From 761565a17f89d5b68c3b906e9bb3d4d410ade581 Mon Sep 17 00:00:00 2001
From: Horis <8674809+821938089@users.noreply.github.com>
Date: Sat, 17 May 2025 14:07:31 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
 app/src/main/assets/web/help/md/ruleHelp.md | 37 +++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/app/src/main/assets/web/help/md/ruleHelp.md b/app/src/main/assets/web/help/md/ruleHelp.md
index 0b771fc87..f6d4f8ef2 100644
--- a/app/src/main/assets/web/help/md/ruleHelp.md
+++ b/app/src/main/assets/web/help/md/ruleHelp.md
@@ -205,5 +205,42 @@ let options = {
 > 适用于图片需要二次解密的情况，直接填写JavaScript，返回解密后的`ByteArray`  
 > 部分变量说明：java（仅支持[js扩展类](https://github.com/gedoor/legado/blob/master/app/src/main/java/io/legado/app/help/JsExtensions.kt)），result为待解密图片的`ByteArray`，src为图片链接
 
+```
+java.createSymmetricCrypto("AES/CBC/PKCS5Padding", key, iv).decrypt(result)
+```
+
+```
+function decodeImage(data, key) {
+  var input = new Packages.java.io.ByteArrayInputStream(data)
+  var out = new Packages.java.io.ByteArrayOutputStream()
+  var byte
+  while ((byte = input.read()) != -1) {
+    out.write(byte ^ key)
+  }
+  return out.toByteArray()
+}
+
+decodeImage(result, key)
+```
+
 * 封面解密
 > 同图片解密 其中result为待解密封面的`inputStream`
+
+```
+var out = new Packages.java.io.ByteArrayOutputStream()
+java.createSymmetricCrypto("AES/CBC/PKCS5Padding", key, iv).decrypt(data, out, true)
+out.toByteArray()
+```
+
+```
+function decodeImage(data, key) {
+  var out = new Packages.java.io.ByteArrayOutputStream()
+  var byte
+  while ((byte = data.read()) != -1) {
+    out.write(byte ^ key)
+  }
+  return out.toByteArray()
+}
+
+decodeImage(result, key)
+```