use of com.google.privacy.dlp.v2.ReidentifyContentRequest in project java-docs-samples by GoogleCloudPlatform.
the class DeIdentification method reIdentifyWithFpe.
// [END dlp_deidentify_fpe]
// [START dlp_reidentify_fpe]
/**
* Reidentify a string by encrypting sensitive information while preserving format.
*
* @param string The string to reidentify.
* @param alphabet The set of characters used when encrypting the input. For more information, see
* cloud.google.com/dlp/docs/reference/rest/v2/content/deidentify
* @param keyName The name of the Cloud KMS key to use when decrypting the wrapped key.
* @param wrappedKey The encrypted (or "wrapped") AES-256 encryption key.
* @param projectId ID of Google Cloud project to run the API under.
* @param surrogateType The name of the surrogate custom info type to used during the encryption
* process.
*/
private static void reIdentifyWithFpe(String string, FfxCommonNativeAlphabet alphabet, String keyName, String wrappedKey, String projectId, String surrogateType) {
// instantiate a client
try (DlpServiceClient dlpServiceClient = DlpServiceClient.create()) {
ContentItem contentItem = ContentItem.newBuilder().setValue(string).build();
InfoType surrogateTypeObject = InfoType.newBuilder().setName(surrogateType).build();
// Create the format-preserving encryption (FPE) configuration
KmsWrappedCryptoKey kmsWrappedCryptoKey = KmsWrappedCryptoKey.newBuilder().setWrappedKey(ByteString.copyFrom(BaseEncoding.base64().decode(wrappedKey))).setCryptoKeyName(keyName).build();
CryptoKey cryptoKey = CryptoKey.newBuilder().setKmsWrapped(kmsWrappedCryptoKey).build();
CryptoReplaceFfxFpeConfig cryptoReplaceFfxFpeConfig = CryptoReplaceFfxFpeConfig.newBuilder().setCryptoKey(cryptoKey).setCommonAlphabet(alphabet).setSurrogateInfoType(surrogateTypeObject).build();
// Create the deidentification transformation configuration
PrimitiveTransformation primitiveTransformation = PrimitiveTransformation.newBuilder().setCryptoReplaceFfxFpeConfig(cryptoReplaceFfxFpeConfig).build();
InfoTypeTransformation infoTypeTransformationObject = InfoTypeTransformation.newBuilder().setPrimitiveTransformation(primitiveTransformation).addInfoTypes(surrogateTypeObject).build();
InfoTypeTransformations infoTypeTransformationArray = InfoTypeTransformations.newBuilder().addTransformations(infoTypeTransformationObject).build();
// Create the inspection config
CustomInfoType customInfoType = CustomInfoType.newBuilder().setInfoType(surrogateTypeObject).setSurrogateType(SurrogateType.newBuilder().build()).build();
InspectConfig inspectConfig = InspectConfig.newBuilder().addCustomInfoTypes(customInfoType).build();
// Create the reidentification request object
DeidentifyConfig reidentifyConfig = DeidentifyConfig.newBuilder().setInfoTypeTransformations(infoTypeTransformationArray).build();
ReidentifyContentRequest request = ReidentifyContentRequest.newBuilder().setParent(ProjectName.of(projectId).toString()).setReidentifyConfig(reidentifyConfig).setInspectConfig(inspectConfig).setItem(contentItem).build();
// Execute the deidentification request
ReidentifyContentResponse response = dlpServiceClient.reidentifyContent(request);
// Print the reidentified input value
// e.g. "My SSN is 7261298621" --> "My SSN is 123456789"
String result = response.getItem().getValue();
System.out.println(result);
} catch (Exception e) {
System.out.println("Error in reidentifyWithFpe: " + e.getMessage());
}
}
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