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DeleteKey.java
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/*
* Copyright 2026 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package kms;
// [START kms_delete_key]
import com.google.cloud.kms.v1.CryptoKeyName;
import com.google.cloud.kms.v1.DeleteCryptoKeyMetadata;
import com.google.cloud.kms.v1.KeyManagementServiceClient;
import java.io.IOException;
import java.util.concurrent.ExecutionException;
public class DeleteKey {
public void deleteKey() 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";
deleteKey(projectId, locationId, keyRingId, keyId);
}
// deleteKey deletes a crypto key. This action is permanent and cannot be undone. Once the key
// is deleted, it will no longer exist.
public void deleteKey(String projectId, String locationId, String keyRingId, String keyId)
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 name from the project, location, key ring, and key.
CryptoKeyName keyName = CryptoKeyName.of(projectId, locationId, keyRingId, keyId);
// Delete the key.
// Warning: This operation is permanent and cannot be undone.
// Wait for the operation to complete.
client.deleteCryptoKeyAsync(keyName).get();
System.out.printf("Deleted key: %s%n", keyName.toString());
} catch (Exception e) {
System.err.printf("Failed to delete key: %s%n", e.getMessage());
}
}
}
// [END kms_delete_key]