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.security.keymaster; 18 19 import android.compat.annotation.UnsupportedAppUsage; 20 import android.os.Parcel; 21 22 /** 23 * @hide 24 */ 25 class KeymasterBlobArgument extends KeymasterArgument { 26 @UnsupportedAppUsage 27 public final byte[] blob; 28 29 @UnsupportedAppUsage KeymasterBlobArgument(int tag, byte[] blob)30 public KeymasterBlobArgument(int tag, byte[] blob) { 31 super(tag); 32 switch (KeymasterDefs.getTagType(tag)) { 33 case KeymasterDefs.KM_BIGNUM: 34 case KeymasterDefs.KM_BYTES: 35 break; // OK. 36 default: 37 throw new IllegalArgumentException("Bad blob tag " + tag); 38 } 39 this.blob = blob; 40 } 41 42 @UnsupportedAppUsage KeymasterBlobArgument(int tag, Parcel in)43 public KeymasterBlobArgument(int tag, Parcel in) { 44 super(tag); 45 blob = in.createByteArray(); 46 } 47 48 @Override writeValue(Parcel out)49 public void writeValue(Parcel out) { 50 out.writeByteArray(blob); 51 } 52 } 53