feat: signature check

Co-authored-by: tehcneko <[email protected]>

README.md

@@ -150,6 +150,8 @@ Build:
    ./gradlew assembleMini<Debug/Release/ReleaseNoGcm>
    ```
 
+8. Generate `TMessagesProj/jni/integrity/genuine.h` - https://github.com/brevent/genuine
+
 ----
 
 ## Compilation with GitHub Action
@@ -182,6 +184,8 @@ Then, use base64 to encode the above.
 
 4. Run Release Build
 
+5. Generate `TMessagesProj/jni/integrity/genuine.h` - https://github.com/brevent/genuine
+
 ## FAQ
 
 #### What is the differences between Nagram, NekoX and Nekogram?

TMessagesProj/jni/CMakeLists.txt

@@ -485,6 +485,9 @@ target_include_directories(breakpad PUBLIC
 #voip
 include(${CMAKE_HOME_DIRECTORY}/voip/CMakeLists.txt)
 
+# verify
+include(${CMAKE_HOME_DIRECTORY}/integrity/CMakeLists.txt)
+
 set(NATIVE_LIB "tmessages.49")
 
 #tmessages
@@ -789,6 +792,7 @@ target_link_libraries(${NATIVE_LIB}
         android
         OpenSLES
         cpufeatures
+        genuine
         breakpad)
 
 

TMessagesProj/jni/integrity/CMakeLists.txt

@@ -0,0 +1,13 @@
+add_library(genuine STATIC
+        integrity/am-proxy.c
+        integrity/apk-sign-v2.c
+        integrity/common.c
+        integrity/genuine.c
+        integrity/inline.c
+        integrity/openat.c
+        integrity/path.c
+        integrity/plt.c)
+target_compile_options(genuine PUBLIC
+        -Oz -Wall -fvisibility=hidden)
+target_include_directories(genuine PUBLIC
+        integrity)