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path: root/android/olm-sdk/src/androidTest/java/org/matrix/olm/OlmPkTest.java
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/*
 * Copyright 2018 New Vector Ltd
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.matrix.olm;

import android.support.test.runner.AndroidJUnit4;
import android.util.Log;

import java.util.Arrays;

import org.junit.BeforeClass;
import org.junit.FixMethodOrder;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.MethodSorters;

import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;

@RunWith(AndroidJUnit4.class)
@FixMethodOrder(MethodSorters.NAME_ASCENDING)
public class OlmPkTest {
    private static final String LOG_TAG = "OlmPkEncryptionTest";

    private static OlmPkEncryption mOlmPkEncryption;
    private static OlmPkDecryption mOlmPkDecryption;

    @Test
    public void test01EncryptAndDecrypt() {
        try {
            mOlmPkEncryption = new OlmPkEncryption();
        } catch (OlmException e) {
            e.printStackTrace();
            assertTrue("OlmPkEncryption failed " + e.getMessage(), false);
        }
        try {
            mOlmPkDecryption = new OlmPkDecryption();
        } catch (OlmException e) {
            e.printStackTrace();
            assertTrue("OlmPkEncryption failed " + e.getMessage(), false);
        }

        assertNotNull(mOlmPkEncryption);
        assertNotNull(mOlmPkDecryption);

        String key = null;
        try {
            key = mOlmPkDecryption.generateKey();
        } catch (OlmException e) {
            assertTrue("Exception in generateKey, Exception code=" + e.getExceptionCode(), false);
        }
        Log.d(LOG_TAG, "Ephemeral Key: " + key);
        try {
            mOlmPkEncryption.setRecipientKey(key);
        } catch (OlmException e) {
            assertTrue("Exception in setRecipientKey, Exception code=" + e.getExceptionCode(), false);
        }

        String clearMessage = "Public key test";
        OlmPkMessage message = null;
        try {
            message = mOlmPkEncryption.encrypt(clearMessage);
        } catch (OlmException e) {
            assertTrue("Exception in encrypt, Exception code=" + e.getExceptionCode(), false);
        }
        Log.d(LOG_TAG, "message: " + message.mCipherText + " " + message.mMac + " " + message.mEphemeralKey);

        String decryptedMessage = null;
        try {
            decryptedMessage = mOlmPkDecryption.decrypt(message);
        } catch (OlmException e) {
            assertTrue("Exception in decrypt, Exception code=" + e.getExceptionCode(), false);
        }
        assertTrue(clearMessage.equals(decryptedMessage));

        mOlmPkEncryption.releaseEncryption();
        mOlmPkDecryption.releaseDecryption();
        assertTrue(mOlmPkEncryption.isReleased());
        assertTrue(mOlmPkDecryption.isReleased());
    }

    @Test
    public void test02PrivateKey() {
        try {
            mOlmPkDecryption = new OlmPkDecryption();
        } catch (OlmException e) {
            e.printStackTrace();
            assertTrue("OlmPkEncryption failed " + e.getMessage(), false);
        }

        assertNotNull(mOlmPkDecryption);

        byte[] privateKey = {
            (byte)0x77, (byte)0x07, (byte)0x6D, (byte)0x0A,
            (byte)0x73, (byte)0x18, (byte)0xA5, (byte)0x7D,
            (byte)0x3C, (byte)0x16, (byte)0xC1, (byte)0x72,
            (byte)0x51, (byte)0xB2, (byte)0x66, (byte)0x45,
            (byte)0xDF, (byte)0x4C, (byte)0x2F, (byte)0x87,
            (byte)0xEB, (byte)0xC0, (byte)0x99, (byte)0x2A,
            (byte)0xB1, (byte)0x77, (byte)0xFB, (byte)0xA5,
            (byte)0x1D, (byte)0xB9, (byte)0x2C, (byte)0x2A
        };

        try {
            mOlmPkDecryption.setPrivateKey(privateKey);
        } catch (OlmException e) {
            assertTrue("Exception in setPrivateKey, Exception code=" + e.getExceptionCode(), false);
        }

        byte[] privateKeyCopy = null;

        try {
            privateKeyCopy = mOlmPkDecryption.privateKey();
        } catch (OlmException e) {
            assertTrue("Exception in privateKey, Exception code=" + e.getExceptionCode(), false);
        }

        assertTrue(Arrays.equals(privateKey, privateKeyCopy));

        mOlmPkDecryption.releaseDecryption();
        assertTrue(mOlmPkDecryption.isReleased());
    }
}