From 2d3329a2eaafd53ad38d3a7040c6545a7015167a Mon Sep 17 00:00:00 2001
From: Sun Yimin <emmansun@users.noreply.github.com>
Date: Tue, 18 Mar 2025 11:44:45 +0800
Subject: [PATCH] padding: missing PaddingFunc #319

---
 padding/schemes.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/padding/schemes.go b/padding/schemes.go
index c0c8681..55d48b3 100644
--- a/padding/schemes.go
+++ b/padding/schemes.go
@@ -8,6 +8,8 @@ type Padding interface {
 	Unpad(src []byte) ([]byte, error)
 }
 
+type PaddingFunc func(blockSize uint) Padding
+
 func NewPKCS7Padding(blockSize uint) Padding {
 	if blockSize == 0 || blockSize > 255 {
 		panic("padding: invalid block size")