JNIEXPORT jstring JNICALL Java_net_iaround_utils_NativeLibUtil_aaa
(JNIEnv *env, jobject ob, jobject paramContext, jobject paramPackageInfo, jstring paramString1, jstring paramString2)
{SHA1Context context;jstring ret=0;JNIEnv* p_env=env;char cifferbuf[128]={0};char buf[64]={0};jclass obClass=env->GetObjectClass(ob);char *pString="()Ljava/lang/String;";jmethodID  reusltID=p_env->GetMethodID(obClass,"getPackageName","()Ljava/lang/String;");jobject retObject=p_env->CallObjectMethod(paramContext,reusltID);jboolean boolean=0;const char *str=p_env->GetStringUTFChars((jstring)retObject,&boolean);bool cmpResult=strcmp("net.iaround",str);if(cmpResult==0){ret=p_env->NewStringUTF("123456");}else{char destBuffer[128]={0};const char* s1=p_env->GetStringUTFChars(paramString1,&boolean);const char *s2=p_env->GetStringUTFChars(paramString2,&boolean);__android_log_print(4, "logfromc", "%s",s1);__android_log_print(4, "logfromc", "%s",s2);int len1=strlen(s1);int len2=strlen(s2);memcpy(destBuffer,s1,len1);memcpy(destBuffer+len1,s2,len2);jclass packageInfo= p_env->GetObjectClass(paramPackageInfo);ret=(jstring)packageInfo;if(packageInfo){jfieldID signatures=p_env->GetFieldID(packageInfo,"signatures","[Landroid/content/pm/Signature;");ret=(jstring)signatures;if(signatures){jobjectArray sigarray=(jobjectArray)p_env->GetObjectField(paramPackageInfo,signatures);if(sigarray){jsize sigLength=p_env->GetArrayLength(sigarray);if(sigLength>0){jobject ob=p_env->GetObjectArrayElement(sigarray,0);if(ob){jclass jc=p_env->GetObjectClass(ob);if(jc){jmethodID id=p_env->GetMethodID(jc,"toCharsString","()Ljava/lang/String;");if(id){jstring sigString =(jstring)p_env->CallObjectMethod(ob,id);const char* sigStr=p_env->GetStringUTFChars(sigString,&boolean);int passLen=strlen(destBuffer);memcpy(cifferbuf,sigStr+16,32);//__android_log_print(4, "logfromc", "%s",sigStr+16);//memcpy(cifferbuf,"a00302010202044e549d3a300d06092a",32);memcpy(cifferbuf+32,destBuffer,passLen);__android_log_print(4, "logfromc", "cifferString:%s",cifferbuf);SHA1Reset(&context);int cifferlen=strlen(cifferbuf);SHA1Input(&context,cifferbuf,cifferlen);//memset(&v51, 48, 0x29u);memset(buf,0,sizeof(buf));if(SHA1Result(&context)){sprintf(buf, "%08X%08X%08X%08X%08X", context.Message_Digest[0],context.Message_Digest[1],context.Message_Digest[2],context.Message_Digest[3],context.Message_Digest[4]);}else{__android_log_print(4, "logfromc", "ERROR-- could not compute message digest\n");}ret=p_env->NewStringUTF(buf);}}}}}}}}return ret;
}

最初由 exile发布 

点一下编辑就行了 哈哈 被警告了吧

最初由 杨剑超发布 

那倒是没有，感觉这个我技术太水了。。想技术好点以后再出来发贴

最初由 cnywco发布 

写的很不错啊。、

最初由 chmlqw发布 

貌似IDA6.6 自动导入了jni.h这个文件了