the algorithm used for changing the account password is different from that for creating the account (#1388)

Co-authored-by: SphaIris <aaalixiaopei123>
diff --git a/server/service/rbac/password.go b/server/service/rbac/password.go
index 74c1312..9631bab 100644
--- a/server/service/rbac/password.go
+++ b/server/service/rbac/password.go
@@ -21,15 +21,12 @@
 	"context"
 	"fmt"
 
-	"github.com/go-chassis/cari/discovery"
-	"github.com/go-chassis/cari/rbac"
-	"github.com/go-chassis/foundation/stringutil"
-	"golang.org/x/crypto/bcrypt"
-
 	"github.com/apache/servicecomb-service-center/pkg/log"
 	"github.com/apache/servicecomb-service-center/pkg/privacy"
 	"github.com/apache/servicecomb-service-center/pkg/util"
 	"github.com/apache/servicecomb-service-center/server/service/validator"
+	"github.com/go-chassis/cari/discovery"
+	"github.com/go-chassis/cari/rbac"
 )
 
 func ChangePassword(ctx context.Context, a *rbac.Account) error {
@@ -96,12 +93,12 @@
 }
 
 func doChangePassword(ctx context.Context, old *rbac.Account, pwd string) error {
-	hash, err := bcrypt.GenerateFromPassword([]byte(pwd), 14)
+	var err error
+	old.Password, err = privacy.ScryptPassword(pwd)
 	if err != nil {
-		log.Error("pwd hash failed", err)
+		log.Error("encrypt password failed", err)
 		return err
 	}
-	old.Password = stringutil.Bytes2str(hash)
 	err = EditAccount(ctx, old)
 	if err != nil {
 		log.Error("can not change pwd", err)