Cloud KMS 客户端库

本页面介绍如何开始使用 Cloud Key Management Service API 的 Cloud 客户端库。通过客户端库，您可以更轻松地使用支持的语言访问 Google Cloud API。虽然您可以通过向服务器发出原始请求来直接使用 Google Cloud API，但客户端库可实现简化，从而显著减少您需要编写的代码量。

请参阅客户端库说明，详细了解 Cloud 客户端库和旧版 Google API 客户端库。

安装客户端库

C++

如需详细了解此客户端库的要求和安装依赖项，请参阅设置 C++ 开发环境。

C#

使用 PowerShell 或 Visual Studio Package Manager Console：

Install-Package "Google.Cloud.Kms.V1" -Version "2.0.0-beta03"

使用 dotnet CLI：

dotnet add package "Google.Cloud.Kms.V1" -Version "2.0.0-beta03"

如需了解详情，请参阅设置 C# 开发环境。

Go

go get "cloud.google.com/go/kms/apiv1"

如需了解详情，请参阅设置 Go 开发环境。

Java

If you are using Maven, add the following to your pom.xml file. For more information about BOMs, see The Google Cloud Platform Libraries BOM.

<dependencyManagement>
  <dependencies>
    <dependency>
      <groupId>com.google.cloud</groupId>
      <artifactId>libraries-bom</artifactId>
      <version>26.47.0</version>
      <type>pom</type>
      <scope>import</scope>
    </dependency>
  </dependencies>
</dependencyManagement>

<dependencies>
  <dependency>
    <groupId>com.google.cloud</groupId>
    <artifactId>google-cloud-kms</artifactId>
  </dependency>
</dependencies>

If you are using Gradle, add the following to your dependencies:

implementation 'com.google.cloud:google-cloud-kms:2.54.0'

If you are using sbt, add the following to your dependencies:

libraryDependencies += "com.google.cloud" % "google-cloud-kms" % "2.54.0"

If you're using Visual Studio Code, IntelliJ, or Eclipse, you can add client libraries to your project using the following IDE plugins:

• Cloud Code for VS Code
• Cloud Code for IntelliJ
• Cloud Tools for Eclipse

The plugins provide additional functionality, such as key management for service accounts. Refer to each plugin's documentation for details.

Note: Cloud Java client libraries do not currently support Android.

如需了解详情，请参阅设置 Java 开发环境。

Node.js

npm install --save "@google-cloud/kms"

如需了解详情，请参阅设置 Node.js 开发环境。

PHP

composer require "google/cloud-kms"

如需了解详情，请参阅在 Google Cloud 上使用 PHP。

Python

pip install --upgrade "google-cloud-kms"

如需了解详情，请参阅设置 Python 开发环境。

Ruby

gem install "google-cloud-kms"

如需了解详情，请参阅设置 Ruby 开发环境。

设置身份验证

为了对 Google Cloud API 的调用进行身份验证，客户端库支持应用默认凭据 (ADC)；这些库会在一组指定的位置查找凭据，并使用这些凭据对发送到 API 的请求进行身份验证。借助 ADC，您可以在各种环境（例如本地开发或生产环境）中为您的应用提供凭据，而无需修改应用代码。

对于生产环境，设置 ADC 的方式取决于服务和上下文。如需了解详情，请参阅设置应用默认凭据。

对于本地开发环境，您可以使用与您的 Google 账号关联的凭据设置 ADC：

1. Install the Google Cloud CLI, then initialize it by running the following command:

   gcloud init

2. If you're using a local shell, then create local authentication credentials for your user account:

   gcloud auth application-default login

   You don't need to do this if you're using Cloud Shell.

   登录屏幕随即出现。在您登录后，您的凭据会存储在 ADC 使用的本地凭据文件中。

使用客户端库

以下示例展示了如何使用客户端库。

C++

#include "google/cloud/kms/v1/key_management_client.h"
#include "google/cloud/location.h"
#include <iostream>

int main(int argc, char* argv[]) try {
  if (argc != 3) {
    std::cerr << "Usage: " << argv[0] << " project-id location-id\n";
    return 1;
  }

  auto const location = google::cloud::Location(argv[1], argv[2]);

  namespace kms = ::google::cloud::kms_v1;
  auto client = kms::KeyManagementServiceClient(
      kms::MakeKeyManagementServiceConnection());

  for (auto kr : client.ListKeyRings(location.FullName())) {
    if (!kr) throw std::move(kr).status();
    std::cout << kr->DebugString() << "\n";
  }

  return 0;
} catch (google::cloud::Status const& status) {
  std::cerr << "google::cloud::Status thrown: " << status << "\n";
  return 1;
}

C#

using Google.Api.Gax.ResourceNames;
using Google.Cloud.Kms.V1;

public class QuickstartSample
{
    public void Quickstart(string projectId = "my-project", string locationId = "us-east1")
    {
        // Create a Cloud KMS client.
        KeyManagementServiceClient client = KeyManagementServiceClient.Create();

        // Build the parent location name.
        LocationName locationName = new LocationName(projectId, locationId);

        // Iterate over and print each key ring name;
        foreach (KeyRing keyRing in client.ListKeyRings(locationName))
        {
            // ... (e.g. keyRing.Name)
        }
    }
}

Go

// Sample quickstart is a basic program that uses Cloud KMS.
package main

import (
	"context"
	"fmt"
	"log"

	kms "cloud.google.com/go/kms/apiv1"
	"cloud.google.com/go/kms/apiv1/kmspb"
	"google.golang.org/api/iterator"
)

func main() {
	// GCP project with which to communicate.
	projectID := "your-project-id"

	// Location in which to list key rings.
	locationID := "global"

	// Create the client.
	ctx := context.Background()
	client, err := kms.NewKeyManagementClient(ctx)
	if err != nil {
		log.Fatalf("failed to setup client: %v", err)
	}
	defer client.Close()

	// Create the request to list KeyRings.
	listKeyRingsReq := &kmspb.ListKeyRingsRequest{
		Parent: fmt.Sprintf("projects/%s/locations/%s", projectID, locationID),
	}

	// List the KeyRings.
	it := client.ListKeyRings(ctx, listKeyRingsReq)

	// Iterate and print the results.
	for {
		resp, err := it.Next()
		if err == iterator.Done {
			break
		}
		if err != nil {
			log.Fatalf("Failed to list key rings: %v", err)
		}

		fmt.Printf("key ring: %s\n", resp.Name)
	}
}

Java

import com.google.cloud.kms.v1.KeyManagementServiceClient;
import com.google.cloud.kms.v1.KeyManagementServiceClient.ListKeyRingsPagedResponse;
import com.google.cloud.kms.v1.KeyRing;
import com.google.cloud.kms.v1.LocationName;
import java.io.IOException;

public class Quickstart {

  public void quickstart() throws IOException {
    // TODO(developer): Replace these variables before running the sample.
    String projectId = "your-project-id";
    String locationId = "us-east1";
    quickstart(projectId, locationId);
  }

  public void quickstart(String projectId, String locationId) throws IOException {
    // Initialize client that will be used to send requests. This client only
    // needs to be created once, and can be reused for multiple requests. After
    // completing all of your requests, call the "close" method on the client to
    // safely clean up any remaining background resources.
    try (KeyManagementServiceClient client = KeyManagementServiceClient.create()) {
      // Build the parent from the project and location.
      LocationName parent = LocationName.of(projectId, locationId);

      // Call the API.
      ListKeyRingsPagedResponse response = client.listKeyRings(parent);

      // Iterate over each key ring and print its name.
      System.out.println("key rings:");
      for (KeyRing keyRing : response.iterateAll()) {
        System.out.printf("%s%n", keyRing.getName());
      }
    }
  }
}

Node.js

//
// TODO(developer): Uncomment these variables before running the sample.
//
// const projectId = 'my-project';
// const locationId = 'us-east1';

// Imports the Cloud KMS library
const {KeyManagementServiceClient} = require('@google-cloud/kms');

// Instantiates a client
const client = new KeyManagementServiceClient();

// Build the location name
const locationName = client.locationPath(projectId, locationId);

async function listKeyRings() {
  const [keyRings] = await client.listKeyRings({
    parent: locationName,
  });

  for (const keyRing of keyRings) {
    console.log(keyRing.name);
  }

  return keyRings;
}

return listKeyRings();

PHP

use Google\Cloud\Kms\V1\Client\KeyManagementServiceClient;
use Google\Cloud\Kms\V1\ListKeyRingsRequest;

function quickstart(
    string $projectId = 'my-project',
    string $locationId = 'us-east1'
) {
    // Create the Cloud KMS client.
    $client = new KeyManagementServiceClient();

    // Build the parent location name.
    $locationName = $client->locationName($projectId, $locationId);

    // Call the API.
    $listKeyRingsRequest = (new ListKeyRingsRequest())
        ->setParent($locationName);
    $keyRings = $client->listKeyRings($listKeyRingsRequest);

    // Example of iterating over key rings.
    printf('Key rings in %s:' . PHP_EOL, $locationName);
    foreach ($keyRings as $keyRing) {
        printf('%s' . PHP_EOL, $keyRing->getName());
    }

    return $keyRings;
}

Python

from google.cloud import kms
from google.cloud import kms_v1


def quickstart(
    project_id: str, location_id: str
) -> kms_v1.services.key_management_service.pagers.ListKeyRingsPager:
    # Create the client.
    client = kms.KeyManagementServiceClient()

    # Build the parent location name.
    location_name = f"projects/{project_id}/locations/{location_id}"

    # Call the API.
    key_rings = client.list_key_rings(request={"parent": location_name})

    # Example of iterating over key rings.
    for key_ring in key_rings:
        print(key_ring.name)

    return key_rings

Ruby

# TODO(developer): uncomment these values before running the sample.
# project_id  = "my-project"
# location_id = "us-east1"

# Require the library.
require "google/cloud/kms"

# Create the client.
client = Google::Cloud::Kms.key_management_service

# Build the parent location name.
location_name = client.location_path project: project_id, location: location_id

# Call the API.
key_rings = client.list_key_rings parent: location_name

# Example of iterating over key rings.
puts "Key rings in #{location_name}"
key_rings.each do |key_ring|
  puts key_ring.name
end

后续步骤

了解如何以编程方式加密和解密数据。

• 使用对称密钥加密和解密数据
• 使用非对称密钥加密和解密数据

其他资源

C++

以下列表包含与 C++ 版客户端库相关的更多资源的链接：

• API 参考文档
• 客户端库最佳做法
• 问题跟踪器
• Stack Overflow 上的 google-cloud-kms
• 源代码

C#

以下列表包含与 C# 版客户端库相关的更多资源的链接：

• API 参考文档
• 客户端库最佳做法
• 问题跟踪器
• Stack Overflow 上的 google-cloud-kms
• 源代码

Go

以下列表包含与 Go 版客户端库相关的更多资源的链接：

• API 参考文档
• 客户端库最佳做法
• 问题跟踪器
• Stack Overflow 上的 google-cloud-kms
• 源代码

Java

以下列表包含与 Java 版客户端库相关的更多资源的链接：

• API 参考文档
• 客户端库最佳做法
• 问题跟踪器
• Stack Overflow 上的 google-cloud-kms
• 源代码

Node.js

以下列表包含与 Node.js 版客户端库相关的更多资源的链接：

• API 参考文档
• 客户端库最佳做法
• 问题跟踪器
• Stack Overflow 上的 google-cloud-kms
• 源代码

PHP

以下列表包含与 PHP 版客户端库相关的更多资源的链接：

• API 参考文档
• 客户端库最佳做法
• 问题跟踪器
• Stack Overflow 上的 google-cloud-kms
• 源代码

Python

以下列表包含与 Python 版客户端库相关的更多资源的链接：

• API 参考文档
• 客户端库最佳做法
• 问题跟踪器
• Stack Overflow 上的 google-cloud-kms
• 源代码

Ruby

以下列表包含与 Ruby 版客户端库相关的更多资源的链接：

• API 参考文档
• 客户端库最佳做法
• 问题跟踪器
• Stack Overflow 上的 google-cloud-kms
• 源代码