ClientSideEncryptionSimpleTest.java

/*
 * Copyright (c) 2008 - 2013 10gen, Inc. <http://10gen.com>
 *
 * 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.
 *
 */

import com.mongodb.AutoEncryptionSettings;
import com.mongodb.MongoClientSettings;
import com.mongodb.client.MongoClients;
import org.bson.Document;

import java.security.SecureRandom;
import java.util.Map;

public class ClientSideEncryptionSimpleTest {
    public static void main(String[] args) {
        // This would have to be the same master key as was used to create the encryption key
        var localMasterKey = new byte[96];
        new SecureRandom().nextBytes(localMasterKey);

        var kmsProviders = Map.of("local",
                Map.<String, Object>of("key", localMasterKey));
        var keyVaultNamespace = "admin.datakeys";
        var dbName = "test";
        var collName = "coll";

        var autoEncryptionSettings =
                AutoEncryptionSettings.builder()
                        .keyVaultNamespace(keyVaultNamespace)
                        .kmsProviders(kmsProviders)
                        .build();
        var clientSettings = MongoClientSettings.builder()
                .autoEncryptionSettings(autoEncryptionSettings)
                .build();

        var client = MongoClients.create(clientSettings);
        var collection = client.getDatabase(dbName).getCollection(collName);
        collection.drop();

        collection.insertOne(new Document("encryptedField", "123456789"));

        System.out.println(collection.find().first().toJson());
    }
}