빠른 시작

const provider = "local";
const path = "./master-key.txt";
// WARNING: Do not use a local key file in a production application
const localMasterKey = fs.readFileSync(path);
const kmsProviders = {
  local: {
    key: localMasterKey,
  },
};

var kmsProviders = new Dictionary<string, IReadOnlyDictionary<string, object>>();
const string provider = "local";
var localMasterKeyBase64Read = File.ReadAllText("master-key.txt");
var localMasterKeyBytes = Convert.FromBase64String(localMasterKeyBase64Read);
var localOptions = new Dictionary<string, object>
{
    {"key", localMasterKeyBytes}
};
kmsProviders.Add(provider, localOptions);

key, err := ioutil.ReadFile("master-key.txt")
if err != nil {
	log.Fatalf("Could not read the key from master-key.txt: %v", err)
}
provider := "local"
kmsProviders := map[string]map[string]interface{}{"local": {"key": key}}

String kmsProvider = "local";
String path = "master-key.txt";
byte[] localMasterKeyRead = new byte[96];
try (FileInputStream fis = new FileInputStream(path)) {
    if (fis.read(localMasterKeyRead) < 96)
        throw new Exception("Expected to read 96 bytes from file");
}
Map<String, Object> keyMap = new HashMap<String, Object>();
keyMap.put("key", localMasterKeyRead);
Map<String, Map<String, Object>> kmsProviders = new HashMap<String, Map<String, Object>>();
kmsProviders.put("local", keyMap);

const provider = "local";
const path = "./master-key.txt";
// WARNING: Do not use a local key file in a production application
const localMasterKey = fs.readFileSync(path);
const kmsProviders = {
  local: {
    key: localMasterKey,
  },
};

provider = "local"
path = "./master-key.txt"
# WARNING: Do not use a local key file in a production application
with open(path, "rb") as f:
    local_master_key = f.read()
kms_providers = {
    "local": {
        "key": local_master_key  # local_master_key variable from the previous step
    },
}

const autoEncryptionOpts = {
  keyVaultNamespace: keyVaultNamespace,
  kmsProviders: kmsProviders,
};
const encClient = Mongo(uri, autoEncryptionOpts);
const keyVault = encClient.getKeyVault();
const dek1 = keyVault.createKey(provider, {
  keyAltNames: ["dataKey1"],
});
const dek2 = keyVault.createKey(provider, {
  keyAltNames: ["dataKey2"],
});
const dek3 = keyVault.createKey(provider, {
  keyAltNames: ["dataKey3"],
});
const dek4 = keyVault.createKey(provider, {
  keyAltNames: ["dataKey4"],
});

var clientEncryptionOptions = new ClientEncryptionOptions(
    keyVaultClient,
    keyVaultNamespace,
    kmsProviders: kmsProviders
    );
var clientEncryption = new ClientEncryption(clientEncryptionOptions);
var dataKeyOptions1 = new DataKeyOptions(alternateKeyNames: new List<string> { "dataKey1" });
var dataKeyOptions2 = new DataKeyOptions(alternateKeyNames: new List<string> { "dataKey2" });
var dataKeyOptions3 = new DataKeyOptions(alternateKeyNames: new List<string> { "dataKey3" });
var dataKeyOptions4 = new DataKeyOptions(alternateKeyNames: new List<string> { "dataKey4" });
BsonBinaryData CreateKeyGetID(DataKeyOptions options)
{
    var dateKeyGuid = clientEncryption.CreateDataKey(provider, options, CancellationToken.None);
    return new BsonBinaryData(dateKeyGuid, GuidRepresentation.Standard);
}
var dataKeyId1 = CreateKeyGetID(dataKeyOptions1);
var dataKeyId2 = CreateKeyGetID(dataKeyOptions2);
var dataKeyId3 = CreateKeyGetID(dataKeyOptions3);
var dataKeyId4 = CreateKeyGetID(dataKeyOptions4);

clientEncryptionOpts := options.ClientEncryption().SetKeyVaultNamespace(keyVaultNamespace).
	SetKmsProviders(kmsProviders)
clientEnc, err := mongo.NewClientEncryption(keyVaultClient, clientEncryptionOpts)
if err != nil {
	return fmt.Errorf("NewClientEncryption error %v", err)
}
defer func() {
	_ = clientEnc.Close(context.TODO())
}()
dataKeyOpts1 := options.DataKey().
	SetKeyAltNames([]string{"demoDataKey1"})
dataKeyID1, err := clientEnc.CreateDataKey(context.TODO(), provider, dataKeyOpts1)
if err != nil {
	return fmt.Errorf("create data key error %v", err)
}
dataKeyOpts2 := options.DataKey().
	SetKeyAltNames([]string{"demoDataKey2"})
dataKeyID2, err := clientEnc.CreateDataKey(context.TODO(), provider, dataKeyOpts2)
if err != nil {
	return fmt.Errorf("create data key error %v", err)
}
dataKeyOpts3 := options.DataKey().
	SetKeyAltNames([]string{"demoDataKey3"})
dataKeyID3, err := clientEnc.CreateDataKey(context.TODO(), provider, dataKeyOpts3)
if err != nil {
	return fmt.Errorf("create data key error %v", err)
}
dataKeyOpts4 := options.DataKey().
	SetKeyAltNames([]string{"demoDataKey4"})
dataKeyID4, err := clientEnc.CreateDataKey(context.TODO(), provider, dataKeyOpts4)
if err != nil {
	return fmt.Errorf("create data key error %v", err)
}

String keyVaultNamespace = keyVaultDb + "." + keyVaultColl;
ClientEncryptionSettings clientEncryptionSettings = ClientEncryptionSettings.builder()
        .keyVaultMongoClientSettings(MongoClientSettings.builder()
                .applyConnectionString(new ConnectionString(connectionString))
                .build())
        .keyVaultNamespace(keyVaultNamespace)
        .kmsProviders(kmsProviders)
        .build();
ClientEncryption clientEncryption = ClientEncryptions.create(clientEncryptionSettings);
List<String> keyAlts1 = new ArrayList<String>();
keyAlts1.add("dataKey1");
BsonBinary dataKeyId1 = clientEncryption.createDataKey(kmsProvider, new DataKeyOptions()
        .keyAltNames(keyAlts1));
List<String> keyAlts2 = new ArrayList<String>();
keyAlts2.add("dataKey2");
BsonBinary dataKeyId2 = clientEncryption.createDataKey(kmsProvider, new DataKeyOptions()
        .keyAltNames(keyAlts2));
List<String> keyAlts3 = new ArrayList<String>();
keyAlts3.add("dataKey3");
BsonBinary dataKeyId3 = clientEncryption.createDataKey(kmsProvider, new DataKeyOptions()
        .keyAltNames(keyAlts3));
List<String> keyAlts4 = new ArrayList<String>();
keyAlts4.add("dataKey4");
BsonBinary dataKeyId4 = clientEncryption.createDataKey(kmsProvider, new DataKeyOptions()
        .keyAltNames(keyAlts4));

const clientEnc = new ClientEncryption(keyVaultClient, {
  keyVaultNamespace: keyVaultNamespace,
  kmsProviders: kmsProviders,
});
const dek1 = await clientEnc.createDataKey(provider, {
  keyAltNames: ["dataKey1"],
});
const dek2 = await clientEnc.createDataKey(provider, {
  keyAltNames: ["dataKey2"],
});
const dek3 = await clientEnc.createDataKey(provider, {
  keyAltNames: ["dataKey3"],
});
const dek4 = await clientEnc.createDataKey(provider, {
  keyAltNames: ["dataKey4"],
});

client = MongoClient(connection_string)
client_encryption = ClientEncryption(
    kms_providers,  # pass in the kms_providers variable from the previous step
    key_vault_namespace,
    client,
    CodecOptions(uuid_representation=STANDARD),
)
data_key_id_1 = client_encryption.create_data_key(provider, key_alt_names=["dataKey1"])
data_key_id_2 = client_encryption.create_data_key(provider, key_alt_names=["dataKey2"])
data_key_id_3 = client_encryption.create_data_key(provider, key_alt_names=["dataKey3"])
data_key_id_4 = client_encryption.create_data_key(provider, key_alt_names=["dataKey4"])

const encryptedFieldsMap = {
  [`${secretDB}.${secretCollection}`]: {
    fields: [
      {
        keyId: dek1,
        path: "patientId",
        bsonType: "int",
        queries: { queryType: "equality" },
      },
      {
        keyId: dek2,
        path: "medications",
        bsonType: "array",
      },
      {
        keyId: dek3,
        path: "patientRecord.ssn",
        bsonType: "string",
        queries: { queryType: "equality" },
      },
      {
        keyId: dek4,
        path: "patientRecord.billing",
        bsonType: "object",
      },
    ],
  },
};
try {
  const autoEncryptionOptions = {
    keyVaultNamespace: keyVaultNamespace,
    kmsProviders: kmsProviders,
    encryptedFieldsMap: encryptedFieldsMap,
  };
  const encClient = Mongo(uri, autoEncryptionOptions);
  const newEncDB = encClient.getDB(secretDB);
  // Drop the encrypted collection in case you created this collection
  // in a previous run of this application.
  newEncDB.dropDatabase();
  newEncDB.createCollection(secretCollection);
  console.log("Created encrypted collection!");

var encryptedCollectionNamespace = CollectionNamespace.FromFullName("medicalRecords.patients");
var encryptedFieldsMap = new Dictionary<string, BsonDocument>
{
    {
        encryptedCollectionNamespace.FullName, new BsonDocument
        {
            {
                "fields", new BsonArray
                {
                    new BsonDocument
                    {
                        {"keyId", dataKeyId1},
                        {"path", new BsonString("patientId")},
                        {"bsonType", new BsonString("int")},
                        {
                            "queries", new BsonDocument
                            {
                                {"queryType", new BsonString("equality")}
                            }
                        }
                    },
                    new BsonDocument
                    {
                        {"keyId", dataKeyId2},
                        {"path", new BsonString("medications")},
                        {"bsonType", new BsonString("array")},
                    },
                    new BsonDocument
                    {
                        {"keyId", dataKeyId3},
                        {"path", new BsonString("patientRecord.ssn")},
                        {"bsonType", new BsonString("string")},
                        {
                            "queries", new BsonDocument
                            {
                                {"queryType", new BsonString("equality")}
                            }
                        }
                    },
                    new BsonDocument
                    {
                        {"keyId", dataKeyId4},
                        {"path", new BsonString("patientRecord.billing")},
                        {"bsonType", new BsonString("object")},
                    },
                }
            }
        }
    }
};
var extraOptions = new Dictionary<string, object>()
{
   { "cryptSharedLibPath", "<path to crypt_shared library>" },
};
var autoEncryptionOptions = new AutoEncryptionOptions(
    keyVaultNamespace,
    kmsProviders,
    encryptedFieldsMap: encryptedFieldsMap,
    extraOptions: extraOptions);
var clientSettings = MongoClientSettings.FromConnectionString(connectionString);
clientSettings.AutoEncryptionOptions = autoEncryptionOptions;
var secureClient = new MongoClient(clientSettings);
var encryptedDatabase = secureClient.GetDatabase(encryptedCollectionNamespace.DatabaseNamespace.DatabaseName);
// Drop the encrypted collection in case you created this collection
// in a previous run of this application.
encryptedDatabase.DropCollection(encryptedCollectionNamespace.CollectionName);
encryptedDatabase.CreateCollection(encryptedCollectionNamespace.CollectionName);
Console.WriteLine("Created encrypted collection!");

dbName := "medicalRecords"
collName := "patients"
encNamespace := (dbName + "." + collName)
encryptedFieldsMap := bson.M{
	encNamespace: bson.M{
		"fields": []bson.M{
			{
				"path":     "patientId",
				"bsonType": "int",
				"keyId":    dataKeyID1,
				"queries": []bson.M{
					{
						"queryType": "equality",
					},
				},
			},
			{
				"path":     "medications",
				"bsonType": "array",
				"keyId":    dataKeyID2,
			},
			{
				"path":     "patientRecord.ssn",
				"bsonType": "string",
				"keyId":    dataKeyID3,
				"queries": []bson.M{
					{
						"queryType": "equality",
					},
				},
			},
			{
				"path":     "patientRecord.billing",
				"bsonType": "object",
				"keyId":    dataKeyID4,
			},
		},
	},
}
extraOptions := map[string]interface{}{
	"cryptSharedLibPath": "<Your Crypt Shared lib Path>",
}
autoEncryptionOpts := options.AutoEncryption().
	SetKmsProviders(kmsProviders).
	SetKeyVaultNamespace(keyVaultNamespace).
	SetEncryptedFieldsMap(encryptedFieldsMap).
	SetExtraOptions(extraOptions)
secureClient, err := mongo.Connect(context.TODO(), options.Client().ApplyURI(uri).SetAutoEncryptionOptions(autoEncryptionOpts))
if err != nil {
	return fmt.Errorf("Connect error for encrypted client: %v", err)
}
defer func() {
	_ = secureClient.Disconnect(context.TODO())
}()
// Drop the encrypted collection in case you created this collection
// in a previous run of this application.
if err = secureClient.Database(dbName).Collection(collName).Drop(context.TODO()); err != nil {
	log.Fatalf("Collection.Drop error: %v", err)
}
err = secureClient.Database(dbName).CreateCollection(context.TODO(), collName)
if err != nil {
	return fmt.Errorf("Error creating collection: %v", err)
}

String encryptedNameSpace = encryptedDbName + "." + encryptedCollName;
BsonDocument encFields = new BsonDocument().append("fields",
        new BsonArray(Arrays.asList(
                new BsonDocument().append("keyId", dataKeyId1)
                        .append("path", new BsonString("patientId"))
                        .append("bsonType", new BsonString("int"))
                        .append("queries", new BsonDocument().append("queryType", new BsonString("equality"))),
                new BsonDocument().append("keyId", dataKeyId2)
                        .append("path", new BsonString("medications"))
                        .append("bsonType", new BsonString("array")),
                new BsonDocument().append("keyId", dataKeyId3)
                        .append("path", new BsonString("patientRecord.ssn"))
                        .append("bsonType", new BsonString("string"))
                        .append("queries", new BsonDocument().append("queryType", new BsonString("equality"))),
                new BsonDocument().append("keyId", dataKeyId4)
                        .append("path", new BsonString("patientRecord.billing"))
                        .append("bsonType", new BsonString("object"))
                )));
Map<String, BsonDocument> encryptedFieldsMap = new HashMap<String, BsonDocument>();
encryptedFieldsMap.put(encryptedNameSpace, encFields);
Map<String, Object> extraOptions = new HashMap<String, Object>();
extraOptions.put("cryptSharedLibPath", "<path to crypt_shared>");
MongoClientSettings clientSettings = MongoClientSettings.builder()
        .applyConnectionString(new ConnectionString(connectionString))
        .autoEncryptionSettings(AutoEncryptionSettings.builder()
                .keyVaultNamespace(keyVaultNamespace)
                .kmsProviders(kmsProviders)
                .encryptedFieldsMap(encryptedFieldsMap)
                .extraOptions(extraOptions)
                .build())
        .build();
MongoClient mongoClientSecure = MongoClients.create(clientSettings);
MongoDatabase encDb = mongoClientSecure.getDatabase(encryptedDbName);
// Drop the encrypted collection in case you created this collection
// in a previous run of this application.
encDb.getCollection(encryptedCollName).drop();
encDb.createCollection(encryptedCollName);

const encryptedFieldsMap = {
  [`${secretDB}.${secretCollection}`]: {
    fields: [
      {
        keyId: dek1,
        path: "patientId",
        bsonType: "int",
        queries: { queryType: "equality" },
      },
      {
        keyId: dek2,
        path: "medications",
        bsonType: "array",
      },
      {
        keyId: dek3,
        path: "patientRecord.ssn",
        bsonType: "string",
        queries: { queryType: "equality" },
      },
      {
        keyId: dek4,
        path: "patientRecord.billing",
        bsonType: "object",
      },
    ],
  },
};
const extraOptions = {
  cryptSharedLibPath: "<path to FLE Shared Library>",
};
const encClient = new MongoClient(uri, {
  autoEncryption: {
    keyVaultNamespace,
    kmsProviders,
    extraOptions,
    encryptedFieldsMap,
  },
});
await encClient.connect();
const newEncDB = encClient.db(secretDB);
// Drop the encrypted collection in case you created this collection
// in a previous run of this application.
await newEncDB.dropDatabase();
await newEncDB.createCollection(secretCollection);
console.log("Created encrypted collection!");

encrypted_db_name = "medicalRecords"
encrypted_coll_name = "patients"
encrypted_fields_map = {
    f"{encrypted_db_name}.{encrypted_coll_name}": {
        "fields": [
            {
                "keyId": data_key_id_1,
                "path": "patientId",
                "bsonType": "int",
                "queries": {"queryType": "equality"},
            },
            {
                "keyId": data_key_id_2,
                "path": "medications",
                "bsonType": "array",
            },
            {
                "keyId": data_key_id_3,
                "path": "patientRecord.ssn",
                "bsonType": "string",
                "queries": {"queryType": "equality"},
            },
            {
                "keyId": data_key_id_4,
                "path": "patientRecord.billing",
                "bsonType": "object",
            },
        ],
    },
}
key_vault_namespace = "encryption.__keyVault"
auto_encryption = AutoEncryptionOpts(
    kms_providers,
    key_vault_namespace,
    encrypted_fields_map=encrypted_fields_map,
    schema_map=None,
    crypt_shared_lib_path="<path to FLE Shared Library>",
)
secure_client = MongoClient(connection_string, auto_encryption_opts=auto_encryption)
# Drop the encrypted collection in case you created this collection
# in a previous run of this application.
secure_client.drop_database(encrypted_db_name)
encrypted_db = secure_client[encrypted_db_name]
encrypted_db.create_collection(encrypted_coll_name)
print("Created encrypted collection!")

const keyVaultDB = "encryption";
const keyVaultColl = "__keyVault";
const keyVaultNamespace = `${keyVaultDB}.${keyVaultColl}`;
const secretDB = "medicalRecords";
const secretCollection = "patients";

var keyVaultNamespace = CollectionNamespace.FromFullName("encryption.__keyVault");

keyVaultColl := "__keyVault"
keyVaultDb := "encryption"
keyVaultNamespace := keyVaultDb + "." + keyVaultColl

String keyVaultDb = "encryption";
String keyVaultColl = "__keyVault";
String keyVaultNamespace = keyVaultDb + "." + keyVaultColl;

const eDB = "encryption";
const eKV = "__keyVault";
const keyVaultNamespace = `${eDB}.${eKV}`;

key_vault_db = "encryption"
key_vault_coll = "__keyVault"
key_vault_namespace = "encryption.__keyVault"

const provider = "local";
const path = "./master-key.txt";
const localMasterKey = fs.readFileSync(path);
const kmsProviders = {
  local: {
    key: localMasterKey,
  },
};

var kmsProviders = new Dictionary<string, IReadOnlyDictionary<string, object>>();
const string provider = "local";
const string localMasterKeyPath = "master-key.txt";
var localMasterKeyBase64Read = File.ReadAllText(localMasterKeyPath);
var localMasterKeyBytes = Convert.FromBase64String(localMasterKeyBase64Read);
var localOptions = new Dictionary<string, object>
{
    {"key", localMasterKeyBytes}
};
kmsProviders.Add(provider, localOptions);

key, err := ioutil.ReadFile("master-key.txt")
if err != nil {
	log.Fatalf("Could not read the key from master-key.txt: %v", err)
}
kmsProviders := map[string]map[string]interface{}{"local": {"key": key}}

String kmsProvider = "local";
String path = "master-key.txt";
byte[] localMasterKeyRead = new byte[96];
try (FileInputStream fis = new FileInputStream(path)) {
    if (fis.read(localMasterKeyRead) < 96)
        throw new Exception("Expected to read 96 bytes from file");
}
Map<String, Object> keyMap = new HashMap<String, Object>();
keyMap.put("key", localMasterKeyRead);
Map<String, Map<String, Object>> kmsProviders = new HashMap<String, Map<String, Object>>();
kmsProviders.put(kmsProvider, keyMap);

const fs = require("fs");
const provider = "local";
const path = "./master-key.txt";
// WARNING: Do not use a local key file in a production application
const localMasterKey = fs.readFileSync(path);
const kmsProviders = {
  local: {
    key: localMasterKey,
  },
};

provider = "local"
path = "./master-key.txt"
# WARNING: Do not use a local key file in a production application
with open(path, "rb") as f:
    local_master_key = f.read()
kms_providers = {
    "local": {
        "key": local_master_key  # local_master_key variable from the previous step
    },
}

const uri = "<Your Connection String>";
const unencryptedClient = Mongo(uri);
const autoEncryptionOpts = { kmsProviders, keyVaultNamespace };
const encClient = Mongo(uri, autoEncryptionOpts);
const keyVault = encClient.getKeyVault();
const keyVaultClient = unencryptedClient
  .getDB(keyVaultDB)
  .getCollection(keyVaultColl);
const dek1 = keyVaultClient.findOne({ keyAltNames: "dataKey1" });
const dek2 = keyVaultClient.findOne({ keyAltNames: "dataKey2" });
const dek3 = keyVaultClient.findOne({ keyAltNames: "dataKey3" });
const dek4 = keyVaultClient.findOne({ keyAltNames: "dataKey4" });
const secretDB = "medicalRecords";
const secretColl = "patients";
const encryptedFieldsMap = {
  [`${secretDB}.${secretColl}`]: {
    fields: [
      {
        keyId: dek1._id,
        path: "patientId",
        bsonType: "int",
        queries: { queryType: "equality" },
      },
      {
        keyId: dek2._id,
        path: "medications",
        bsonType: "array",
      },
      {
        keyId: dek3._id,
        path: "patientRecord.ssn",
        bsonType: "string",
        queries: { queryType: "equality" },
      },
      {
        keyId: dek4._id,
        path: "patientRecord.billing",
        bsonType: "object",
      },
    ],
  },
};

var regularClient = new MongoClient(connectionString);
var keyVaultCollection = regularClient.GetDatabase(keyVaultNamespace.DatabaseNamespace.DatabaseName)
    .GetCollection<BsonDocument>(keyVaultNamespace.CollectionName);
BsonBinaryData GetKeyId(string altName)
{
    var filter = Builders<BsonDocument>.Filter.Eq<BsonString>("keyAltNames", altName);
    return keyVaultCollection.Find(filter).First<BsonDocument>()["_id"].AsBsonBinaryData;
}
var dataKeyId1 = GetKeyId("dataKey1");
var dataKeyId2 = GetKeyId("dataKey2");
var dataKeyId3 = GetKeyId("dataKey3");
var dataKeyId4 = GetKeyId("dataKey4");
var encryptedCollectionNamespace = CollectionNamespace.FromFullName("medicalRecords.patients");
var encryptedFieldsMap = new Dictionary<string, BsonDocument>
{
    {
        encryptedCollectionNamespace.FullName, new BsonDocument
        {
            {
                "fields", new BsonArray
                {
                    new BsonDocument
                    {
                        {"keyId", dataKeyId1},
                        {"path", new BsonString("patientId")},
                        {"bsonType", new BsonString("int")},
                        {
                            "queries", new BsonDocument
                            {
                                {"queryType", new BsonString("equality")}
                            }
                        }
                    },
                    new BsonDocument
                    {
                        {"keyId", dataKeyId2},
                        {"path", new BsonString("medications")},
                        {"bsonType", new BsonString("array")},
                    },
                    new BsonDocument
                    {
                        {"keyId", dataKeyId3},
                        {"path", new BsonString("patientRecord.ssn")},
                        {"bsonType", new BsonString("string")},
                        {
                            "queries", new BsonDocument
                            {
                                {"queryType", new BsonString("equality")}
                            }
                        }
                    },
                    new BsonDocument
                    {
                        {"keyId", dataKeyId4},
                        {"path", new BsonString("patientRecord.billing")},
                        {"bsonType", new BsonString("object")},
                    },
                }
            }
        }
    }
};

regularClient, err := mongo.Connect(context.TODO(), options.Client().ApplyURI(uri))
if err != nil {
	return fmt.Errorf("Connect error for regular client: %v", err)
}
defer func() {
	_ = regularClient.Disconnect(context.TODO())
}()
var foundDoc1 bson.M
err = regularClient.Database(keyVaultDb).Collection(keyVaultColl).FindOne(context.TODO(), bson.D{{"keyAltNames", "demoDataKey1"}}).Decode(&foundDoc1)
if err != nil {
	panic(err)
}
var dataKeyID1 = foundDoc1["_id"].(primitive.Binary)
var foundDoc2 bson.M
err = regularClient.Database(keyVaultDb).Collection(keyVaultColl).FindOne(context.TODO(), bson.D{{"keyAltNames", "demoDataKey2"}}).Decode(&foundDoc2)
if err != nil {
	panic(err)
}
var dataKeyID2 = foundDoc2["_id"].(primitive.Binary)
var foundDoc3 bson.M
err = regularClient.Database(keyVaultDb).Collection(keyVaultColl).FindOne(context.TODO(), bson.D{{"keyAltNames", "demoDataKey3"}}).Decode(&foundDoc3)
if err != nil {
	panic(err)
}
var dataKeyID3 = foundDoc3["_id"].(primitive.Binary)
var foundDoc4 bson.M
err = regularClient.Database(keyVaultDb).Collection(keyVaultColl).FindOne(context.TODO(), bson.D{{"keyAltNames", "demoDataKey4"}}).Decode(&foundDoc4)
if err != nil {
	panic(err)
}
var dataKeyID4 = foundDoc4["_id"].(primitive.Binary)
encryptedFieldsMap := bson.M{
	"medicalRecords.patients": bson.M{
		"fields": []bson.M{
			{
				"path":     "patientId",
				"bsonType": "int",
				"keyId":    dataKeyID1,
				"queries": []bson.M{
					{
						"queryType": "equality",
					},
				},
			},
			{
				"path":     "medications",
				"bsonType": "array",
				"keyId":    dataKeyID2,
			},
			{
				"path":     "patientRecord.ssn",
				"bsonType": "string",
				"keyId":    dataKeyID3,
				"queries": []bson.M{
					{
						"queryType": "equality",
					},
				},
			},
			{
				"path":     "patientRecord.billing",
				"bsonType": "object",
				"keyId":    dataKeyID4,
			},
		},
	},
}

MongoClient regularClient = MongoClients.create(connectionString);
MongoCollection<Document> keyVaultClient = regularClient.getDatabase(keyVaultDb).getCollection(keyVaultColl);
BsonBinary dataKeyId1 = new BsonBinary(BsonBinarySubType.UUID_STANDARD, keyVaultClient.find(eq("keyAltNames", "dataKey1")).first().get("_id", Binary.class).getData());
BsonBinary dataKeyId2 = new BsonBinary(BsonBinarySubType.UUID_STANDARD, keyVaultClient.find(eq("keyAltNames", "dataKey2")).first().get("_id", Binary.class).getData());
BsonBinary dataKeyId3 = new BsonBinary(BsonBinarySubType.UUID_STANDARD, keyVaultClient.find(eq("keyAltNames", "dataKey3")).first().get("_id", Binary.class).getData());
BsonBinary dataKeyId4 = new BsonBinary(BsonBinarySubType.UUID_STANDARD, keyVaultClient.find(eq("keyAltNames", "dataKey4")).first().get("_id", Binary.class).getData());
BsonDocument encFields = new BsonDocument().append("fields",
        new BsonArray(Arrays.asList(
                new BsonDocument().append("keyId", dataKeyId1)
                        .append("path", new BsonString("patientId"))
                        .append("bsonType", new BsonString("int"))
                        .append("queries", new BsonDocument().append("queryType", new BsonString("equality"))),
                new BsonDocument().append("keyId", dataKeyId2)
                        .append("path", new BsonString("medications"))
                        .append("bsonType", new BsonString("array")),
                new BsonDocument().append("keyId", dataKeyId3)
                        .append("path", new BsonString("patientRecord.ssn"))
                        .append("bsonType", new BsonString("string"))
                        .append("queries", new BsonDocument().append("queryType", new BsonString("equality"))),
                new BsonDocument().append("keyId", dataKeyId4)
                        .append("path", new BsonString("patientRecord.billing"))
                        .append("bsonType", new BsonString("object")))));
Map<String, BsonDocument> encryptedFieldsMap = new HashMap<String, BsonDocument>();
encryptedFieldsMap.put(encryptedNameSpace, encFields);

const uri = "<Your Connection String>";
const unencryptedClient = new MongoClient(uri);
await unencryptedClient.connect();
const keyVaultClient = unencryptedClient.db(eDB).collection(eKV);
const dek1 = await keyVaultClient.findOne({ keyAltNames: "dataKey1" });
const dek2 = await keyVaultClient.findOne({ keyAltNames: "dataKey2" });
const dek3 = await keyVaultClient.findOne({ keyAltNames: "dataKey3" });
const dek4 = await keyVaultClient.findOne({ keyAltNames: "dataKey4" });
const secretDB = "medicalRecords";
const secretCollection = "patients";
const encryptedFieldsMap = {
  [`${secretDB}.${secretCollection}`]: {
    fields: [
      {
        keyId: dek1._id,
        path: "patientId",
        bsonType: "int",
        queries: { queryType: "equality" },
      },
      {
        keyId: dek2._id,
        path: "medications",
        bsonType: "array",
      },
      {
        keyId: dek3._id,
        path: "patientRecord.ssn",
        bsonType: "string",
        queries: { queryType: "equality" },
      },
      {
        keyId: dek4._id,
        path: "patientRecord.billing",
        bsonType: "object",
      },
    ],
  },
};

connection_string = "<your connection string here>"
unencryptedClient = MongoClient(connection_string)
keyVaultClient = unencryptedClient[key_vault_db][key_vault_coll]
data_key_id_1 = keyVaultClient.find_one({"keyAltNames": "dataKey1"})["_id"]
data_key_id_2 = keyVaultClient.find_one({"keyAltNames": "dataKey2"})["_id"]
data_key_id_3 = keyVaultClient.find_one({"keyAltNames": "dataKey3"})["_id"]
data_key_id_4 = keyVaultClient.find_one({"keyAltNames": "dataKey4"})["_id"]
encrypted_db_name = "medicalRecords"
encrypted_coll_name = "patients"
encrypted_fields_map = {
    f"{encrypted_db_name}.{encrypted_coll_name}": {
        "fields": [
            {
                "keyId": data_key_id_1,
                "path": "patientId",
                "bsonType": "int",
                "queries": {"queryType": "equality"},
            },
            {
                "keyId": data_key_id_2,
                "path": "medications",
                "bsonType": "array",
            },
            {
                "keyId": data_key_id_3,
                "path": "patientRecord.ssn",
                "bsonType": "string",
                "queries": {"queryType": "equality"},
            },
            {
                "keyId": data_key_id_4,
                "path": "patientRecord.billing",
                "bsonType": "object",
            },
        ],
    },
}

var extraOptions = new Dictionary<string, object>()
{
   { "cryptSharedLibPath", "<path to crypt_shared library>" },
};

extraOptions := map[string]interface{}{
	"cryptSharedLibPath": "<Your Crypt Shared lib Path>",
}

Map<String, Object> extraOptions = new HashMap<String, Object>();
extraOptions.put("cryptSharedLibPath", "<path to crypt_shared>");

const extraOptions = {
  cryptSharedLibPath: "<path to FLE Shared Library>",
};

auto_encryption = AutoEncryptionOpts(
    kms_providers,
    key_vault_namespace,
    encrypted_fields_map=encrypted_fields_map,
    schema_map=None,
    crypt_shared_lib_path="<path to FLE Shared Library>",
)

const autoEncryptionOptions = {
  keyVaultNamespace: keyVaultNamespace,
  kmsProviders: kmsProviders,
  bypassQueryAnalysis: false,
  encryptedFieldsMap: encryptedFieldsMap,
};
const encryptedClient = Mongo(uri, autoEncryptionOptions);
const encryptedColl = encryptedClient
  .getDB(secretDB)
  .getCollection(secretColl);
const unencryptedColl = unencryptedClient
  .getDB(secretDB)
  .getCollection(secretColl);

var clientSettings = MongoClientSettings.FromConnectionString(connectionString);
var autoEncryptionOptions = new AutoEncryptionOptions(
    keyVaultNamespace,
    kmsProviders,
    encryptedFieldsMap: encryptedFieldsMap,
    extraOptions: extraOptions
    );
clientSettings.AutoEncryptionOptions = autoEncryptionOptions;
var secureClient = new MongoClient(clientSettings);

autoEncryptionOpts := options.AutoEncryption().
	SetKmsProviders(kmsProviders).
	SetKeyVaultNamespace(keyVaultNamespace).
	SetEncryptedFieldsMap(encryptedFieldsMap).
	SetExtraOptions(extraOptions)
secureClient, err := mongo.Connect(context.TODO(), options.Client().ApplyURI(uri).SetAutoEncryptionOptions(autoEncryptionOpts))
if err != nil {
	return fmt.Errorf("Connect error for encrypted client: %v", err)
}
defer func() {
	_ = secureClient.Disconnect(context.TODO())
}()

MongoClientSettings clientSettings = MongoClientSettings.builder()
        .applyConnectionString(new ConnectionString(connectionString))
        .autoEncryptionSettings(AutoEncryptionSettings.builder()
                .keyVaultNamespace(keyVaultNamespace)
                .kmsProviders(kmsProviders)
                .encryptedFieldsMap(encryptedFieldsMap)
                .extraOptions(extraOptions)
                .build())
        .build();
MongoClient mongoClientSecure = MongoClients.create(clientSettings);

const encryptedClient = new MongoClient(uri, {
  autoEncryption: {
    keyVaultNamespace: keyVaultNamespace,
    kmsProviders: kmsProviders,
    extraOptions: extraOptions,
    encryptedFieldsMap: encryptedFieldsMap,
  },
});
await encryptedClient.connect();

secure_client = MongoClient(connection_string, auto_encryption_opts=auto_encryption)