Revert "DO NOT MERGE Add data integrity checking for wifi passwords"

This reverts commit fe21aeee563b916a738c2a21e824e9ecf4b03416.

Reason for revert: b/127655135. This might cause devices to discard saved wifi networks stored on disk.

Bug: 127655135
Change-Id: I4628098a91e5906f9e66ca333b36e9da4c560e76

1 files changed, 0 insertions, 84 deletions

diff --git a/tests/wifitests/src/com/android/server/wifi/util/DataIntegrityCheckerTest.java b/tests/wifitests/src/com/android/server/wifi/util/DataIntegrityCheckerTest.java
deleted file mode 100644
index 5e4f6cc0d..000000000
--- a/tests/wifitests/src/com/android/server/wifi/util/DataIntegrityCheckerTest.java
+++ /dev/null
@@ -1,84 +0,0 @@
-/*
- * 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.server.wifi.util;
-
-import static org.junit.Assert.*;
-
-import org.junit.Test;
-
-import java.io.File;
-import java.security.DigestException;
-
-/**
- * Unit tests for {@link com.android.server.wifi.util.DataIntegrityChecker}.
- */
-public class DataIntegrityCheckerTest {
-    private static byte[] sGoodData = {1, 2, 3, 4};
-    private static byte[] sBadData = {5, 6, 7, 8};
-
-    /**
-     * Verify that updating the integrity token with known data and alias will
-     * pass the integrity test. This test ensure the expected outcome for
-     * unedited data succeeds.
-     *
-     * @throws Exception
-     */
-    @Test
-    public void testIntegrityWithKnownDataAndKnownAlias() throws Exception {
-        File integrityFile = File.createTempFile("testIntegrityWithKnownDataAndKnownAlias",
-                ".tmp");
-        DataIntegrityChecker dataIntegrityChecker = new DataIntegrityChecker(
-                integrityFile.getParent());
-        dataIntegrityChecker.update(sGoodData);
-        assertTrue(dataIntegrityChecker.isOk(sGoodData));
-    }
-
-    /**
-     * Verify that checking the integrity of unknown data and a known alias
-     * will fail the integrity test. This test ensure the expected failure for
-     * altered data, in fact, fails.
-     *
-     *
-     * @throws Exception
-     */
-    @Test
-    public void testIntegrityWithUnknownDataAndKnownAlias() throws Exception {
-        File integrityFile = File.createTempFile("testIntegrityWithUnknownDataAndKnownAlias",
-                ".tmp");
-        DataIntegrityChecker dataIntegrityChecker = new DataIntegrityChecker(
-                integrityFile.getParent());
-        dataIntegrityChecker.update(sGoodData);
-        assertFalse(dataIntegrityChecker.isOk(sBadData));
-    }
-
-    /**
-     * Verify a corner case where integrity of data that has never been
-     * updated passes and adds the token to the keystore.
-     *
-     * @throws Exception
-     */
-    @Test(expected = DigestException.class)
-    public void testIntegrityWithoutUpdate() throws Exception {
-        File tmpFile = File.createTempFile("testIntegrityWithoutUpdate", ".tmp");
-
-        DataIntegrityChecker dataIntegrityChecker = new DataIntegrityChecker(
-                tmpFile.getAbsolutePath());
-
-        // the integrity data is not known, so isOk throws a DigestException
-        assertTrue(dataIntegrityChecker.isOk(sGoodData));
-    }
-}