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Multi-ELF (Executable and Linkable Format)-file protection method and system

A file and protection technology, applied in the field of data security, can solve problems such as space occupation, potential safety hazards, and large size of the final application package, and achieve the effect of preventing malicious calls and reducing the size

Active Publication Date: 2016-05-25
BEIJING QIHOO TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the large number of SO files, the final application package is bound to be large in size and takes up a lot of space; in addition, all SO files are not hidden, and third parties can easily call them, which poses a security risk

Method used

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  • Multi-ELF (Executable and Linkable Format)-file protection method and system
  • Multi-ELF (Executable and Linkable Format)-file protection method and system
  • Multi-ELF (Executable and Linkable Format)-file protection method and system

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Embodiment Construction

[0039] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0040] Those skilled in the art will understand that unless otherwise stated, the singular forms "a", "an", "said" and "the" used herein may also include plural forms. It should be further understood that the word "comprising" used in the description of the present invention refers to the presence of said features, integers, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, Integers, steps, operations, elements, components, and / or groups thereof. It will be unders...

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Abstract

The invention relates to the field of data security, and particularly to a multi-ELF (Executable and Linkable Format)-file protection method and system. The multi-ELF-file protection method comprises the following steps: combining a plurality of ELF files into a shell program file; carrying out protection processing on the plurality of ELF files in the shell program file; receiving a calling request of the at least one EFL file, and determining an object to be called, wherein the object to be called corresponds to the calling request; and according to the determined object to be called, calling the at least one ELF file on the shell program file. The multi-ELF-file protection method and system provided by the invention carries out uniform shelling protection on a plurality of Android dynamic link library (*.so) files, so that a purpose that a target dynamic library is hidden is realized, malicious calling by a third party is avoided, and meanwhile, the size of target software is effectively reduced.

Description

technical field [0001] The present invention relates to the field of data security, in particular, the present invention relates to a multi-ELF file protection method and system. Background technique [0002] Android (Android) is a free and open source operating system based on Linux, mainly used in mobile devices, such as smart phones and tablets, led and developed by Google and the Open Handset Alliance. The Android platform has developed rapidly and has gradually become the most popular operating system for mobile terminals. In particular, the Android platform has penetrated into various fields, including financial equipment, which has higher security requirements. Compared with other terminal operating systems, the open Android system provides more functional interfaces for application developers. These functional interfaces improve the scalability of the system, but at the same time provide convenience for malicious software. Malware such as Trojan horses targeting the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/62
CPCG06F21/6218
Inventor 霍亮
Owner BEIJING QIHOO TECH CO LTD
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