| /* |
| * Copyright (C) 2017 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.locksettings; |
| |
| import android.platform.test.annotations.Presubmit; |
| import android.test.AndroidTestCase; |
| |
| import androidx.test.filters.SmallTest; |
| |
| import com.android.internal.util.HexDump; |
| |
| @SmallTest |
| @Presubmit |
| public class SP800DeriveTests extends AndroidTestCase { |
| public void testFixedInput() throws Exception { |
| // CAVP: https://csrc.nist.gov/projects/cryptographic-algorithm-validation-program/key-derivation |
| byte[] keyBytes = HexDump.hexStringToByteArray( |
| "e204d6d466aad507ffaf6d6dab0a5b26" |
| + "152c9e21e764370464e360c8fbc765c6"); |
| SP800Derive sk = new SP800Derive(keyBytes); |
| byte[] fixedInput = HexDump.hexStringToByteArray( |
| "7b03b98d9f94b899e591f3ef264b71b1" |
| + "93fba7043c7e953cde23bc5384bc1a62" |
| + "93580115fae3495fd845dadbd02bd645" |
| + "5cf48d0f62b33e62364a3a80"); |
| byte[] res = sk.fixedInput(fixedInput); |
| assertEquals(( |
| "770dfab6a6a4a4bee0257ff335213f78" |
| + "d8287b4fd537d5c1fffa956910e7c779").toUpperCase(), HexDump.toHexString(res)); |
| } |
| } |