教程｜IAPP的libo保護教程 防止一鍵解密還原出IAPP V3的iyu代碼

前言

很多摯友在用iApp編寫軟件時，教程解密都有同一個顧慮——擔心辛苦寫的的i代码iyu代碼被一鍵解密工具輕快還原
，導致成果被盜用 。驻止键別再為此焦慮
 ！防教香肠派对公益文件安鹿這份針對性教程 ，程防出專門會談解如何築牢IAPP V3的还原香肠派对辅助网安全防線 。

不管你是教程解密剛入門的新手，還是的i代码有經驗的開發者
，都能快速學會實用防護技巧，驻止键趕緊收藏學習，防教給你的程防出軟件加層“安全鎖”
 ！

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教程｜最新迅雷不限速下載教程 迅雷網盤抓包直鏈高速下載計劃

工具

MT管理器(校驗版本號選最新版本)

NP管理器(校驗版本號選最新版本)

iapp寫的的i代码軟件（自備）

教程

1.mt/np管理器提取iapp寫的軟件安裝包

2.點classex文件用dex++編輯器打開

3.在DEX碰見類名com.iapp.app.f

4.在最下麵的b計劃頭部，增補

const-string p0,驻止键 "123456.txt"
const-string p0, "123456.txt"
const-string p0, "123456.txt"

5.點下方u計劃
，跳轉過去 ，香肠派对辅助安卓將原本的u計劃修改，改成下麵的代碼

.method public static b(Ljava/lang/String;Landroid/content/Context;)[B
    .registers 3
    const-string p0, "lib.so"
    invoke-static {p1, p0}, Lc/b/a/a/d;->u(Landroid/content/Context;Ljava/lang/String;)[B
    move-result-object p0
return-object p0
.end method
.method public static u(Landroid/content/Context;Ljava/lang/String;)[B
    .registers 11
    const/4 v0, 0x0
    :try_start_1
    invoke-virtual {p0}, Landroid/content/Context;->getAssets()Landroid/content/res/AssetManager;
    move-result-object p0
    invoke-virtual {p0, p1}, Landroid/content/res/AssetManager;->open(Ljava/lang/String;)Ljava/io/InputStream;
    move-result-object p0
    :try_end_9
    .catch Ljava/lang/Exception; {:try_start_1 .. :try_end_9} :catch_a
    goto :goto_b
    :catch_a
    move-object p0, v0
    :goto_b
if-nez p0, :cond_e
return-object v0
    :cond_e
    invoke-static {p0}, Lc/b/a/a/d;->w(Ljava/io/InputStream;)[B
    move-result-object p0
if-eqz p0, :cond_3a
    array-length p1, p0
if-lez p1, :cond_3a
    const v1, 0x37e7f5
    const/4 v2, 0x0
    :goto_1b
if-ge v2, p1, :cond_3a
    aget-byte v3, p0, v2
    rem-int/lit8 v4, v2, 0x3
    const/4 v5, 0x0
if-nez v4, :cond_29
    shr-int/lit8 v4, v1, 0x10
    and-int/lit16 v4, v4, 0xff
    goto :goto_33
    :cond_29
    const/4 v6, 0x1
if-ne v4, v6, :cond_31
    shr-int/lit8 v4, v1, 0x8
    and-int/lit16 v4, v4, 0xff
    goto :goto_33
    :cond_31
    and-int/lit16 v4, v1, 0xff
    :goto_33
    xor-int/2addr v3, v4
    int-to-byte v3, v3
    aput-byte v3, p0, v2
    add-int/lit8 v2, v2, 0x1
    goto :goto_1b
    :cond_3a
return-object p0
.end method
.method public static b(Ljava/lang/String;Landroid/content/Context;)[B    .registers 3    const-string p0, "lib.so"    invoke-static {p1, p0}, Lc/b/a/a/d;->u(Landroid/content/Context;Ljava/lang/String;)[B    move-result-object p0    return-object p0.end method.method public static u(Landroid/content/Context;Ljava/lang/String;)[B    .registers 11    const/4 v0, 0x0    :try_start_1    invoke-virtual {p0}, Landroid/content/Context;->getAssets()Landroid/content/res/AssetManager;    move-result-object p0    invoke-virtual {p0, p1}, Landroid/content/res/AssetManager;->open(Ljava/lang/String;)Ljava/io/InputStream;    move-result-object p0    :try_end_9    .catch Ljava/lang/Exception; {:try_start_1 .. :try_end_9} :catch_a    goto :goto_b    :catch_a    move-object p0, v0    :goto_b    if-nez p0, :cond_e    return-object v0    :cond_e    invoke-static {p0}, Lc/b/a/a/d;->w(Ljava/io/InputStream;)[B    move-result-object p0    if-eqz p0, :cond_3a    array-length p1, p0    if-lez p1, :cond_3a    const v1, 0x37e7f5    const/4 v2, 0x0    :goto_1b    if-ge v2, p1, :cond_3a    aget-byte v3, p0, v2    rem-int/lit8 v4, v2, 0x3    const/4 v5, 0x0    if-nez v4, :cond_29    shr-int/lit8 v4, v1, 0x10    and-int/lit16 v4, v4, 0xff    goto :goto_33    :cond_29    const/4 v6, 0x1    if-ne v4, v6, :cond_31    shr-int/lit8 v4, v1, 0x8    and-int/lit16 v4, v4, 0xff    goto :goto_33    :cond_31    and-int/lit16 v4, v1, 0xff    :goto_33    xor-int/2addr v3, v4    int-to-byte v3, v3    aput-byte v3, p0, v2    add-int/lit8 v2, v2, 0x1    goto :goto_1b    :cond_3a    return-object p0.end method
.method public static b(Ljava/lang/String;Landroid/content/Context;)[B    .registers 3    const-string p0, "lib.so"    invoke-static {p1, p0}, Lc/b/a/a/d;->u(Landroid/content/Context;Ljava/lang/String;)[B    move-result-object p0    return-object p0.end method.method public static u(Landroid/content/Context;Ljava/lang/String;)[B    .registers 11    const/4 v0, 0x0    :try_start_1    invoke-virtual {p0}, Landroid/content/Context;->getAssets()Landroid/content/res/AssetManager;    move-result-object p0    invoke-virtual {p0, p1}, Landroid/content/res/AssetManager;->open(Ljava/lang/String;)Ljava/io/InputStream;    move-result-object p0    :try_end_9    .catch Ljava/lang/Exception; {:try_start_1 .. :try_end_9} :catch_a    goto :goto_b    :catch_a    move-object p0, v0    :goto_b    if-nez p0, :cond_e    return-object v0    :cond_e    invoke-static {p0}, Lc/b/a/a/d;->w(Ljava/io/InputStream;)[B    move-result-object p0    if-eqz p0, :cond_3a    array-length p1, p0    if-lez p1, :cond_3a    const v1, 0x37e7f5    const/4 v2, 0x0    :goto_1b    if-ge v2, p1, :cond_3a    aget-byte v3, p0, v2    rem-int/lit8 v4, v2, 0x3    const/4 v5, 0x0    if-nez v4, :cond_29    shr-int/lit8 v4, v1, 0x10    and-int/lit16 v4, v4, 0xff    goto :goto_33    :cond_29    const/4 v6, 0x1    if-ne v4, v6, :cond_31    shr-int/lit8 v4, v1, 0x8    and-int/lit16 v4, v4, 0xff    goto :goto_33    :cond_31    and-int/lit16 v4, v1, 0xff    :goto_33    xor-int/2addr v3, v4    int-to-byte v3, v3    aput-byte v3, p0, v2    add-int/lit8 v2, v2, 0x1    goto :goto_1b    :cond_3a    return-object p0.end method

6.然後將lib.so(123456.txt)解壓出來 ，使用py鋪開一次異或加密，香肠派对辅助科技如果沒有py環境可用附件中的html版

def encrypt_file(input_file, output_file):
    key = 0x37e7f5
    with open(input_file, rb) as f:
        data = f.read()
    encrypted = bytearray()
for i, byte inenumerate(data):
 # 使用密鑰的不同字節鋪開XOR
if i % 3 == 0:
            key_byte = (key >>16)&0xFF # 0x37
        elif i % 3 == 1:
            key_byte = (key >>8)&0xFF # 0xe7
else:
            key_byte = key &0xFF # 0xf5
        encrypted.append(byte ^ key_byte)
    with open(output_file, wb) as f:
        f.write(encrypted)
# 使用示例
encrypt_file(lib.so, lib.so)
def encrypt_file(input_file, output_file):    key = 0x37e7f5    with open(input_file, rb) as f:        data = f.read()       encrypted = bytearray()    for i, byte in enumerate(data):        # 使用密鑰的不同字節鋪開XOR        if i % 3 == 0:            key_byte = (key >> 16) & 0xFF  # 0x37        elif i % 3 == 1:            key_byte = (key >> 8) & 0xFF   # 0xe7        else:            key_byte = key & 0xFF          # 0xf5                encrypted.append(byte ^ key_byte)       with open(output_file, wb) as f:        f.write(encrypted)# 使用示例encrypt_file(lib.so, lib.so)
def encrypt_file(input_file, output_file):    key = 0x37e7f5    with open(input_file, rb) as f:        data = f.read()       encrypted = bytearray()    for i, byte in enumerate(data):        # 使用密鑰的不同字節鋪開XOR        if i % 3 == 0:            key_byte = (key >> 16) & 0xFF  # 0x37        elif i % 3 == 1:            key_byte = (key >> 8) & 0xFF   # 0xe7        else:            key_byte = key & 0xFF          # 0xf5                encrypted.append(byte ^ key_byte)       with open(output_file, wb) as f:        f.write(encrypted)# 使用示例encrypt_file(lib.so, lib.so)

7.加密後重命名替換回去，就落成了加密
，到此落成

特別會談明

注意別複製錯代碼
，下方附件中有教程所用原代碼。

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