diff --git a/e2e/native.spec.js b/e2e/native.spec.js
new file mode 100644
index 0000000000..b52fb0161c
--- /dev/null
+++ b/e2e/native.spec.js
@@ -0,0 +1,16 @@
+import testIDs from "./testIDs";
+
+describe('First test', () => {
+	beforeEach(async () => {
+		// await device.clearKeychain();
+	});
+
+	it('should pass all the eccrypto function', async () => {
+		await expect(element(by.id(testIDs.TacScreen.tacView))).toBeVisible();
+		await element(by.id(testIDs.TacScreen.nativeModuleTestButton)).tap();
+		await expect(element(by.id(testIDs.NativeTestScreen.nativeTestView))).toBeVisible();
+		await expect(element(by.id(testIDs.NativeTestScreen.succeedView))).toNotExist();
+		await element(by.id(testIDs.NativeTestScreen.startButton)).tap();
+		await expect(element(by.id(testIDs.NativeTestScreen.succeedView))).toExist();
+	})
+});
diff --git a/e2e/screens/NativeModuleTest.js b/e2e/screens/NativeModuleTest.js
new file mode 100644
index 0000000000..a82d955c04
--- /dev/null
+++ b/e2e/screens/NativeModuleTest.js
@@ -0,0 +1,51 @@
+// Copyright 2015-2019 Parity Technologies (UK) Ltd.
+// This file is part of Parity.
+
+// Parity is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Parity is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
+
+import React, {useState} from 'react';
+import {View} from 'react-native';
+import {encryptWithSecureKeystore, decryptWithSecureKeystore} from "../../src/util/native";
+import testIDs from "../testIDs";
+import Button from "../../src/components/Button";
+
+const testSeed = '0xf49cd2aa6bda43467abc6aa0a4f37c5b1378146855f80f491e5dd6d053fa4279';
+const testPublicAddress = '0x5Cc5dc62be3c95C771C142C2e30358B398265de21111';
+
+export default function NativeModuleTest() {
+
+	const [testSucceed, setTestResult] = useState(false);
+
+	const generateTestResult = (expectedResult, actualResult) => expectedResult === actualResult ? setTestResult(true) : setTestResult(false);
+
+	const testECCryptoModule = async () => {
+		const encryptedSeed = await encryptWithSecureKeystore(testSeed, testPublicAddress);
+		const decryptedText = await decryptWithSecureKeystore(encryptedSeed, testPublicAddress);
+		generateTestResult(testSeed, decryptedText)
+	};
+
+	const startTest = async () => {
+		try {
+			await testECCryptoModule();
+		} catch (e) {
+			console.log('error is', e);
+			setTestResult(false)
+		}
+	};
+
+	return <View testID={testIDs.NativeTestScreen.nativeTestView}>
+		<Button title="Start Test" onPress={startTest} testID={testIDs.NativeTestScreen.startButton}/>
+		{testSucceed && <View testID={testIDs.NativeTestScreen.succeedView}/>}
+	</View>
+}
diff --git a/e2e/testIDs.js b/e2e/testIDs.js
index 0ea7d48b44..da9d10de23 100644
--- a/e2e/testIDs.js
+++ b/e2e/testIDs.js
@@ -3,11 +3,17 @@ const testIDs = {
 		tacView: 'tac_view',
 		agreeTacButton: 'tac_agree',
 		agreePrivacyButton: 'tac_privacy',
+		nativeModuleTestButton: 'tac_native_test',
 		nextButton: 'tac_next'
 	},
 	AccountListScreen: {
-		accountList: 'accountList',
-	}
+		accountList: 'accountList'
+	},
+	NativeTestScreen: {
+		nativeTestView: 'native_test_view',
+		startButton: 'native_test_start',
+		succeedView: 'native_test_success'
+	},
 };
 
 export default testIDs;
diff --git a/src/App.js b/src/App.js
index 0505e9e1d3..f74f081073 100644
--- a/src/App.js
+++ b/src/App.js
@@ -50,6 +50,7 @@ import AccountRecover from './screens/AccountRecover';
 import { AccountUnlock, AccountUnlockAndSign } from './screens/AccountUnlock';
 import Loading from './screens/Loading';
 import MessageDetails from './screens/MessageDetails';
+import NativeModuleTest from '../e2e/screens/NativeModuleTest';
 import PrivacyPolicy from './screens/PrivacyPolicy';
 import QrScanner from './screens/QrScanner';
 import Security from './screens/Security';
@@ -207,6 +208,9 @@ const Screens = createStackNavigator(
 					MessageDetails: {
 						screen: MessageDetails
 					},
+					NativeModuleTest: {
+						screen: NativeModuleTest
+					},
 					QrScanner: {
 						screen: QrScanner
 					},
diff --git a/src/screens/TermsAndConditions.js b/src/screens/TermsAndConditions.js
index a438291998..e7c14b10fc 100644
--- a/src/screens/TermsAndConditions.js
+++ b/src/screens/TermsAndConditions.js
@@ -17,7 +17,13 @@
 'use strict';
 
 import React from 'react';
-import { ScrollView, StyleSheet, Text, View } from 'react-native';
+import {
+	ScrollView,
+	StyleSheet,
+	Text,
+	View,
+	TouchableOpacity
+} from 'react-native';
 import Icon from 'react-native-vector-icons/MaterialCommunityIcons';
 import toc from '../../docs/terms-and-conditions.md';
 import colors from '../colors';
@@ -108,6 +114,14 @@ export default class TermsAndConditions extends React.PureComponent {
 						navigation.dispatch(firstScreenActions);
 					}}
 				/>
+				{__DEV__ && (
+					<TouchableOpacity
+						onPress={() => navigation.navigate('NativeModuleTest')}
+						testID={testIDs.TacScreen.nativeModuleTestButton}
+					>
+						<View style={{ height: 1, width: 1 }} />
+					</TouchableOpacity>
+				)}
 			</View>
 		);
 	}