1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.keystore.cts; 18 19 import java.security.AlgorithmParameters; 20 import java.security.spec.AlgorithmParameterSpec; 21 import java.security.spec.InvalidParameterSpecException; 22 23 abstract class AESECBCipherTestBase extends BlockCipherTestBase { 24 25 @Override 26 protected boolean isStreamCipher() { 27 return false; 28 } 29 30 @Override 31 protected boolean isAuthenticatedCipher() { 32 return false; 33 } 34 35 @Override 36 protected int getKatAuthenticationTagLengthBytes() { 37 throw new UnsupportedOperationException(); 38 } 39 40 @Override 41 protected int getBlockSize() { 42 return 16; 43 } 44 45 @Override 46 protected AlgorithmParameterSpec getKatAlgorithmParameterSpec() { 47 return null; 48 } 49 50 @Override 51 protected byte[] getIv(AlgorithmParameters params) throws InvalidParameterSpecException { 52 if (params != null) { 53 fail("ECB does not use IV"); 54 } 55 return null; 56 } 57 58 public void testInitRejectsIvParameterSpec() throws Exception { 59 assertInitRejectsIvParameterSpec(new byte[getBlockSize()]); 60 } 61 } 62
