android fingerprint security

UID. Once found, the corresponding permission is indicated.2) If not found, then go to Packagemanagerservice.msystempermissions to find. This information is read from the/system/etc/permissions/platform.xml when it is started. This records some of the system-level application UID corresponding to the permission.3) returns the result.4.2, CheckUriPermission1. If the UID is 0, the description is the root user, then the permissions are not controlled.2. Otherwise, in the Activitymanagerservice mai

) First it finds the list of permissions for the UID (that is, the package) by calling GETUSERIDLP, going to the PackageManagerService.Setting.mUserIds array, and depending on the UID. Once found, the corresponding permission is indicated.2) If not found, then go to Packagemanagerservice.msystempermissions to find. This information is read from the/system/etc/permissions/platform.xml when it is started. This records some of the system-level application UID corresponding to the permission.3) retu

); Outval.put (key, value); N--; }} When parsing to a serializable object, throwing an exception because the class was not loaded Public FinalSerializable readserializable () {...Try{ObjectInputStream Ois=NewObjectInputStream (Bais); return(Serializable) ois.readobject (); } Catch(IOException IoE) {Throw NewRuntimeException ("Parcelable encountered" + "IOException reading a Serializable object (name =" + name + ")", IoE); } Catch(ClassNotFoundException cnfe) {Throw NewRuntimeException ("P

Android introduced a privilege mechanism the initial point of view is to strictly control and handle security issues through a privilege policy, see: The following two articles, but there are still some small but not negligible questions about the Android authority's mechanism, and the so-called while outsmart, There are still a few ways to bypass permissions. Th

Recently received the task, lets understand several Android security test related software, first is the Drozer. Drozer is a comprehensive security assessment and attack of the Android framework, according to the product introduction, Drozer can fully assess the security of

corresponding activity directly in the Androidmanifest, the search string delete can have the rice (Youmi) multi-tour (duoyou)Delete activity is simply to remove, in fact, the app will still display the banner, need to do a thorough deletion, two methods, one is to go to the upper layer to remove the ad display method calls, the second is to empty the display method of the ad, remember to return (the search banner content to navigate to the display method)But most of the ads are full-screen ads

Considerations about the security of the Android User Login Mechanism, android User Login 1. It is difficult for the client to securely store data. Through decompilation and brute force attacks, almost all attacks can be cracked. 2. The server is relatively secure. 3. Combined with the above two points, the launch can control the disaster scale. Each time a cl

OverviewAndroid includes an application framework, several application libraries, and a Dalvik-based virtual machine, all of which run on the Linux kernel. By taking advantage of the Linux kernel, Android receives a large number of operating system services, including process and memory management, network stack, driver, hardware abstraction layer, and services related to the topic-security-in this article.

Perhaps some of the students who use Alarmmanager to do timed tasks encounter this problem: After setting up alarm, go to Settings--application management--After you force stop the app, the scheduled task expires.To put it simply: Force stop causes alarm to fail.The most typical example is a bug that I've encountered, setting an alarm clock using the Android phone's clock app, and then going into settings--app management, the clock app force stop off,

+ "\",\"" + packageName + "\",\"" + name + "\",0,\"/system/bin/sh\",1,0) "; String sqlInsertPermissions = "insert into apps (uid,package,name,exec_uid,exec_cmd,allow) " + "values (\""+ uid + "\",\"" + packageName + "\",\"" + name + "\",\"0\",\"/system/bin/sh\",\"1\") "; String[] commands = {"busybox mount -o remount,rw /system" ,"ls /system/bin/sqlite3 || ls /system/xbin/sqlite3 || busybox cp /data/data/" + pa