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前言

昨兒寫文章孕蝉，說了一下JS加密未來的核心理念，是將業(yè)務代碼融入加密里面腌逢，這就看到一個實現(xiàn)的不錯的降淮，這樣大大增加了解密的難度，今天要做的就是嘗試搞定這個js加密。

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kEy3LSW(FHFZE3,eZba1JW){var mQvdny=function(){return FHFZE3(...arguments)};Object['\x64\x65\x66\x69\x6e\x65\x50\x72\x6f\x70\x65\x72\x74\x79'](mQvdny,'\x6c\x65\x6e\x67\x74\x68',{'\u0076\u0061\u006c\u0075\u0065':eZba1JW,'\u0063\u006f\u006e\u0066\u0069\u0067\u0075\u0072\u0061\u0062\u006c\u0065':true});return mQvdny}

分析過程

0x1

首先佳鳖，我們來看 izRMzR 函數(shù)霍殴。這個函數(shù)是用來獲取一個全局對象的引用，它嘗試返回 global 對象（如果存在）系吩、window 對象（如果存在）来庭，或者通過 new Function 創(chuàng)建一個新的函數(shù)對象。

現(xiàn)在讓我們看一下 h5mqGJ 函數(shù)穿挨，它是一個函數(shù)工廠月弛，返回一個用于加密的函數(shù)。這個函數(shù)內(nèi)部有一些變量聲明科盛，然后返回了一個函數(shù)帽衙，這個函數(shù)接受一個數(shù)組參數(shù) IxH5Df。

在這個返回的函數(shù)中贞绵，有一個循環(huán)遍歷 IxH5Df 數(shù)組厉萝。在循環(huán)內(nèi)部，有一些位運算和數(shù)組操作榨崩，最終結(jié)果被放入了 hopoHt 數(shù)組中谴垫。

這個 h5mqGJ 函數(shù)的作用是接受一個數(shù)組，對數(shù)組進行加密處理母蛛，并返回加密后的結(jié)果翩剪。

0x2

接下來，我們需要分析整個代碼來理解具體的加密算法溯祸。

為了更好地理解整個加密算法肢专，我們需要更仔細地研究 h5mqGJ 函數(shù)中的位運算和數(shù)組操作。由于代碼經(jīng)過了混淆和壓縮焦辅，我們需要對其中的一些變量和函數(shù)進行還原博杖，以便更清晰地理解。

首先筷登，我們需要還原一些函數(shù)和變量名剃根。根據(jù)代碼中的使用情況，我們可以初步推斷出一些可能的含義前方。然后狈醉，我們可以逐步解析每個函數(shù)和操作的作用。例如惠险， PsSk22苗傅、q0cHKyW、sULxGL班巩、J2pPNp9 這些函數(shù)都是對應于某種位運算或數(shù)組操作的變量渣慕，我們需要還原它們的實際功能。

接下來，我們可以進一步分析位運算和數(shù)組操作的邏輯逊桦，以理解整個加密算法的原理眨猎。這可能涉及到對二進制運算、位移操作强经、位與睡陪、位或等進行分析。

0x3

我們可以看到 kEy3LSW 函數(shù)被多次調(diào)用匿情，它可能是一個用于創(chuàng)建數(shù)組的函數(shù)兰迫。在這段代碼中，kEy3LSW 函數(shù)可能被用來創(chuàng)建一個指定大小的數(shù)組码秉，并且可能有一些特定的填充規(guī)則逮矛。

然后，我們來看一下 IxH5Df 數(shù)組的操作转砖。在循環(huán)中须鼎，它被用來存儲一系列值，這些值可能是一些字符的 ASCII 碼或者其他編碼方式府蔗。

接下來晋控，我們需要逐步分析每個位運算操作的含義。例如姓赤，<< 運算符表示左移操作赡译，& 運算符表示按位與操作等。在這個加密算法中不铆，這些位運算操作可能被用來混淆字符或者實現(xiàn)某種特定的變換蝌焚。

最后，我們需要關(guān)注最終結(jié)果被放入 hopoHt 數(shù)組中的邏輯誓斥。這個數(shù)組可能用來存儲加密后的結(jié)果只洒，我們需要理解加密算法是如何將原始數(shù)據(jù)轉(zhuǎn)換為最終的加密結(jié)果的。

今日到此為止

今天就分析到這劳坑，剩余的明天繼續(xù)毕谴，該代碼已完全還原。完美運行無異常報錯距芬。

但是這個加密目前還原成本太高涝开，價值不高的代碼用這個加密還是比較安全的。

ps

一切代碼解釋權(quán)歸jsjiami一鍵解密官方所有框仔，請勿用該文章教程用于非法活動舀武。