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코드 샘플

Go

Cloud KMS용 클라이언트 라이브러리를 설치하고 사용하는 방법은 Cloud KMS 클라이언트 라이브러리를 참조하세요.

Cloud KMS에 인증하려면 애플리케이션 기본 사용자 인증 정보를 설정합니다. 자세한 내용은 로컬 개발 환경의 인증 설정을 참조하세요. 

import (
	"context"
	"fmt"
	"io"

	kms "cloud.google.com/go/kms/apiv1"
	"cloud.google.com/go/kms/apiv1/kmspb"
)

// createKeyForImport creates a new asymmetric signing key in Cloud HSM.
func createKeyForImport(w io.Writer, parent, id string) error {
	// parent := "projects/my-project/locations/us-east1/keyRings/my-key-ring"
	// id := "my-imported-key"

	// 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.CreateCryptoKeyRequest{
		Parent:      parent,
		CryptoKeyId: id,
		CryptoKey: &kmspb.CryptoKey{
			Purpose: kmspb.CryptoKey_ASYMMETRIC_SIGN,
			VersionTemplate: &kmspb.CryptoKeyVersionTemplate{
				ProtectionLevel: kmspb.ProtectionLevel_HSM,
				Algorithm:       kmspb.CryptoKeyVersion_EC_SIGN_P256_SHA256,
			},
			// Ensure that only imported versions may be added to this key.
			ImportOnly: true,
		},
		SkipInitialVersionCreation: true,
	}

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

Java

Cloud KMS용 클라이언트 라이브러리를 설치하고 사용하는 방법은 Cloud KMS 클라이언트 라이브러리를 참조하세요.

Cloud KMS에 인증하려면 애플리케이션 기본 사용자 인증 정보를 설정합니다. 자세한 내용은 로컬 개발 환경의 인증 설정을 참조하세요. 

import com.google.cloud.kms.v1.CreateCryptoKeyRequest;
import com.google.cloud.kms.v1.CryptoKey;
import com.google.cloud.kms.v1.CryptoKey.CryptoKeyPurpose;
import com.google.cloud.kms.v1.CryptoKeyVersion.CryptoKeyVersionAlgorithm;
import com.google.cloud.kms.v1.CryptoKeyVersionTemplate;
import com.google.cloud.kms.v1.KeyManagementServiceClient;
import com.google.cloud.kms.v1.KeyRingName;
import com.google.cloud.kms.v1.ProtectionLevel;
import java.io.IOException;

public class CreateKeyForImport {

  public void createKeyForImport() 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 id = "my-import-key";
    createKeyForImport(projectId, locationId, keyRingId, id);
  }

  // Create a new crypto key to hold imported key versions.
  public void createKeyForImport(String projectId, String locationId, String keyRingId, String id)
      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 name from the project, location, and key ring.
      KeyRingName keyRingName = KeyRingName.of(projectId, locationId, keyRingId);

      // Create the crypto key.
      CryptoKey createdKey =
          client.createCryptoKey(
              CreateCryptoKeyRequest.newBuilder()
                  .setParent(keyRingName.toString())
                  .setCryptoKeyId(id)
                  .setCryptoKey(
                      CryptoKey.newBuilder()
                          .setPurpose(CryptoKeyPurpose.ASYMMETRIC_SIGN)
                          .setVersionTemplate(
                              CryptoKeyVersionTemplate.newBuilder()
                                  .setProtectionLevel(ProtectionLevel.HSM)
                                  .setAlgorithm(CryptoKeyVersionAlgorithm.EC_SIGN_P256_SHA256))
                          // Ensure that only imported versions may be
                          // added to this key.
                          .setImportOnly(true))
                  .setSkipInitialVersionCreation(true)
                  .build());

      System.out.printf("Created crypto key %s%n", createdKey.getName());
    }
  }
}

Node.js

Cloud KMS용 클라이언트 라이브러리를 설치하고 사용하는 방법은 Cloud KMS 클라이언트 라이브러리를 참조하세요.

Cloud KMS에 인증하려면 애플리케이션 기본 사용자 인증 정보를 설정합니다. 자세한 내용은 로컬 개발 환경의 인증 설정을 참조하세요. 

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

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

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

// Build the parent key ring name
const keyRingName = client.keyRingPath(projectId, locationId, keyRingId);

async function createKeyForImport() {
  const [key] = await client.createCryptoKey({
    parent: keyRingName,
    cryptoKeyId: id,
    cryptoKey: {
      purpose: 'ENCRYPT_DECRYPT',
      versionTemplate: {
        algorithm: 'GOOGLE_SYMMETRIC_ENCRYPTION',
        protectionLevel: 'HSM',
      },
      // Optional: ensure that only imported versions may be added to this
      // key.
      importOnly: true,
    },
    // Do not allow KMS to generate an initial version of this key.
    skipInitialVersionCreation: true,
  });

  console.log(`Created key for import: ${key.name}`);
  return key;
}

return createKeyForImport();

Python

Cloud KMS용 클라이언트 라이브러리를 설치하고 사용하는 방법은 Cloud KMS 클라이언트 라이브러리를 참조하세요.

Cloud KMS에 인증하려면 애플리케이션 기본 사용자 인증 정보를 설정합니다. 자세한 내용은 로컬 개발 환경의 인증 설정을 참조하세요. 

from google.cloud import kms


def create_key_for_import(
    project_id: str, location_id: str, key_ring_id: str, crypto_key_id: str
) -> None:
    """

    Sets up an empty CryptoKey within a KeyRing for import.


    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').
        crypto_key_id (string): ID of the key to import (e.g. 'my-asymmetric-signing-key').
    """

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

    # Build the key. For more information regarding allowed values of these fields, see:
    # https://googleapis.dev/python/cloudkms/latest/_modules/google/cloud/kms_v1/types/resources.html
    purpose = kms.CryptoKey.CryptoKeyPurpose.ASYMMETRIC_SIGN
    algorithm = kms.CryptoKeyVersion.CryptoKeyVersionAlgorithm.EC_SIGN_P256_SHA256
    protection_level = kms.ProtectionLevel.HSM
    key = {
        "purpose": purpose,
        "version_template": {
            "algorithm": algorithm,
            "protection_level": protection_level,
        },
    }

    # Build the parent key ring name.
    key_ring_name = client.key_ring_path(project_id, location_id, key_ring_id)

    # Call the API.
    created_key = client.create_crypto_key(
        request={
            "parent": key_ring_name,
            "crypto_key_id": crypto_key_id,
            "crypto_key": key,
            # Do not allow KMS to generate an initial version of this key.
            "skip_initial_version_creation": True,
        }
    )
    print(f"Created hsm key: {created_key.name}")

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