형식을 유지하면서 민감한 문자를 암호화하는 방법을 보여줍니다.
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이 코드 샘플이 포함된 자세한 문서는 다음을 참조하세요.
코드 샘플
C#
민감한 정보 보호의 클라이언트 라이브러리를 설치하고 사용하는 방법은 민감한 정보 보호 클라이언트 라이브러리를 참조하세요.
Sensitive Data Protection에 인증하려면 애플리케이션 기본 사용자 인증 정보를 설정합니다. 자세한 내용은 로컬 개발 환경의 인증 설정을 참조하세요.
using System;
using System.Collections.Generic;
using Google.Api.Gax.ResourceNames;
using Google.Cloud.Dlp.V2;
using Google.Protobuf;
using static Google.Cloud.Dlp.V2.CryptoReplaceFfxFpeConfig.Types;
public class DeidentifyWithFpe
{
public static DeidentifyContentResponse Deidentify(
string projectId,
string dataValue,
IEnumerable<InfoType> infoTypes,
string keyName,
string wrappedKey,
FfxCommonNativeAlphabet alphabet)
{
var deidentifyConfig = new DeidentifyConfig
{
InfoTypeTransformations = new InfoTypeTransformations
{
Transformations =
{
new InfoTypeTransformations.Types.InfoTypeTransformation
{
PrimitiveTransformation = new PrimitiveTransformation
{
CryptoReplaceFfxFpeConfig = new CryptoReplaceFfxFpeConfig
{
CommonAlphabet = alphabet,
CryptoKey = new CryptoKey
{
KmsWrapped = new KmsWrappedCryptoKey
{
CryptoKeyName = keyName,
WrappedKey = ByteString.FromBase64 (wrappedKey)
}
},
SurrogateInfoType = new InfoType
{
Name = "TOKEN"
}
}
}
}
}
}
};
var dlp = DlpServiceClient.Create();
var response = dlp.DeidentifyContent(
new DeidentifyContentRequest
{
Parent = new LocationName(projectId, "global").ToString(),
InspectConfig = new InspectConfig
{
InfoTypes = { infoTypes }
},
DeidentifyConfig = deidentifyConfig,
Item = new ContentItem { Value = dataValue }
});
Console.WriteLine($"Deidentified content: {response.Item.Value}");
return response;
}
}
Go
Sensitive Data Protection의 클라이언트 라이브러리를 설치하고 사용하는 방법은 Sensitive Data Protection 클라이언트 라이브러리를 참조하세요.
Sensitive Data Protection에 인증하려면 애플리케이션 기본 사용자 인증 정보를 설정합니다. 자세한 내용은 로컬 개발 환경의 인증 설정을 참조하세요.
import (
"context"
"encoding/base64"
"fmt"
"io"
dlp "cloud.google.com/go/dlp/apiv2"
"cloud.google.com/go/dlp/apiv2/dlppb"
)
// deidentifyFPE deidentifies the input with FPE (Format Preserving Encryption).
// keyFileName is the file name with the KMS wrapped key and cryptoKeyName is the
// full KMS key resource name used to wrap the key. surrogateInfoType is an
// optional identifier needed for reidentification. surrogateInfoType can be any
// value not found in your input.
// Info types can be found with the infoTypes.list method or on https://cloud.google.com/dlp/docs/infotypes-reference
func deidentifyFPE(w io.Writer, projectID, input string, infoTypeNames []string, kmsKeyName, wrappedAESKey, surrogateInfoType string) error {
// projectID := "my-project-id"
// input := "My SSN is 123456789"
// infoTypeNames := []string{"US_SOCIAL_SECURITY_NUMBER"}
// kmsKeyName := "projects/YOUR_GCLOUD_PROJECT/locations/YOUR_LOCATION/keyRings/YOUR_KEYRING_NAME/cryptoKeys/YOUR_KEY_NAME"
// wrappedAESKey := "YOUR_ENCRYPTED_AES_256_KEY"
// surrogateInfoType := "AGE"
ctx := context.Background()
client, err := dlp.NewClient(ctx)
if err != nil {
return fmt.Errorf("dlp.NewClient: %w", err)
}
defer client.Close()
// Convert the info type strings to a list of InfoTypes.
var infoTypes []*dlppb.InfoType
for _, it := range infoTypeNames {
infoTypes = append(infoTypes, &dlppb.InfoType{Name: it})
}
// Specify an encrypted AES-256 key and the name of the Cloud KMS key that encrypted it.
kmsWrappedCryptoKey, err := base64.StdEncoding.DecodeString(wrappedAESKey)
if err != nil {
return err
}
// Create a configured request.
req := &dlppb.DeidentifyContentRequest{
Parent: fmt.Sprintf("projects/%s/locations/global", projectID),
InspectConfig: &dlppb.InspectConfig{
InfoTypes: infoTypes,
},
DeidentifyConfig: &dlppb.DeidentifyConfig{
Transformation: &dlppb.DeidentifyConfig_InfoTypeTransformations{
InfoTypeTransformations: &dlppb.InfoTypeTransformations{
Transformations: []*dlppb.InfoTypeTransformations_InfoTypeTransformation{
{
InfoTypes: []*dlppb.InfoType{}, // Match all info types.
PrimitiveTransformation: &dlppb.PrimitiveTransformation{
Transformation: &dlppb.PrimitiveTransformation_CryptoReplaceFfxFpeConfig{
CryptoReplaceFfxFpeConfig: &dlppb.CryptoReplaceFfxFpeConfig{
CryptoKey: &dlppb.CryptoKey{
Source: &dlppb.CryptoKey_KmsWrapped{
KmsWrapped: &dlppb.KmsWrappedCryptoKey{
WrappedKey: kmsWrappedCryptoKey,
CryptoKeyName: kmsKeyName,
},
},
},
// Set the alphabet used for the output.
Alphabet: &dlppb.CryptoReplaceFfxFpeConfig_CommonAlphabet{
CommonAlphabet: dlppb.CryptoReplaceFfxFpeConfig_ALPHA_NUMERIC,
},
// Set the surrogate info type, used for reidentification.
SurrogateInfoType: &dlppb.InfoType{
Name: surrogateInfoType,
},
},
},
},
},
},
},
},
},
// The item to analyze.
Item: &dlppb.ContentItem{
DataItem: &dlppb.ContentItem_Value{
Value: input,
},
},
}
// Send the request.
r, err := client.DeidentifyContent(ctx, req)
if err != nil {
return fmt.Errorf("DeidentifyContent: %w", err)
}
// Print the result.
fmt.Fprint(w, r.GetItem().GetValue())
return nil
}
Java
Sensitive Data Protection의 클라이언트 라이브러리를 설치하고 사용하는 방법은 Sensitive Data Protection 클라이언트 라이브러리를 참조하세요.
Sensitive Data Protection에 인증하려면 애플리케이션 기본 사용자 인증 정보를 설정합니다. 자세한 내용은 로컬 개발 환경의 인증 설정을 참조하세요.
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.InfoType;
import com.google.privacy.dlp.v2.InfoTypeTransformations;
import com.google.privacy.dlp.v2.InfoTypeTransformations.InfoTypeTransformation;
import com.google.privacy.dlp.v2.InspectConfig;
import com.google.privacy.dlp.v2.KmsWrappedCryptoKey;
import com.google.privacy.dlp.v2.LocationName;
import com.google.privacy.dlp.v2.PrimitiveTransformation;
import com.google.protobuf.ByteString;
import java.io.IOException;
import java.util.Arrays;
public class DeIdentifyWithFpe {
public static void main(String[] args) throws Exception {
// TODO(developer): Replace these variables before running the sample.
String projectId = "your-project-id";
String textToDeIdentify = "I'm Gary and my SSN is 552096781";
String kmsKeyName =
"projects/YOUR_PROJECT/"
+ "locations/YOUR_KEYRING_REGION/"
+ "keyRings/YOUR_KEYRING_NAME/"
+ "cryptoKeys/YOUR_KEY_NAME";
String wrappedAesKey = "YOUR_ENCRYPTED_AES_256_KEY";
deIdentifyWithFpe(projectId, textToDeIdentify, kmsKeyName, wrappedAesKey);
}
public static void deIdentifyWithFpe(
String projectId, String textToDeIdentify, 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 DeIdentify
ContentItem contentItem = ContentItem.newBuilder().setValue(textToDeIdentify).build();
// Specify the type of info the inspection will look for.
// See https://cloud.google.com/dlp/docs/infotypes-reference for complete list of info types
InfoType infoType = InfoType.newBuilder().setName("US_SOCIAL_SECURITY_NUMBER").build();
InspectConfig inspectConfig =
InspectConfig.newBuilder().addAllInfoTypes(Arrays.asList(infoType)).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 info from the inspection should be encrypted.
InfoType surrogateInfoType = InfoType.newBuilder().setName("SSN_TOKEN").build();
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)
.setSurrogateInfoType(surrogateInfoType)
.build();
PrimitiveTransformation primitiveTransformation =
PrimitiveTransformation.newBuilder()
.setCryptoReplaceFfxFpeConfig(cryptoReplaceFfxFpeConfig)
.build();
InfoTypeTransformation infoTypeTransformation =
InfoTypeTransformation.newBuilder()
.setPrimitiveTransformation(primitiveTransformation)
.build();
InfoTypeTransformations transformations =
InfoTypeTransformations.newBuilder().addTransformations(infoTypeTransformation).build();
DeidentifyConfig deidentifyConfig =
DeidentifyConfig.newBuilder().setInfoTypeTransformations(transformations).build();
// Combine configurations into a request for the service.
DeidentifyContentRequest request =
DeidentifyContentRequest.newBuilder()
.setParent(LocationName.of(projectId, "global").toString())
.setItem(contentItem)
.setInspectConfig(inspectConfig)
.setDeidentifyConfig(deidentifyConfig)
.build();
// Send the request and receive response from the service
DeidentifyContentResponse response = dlp.deidentifyContent(request);
// Print the results
System.out.println(
"Text after format-preserving encryption: " + response.getItem().getValue());
}
}
}Node.js
Sensitive Data Protection의 클라이언트 라이브러리를 설치하고 사용하는 방법은 Sensitive Data Protection 클라이언트 라이브러리를 참조하세요.
Sensitive Data Protection에 인증하려면 애플리케이션 기본 사용자 인증 정보를 설정합니다. 자세한 내용은 로컬 개발 환경의 인증 설정을 참조하세요.
// Imports the Google Cloud Data Loss Prevention library
const DLP = require('@google-cloud/dlp');
// Instantiates a client
const dlp = new DLP.DlpServiceClient();
// The project ID to run the API call under
// const projectId = 'my-project';
// The string to deidentify
// const string = 'My SSN is 372819127';
// The set of characters to replace sensitive ones with
// For more information, see https://cloud.google.com/dlp/docs/reference/rest/v2/organizations.deidentifyTemplates#ffxcommonnativealphabet
// const alphabet = 'ALPHA_NUMERIC';
// The name of the Cloud KMS key used to encrypt ('wrap') the AES-256 key
// const keyName = 'projects/YOUR_GCLOUD_PROJECT/locations/YOUR_LOCATION/keyRings/YOUR_KEYRING_NAME/cryptoKeys/YOUR_KEY_NAME';
// The encrypted ('wrapped') AES-256 key to use
// This key should be encrypted using the Cloud KMS key specified above
// const wrappedKey = 'YOUR_ENCRYPTED_AES_256_KEY'
// (Optional) The name of the surrogate custom info type to use
// Only necessary if you want to reverse the deidentification process
// Can be essentially any arbitrary string, as long as it doesn't appear
// in your dataset otherwise.
// const surrogateType = 'SOME_INFO_TYPE_DEID';
async function deidentifyWithFpe() {
// Construct FPE config
const cryptoReplaceFfxFpeConfig = {
cryptoKey: {
kmsWrapped: {
wrappedKey: wrappedKey,
cryptoKeyName: keyName,
},
},
commonAlphabet: alphabet,
};
if (surrogateType) {
cryptoReplaceFfxFpeConfig.surrogateInfoType = {
name: surrogateType,
};
}
// Construct deidentification request
const item = {value: string};
const request = {
parent: `projects/${projectId}/locations/global`,
deidentifyConfig: {
infoTypeTransformations: {
transformations: [
{
primitiveTransformation: {
cryptoReplaceFfxFpeConfig: cryptoReplaceFfxFpeConfig,
},
},
],
},
},
item: item,
};
// Run deidentification request
const [response] = await dlp.deidentifyContent(request);
const deidentifiedItem = response.item;
console.log(deidentifiedItem.value);
}
deidentifyWithFpe();PHP
Sensitive Data Protection의 클라이언트 라이브러리를 설치하고 사용하는 방법은 Sensitive Data Protection 클라이언트 라이브러리를 참조하세요.
Sensitive Data Protection에 인증하려면 애플리케이션 기본 사용자 인증 정보를 설정합니다. 자세한 내용은 로컬 개발 환경의 인증 설정을 참조하세요.
use Google\Cloud\Dlp\V2\Client\DlpServiceClient;
use Google\Cloud\Dlp\V2\ContentItem;
use Google\Cloud\Dlp\V2\CryptoKey;
use Google\Cloud\Dlp\V2\CryptoReplaceFfxFpeConfig;
use Google\Cloud\Dlp\V2\CryptoReplaceFfxFpeConfig\FfxCommonNativeAlphabet;
use Google\Cloud\Dlp\V2\DeidentifyConfig;
use Google\Cloud\Dlp\V2\DeidentifyContentRequest;
use Google\Cloud\Dlp\V2\InfoType;
use Google\Cloud\Dlp\V2\InfoTypeTransformations;
use Google\Cloud\Dlp\V2\InfoTypeTransformations\InfoTypeTransformation;
use Google\Cloud\Dlp\V2\KmsWrappedCryptoKey;
use Google\Cloud\Dlp\V2\PrimitiveTransformation;
/**
* Deidentify a string using Format-Preserving Encryption (FPE).
*
* @param string $callingProjectId The GCP Project ID to run the API call under
* @param string $string The string to deidentify
* @param string $keyName The name of the Cloud KMS key used to encrypt (wrap) the AES-256 key
* @param string $wrappedKey The name of the Cloud KMS key use, encrypted with the KMS key in $keyName
* @param string $surrogateTypeName (Optional) surrogate custom info type to enable reidentification
*/
function deidentify_fpe(
string $callingProjectId,
string $string,
string $keyName,
string $wrappedKey,
string $surrogateTypeName = ''
): void {
// Instantiate a client.
$dlp = new DlpServiceClient();
// The infoTypes of information to mask
$ssnInfoType = (new InfoType())
->setName('US_SOCIAL_SECURITY_NUMBER');
$infoTypes = [$ssnInfoType];
// Create the wrapped crypto key configuration object
$kmsWrappedCryptoKey = (new KmsWrappedCryptoKey())
->setWrappedKey(base64_decode($wrappedKey))
->setCryptoKeyName($keyName);
// The set of characters to replace sensitive ones with
// For more information, see https://cloud.google.com/dlp/docs/reference/rest/V2/organizations.deidentifyTemplates#ffxcommonnativealphabet
$commonAlphabet = FfxCommonNativeAlphabet::NUMERIC;
// Create the crypto key configuration object
$cryptoKey = (new CryptoKey())
->setKmsWrapped($kmsWrappedCryptoKey);
// Create the crypto FFX FPE configuration object
$cryptoReplaceFfxFpeConfig = (new CryptoReplaceFfxFpeConfig())
->setCryptoKey($cryptoKey)
->setCommonAlphabet($commonAlphabet);
if ($surrogateTypeName) {
$surrogateType = (new InfoType())
->setName($surrogateTypeName);
$cryptoReplaceFfxFpeConfig->setSurrogateInfoType($surrogateType);
}
// Create the information transform configuration objects
$primitiveTransformation = (new PrimitiveTransformation())
->setCryptoReplaceFfxFpeConfig($cryptoReplaceFfxFpeConfig);
$infoTypeTransformation = (new InfoTypeTransformation())
->setPrimitiveTransformation($primitiveTransformation)
->setInfoTypes($infoTypes);
$infoTypeTransformations = (new InfoTypeTransformations())
->setTransformations([$infoTypeTransformation]);
// Create the deidentification configuration object
$deidentifyConfig = (new DeidentifyConfig())
->setInfoTypeTransformations($infoTypeTransformations);
$content = (new ContentItem())
->setValue($string);
$parent = "projects/$callingProjectId/locations/global";
// Run request
$deidentifyContentRequest = (new DeidentifyContentRequest())
->setParent($parent)
->setDeidentifyConfig($deidentifyConfig)
->setItem($content);
$response = $dlp->deidentifyContent($deidentifyContentRequest);
// Print the results
$deidentifiedValue = $response->getItem()->getValue();
print($deidentifiedValue);
}Python
Sensitive Data Protection의 클라이언트 라이브러리를 설치하고 사용하는 방법은 Sensitive Data Protection 클라이언트 라이브러리를 참조하세요.
Sensitive Data Protection에 인증하려면 애플리케이션 기본 사용자 인증 정보를 설정합니다. 자세한 내용은 로컬 개발 환경의 인증 설정을 참조하세요.
import base64
from typing import List
import google.cloud.dlp
def deidentify_with_fpe(
project: str,
input_str: str,
info_types: List[str],
alphabet: str = None,
surrogate_type: str = None,
key_name: str = None,
wrapped_key: str = None,
) -> None:
"""Uses the Data Loss Prevention API to deidentify sensitive data in a
string using Format Preserving Encryption (FPE).
Args:
project: The Google Cloud project id to use as a parent resource.
input_str: The string to deidentify (will be treated as text).
info_types: A list of strings representing info types to look for.
alphabet: The set of characters to replace sensitive ones with. For
more information, see https://cloud.google.com/dlp/docs/reference/
rest/v2beta2/organizations.deidentifyTemplates#ffxcommonnativealphabet
surrogate_type: The name of the surrogate custom info type to use. Only
necessary if you want to reverse the deidentification process. Can
be essentially any arbitrary string, as long as it doesn't appear
in your dataset otherwise.
key_name: The name of the Cloud KMS key used to encrypt ('wrap') the
AES-256 key. Example:
key_name = 'projects/YOUR_GCLOUD_PROJECT/locations/YOUR_LOCATION/
keyRings/YOUR_KEYRING_NAME/cryptoKeys/YOUR_KEY_NAME'
wrapped_key: The encrypted ('wrapped') AES-256 key to use. This key
should be encrypted using the Cloud KMS key specified by key_name.
Returns:
None; the response from the API is printed to the terminal.
"""
# Instantiate a client
dlp = google.cloud.dlp_v2.DlpServiceClient()
# Convert the project id into a full resource id.
parent = f"projects/{project}/locations/global"
# The wrapped key is base64-encoded, but the library expects a binary
# string, so decode it here.
wrapped_key = base64.b64decode(wrapped_key)
# Construct FPE configuration dictionary
crypto_replace_ffx_fpe_config = {
"crypto_key": {
"kms_wrapped": {"wrapped_key": wrapped_key, "crypto_key_name": key_name}
},
"common_alphabet": alphabet,
}
# Add surrogate type
if surrogate_type:
crypto_replace_ffx_fpe_config["surrogate_info_type"] = {"name": surrogate_type}
# Construct inspect configuration dictionary
inspect_config = {"info_types": [{"name": info_type} for info_type in info_types]}
# Construct deidentify configuration dictionary
deidentify_config = {
"info_type_transformations": {
"transformations": [
{
"primitive_transformation": {
"crypto_replace_ffx_fpe_config": crypto_replace_ffx_fpe_config
}
}
]
}
}
# Convert string to item
item = {"value": input_str}
# Call the API
response = dlp.deidentify_content(
request={
"parent": parent,
"deidentify_config": deidentify_config,
"inspect_config": inspect_config,
"item": item,
}
)
# Print results
print(response.item.value)
다음 단계
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