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/*
* Copyright (C) 2019 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.eap.message.simaka;
import static com.android.ike.TestUtils.hexStringToByteArray;
import static com.android.ike.eap.message.simaka.EapAkaTypeData.EAP_AKA_CHALLENGE;
import static com.android.ike.eap.message.simaka.EapSimAkaAttribute.EAP_AT_AUTN;
import static com.android.ike.eap.message.simaka.EapSimAkaAttribute.EAP_AT_KDF;
import static com.android.ike.eap.message.simaka.EapSimAkaAttribute.EAP_AT_KDF_INPUT;
import static com.android.ike.eap.message.simaka.EapSimAkaAttribute.EAP_AT_MAC;
import static com.android.ike.eap.message.simaka.EapSimAkaAttribute.EAP_AT_RAND;
import static com.android.ike.eap.message.simaka.attributes.EapTestAttributeDefinitions.AT_KDF_INPUT;
import static com.android.ike.eap.message.simaka.attributes.EapTestAttributeDefinitions.KDF_VERSION;
import static com.android.ike.eap.message.simaka.attributes.EapTestAttributeDefinitions.NETWORK_NAME_BYTES;
import static com.android.ike.eap.message.simaka.attributes.EapTestAttributeDefinitions.NETWORK_NAME_HEX;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import com.android.ike.eap.message.simaka.EapAkaPrimeTypeData.EapAkaPrimeTypeDataDecoder;
import com.android.ike.eap.message.simaka.EapSimAkaAttribute.AtAutn;
import com.android.ike.eap.message.simaka.EapSimAkaAttribute.AtClientErrorCode;
import com.android.ike.eap.message.simaka.EapSimAkaAttribute.AtKdf;
import com.android.ike.eap.message.simaka.EapSimAkaAttribute.AtKdfInput;
import com.android.ike.eap.message.simaka.EapSimAkaAttribute.AtMac;
import com.android.ike.eap.message.simaka.EapSimAkaAttribute.AtRandAka;
import com.android.ike.eap.message.simaka.EapSimAkaTypeData.DecodeResult;
import org.junit.Before;
import org.junit.Test;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.Map.Entry;
public class EapAkaPrimeTypeDataTest {
private static final String RAND = "7A1FCDC0034BA1227E7B9FCEAFD47D53";
private static final byte[] RAND_BYTES = hexStringToByteArray(RAND);
private static final String AUTN = "000102030405060708090A0B0C0D0E0F";
private static final byte[] AUTN_BYTES = hexStringToByteArray(AUTN);
private static final String MAC = "95FEB9E70427F34B4FAC8F2C7A65A302";
private static final byte[] MAC_BYTES = hexStringToByteArray(MAC);
private static final byte[] EAP_AKA_PRIME_CHALLENGE_REQUEST =
hexStringToByteArray(
"010000" // Challenge | 2B padding
+ "01050000" + RAND // AT_RAND attribute
+ "02050000" + AUTN // AT_AUTN attribute
+ "1704000B" + NETWORK_NAME_HEX + "00" // AT_KDF_INPUT
+ "18010001" // AT_KDF
+ "0B050000" + MAC); // AT_MAC attribute
private static final byte[] EAP_AKA_PRIME_MULTIPLE_AT_KDF =
hexStringToByteArray(
"010000" // Challenge | 2B padding
+ "01050000" + RAND // AT_RAND attribute
+ "02050000" + AUTN // AT_AUTN attribute
+ "1704000B" + NETWORK_NAME_HEX + "00" // AT_KDF_INPUT
+ "18010001" // AT_KDF
+ "18010002" // AT_KDF
+ "0B050000" + MAC); // AT_MAC attribute
private EapAkaPrimeTypeDataDecoder mTypeDataDecoder;
@Before
public void setUp() {
mTypeDataDecoder = EapAkaPrimeTypeData.getEapAkaPrimeTypeDataDecoder();
}
@Test
public void testDecode() {
DecodeResult<EapAkaTypeData> result =
mTypeDataDecoder.decode(EAP_AKA_PRIME_CHALLENGE_REQUEST);
assertTrue(result.isSuccessfulDecode());
EapAkaPrimeTypeData eapAkaPrimeTypeData = (EapAkaPrimeTypeData) result.eapTypeData;
assertEquals(EAP_AKA_CHALLENGE, eapAkaPrimeTypeData.eapSubtype);
// also check Map entries (needs to match input order)
Iterator<Entry<Integer, EapSimAkaAttribute>> itr =
eapAkaPrimeTypeData.attributeMap.entrySet().iterator();
Entry<Integer, EapSimAkaAttribute> entry = itr.next();
assertEquals(EAP_AT_RAND, (int) entry.getKey());
assertArrayEquals(RAND_BYTES, ((AtRandAka) entry.getValue()).rand);
entry = itr.next();
assertEquals(EAP_AT_AUTN, (int) entry.getKey());
assertArrayEquals(AUTN_BYTES, ((AtAutn) entry.getValue()).autn);
entry = itr.next();
assertEquals(EAP_AT_KDF_INPUT, (int) entry.getKey());
assertArrayEquals(NETWORK_NAME_BYTES, ((AtKdfInput) entry.getValue()).networkName);
entry = itr.next();
assertEquals(EAP_AT_KDF, (int) entry.getKey());
assertEquals(KDF_VERSION, ((AtKdf) entry.getValue()).kdf);
entry = itr.next();
assertEquals(EAP_AT_MAC, (int) entry.getKey());
assertArrayEquals(MAC_BYTES, ((AtMac) entry.getValue()).mac);
assertFalse(itr.hasNext());
}
@Test
public void testDecodeMultipleAtKdfAttributes() {
DecodeResult<EapAkaTypeData> result =
mTypeDataDecoder.decode(EAP_AKA_PRIME_MULTIPLE_AT_KDF);
assertFalse(result.isSuccessfulDecode());
assertEquals(AtClientErrorCode.UNABLE_TO_PROCESS, result.atClientErrorCode);
}
@Test
public void testEncode() throws Exception {
LinkedHashMap<Integer, EapSimAkaAttribute> attributes = new LinkedHashMap<>();
attributes.put(EAP_AT_RAND, new AtRandAka(RAND_BYTES));
attributes.put(EAP_AT_AUTN, new AtAutn(AUTN_BYTES));
attributes.put(EAP_AT_KDF_INPUT, new AtKdfInput(AT_KDF_INPUT.length, NETWORK_NAME_BYTES));
attributes.put(EAP_AT_KDF, new AtKdf(KDF_VERSION));
attributes.put(EAP_AT_MAC, new AtMac(MAC_BYTES));
EapAkaPrimeTypeData eapAkaPrimeTypeData =
new EapAkaPrimeTypeData(EAP_AKA_CHALLENGE, attributes);
byte[] result = eapAkaPrimeTypeData.encode();
assertArrayEquals(EAP_AKA_PRIME_CHALLENGE_REQUEST, result);
}
}
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