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

path = "./master-key.txt"
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
    },
}

var clientEncryptionOptions = new ClientEncryptionOptions(
    keyVaultClient: keyVaultClient,
    keyVaultNamespace: keyVaultNamespace,
    kmsProviders: kmsProviders
    );
var clientEncryption = new ClientEncryption(clientEncryptionOptions);
var dataKeyOptions = new DataKeyOptions();
var dataKeyId = clientEncryption.CreateDataKey(provider, dataKeyOptions, CancellationToken.None);
var dataKeyIdBase64 = Convert.ToBase64String(GuidConverter.ToBytes(dataKeyId, GuidRepresentation.Standard));
Console.WriteLine($"DataKeyId [base64]: {dataKeyIdBase64}");

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())
}()
dataKeyOpts := options.DataKey()
dataKeyID, err := clientEnc.CreateDataKey(context.TODO(), provider, dataKeyOpts)
if err != nil {
	return fmt.Errorf("create data key error %v", err)
}
fmt.Printf("DataKeyId [base64]: %s\n", base64.StdEncoding.EncodeToString(dataKeyID.Data))

ClientEncryptionSettings clientEncryptionSettings = ClientEncryptionSettings.builder()
        .keyVaultMongoClientSettings(MongoClientSettings.builder()
                .applyConnectionString(new ConnectionString(connectionString))
                .build())
        .keyVaultNamespace(keyVaultNamespace)
        .kmsProviders(kmsProviders)
        .build();
MongoClient regularClient = MongoClients.create(connectionString);
ClientEncryption clientEncryption = ClientEncryptions.create(clientEncryptionSettings);
BsonBinary dataKeyId = clientEncryption.createDataKey(kmsProvider, new DataKeyOptions());
String base64DataKeyId = Base64.getEncoder().encodeToString(dataKeyId.getData());
System.out.println("DataKeyId [base64]: " + base64DataKeyId);
clientEncryption.close();

const client = new MongoClient(uri, {
  useNewUrlParser: true,
  useUnifiedTopology: true,
});
await client.connect();
const encryption = new ClientEncryption(client, {
  keyVaultNamespace,
  kmsProviders,
});
const key = await encryption.createDataKey(provider);
console.log("DataKeyId [base64]: ", key.toString("base64"));
await keyVaultClient.close();
await client.close();

key_vault_database = "encryption"
key_vault_collection = "__keyVault"
key_vault_namespace = f"{key_vault_database}.{key_vault_collection}"
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 = client_encryption.create_data_key("local")
base_64_data_key_id = base64.b64encode(data_key_id)
print("DataKeyId [base64]: ", base_64_data_key_id)

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

keyVaultNamespace := "encryption.__keyVault"

String keyVaultNamespace = "encryption.__keyVault";

const keyVaultNamespace = "encryption.__keyVault";

key_vault_namespace = "encryption.__keyVault"

var kmsProviders = new Dictionary<string, IReadOnlyDictionary<string, object>>();
var provider = "local";
var localMasterKeyPath = "master-key.txt";
string 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("local", keyMap);

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

path = "./master-key.txt"
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
    },
}

var keyId = "<Your base64 DEK ID here>";
var schema = new BsonDocument
{
   { "bsonType", "object" },
   {
       "encryptMetadata",
       new BsonDocument("keyId", new BsonArray(new[] { new BsonBinaryData(Convert.FromBase64String(keyId), BsonBinarySubType.UuidStandard) }))
   },
   {
       "properties",
       new BsonDocument
       {
           {
               "ssn", new BsonDocument
               {
                   {
                       "encrypt", new BsonDocument
                       {
                           { "bsonType", "int" },
                           { "algorithm", "AEAD_AES_256_CBC_HMAC_SHA_512-Deterministic" }
                       }
                   }
               }
           },
           {
               "bloodType", new BsonDocument
               {
                   {
                       "encrypt", new BsonDocument
                       {
                           { "bsonType", "string" },
                           { "algorithm", "AEAD_AES_256_CBC_HMAC_SHA_512-Random" }
                       }
                   }
               }
           },
           {
               "medicalRecords", new BsonDocument
               {
                   {
                       "encrypt", new BsonDocument
                       {
                           { "bsonType", "array" },
                           { "algorithm", "AEAD_AES_256_CBC_HMAC_SHA_512-Random" }
                       }
                   }
               }
           },
           {
               "insurance", new BsonDocument
               {
                   { "bsonType", "object" },
                   {
                       "properties", new BsonDocument
                       {
                           {
                               "policyNumber", new BsonDocument
                               {
                                   {
                                       "encrypt", new BsonDocument
                                       {
                                           { "bsonType", "int" },
                                           { "algorithm", "AEAD_AES_256_CBC_HMAC_SHA_512-Deterministic" }
                                       }
                                   }
                               }
                           }
                       }
                   }
               }
           }
       }
   }
};
var schemaMap = new Dictionary<string, BsonDocument>();
schemaMap.Add(dbNamespace, schema);

dek_id := "<Your Base64 DEK ID>"
schema_template := `{
	"bsonType": "object",
	"encryptMetadata": {
		"keyId": [
			{
				"$binary": {
					"base64": "%s",
					"subType": "04"
				}
			}
		]
	},
	"properties": {
		"insurance": {
			"bsonType": "object",
			"properties": {
				"policyNumber": {
					"encrypt": {
						"bsonType": "int",
						"algorithm": "AEAD_AES_256_CBC_HMAC_SHA_512-Deterministic"
					}
				}
			}
		},
		"medicalRecords": {
			"encrypt": {
				"bsonType": "array",
				"algorithm": "AEAD_AES_256_CBC_HMAC_SHA_512-Random"
			}
		},
		"bloodType": {
			"encrypt": {
				"bsonType": "string",
				"algorithm": "AEAD_AES_256_CBC_HMAC_SHA_512-Random"
			}
		},
		"ssn": {
			"encrypt": {
				"bsonType": "int",
				"algorithm": "AEAD_AES_256_CBC_HMAC_SHA_512-Deterministic"
			}
		}
	}
}`
schema := fmt.Sprintf(schema_template, dek_id)
var schemaDoc bson.Raw
if err := bson.UnmarshalExtJSON([]byte(schema), true, &schemaDoc); err != nil {
	return fmt.Errorf("UnmarshalExtJSON error: %v", err)
}
schemaMap := map[string]interface{}{
	dbName + "." + collName: schemaDoc,
}

String dekId = "<paste-base-64-encoded-data-encryption-key-id>>";
Document jsonSchema = new Document().append("bsonType", "object").append("encryptMetadata",
        new Document().append("keyId", new ArrayList<>((Arrays.asList(new Document().append("$binary", new Document()
                .append("base64", dekId)
                .append("subType", "04")))))))
        .append("properties", new Document()
                .append("ssn", new Document().append("encrypt", new Document()
                        .append("bsonType", "int")
                        .append("algorithm", "AEAD_AES_256_CBC_HMAC_SHA_512-Deterministic")))
                .append("bloodType", new Document().append("encrypt", new Document()
                        .append("bsonType", "string")
                        .append("algorithm", "AEAD_AES_256_CBC_HMAC_SHA_512-Random")))
                .append("medicalRecords", new Document().append("encrypt", new Document()
                        .append("bsonType", "array")
                        .append("algorithm", "AEAD_AES_256_CBC_HMAC_SHA_512-Random")))
                .append("insurance", new Document()
                        .append("bsonType", "object")
                        .append("properties",
                                new Document().append("policyNumber", new Document().append("encrypt", new Document()
                                        .append("bsonType", "int")
                                        .append("algorithm", "AEAD_AES_256_CBC_HMAC_SHA_512-Deterministic"))))));
HashMap<String, BsonDocument> schemaMap = new HashMap<String, BsonDocument>();
schemaMap.put("medicalRecords.patients", BsonDocument.parse(jsonSchema.toJson()));

dataKey = "<Your base64 DEK ID>";
const schema = {
  bsonType: "object",
  encryptMetadata: {
    keyId: [new Binary(Buffer.from(dataKey, "base64"), 4)],
  },
  properties: {
    insurance: {
      bsonType: "object",
      properties: {
        policyNumber: {
          encrypt: {
            bsonType: "int",
            algorithm: "AEAD_AES_256_CBC_HMAC_SHA_512-Deterministic",
          },
        },
      },
    },
    medicalRecords: {
      encrypt: {
        bsonType: "array",
        algorithm: "AEAD_AES_256_CBC_HMAC_SHA_512-Random",
      },
    },
    bloodType: {
      encrypt: {
        bsonType: "string",
        algorithm: "AEAD_AES_256_CBC_HMAC_SHA_512-Random",
      },
    },
    ssn: {
      encrypt: {
        bsonType: "int",
        algorithm: "AEAD_AES_256_CBC_HMAC_SHA_512-Deterministic",
      },
    },
  },
};
var patientSchema = {};
patientSchema[namespace] = schema;

dek_id = b"<paste-base-64-encoded-data-encryption-key-id>"
json_schema = {
    "bsonType": "object",
    "encryptMetadata": {"keyId": [Binary(base64.b64decode(dek_id), UUID_SUBTYPE)]},
    "properties": {
        "insurance": {
            "bsonType": "object",
            "properties": {
                "policyNumber": {
                    "encrypt": {
                        "bsonType": "int",
                        "algorithm": "AEAD_AES_256_CBC_HMAC_SHA_512-Deterministic",
                    }
                }
            },
        },
        "medicalRecords": {
            "encrypt": {
                "bsonType": "array",
                "algorithm": "AEAD_AES_256_CBC_HMAC_SHA_512-Random",
            }
        },
        "bloodType": {
            "encrypt": {
                "bsonType": "string",
                "algorithm": "AEAD_AES_256_CBC_HMAC_SHA_512-Random",
            }
        },
        "ssn": {
            "encrypt": {
                "bsonType": "int",
                "algorithm": "AEAD_AES_256_CBC_HMAC_SHA_512-Deterministic",
            }
        },
    },
}
patient_schema = {"medicalRecords.patients": json_schema}
patient_schema = {"medicalRecords.patients": json_schema}

var mongoBinariesPath = "<Full path to your Automatic Encryption Shared Library>";
var extraOptions = new Dictionary<string, object>()
{
   { "cryptSharedLibPath", mongoBinariesPath },
};

extraOptions := map[string]interface{}{
	"cryptSharedLibPath": "<Full path to your Automatic Encryption Shared Library>",
}

Map<String, Object> extraOptions = new HashMap<String, Object>();
extraOptions.put("cryptSharedLibPath", "<Full path to your Automatic Encryption Shared Library>"));

const extraOptions = {
  cryptSharedLibPath: "<Full path to your Automatic Encryption Shared Library>",
};

extra_options = {
    "cryptSharedLibPath": "<Full path to your Automatic Encryption Shared Library>"
}

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

autoEncryptionOpts := options.AutoEncryption().
	SetKmsProviders(kmsProviders).
	SetKeyVaultNamespace(keyVaultNamespace).
	SetSchemaMap(schemaMap).
	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)
        .schemaMap(schemaMap)
        .extraOptions(extraOptions)
        .build())
    .build();
MongoClient mongoClientSecure = MongoClients.create(clientSettings);

const secureClient = new MongoClient(connectionString, {
  useNewUrlParser: true,
  useUnifiedTopology: true,
  autoEncryption: {
    keyVaultNamespace,
    kmsProviders,
    schemaMap: patientSchema,
    extraOptions: extraOptions,
  },
});

fle_opts = AutoEncryptionOpts(
    kms_providers, key_vault_namespace, schema_map=patient_schema, **extra_options
)
secureClient = MongoClient(connection_string, auto_encryption_opts=fle_opts)