/* * Copyright 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 androidx.security.crypto; import android.content.Context; import androidx.annotation.NonNull; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.security.GeneralSecurityException; public final class EncryptedFile { public enum FileEncryptionScheme { AES256_GCM_HKDF_4KB; } public static final class Builder { public Builder(@NonNull File file, @NonNull Context context, @NonNull String masterKeyAlias, @NonNull FileEncryptionScheme fileEncryptionScheme) {} public Builder(@NonNull Context context, @NonNull File file, @NonNull MasterKey masterKey, @NonNull FileEncryptionScheme fileEncryptionScheme) {} public Builder setKeysetPrefName(@NonNull String keysetPrefName) { return null; } public Builder setKeysetAlias(@NonNull String keysetAlias) { return null; } public EncryptedFile build() throws GeneralSecurityException, IOException { return null; } } public FileOutputStream openFileOutput() throws GeneralSecurityException, IOException { return null; } public FileInputStream openFileInput() throws GeneralSecurityException, IOException, FileNotFoundException { return null; } }