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      1 /*
      2  * Copyright (C) 2016 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.content.pm.Signature;
     20 import android.os.Parcel;
     21 import android.os.Parcelable;
     22 
     23 /**
     24  * @hide
     25  * This class constitutes and excerpt from the PackageManager's PackageInfo for the purpose of
     26  * key attestation. It is part of the KeyAttestationApplicationId, which is used by
     27  * keystore to identify the caller of the keystore API towards a remote party.
     28  */
     29 public class KeyAttestationPackageInfo implements Parcelable {
     30     private final String mPackageName;
     31     private final long mPackageVersionCode;
     32     private final Signature[] mPackageSignatures;
     33 
     34     /**
     35      * @param mPackageName
     36      * @param mPackageVersionCode
     37      * @param mPackageSignatures
     38      */
     39     public KeyAttestationPackageInfo(
     40             String mPackageName, long mPackageVersionCode, Signature[] mPackageSignatures) {
     41         super();
     42         this.mPackageName = mPackageName;
     43         this.mPackageVersionCode = mPackageVersionCode;
     44         this.mPackageSignatures = mPackageSignatures;
     45     }
     46     /**
     47      * @return the mPackageName
     48      */
     49     public String getPackageName() {
     50         return mPackageName;
     51     }
     52     /**
     53      * @return the mPackageVersionCode
     54      */
     55     public long getPackageVersionCode() {
     56         return mPackageVersionCode;
     57     }
     58     /**
     59      * @return the mPackageSignatures
     60      */
     61     public Signature[] getPackageSignatures() {
     62         return mPackageSignatures;
     63     }
     64 
     65     @Override
     66     public int describeContents() {
     67         return 0;
     68     }
     69 
     70     @Override
     71     public void writeToParcel(Parcel dest, int flags) {
     72         dest.writeString(mPackageName);
     73         dest.writeLong(mPackageVersionCode);
     74         dest.writeTypedArray(mPackageSignatures, flags);
     75     }
     76 
     77     public static final Parcelable.Creator<KeyAttestationPackageInfo> CREATOR
     78             = new Parcelable.Creator<KeyAttestationPackageInfo>() {
     79         @Override
     80         public KeyAttestationPackageInfo createFromParcel(Parcel source) {
     81             return new KeyAttestationPackageInfo(source);
     82         }
     83 
     84         @Override
     85         public KeyAttestationPackageInfo[] newArray(int size) {
     86             return new KeyAttestationPackageInfo[size];
     87         }
     88     };
     89 
     90     private KeyAttestationPackageInfo(Parcel source) {
     91         mPackageName = source.readString();
     92         mPackageVersionCode = source.readLong();
     93         mPackageSignatures = source.createTypedArray(Signature.CREATOR);
     94     }
     95 }
     96