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Merge pull request #55 from VirgilSecurity/dev
Resolve multi card issues
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174 changes: 174 additions & 0 deletions
174
ethree-common/src/androidTest/java/com/virgilsecurity/android/common/snippet/SnippetsTest.kt
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| /* | ||
| * Copyright (c) 2015-2020, Virgil Security, Inc. | ||
| * | ||
| * Lead Maintainer: Virgil Security Inc. <support@virgilsecurity.com> | ||
| * | ||
| * All rights reserved. | ||
| * | ||
| * Redistribution and use in source and binary forms, with or without | ||
| * modification, are permitted provided that the following conditions are met: | ||
| * | ||
| * (1) Redistributions of source code must retain the above copyright notice, this | ||
| * list of conditions and the following disclaimer. | ||
| * | ||
| * (2) Redistributions in binary form must reproduce the above copyright notice, | ||
| * this list of conditions and the following disclaimer in the documentation | ||
| * and/or other materials provided with the distribution. | ||
| * | ||
| * (3) Neither the name of virgil nor the names of its | ||
| * contributors may be used to endorse or promote products derived from | ||
| * this software without specific prior written permission. | ||
| * | ||
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | ||
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | ||
| * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE | ||
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | ||
| * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | ||
| * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | ||
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| */ | ||
|
|
||
| package com.virgilsecurity.android.common.snippet | ||
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|
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| import androidx.test.ext.junit.runners.AndroidJUnit4 | ||
| import com.virgilsecurity.android.common.callback.OnGetTokenCallback | ||
| import com.virgilsecurity.android.common.utils.TestConfig | ||
| import com.virgilsecurity.android.common.utils.TestUtils | ||
| import com.virgilsecurity.android.ethree.interaction.EThree | ||
| import com.virgilsecurity.common.model.Data | ||
| import com.virgilsecurity.sdk.crypto.VirgilCrypto | ||
| import org.junit.Assert.assertArrayEquals | ||
| import org.junit.Assert.assertNotNull | ||
| import org.junit.Before | ||
| import org.junit.Test | ||
| import org.junit.runner.RunWith | ||
| import java.io.ByteArrayInputStream | ||
| import java.io.ByteArrayOutputStream | ||
| import java.util.* | ||
|
|
||
| /** | ||
| * This test covers snippets that used in documentation. | ||
| */ | ||
| @RunWith(AndroidJUnit4::class) | ||
| class SnippetsTest { | ||
|
|
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| private lateinit var aliceIdentity: String | ||
| private lateinit var bobIdentity: String | ||
| private lateinit var crypto: VirgilCrypto | ||
| private lateinit var aliceEthree: EThree | ||
| private lateinit var bobEthree: EThree | ||
|
|
||
| @Before | ||
| fun setup() { | ||
| this.crypto = VirgilCrypto() | ||
| this.aliceIdentity = UUID.randomUUID().toString() | ||
| this.aliceEthree = EThree(aliceIdentity, | ||
| object : OnGetTokenCallback { | ||
| override fun onGetToken(): String { | ||
| return TestUtils.generateTokenString(aliceIdentity) | ||
| } | ||
| }, | ||
| TestConfig.context) | ||
| assertNotNull(this.aliceEthree) | ||
| this.aliceEthree.register().execute() | ||
|
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| this.bobIdentity = UUID.randomUUID().toString() | ||
| this.bobEthree = EThree(bobIdentity, | ||
| object : OnGetTokenCallback { | ||
| override fun onGetToken(): String { | ||
| return TestUtils.generateTokenString(bobIdentity) | ||
| } | ||
| }, | ||
| TestConfig.context) | ||
| assertNotNull(this.bobEthree) | ||
| this.bobEthree.register().execute() | ||
| } | ||
|
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| @Test | ||
| fun encryptShared_complex() { | ||
| val triple = encryptShared() | ||
| val p2pEncryptedStreamKeyData = triple.first | ||
| val groupEncryptedStreamKeyData = triple.second | ||
| val encryptedData = triple.third | ||
|
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| val decryptedData = decryptShared(p2pEncryptedStreamKeyData, groupEncryptedStreamKeyData, encryptedData) | ||
|
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| assertArrayEquals("Hello".toByteArray(), decryptedData) | ||
| } | ||
|
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| private fun encryptShared(): Triple<ByteArray, ByteArray, ByteArray> { | ||
| // encryptShared >> | ||
|
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| // 1. Prepare streams. | ||
| val plaintext = "Hello" | ||
| val data = plaintext.toByteArray() | ||
| val inputStream = ByteArrayInputStream(data) | ||
| val inputStreamSize = data.size | ||
| val encryptedOutputStream = ByteArrayOutputStream() | ||
|
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| // 2. Encrypt stream. | ||
| val streamKeyData = aliceEthree.encryptShared(inputStream, inputStreamSize, encryptedOutputStream) | ||
|
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| // 3. Upload data from `encryptedOutputStream` to a remote storage. | ||
|
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| /** | ||
| * Application specific code. | ||
| */ | ||
|
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| // 4.1 Encrypt `streamKeyData` to a specific user (peer-to-peer). | ||
| val bobCard = aliceEthree.findUser(bobIdentity).get() | ||
| val p2pEncryptedStreamKeyData = aliceEthree.authEncrypt(Data(streamKeyData), bobCard) | ||
|
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| // 4.2 Encrypt `streamKeyData` to a group. | ||
| val groupId = "group-chat-1" | ||
| val bobUsersResult = aliceEthree.findUsers(arrayListOf(bobIdentity)).get() | ||
| val aliceGroup = aliceEthree.createGroup(groupId, bobUsersResult).get() | ||
| val groupEncryptedStreamKeyData = aliceGroup.encrypt(streamKeyData) | ||
|
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| // 5. Send encrypted `streamKeyData` (p2pEncryptedStreamKeyData, or groupEncryptedStreamKeyData) to destination device. | ||
|
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| /** | ||
| * Application specific code. | ||
| */ | ||
|
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| // << encryptShared | ||
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| return Triple(p2pEncryptedStreamKeyData.value, groupEncryptedStreamKeyData, encryptedOutputStream.toByteArray()) | ||
| } | ||
|
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| private fun decryptShared(p2pEncryptedStreamKeyData: ByteArray, groupEncryptedStreamKeyData: ByteArray, encryptedData: ByteArray): ByteArray? { | ||
| // decryptShared >> | ||
|
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| // 1. Receive `encryptedStreamKeyData` and download data from the remote storage. | ||
| /** | ||
| * Application specific code. | ||
| */ | ||
|
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| // 2. Prepare streams. | ||
| val encryptedInputStream = ByteArrayInputStream(encryptedData) | ||
| val decryptedOutputStream = ByteArrayOutputStream() | ||
|
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| // 3. Find initiator's Card. | ||
| val aliceCard = bobEthree.findUser(aliceIdentity).get() | ||
|
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| // 4.1 Decrypt `encryptedStreamKeyData` received peer-to-peer. | ||
| val p2pDecryptedStreamKeyData = bobEthree.authDecrypt(Data(p2pEncryptedStreamKeyData), aliceCard).value | ||
|
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| // 4.2 Decrypt `encryptedStreamKeyData` received to the group. | ||
| val groupId = "group-chat-1" | ||
| val bobGroup = bobEthree.loadGroup(groupId, aliceCard).get() // load correspond group | ||
| val groupDecryptedStreamKeyData = bobGroup.decrypt(groupEncryptedStreamKeyData, aliceCard) // decrypt key | ||
|
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| // 5. Decrypt stream. | ||
| val decryptedStreamKeyData = p2pDecryptedStreamKeyData ?: groupDecryptedStreamKeyData | ||
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| bobEthree.decryptShared(encryptedInputStream, decryptedOutputStream, decryptedStreamKeyData, aliceCard) | ||
|
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| // << decryptShared | ||
|
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| return decryptedOutputStream.toByteArray() | ||
| } | ||
| } |
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