Demuestra la encriptación de datos sensibles en una tabla mientras mantiene el formato.
Muestra de código
Java
Para obtener información sobre cómo instalar y usar la biblioteca cliente de Cloud DLP, consulta Bibliotecas cliente de Cloud DLP.
import com.google.cloud.dlp.v2.DlpServiceClient;
import com.google.common.io.BaseEncoding;
import com.google.privacy.dlp.v2.ContentItem;
import com.google.privacy.dlp.v2.CryptoKey;
import com.google.privacy.dlp.v2.CryptoReplaceFfxFpeConfig;
import com.google.privacy.dlp.v2.CryptoReplaceFfxFpeConfig.FfxCommonNativeAlphabet;
import com.google.privacy.dlp.v2.DeidentifyConfig;
import com.google.privacy.dlp.v2.DeidentifyContentRequest;
import com.google.privacy.dlp.v2.DeidentifyContentResponse;
import com.google.privacy.dlp.v2.FieldId;
import com.google.privacy.dlp.v2.FieldTransformation;
import com.google.privacy.dlp.v2.KmsWrappedCryptoKey;
import com.google.privacy.dlp.v2.LocationName;
import com.google.privacy.dlp.v2.PrimitiveTransformation;
import com.google.privacy.dlp.v2.RecordTransformations;
import com.google.privacy.dlp.v2.Table;
import com.google.privacy.dlp.v2.Table.Row;
import com.google.privacy.dlp.v2.Value;
import com.google.protobuf.ByteString;
import java.io.IOException;
public class DeIdentifyTableWithFpe {
public static void main(String[] args) throws Exception {
// TODO(developer): Replace these variables before running the sample.
String projectId = "your-project-id";
String kmsKeyName =
"projects/YOUR_PROJECT/"
+ "locations/YOUR_KEYRING_REGION/"
+ "keyRings/YOUR_KEYRING_NAME/"
+ "cryptoKeys/YOUR_KEY_NAME";
String wrappedAesKey = "YOUR_ENCRYPTED_AES_256_KEY";
Table tableToDeIdentify =
Table.newBuilder()
.addHeaders(FieldId.newBuilder().setName("Employee ID").build())
.addHeaders(FieldId.newBuilder().setName("Date").build())
.addHeaders(FieldId.newBuilder().setName("Compensation").build())
.addRows(
Row.newBuilder()
.addValues(Value.newBuilder().setStringValue("11111").build())
.addValues(Value.newBuilder().setStringValue("2015").build())
.addValues(Value.newBuilder().setStringValue("$10").build())
.build())
.addRows(
Row.newBuilder()
.addValues(Value.newBuilder().setStringValue("11111").build())
.addValues(Value.newBuilder().setStringValue("2016").build())
.addValues(Value.newBuilder().setStringValue("$20").build())
.build())
.addRows(
Row.newBuilder()
.addValues(Value.newBuilder().setStringValue("22222").build())
.addValues(Value.newBuilder().setStringValue("2016").build())
.addValues(Value.newBuilder().setStringValue("$15").build())
.build())
.build();
deIdentifyTableWithFpe(projectId, tableToDeIdentify, kmsKeyName, wrappedAesKey);
}
public static void deIdentifyTableWithFpe(
String projectId, Table tableToDeIdentify, String kmsKeyName, String wrappedAesKey)
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 (DlpServiceClient dlp = DlpServiceClient.create()) {
// Specify what content you want the service to de-identify.
ContentItem contentItem = ContentItem.newBuilder().setTable(tableToDeIdentify).build();
// Specify an encrypted AES-256 key and the name of the Cloud KMS key that encrypted it
KmsWrappedCryptoKey kmsWrappedCryptoKey =
KmsWrappedCryptoKey.newBuilder()
.setWrappedKey(ByteString.copyFrom(BaseEncoding.base64().decode(wrappedAesKey)))
.setCryptoKeyName(kmsKeyName)
.build();
CryptoKey cryptoKey = CryptoKey.newBuilder().setKmsWrapped(kmsWrappedCryptoKey).build();
// Specify how the content should be encrypted.
CryptoReplaceFfxFpeConfig cryptoReplaceFfxFpeConfig =
CryptoReplaceFfxFpeConfig.newBuilder()
.setCryptoKey(cryptoKey)
// Set of characters in the input text. For more info, see
// https://cloud.google.com/dlp/docs/reference/rest/v2/organizations.deidentifyTemplates#DeidentifyTemplate.FfxCommonNativeAlphabet
.setCommonAlphabet(FfxCommonNativeAlphabet.NUMERIC)
.build();
PrimitiveTransformation primitiveTransformation =
PrimitiveTransformation.newBuilder()
.setCryptoReplaceFfxFpeConfig(cryptoReplaceFfxFpeConfig)
.build();
// Specify field to be encrypted.
FieldId fieldId = FieldId.newBuilder().setName("Employee ID").build();
// Associate the encryption with the specified field.
FieldTransformation fieldTransformation =
FieldTransformation.newBuilder()
.setPrimitiveTransformation(primitiveTransformation)
.addFields(fieldId)
.build();
RecordTransformations transformations =
RecordTransformations.newBuilder().addFieldTransformations(fieldTransformation).build();
DeidentifyConfig deidentifyConfig =
DeidentifyConfig.newBuilder().setRecordTransformations(transformations).build();
// Combine configurations into a request for the service.
DeidentifyContentRequest request =
DeidentifyContentRequest.newBuilder()
.setParent(LocationName.of(projectId, "global").toString())
.setItem(contentItem)
.setDeidentifyConfig(deidentifyConfig)
.build();
// Send the request and receive response from the service.
DeidentifyContentResponse response = dlp.deidentifyContent(request);
// Print the results.
System.out.println(
"Table after format-preserving encryption: " + response.getItem().getTable());
}
}
}¿Qué sigue?
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