# 코드 난독화

안드로이드에서는 코드난독화를 위하여 ProGuard와 DexGuard를 주로 사용하며, 주요 차이점은 다음과 같습니다.

#### ProGuard

* Java Class 파일을 축소, 최적화, 난독화, 사전 검증할 수 있는 무료 도구 
* 무료
* <https://developer.android.com/studio/build/shrink-code?hl=ko>

#### DexGuard

* 소스코드 난독화및 최적화, 문자열 암호화, 중요 API 숨김처리, Class 암호화
* 유료
* <https://www.guardsquare.com/dexguard>

{% embed url="<https://www.youtube.com/watch?v=OkAYkt2iC_c>" %}


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