| /* |
| * Copyright (C) 2018 The Android Open Source Project |
| * |
| * 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 com.android.ike.ikev2.message; |
| |
| import static org.junit.Assert.assertArrayEquals; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| import com.android.ike.TestUtils; |
| import com.android.ike.ikev2.SaProposal; |
| import com.android.ike.ikev2.crypto.IkeMacPrf; |
| import com.android.ike.ikev2.exceptions.AuthenticationFailedException; |
| import com.android.ike.ikev2.message.IkeSaPayload.PrfTransform; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| public final class IkeAuthPayloadTest { |
| private static final String PSK_AUTH_PAYLOAD_HEX_STRING = |
| "02000000df7c038aefaaa32d3f44b228b52a332744dfb2c1"; |
| private static final String PSK_AUTH_PAYLOAD_SIGNATURE_HEX_STRING = |
| "df7c038aefaaa32d3f44b228b52a332744dfb2c1"; |
| private static final String PSK_ID_PAYLOAD_HEX_STRING = "010000000a50500d"; |
| private static final String PSK_SKP_HEX_STRING = "094787780EE466E2CB049FA327B43908BC57E485"; |
| private static final String PSK_SIGNED_OCTETS_APPENDIX_HEX_STRING = |
| "D83B20CC6A0932B2A7CEF26E4020ABAAB64F0C6A"; |
| private static final String PSK_IKE_INIT_REQUEST_HEX_STRING = |
| "5f54bf6d8b48e6e1000000000000000021202208" |
| + "0000000000000150220000300000002c01010004" |
| + "0300000c0100000c800e00800300000803000002" |
| + "0300000804000002000000080200000228000088" |
| + "00020000b4a2faf4bb54878ae21d638512ece55d" |
| + "9236fc5046ab6cef82220f421f3ce6361faf3656" |
| + "4ecb6d28798a94aad7b2b4b603ddeaaa5630adb9" |
| + "ece8ac37534036040610ebdd92f46bef84f0be7d" |
| + "b860351843858f8acf87056e272377f70c9f2d81" |
| + "e29c7b0ce4f291a3a72476bb0b278fd4b7b0a4c2" |
| + "6bbeb08214c707137607958729000024c39b7f36" |
| + "8f4681b89fa9b7be6465abd7c5f68b6ed5d3b4c7" |
| + "2cb4240eb5c464122900001c00004004e54f73b7" |
| + "d83f6beb881eab2051d8663f421d10b02b00001c" |
| + "00004005d915368ca036004cb578ae3e3fb26850" |
| + "9aeab19000000020699369228741c6d4ca094c93" |
| + "e242c9de19e7b7c60000000500000500"; |
| private static final String PSK_NONCE_RESP_HEX_STRING = |
| "9756112ca539f5c25abacc7ee92b73091942a9c06950f98848f1af1694c4ddff"; |
| private static final String PSK_INIT_SIGNED_OCTETS = |
| "5F54BF6D8B48E6E1000000000000000021202208" |
| + "0000000000000150220000300000002C01010004" |
| + "0300000C0100000C800E00800300000803000002" |
| + "0300000804000002000000080200000228000088" |
| + "00020000B4A2FAF4BB54878AE21D638512ECE55D" |
| + "9236FC5046AB6CEF82220F421F3CE6361FAF3656" |
| + "4ECB6D28798A94AAD7B2B4B603DDEAAA5630ADB9" |
| + "ECE8AC37534036040610EBDD92F46BEF84F0BE7D" |
| + "B860351843858F8ACF87056E272377F70C9F2D81" |
| + "E29C7B0CE4F291A3A72476BB0B278FD4B7B0A4C2" |
| + "6BBEB08214C707137607958729000024C39B7F36" |
| + "8F4681B89FA9B7BE6465ABD7C5F68B6ED5D3B4C7" |
| + "2CB4240EB5C464122900001C00004004E54F73B7" |
| + "D83F6BEB881EAB2051D8663F421D10B02B00001C" |
| + "00004005D915368CA036004CB578AE3E3FB26850" |
| + "9AEAB19000000020699369228741C6D4CA094C93" |
| + "E242C9DE19E7B7C600000005000005009756112C" |
| + "A539F5C25ABACC7EE92B73091942A9C06950F988" |
| + "48F1AF1694C4DDFFD83B20CC6A0932B2A7CEF26E" |
| + "4020ABAAB64F0C6A"; |
| |
| private static final int AUTH_METHOD_POSITION = 0; |
| |
| private IkeMacPrf mIkeHmacSha1Prf; |
| |
| @Before |
| public void setUp() throws Exception { |
| mIkeHmacSha1Prf = |
| IkeMacPrf.create( |
| new PrfTransform(SaProposal.PSEUDORANDOM_FUNCTION_HMAC_SHA1), |
| IkeMessage.getSecurityProvider()); |
| } |
| |
| @Test |
| public void testDecodeIkeAuthPayload() throws Exception { |
| byte[] inputPacket = TestUtils.hexStringToByteArray(PSK_AUTH_PAYLOAD_HEX_STRING); |
| IkeAuthPayload payload = IkeAuthPayload.getIkeAuthPayload(false, inputPacket); |
| |
| assertEquals(IkeAuthPayload.AUTH_METHOD_PRE_SHARED_KEY, payload.authMethod); |
| assertTrue(payload instanceof IkeAuthPskPayload); |
| |
| byte[] expectedSignature = |
| TestUtils.hexStringToByteArray(PSK_AUTH_PAYLOAD_SIGNATURE_HEX_STRING); |
| assertArrayEquals(expectedSignature, ((IkeAuthPskPayload) payload).signature); |
| } |
| |
| @Test |
| public void testDecodeIkeAuthPayloadWithUnsupportedMethod() throws Exception { |
| byte[] inputPacket = TestUtils.hexStringToByteArray(PSK_AUTH_PAYLOAD_HEX_STRING); |
| inputPacket[AUTH_METHOD_POSITION] = 0; |
| try { |
| IkeAuthPayload payload = IkeAuthPayload.getIkeAuthPayload(false, inputPacket); |
| fail("Expected Exception: authentication method is not supported"); |
| } catch (AuthenticationFailedException e) { |
| } |
| } |
| |
| @Test |
| public void testGetSignedOctets() throws Exception { |
| byte[] skpBytes = TestUtils.hexStringToByteArray(PSK_SKP_HEX_STRING); |
| byte[] idBytes = TestUtils.hexStringToByteArray(PSK_ID_PAYLOAD_HEX_STRING); |
| byte[] ikeInitRequest = TestUtils.hexStringToByteArray(PSK_IKE_INIT_REQUEST_HEX_STRING); |
| byte[] nonceResp = TestUtils.hexStringToByteArray(PSK_NONCE_RESP_HEX_STRING); |
| |
| byte[] calculatedBytes = |
| IkeAuthPayload.getSignedOctets( |
| ikeInitRequest, nonceResp, idBytes, mIkeHmacSha1Prf, skpBytes); |
| byte[] expectedBytes = TestUtils.hexStringToByteArray(PSK_INIT_SIGNED_OCTETS); |
| } |
| } |