Use o Queryable Encryption com o Azure

kmsProviderCredentials = {
  azure: {
    tenantId: process.env["AZURE_TENANT_ID"], // Your Azure tenant ID
    clientId: process.env["AZURE_CLIENT_ID"], // Your Azure client ID
    clientSecret: process.env["AZURE_CLIENT_SECRET"], // Your Azure client secret
  },
};

var kmsProviderCredentials = new Dictionary<string, IReadOnlyDictionary<string, object>>();
var kmsOptions = new Dictionary<string, object>
{
    { "tenantId", _appSettings["Azure:TenantId"] }, // Your Azure tenant ID
    { "clientId", _appSettings["Azure:ClientId"] }, // Your Azure client ID
    { "clientSecret", _appSettings["Azure:ClientSecret"] } // Your Azure client secret
};
kmsProviderCredentials.Add(kmsProvider, kmsOptions);

kmsProviderCredentials := map[string]map[string]interface{}{
	"azure": {
		"tenantId":     os.Getenv("AZURE_TENANT_ID"),     // Azure tenant ID
		"clientId":     os.Getenv("AZURE_CLIENT_ID"),     // Azure client ID
		"clientSecret": os.Getenv("AZURE_CLIENT_SECRET"), // Azure client secret
	},
}

Map<String, Object> kmsProviderDetails = new HashMap<>();
kmsProviderDetails.put("tenantId", getEnv("AZURE_TENANT_ID")); // Your Azure tenant ID
kmsProviderDetails.put("clientId", getEnv("AZURE_CLIENT_ID")); // Your Azure client ID
kmsProviderDetails.put("clientSecret", getEnv("AZURE_CLIENT_SECRET")); // Your Azure client secret
Map<String, Map<String, Object>> kmsProviderCredentials = new HashMap<String, Map<String, Object>>();
kmsProviderCredentials.put("azure", kmsProviderDetails);

kmsProviders = {
  azure: {
    tenantId: process.env.AZURE_TENANT_ID, // Your Azure tenant ID
    clientId: process.env.AZURE_CLIENT_ID, // Your Azure client ID
    clientSecret: process.env.AZURE_CLIENT_SECRET, // Your Azure client secret
  },
};

kms_provider_credentials = {
    "azure": {
        "tenantId": os.environ['AZURE_TENANT_ID'], # Your Azure tenant ID
        "clientId": os.environ['AZURE_CLIENT_ID'], # Your Azure client ID
        "clientSecret": os.environ['AZURE_CLIENT_SECRET'] # Your Azure client secret
    }
}

customerMasterKeyCredentials = {
  keyVaultEndpoint: process.env["AZURE_KEY_VAULT_ENDPOINT"], // Your Azure Key Vault Endpoint
  keyName: process.env["AZURE_KEY_NAME"], // Your Azure Key Name
};

var customerMasterKeyCredentials = new BsonDocument
{
    { "keyVaultEndpoint", _appSettings["Azure:KeyVaultEndpoint"] }, // Your Azure Key Vault Endpoint
    { "keyName", _appSettings["Azure:KeyName"] } // Your Azure Key Name
};

customerMasterKeyCredentials := map[string]string{
	"keyVaultEndpoint": os.Getenv("AZURE_KEY_VAULT_ENDPOINT"), // Your Azure Key Vault Endpoint
	"keyName":          os.Getenv("AZURE_KEY_NAME"),           // Your Azure Key Name
}

BsonDocument customerMasterKeyCredentials = new BsonDocument();
customerMasterKeyCredentials.put("provider", new BsonString(kmsProviderName));
customerMasterKeyCredentials.put("keyName", new BsonString(getEnv("AZURE_KEY_NAME"))); // Your Azure Key Vault Endpoint
customerMasterKeyCredentials.put("keyVaultEndpoint", new BsonString(getEnv("AZURE_KEY_VAULT_ENDPOINT"))); // Your Azure Key Name

customerMasterKeyCredentials = {
  keyVaultEndpoint: process.env.AZURE_KEY_VAULT_ENDPOINT, // Your Azure Key Vault Endpoint
  keyName: process.env.AZURE_KEY_NAME, // Your Azure Key Name
};

customer_master_key_credentials = {
    "keyName": os.environ['AZURE_KEY_NAME'], # Your Azure key name
    "keyVaultEndpoint": os.environ['AZURE_KEY_VAULT_ENDPOINT'] # Your Azure key vault endpoint
}

const autoEncryptionOptions = {
  keyVaultNamespace: keyVaultNamespace,
  kmsProviders: kmsProviderCredentials,
};

var extraOptions = new Dictionary<string, object>
{
    { "cryptSharedLibPath", _appSettings["CryptSharedLibPath"] } // Path to your Automatic Encryption Shared Library
};
var autoEncryptionOptions = new AutoEncryptionOptions(
    keyVaultNamespace,
    kmsProviderCredentials,
    extraOptions: extraOptions);

cryptSharedLibraryPath := map[string]interface{}{
	"cryptSharedLibPath": os.Getenv("SHARED_LIB_PATH"), // Path to your Automatic Encryption Shared Library
}
autoEncryptionOptions := options.AutoEncryption().
	SetKeyVaultNamespace(keyVaultNamespace).
	SetKmsProviders(kmsProviderCredentials).
	SetExtraOptions(cryptSharedLibraryPath)

Map<String, Object> extraOptions = new HashMap<String, Object>();
extraOptions.put("cryptSharedLibPath", getEnv("SHARED_LIB_PATH")); // Path to your Automatic Encryption Shared Library
AutoEncryptionSettings autoEncryptionSettings = AutoEncryptionSettings.builder()
        .keyVaultNamespace(keyVaultNamespace)
        .kmsProviders(kmsProviderCredentials)
        .extraOptions(extraOptions)
        .build();

const extraOptions = {
  cryptSharedLibPath: process.env.SHARED_LIB_PATH, // Path to your Automatic Encryption Shared Library
};
const autoEncryptionOptions = {
  keyVaultNamespace,
  kmsProviders,
  extraOptions,
};

auto_encryption_options = AutoEncryptionOpts(
    kms_provider_credentials,
    key_vault_namespace,
    crypt_shared_lib_path=os.environ['SHARED_LIB_PATH'] # Path to your Automatic Encryption Shared Library>
)

const encryptedClient = Mongo(uri, autoEncryptionOptions);

var clientSettings = MongoClientSettings.FromConnectionString(uri);
clientSettings.AutoEncryptionOptions = qeHelpers.GetAutoEncryptionOptions(
    keyVaultNamespace,
    kmsProviderCredentials);
var encryptedClient = new MongoClient(clientSettings);

encryptedClient, err := mongo.Connect(
	context.TODO(),
	options.Client().ApplyURI(uri).SetAutoEncryptionOptions(autoEncryptionOptions),
)
if err != nil {
	panic(fmt.Sprintf("Unable to connect to MongoDB: %v\n", err))
}
defer func() {
	_ = encryptedClient.Disconnect(context.TODO())
}()

MongoClientSettings clientSettings = MongoClientSettings.builder()
        .applyConnectionString(new ConnectionString(uri))
        .autoEncryptionSettings(autoEncryptionSettings)
        .build();
try (MongoClient encryptedClient = MongoClients.create(clientSettings)) {

const encryptedClient = new MongoClient(uri, {
  autoEncryption: autoEncryptionOptions,
});

encrypted_client = MongoClient(
    uri, auto_encryption_opts=auto_encryption_options)

const encryptedFieldsMap = {
  encryptedFields: {
    fields: [
      {
        path: "patientRecord.ssn",
        bsonType: "string",
        queries: { queryType: "equality" },
      },
      {
        path: "patientRecord.billing",
        bsonType: "object",
      },
    ],
  },
};

var encryptedFields = new BsonDocument
{
    {
        "fields", new BsonArray
        {
            new BsonDocument
            {
                { "keyId", BsonNull.Value },
                { "path", "record.ssn" },
                { "bsonType", "string" },
                { "queries", new BsonDocument("queryType", "equality") }
            },
            new BsonDocument
            {
                { "keyId", BsonNull.Value },
                { "path", "record.billing" },
                { "bsonType", "object" }
            }
        }
    }
};

encryptedFieldsMap := bson.M{
	"fields": []bson.M{
		bson.M{
			"keyId":    nil,
			"path":     "patientRecord.ssn",
			"bsonType": "string",
			"queries": []bson.M{
				{
					"queryType": "equality",
				},
			},
		},
		bson.M{
			"keyId":    nil,
			"path":     "patientRecord.billing",
			"bsonType": "object",
		},
	},
}

BsonDocument encryptedFieldsMap = new BsonDocument().append("fields",
        new BsonArray(Arrays.asList(
                new BsonDocument()
                        .append("keyId", new BsonNull())
                        .append("path", new BsonString("patientRecord.ssn"))
                        .append("bsonType", new BsonString("string"))
                        .append("queries", new BsonDocument()
                                .append("queryType", new BsonString("equality"))),
                new BsonDocument()
                        .append("keyId", new BsonNull())
                        .append("path", new BsonString("patientRecord.billing"))
                        .append("bsonType", new BsonString("object")))));

const encryptedFieldsMap = {
  encryptedFields: {
    fields: [
      {
        path: "patientRecord.ssn",
        bsonType: "string",
        queries: { queryType: "equality" },
      },
      {
        path: "patientRecord.billing",
        bsonType: "object",
      },
    ],
  },
};

encrypted_fields_map = {
    "fields": [
        {
            "path": "patientRecord.ssn",
            "bsonType": "string",
            "queries": [{"queryType": "equality"}]
        },
        {
            "path": "patientRecord.billing",
            "bsonType": "object",
        }
    ]
}

const clientEncryption = encryptedClient.getClientEncryption()

var clientEncryptionOptions = new ClientEncryptionOptions(
    keyVaultClient: keyVaultClient,
    keyVaultNamespace: keyVaultNamespace,
    kmsProviders: kmsProviderCredentials
);
var clientEncryption = new ClientEncryption(clientEncryptionOptions);

opts := options.ClientEncryption().
	SetKeyVaultNamespace(keyVaultNamespace).
	SetKmsProviders(kmsProviderCredentials)
clientEncryption, err := mongo.NewClientEncryption(encryptedClient, opts)
if err != nil {
	panic(fmt.Sprintf("Unable to create a ClientEncryption instance due to the following error: %s\n", err))
}

ClientEncryptionSettings clientEncryptionSettings = ClientEncryptionSettings.builder()
        .keyVaultMongoClientSettings(MongoClientSettings.builder()
                .applyConnectionString(new ConnectionString(uri))
                .build())
        .keyVaultNamespace(keyVaultNamespace)
        .kmsProviders(kmsProviderCredentials)
        .build();
ClientEncryption clientEncryption = ClientEncryptions.create(clientEncryptionSettings);

const clientEncryption = new ClientEncryption(encryptedClient, autoEncryptionOptions);

client_encryption = ClientEncryption(
    kms_providers=kms_provider_credentials,
    key_vault_namespace=key_vault_namespace,
    key_vault_client=encrypted_client,
    codec_options=CodecOptions(uuid_representation=STANDARD)
)

await clientEncryption.createEncryptedCollection(
  encryptedDatabaseName,
  encryptedCollectionName,
  {
    provider: kmsProviderName,
    createCollectionOptions: encryptedFieldsMap,
    masterKey: customerMasterKeyCredentials,
  }
);

using MongoDB.Bson;
using MongoDB.Bson.Serialization.Attributes;
[BsonIgnoreExtraElements]
public class Patient
{
    public ObjectId Id { get; set; }
    public string Name { get; set; }
    public PatientRecord Record { get; set; }
}

public class PatientRecord
{
    public string Ssn { get; set; }
    public PatientBilling Billing { get; set; }
}

public class PatientBilling
{
    public string CardType { get; set; }
    public long CardNumber { get; set; }
}

var createCollectionOptions = new CreateCollectionOptions<Patient>
{
    EncryptedFields = encryptedFields
};
clientEncryption.CreateEncryptedCollection(patientDatabase,
    encryptedCollectionName,
    createCollectionOptions,
    kmsProviderName,
    customerMasterKeyCredentials);

type PatientDocument struct {
	PatientName   string        `bson:"patientName"`
	PatientID     int32         `bson:"patientId"`
	PatientRecord PatientRecord `bson:"patientRecord"`
}

type PatientRecord struct {
	SSN     string      `bson:"ssn"`
	Billing PaymentInfo `bson:"billing"`
}

type PaymentInfo struct {
	Type   string `bson:"type"`
	Number string `bson:"number"`
}

createCollectionOptions := options.CreateCollection().SetEncryptedFields(encryptedFieldsMap)
_, _, err =
	clientEncryption.CreateEncryptedCollection(
		context.TODO(),
		encryptedClient.Database(encryptedDatabaseName),
		encryptedCollectionName,
		createCollectionOptions,
		kmsProviderName,
		customerMasterKey,
	)

CreateCollectionOptions createCollectionOptions = new CreateCollectionOptions().encryptedFields(encryptedFieldsMap);
CreateEncryptedCollectionParams encryptedCollectionParams = new CreateEncryptedCollectionParams(kmsProviderName);
encryptedCollectionParams.masterKey(customerMasterKeyCredentials);
try {
    clientEncryption.createEncryptedCollection(
            encryptedClient.getDatabase(encryptedDatabaseName),
            encryptedCollectionName,
            createCollectionOptions,
            encryptedCollectionParams);
} 

await clientEncryption.createEncryptedCollection(
  encryptedDatabase,
  encryptedCollectionName,
  {
    provider: kmsProviderName,
    createCollectionOptions: encryptedFieldsMap,
    masterKey: customerMasterKeyCredentials,
  }
);

client_encryption.create_encrypted_collection(
    encrypted_client[encrypted_database_name],
    encrypted_collection_name,
    encrypted_fields_map,
    kms_provider_name,
    customer_master_key_credentials,
)