(@"key updated successfully");
+            } else {
+                reject(@"no_events", @"Not able to save key", secureKeyStoreError(@"Not able to save key"));
+            }
         }
     }
     @catch (NSException *exception) {