The harm of game unpacking and the importance of resource encryption

In the sub circuit “ The bestselling ”—— B female game

According to the market analysis report of frost Sullivan, a consulting company ,2013-2017 year , The market size of Chinese women's mobile games is calculated by revenue , The compound annual growth rate is 101.6%; expect 2022 year , China's female mobile game market will reach 935 One hundred million yuan .

  The market size of Chinese women's mobile games in terms of revenue

Some reports point out , Women are more loyal in mobile games , The willingness to spend time and money on games is stronger . Driven by the continuous rise of women's social status and the increase of female mobile game players , The female game market has obviously become “ The bestselling ”.

Among the female games, the most representative one is the second female game ( A love simulation game with women as the target audience ). According to the huge calculation report ,2021 year 5 month , The number of live broadcasts of b-female game anchors 、 The growth rate of live broadcast duration is higher than that of other games , The number of viewers attracted has increased by 6405%, It is enough to prove the user volume and popularity of b-women Games .

The live broadcast of b-women games increased significantly , The data source is huge

tencent 、 NetEase 、 MIHA tour and other game manufacturers have successively landed at the b-women Game track , I want to share in this .

The network war caused by the unpacking of games with tens of millions of downloads

2021 year 6 month 24 Before going online the next day , Tencent's second female game 《 The love between light and night 》 The number of appointments on the official website has exceeded ten million , Quickly rush to apple after going online App store Top of the free list . As of the date of publication , Seven wheat data display 《 The love between light and night 》 The cumulative download volume of Android is estimated to exceed 3979 Ten thousand times ,iPhone And iPad The total download volume is estimated to exceed 291 Ten thousand times .

《 The love between light and night 》 Android downloads , Data source: Qimai data

And this game with tens of millions of downloads , But because of being unpacked , Caused an unprecedented network storm .

In the game 《 The love between light and night 》 in , The heroine played by the player can attack many male protagonists . It was one of the men who was unpacked this time “ Xia Mingxing ” Birthday card for , It was supposed to be 5 month 22 The information released on the th was released on the social platform by the unpacker nearly a month in advance .

It's like you plan the proposal process without telling your girlfriend , And the other party already knows the details , This sense of surprise and failure triggered the wrath of fans , One after another, they asked the government to deal with the unpackers by legal means .

After the official handed the lawyer's letter to the unpacker , But it caused the dissatisfaction of other players , Before, when other hero game resources were unpacked, the official only sent a Weibo warning , In this way “ Differential treatment ” Let them not accept . thus , The curse war between different camps in a game circle has begun , The official is caught in it , disoriented .

Another Tencent product “ National level ” Mobile Games 《 Glory of Kings 》 I was also troubled by unpacking , In the game “ Five tigers will ”“ Four beauties ” Series of skin Skill effects and some modeling were revealed on major platforms , It triggered players' criticism of the official production level , Finally, overturn and redo , The previous plan was in vain , It's a huge loss .

Unpacking occurs frequently , How to protect game resources ?

Unpacking will have a huge impact on game operation , There are even hidden dangers of game security , Pictures in game resources 、 Video or script , Are the intellectual property of the game , If it is unlocked by the cracker or competitor , Get the content , The impact on the game will be incalculable .

《 halo 4》 Art materials have been plagiarized

Besides , If game resources are modified, they will also produce plug-in effects .

some FPS The game resource material has been modified to be transparent , Realize the perspective effect

Many games now recognize that Assetbundle The importance of resource encryption , But how to encrypt game resources at the same time , Decryption costs very little , This problem has become the pain point of many games .

FairGuard The R & D team spends a lot of time on unity The engine does black box analysis , Make sure. Assetbundle Loading mechanism and its file structure . The following encryption scheme is formulated ：

First of all, through the right Assetbundle File structure analysis , Find the core file block of the resource file , Encrypt the core file block , Then when the game is running , Yes unity engine Assetbundle Loading time for burying point , Decrypt the core file block at the buried point .

Before and after encryption Assetbundle Resource effect comparison