【Android 原创】开心消消乐lua脚本解密

正文

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*v3 = (int)&unk_3F3A68;

sub_30D130((int)&v40);

sub_30D130((int)&v39);

sub_30D130((int)&v38);

v4 = sub_74CD8(&v41, "src/", &v37);

v33 = 2;

v5 = 0;

do

{

v6 = sub_1219BC(v4);

buf = (*(int (**)(void))(*(_DWORD *)v6 + 16))();

if ( buf )

{

v7 = sub_656EC();

v8 = len;

if ( v7 )

{

sub_74CD8(&v45, "@", &v37);

v15 = sub_30E110(v34, buf, v8, v45);    // 读取lua文件

sub_30D130((int)&v45);

if ( v15 )

v5 = 3;

}

else if ( len

{

sub_68908("load_lua", "can not get enough file data of %s", v41);

v5 = 5;

}

else

{

if ( !(dword_3E730C & 1) && sub_30D150(&dword_3E730C) )

{

byte_3E7310 = 0xE9u;

byte_3E7311 = 0x74;

byte_3E7313 = 0x92u;

byte_3E7314 = 0xCCu;

byte_3E7315 = 0x32;

byte_3E7316 = 0x2E;

byte_3E7319 = 0x2E;

byte_3E731A = 0x7C;

byte_3E731B = 0x34;

byte_3E731C = 0x51;

byte_3E731D = 0xD7u;

byte_3E7312 = 0x7D;

byte_3E7317 = 0x7D;

byte_3E731E = 0xB3u;

byte_3E7318 = 0x11;

byte_3E731F = 0x6A;

sub_30D160((int)&dword_3E730C);

}

v9 = len - 16;

out = 0;

v45 = 0;

v10 = aes_cbc_decrypt((int)&byte_3E7310, buf, buf + 16, len - 16, &out);// 第一个参数为key aes解密 IV为文件开头的16个字节

if ( v10 || (v10 = aes_cbc_decrypt((int)&byte_3E7310, buf, buf + 16, v9, &out)) != 0 )

{

zib_decompress(out, v10, (const void **)&v45);// 解压缩

v12 = v11;

if ( v11 || (zib_decompress(out, v10, (const void **)&v45), (v12 = v31) != 0) )

{

v13 = v45;

if ( v12 > 3 && *(_BYTE *)v45 == 0xEF && *(_BYTE *)(v45 + 1) == 0xBB && *(_BYTE *)(v45 + 2) == 0xBF )

{

v13 = v45 + 3;

v12 -= 3;

sub_688EE("load_lua", "%s with utf-8 bom", v37);

}

sub_74CD8(&v43, "@", &v37);

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