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代码示例

C#

如需了解如何安装和使用 Cloud KMS 客户端库，请参阅 Cloud KMS 客户端库。

如需向 Cloud KMS 进行身份验证，请设置应用默认凭据。如需了解详情，请参阅为本地开发环境设置身份验证。


using Google.Cloud.Kms.V1;
using Google.Protobuf.WellKnownTypes;

public class EnableKeyVersionSample
{
    public CryptoKeyVersion EnableKeyVersion(string projectId = "my-project", string locationId = "us-east1", string keyRingId = "my-key-ring", string keyId = "my-key", string keyVersionId = "123")
    {
        // Create the client.
        KeyManagementServiceClient client = KeyManagementServiceClient.Create();

        // Build the key version.
        CryptoKeyVersion keyVersion = new CryptoKeyVersion
        {
            CryptoKeyVersionName = new CryptoKeyVersionName(projectId, locationId, keyRingId, keyId, keyVersionId),
            State = CryptoKeyVersion.Types.CryptoKeyVersionState.Enabled,
        };

        // Build the update mask.
        FieldMask fieldMask = new FieldMask
        {
            Paths = { "state" },
        };

        // Call the API.
        CryptoKeyVersion result = client.UpdateCryptoKeyVersion(keyVersion, fieldMask);

        // Return the result.
        return result;
    }
}

Go

如需了解如何安装和使用 Cloud KMS 客户端库，请参阅 Cloud KMS 客户端库。

如需向 Cloud KMS 进行身份验证，请设置应用默认凭据。如需了解详情，请参阅为本地开发环境设置身份验证。

import (
	"context"
	"fmt"
	"io"

	kms "cloud.google.com/go/kms/apiv1"
	"cloud.google.com/go/kms/apiv1/kmspb"
	fieldmask "google.golang.org/genproto/protobuf/field_mask"
)

// enableKeyVersion disables the specified key version on Cloud KMS.
func enableKeyVersion(w io.Writer, name string) error {
	// name := "projects/my-project/locations/us-east1/keyRings/my-key-ring/cryptoKeys/my-key/cryptoKeyVersions/123"

	// Create the client.
	ctx := context.Background()
	client, err := kms.NewKeyManagementClient(ctx)
	if err != nil {
		return fmt.Errorf("failed to create kms client: %w", err)
	}
	defer client.Close()

	// Build the request.
	req := &kmspb.UpdateCryptoKeyVersionRequest{
		CryptoKeyVersion: &kmspb.CryptoKeyVersion{
			Name:  name,
			State: kmspb.CryptoKeyVersion_ENABLED,
		},
		UpdateMask: &fieldmask.FieldMask{
			Paths: []string{"state"},
		},
	}

	// Call the API.
	result, err := client.UpdateCryptoKeyVersion(ctx, req)
	if err != nil {
		return fmt.Errorf("failed to update key version: %w", err)
	}
	fmt.Fprintf(w, "Enabled key version: %s\n", result)
	return nil
}

Java

如需了解如何安装和使用 Cloud KMS 客户端库，请参阅 Cloud KMS 客户端库。

如需向 Cloud KMS 进行身份验证，请设置应用默认凭据。如需了解详情，请参阅为本地开发环境设置身份验证。

import com.google.cloud.kms.v1.CryptoKeyVersion;
import com.google.cloud.kms.v1.CryptoKeyVersion.CryptoKeyVersionState;
import com.google.cloud.kms.v1.CryptoKeyVersionName;
import com.google.cloud.kms.v1.KeyManagementServiceClient;
import com.google.protobuf.FieldMask;
import com.google.protobuf.util.FieldMaskUtil;
import java.io.IOException;

public class EnableKeyVersion {

  public void enableKeyVersion() throws IOException {
    // TODO(developer): Replace these variables before running the sample.
    String projectId = "your-project-id";
    String locationId = "us-east1";
    String keyRingId = "my-key-ring";
    String keyId = "my-key";
    String keyVersionId = "123";
    enableKeyVersion(projectId, locationId, keyRingId, keyId, keyVersionId);
  }

  // Enable a disabled key version to be used again.
  public void enableKeyVersion(
      String projectId, String locationId, String keyRingId, String keyId, String keyVersionId)
      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 key version name from the project, location, key ring, key,
      // and key version.
      CryptoKeyVersionName keyVersionName =
          CryptoKeyVersionName.of(projectId, locationId, keyRingId, keyId, keyVersionId);

      // Build the updated key version, setting it to enabled.
      CryptoKeyVersion keyVersion =
          CryptoKeyVersion.newBuilder()
              .setName(keyVersionName.toString())
              .setState(CryptoKeyVersionState.ENABLED)
              .build();

      // Create a field mask of updated values.
      FieldMask fieldMask = FieldMaskUtil.fromString("state");

      // Enable the key version.
      CryptoKeyVersion response = client.updateCryptoKeyVersion(keyVersion, fieldMask);
      System.out.printf("Enabled key version: %s%n", response.getName());
    }
  }
}

Node.js

如需了解如何安装和使用 Cloud KMS 客户端库，请参阅 Cloud KMS 客户端库。

如需向 Cloud KMS 进行身份验证，请设置应用默认凭据。如需了解详情，请参阅为本地开发环境设置身份验证。

//
// TODO(developer): Uncomment these variables before running the sample.
//
// const projectId = 'my-project';
// const locationId = 'us-east1';
// const keyRingId = 'my-key-ring';
// const keyId = 'my-key';
// const versionId = '123';

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

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

// Build the key version name
const versionName = client.cryptoKeyVersionPath(
  projectId,
  locationId,
  keyRingId,
  keyId,
  versionId
);

async function enableKeyVersion() {
  const [version] = await client.updateCryptoKeyVersion({
    cryptoKeyVersion: {
      name: versionName,
      state: 'ENABLED',
    },
    updateMask: {
      paths: ['state'],
    },
  });

  console.log(`Enabled key version: ${version.name}`);
  return version;
}

return enableKeyVersion();

PHP

如需了解如何安装和使用 Cloud KMS 客户端库，请参阅 Cloud KMS 客户端库。

如需向 Cloud KMS 进行身份验证，请设置应用默认凭据。如需了解详情，请参阅为本地开发环境设置身份验证。

use Google\Cloud\Kms\V1\Client\KeyManagementServiceClient;
use Google\Cloud\Kms\V1\CryptoKeyVersion;
use Google\Cloud\Kms\V1\CryptoKeyVersion\CryptoKeyVersionState;
use Google\Cloud\Kms\V1\UpdateCryptoKeyVersionRequest;
use Google\Protobuf\FieldMask;

function enable_key_version(
    string $projectId = 'my-project',
    string $locationId = 'us-east1',
    string $keyRingId = 'my-key-ring',
    string $keyId = 'my-key',
    string $versionId = '123'
): CryptoKeyVersion {
    // Create the Cloud KMS client.
    $client = new KeyManagementServiceClient();

    // Build the key version name.
    $keyVersionName = $client->cryptoKeyVersionName($projectId, $locationId, $keyRingId, $keyId, $versionId);

    // Create the updated version.
    $keyVersion = (new CryptoKeyVersion())
        ->setName($keyVersionName)
        ->setState(CryptoKeyVersionState::ENABLED);

    // Create the field mask.
    $updateMask = (new FieldMask())
        ->setPaths(['state']);

    // Call the API.
    $updateCryptoKeyVersionRequest = (new UpdateCryptoKeyVersionRequest())
        ->setCryptoKeyVersion($keyVersion)
        ->setUpdateMask($updateMask);
    $enabledVersion = $client->updateCryptoKeyVersion($updateCryptoKeyVersionRequest);
    printf('Enabled key version: %s' . PHP_EOL, $enabledVersion->getName());

    return $enabledVersion;
}

Python

如需了解如何安装和使用 Cloud KMS 客户端库，请参阅 Cloud KMS 客户端库。

如需向 Cloud KMS 进行身份验证，请设置应用默认凭据。如需了解详情，请参阅为本地开发环境设置身份验证。

from google.cloud import kms


def enable_key_version(
    project_id: str, location_id: str, key_ring_id: str, key_id: str, version_id: str
) -> kms.CryptoKeyVersion:
    """
    Enable a key.

    Args:
        project_id (string): Google Cloud project ID (e.g. 'my-project').
        location_id (string): Cloud KMS location (e.g. 'us-east1').
        key_ring_id (string): ID of the Cloud KMS key ring (e.g. 'my-key-ring').
        key_id (string): ID of the key to use (e.g. 'my-key').
        version_id (string): ID of the key version to enable (e.g. '1').

    Returns:
        CryptoKeyVersion: The version.

    """
    # Create the client.
    client = kms.KeyManagementServiceClient()

    # Build the key version name.
    key_version_name = client.crypto_key_version_path(
        project_id, location_id, key_ring_id, key_id, version_id
    )

    key_version = {
        "name": key_version_name,
        "state": kms.CryptoKeyVersion.CryptoKeyVersionState.ENABLED,
    }

    # Build the update mask.
    update_mask = {"paths": ["state"]}

    # Call the API.
    enabled_version = client.update_crypto_key_version(
        request={"crypto_key_version": key_version, "update_mask": update_mask}
    )
    print(f"Enabled key version: {enabled_version.name}")
    return enabled_version

Ruby

如需了解如何安装和使用 Cloud KMS 客户端库，请参阅 Cloud KMS 客户端库。

如需向 Cloud KMS 进行身份验证，请设置应用默认凭据。如需了解详情，请参阅为本地开发环境设置身份验证。

# TODO(developer): uncomment these values before running the sample.
# project_id  = "my-project"
# location_id = "us-east1"
# key_ring_id = "my-key-ring"
# key_id      = "my-key"
# version_id  = "123"

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

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

# Build the key version name.
key_version_name = client.crypto_key_version_path project:            project_id,
                                                  location:           location_id,
                                                  key_ring:           key_ring_id,
                                                  crypto_key:         key_id,
                                                  crypto_key_version: version_id

# Create the updated version.
version = {
  name:  key_version_name,
  state: :ENABLED
}

# Create the field mask.
update_mask = { paths: ["state"] }

# Call the API.
enabled_version = client.update_crypto_key_version crypto_key_version: version, update_mask: update_mask
puts "Enabled key version: #{enabled_version.name}"

后续步骤

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