CN100420323C - Method for protecting private files in smart mobile phones - Google Patents

Abstract

The invention discloses a method for protecting private files in a smart mobile phone. The method sets a file system filter between a storage device, a file system driver and an operating system in a smart mobile phone, so as to When the user uses a user interface to perform any file data access action on the storage device through an application program, it will be monitored by the file system filter. When a file name passes the file system filter and meets the When the user encrypts the conditions on the form, the file system filter will read the phone number of a subscriber identification card being used on the smart mobile phone to encrypt and decrypt the file, thereby, Only after inserting the user identification card originally provided for encryption and decryption into the smart mobile phone, can the private files in it be accessed, so that the exposure of the user's private information can be prevented to protect the user Individual Privacy Interests.

Description

Method for protecting private files in smart mobile phones

【Technical field】

The present invention relates to a method for protecting private files, especially a method used on a smart mobile phone (Smart Phone), the method uses the phone number of a subscriber identification card (SIM Card) of the user as the The computer code required for encryption and decryption of private files in a smart mobile phone can only be used after the user inserts the user identification card originally provided for encryption and decryption into the smart mobile phone (that is, the correct user identification card) , to be able to access the private files in it. In this way, the user's private information can be prevented from being exposed, so as to protect the user's personal privacy rights.

【Background technique】

In recent years, due to the vigorous development of the network and communication world, various network and communication devices have been continuously developed and widely used in their living and working environments by all walks of life. This development trend not only accelerates It not only improves the speed and efficiency of information circulation, but also brings great convenience to people's life and work.

With the progress of the electronic industry, various electronic products, such as: personal digital assistant (Personal Digital Assistant, referred to as PDA) and mobile phone (Mobile Phone) ... and other consumer electronic products, not only become thinner and smaller, The price is getting cheaper and cheaper, and various additional functions are constantly introduced on it, which also makes these consumer electronic communication products no longer simply mobile phones or electronic notebooks in the past, but also have other functions such as: support for high-speed Internet access, download games, wireless shopping... And other wireless data communication functions, so that the wireless communication and network services that were out of reach in the past have become readily available, and will become an important part of most people's lives and work in the future.

However, the original intention of the design of the mobile phone is mainly to enable its users to communicate with others at any time, and the original design goal of the personal digital assistant is to become a management tool for personal information management (PIM for short). , For example: basic functions such as personal schedule record management, notepad, phone book, etc., so the personal digital assistant is also called an electronic hand account (organizer).

In addition, due to the current global mobile communication system (GSM) and analog mobile phone system (AMPS), due to the relationship between bandwidth (Bandwidth), it cannot carry too much transmission capacity, and can only transmit sound and a small amount of graphics, so in communication After the advent of the era of technology integrated with computers, today's mobile phones not only have the main function of communication, but also integrate wireless transmission and notepad functions, and develop an intelligent mobile phone that combines the functions of a mobile phone and a personal digital assistant (PDA). Mobile phone (Smart Phone), in addition to being used as a mobile communication tool for voice communication, it also has the functions of personal information management, sending and receiving e-mail (E-mail) on the Internet, reading news, downloading information, data fax or company intranet Link (Link), as well as more comfortable touch and screen display, has become a third-generation mobile phone (3G) with stronger functions, so smart phones (Smart Phone) have gradually become one of the most popular electronic products.

However, when the user's beloved smart mobile phone must be sent for repair due to a breakdown, some private files such as photos and data stored in the smart phone (Smart Phone) will also be left to the maintenance company. The random access of relevant personnel leads to the leakage and exposure of the user's personal private files, causing serious damage to their privacy rights. The relevant protection technology can protect the rights and interests of users, but the smart mobile phone is one of the most popular electronic products at present.

Therefore, if there is a design that can prevent the private information in the user's smart mobile phone from being exposed when it is sent for repair, so as to protect the user's personal privacy rights, it is believed to be a demand that the user is willing to look forward to. At the same time, the selling point of the smart mobile phone product can be increased to improve its market competitiveness.

【Content of invention】

The purpose of the present invention is to design a kind of when the user's smart mobile phone is sent for repair, the photos, data... and other private files stored in the smart mobile phone will not be arbitrarily accessed by irrelevant personnel , to protect the privacy rights of individual users.

A method for protecting private files in an intelligent mobile phone of the present invention comprises the following steps:

A file system filter is provided between a storage device, a file system driver and an operating system in a smart mobile phone;

When the user uses a user interface on the smart mobile phone to perform any file data access action on the storage device through an application program, it will be monitored by the file system filter;

When a file name passes through the file system filter and meets the conditions on an encrypted form of the user, the file system filter will read the phone number of a subscriber identification card in use on the smart mobile phone to The action of encrypting and decrypting the file;

In this way, only after inserting the user identification card originally provided for encryption and decryption into the smart mobile phone, can the private files in it be accessed.

The present invention sets an encryption form by the user to determine which types of file data, or file data in which directories need to be protected by encryption, and at the same time, through the judgment of a file system filter in the smart mobile phone , and cooperate with the phone number of a user identification card in use to encrypt and decrypt the file data, so that when the smart mobile phone receives an order to read the file data, if the When the user identification card inserted is not originally used for encryption and decryption, the user will not be able to obtain the correct content of the file data he wants to read. In this way, the user's private information can be prevented from being exposed, and the The purpose of protecting the user's personal privacy rights and interests, and at the same time, effectively solve the shortcomings described in the prior art.

【Description of drawings】

Fig. 1 is the schematic block diagram of each processing unit of the present invention;

Fig. 2 is the implementation flowchart of the present invention.

【Detailed ways】

The present invention is a method for protecting private files in a smart mobile phone, as shown in Figure 1, the method is driven by a storage device 11 (storage) and a file system in a smart mobile phone 10 (smart phone) Between the program 12 (file system driver) and an operating system 13 (Operating System, referred to as OS), a file system filter 14 (file system filter) is set, so that when the user utilizes a user interface 15 (User Interface) through a When the application program 16 (Application Program, referred to as AP) performs any file data access action on the storage device 11, it will be monitored by the file system filter 14. When a file name passes through the file system filter 14 and meets the When the conditions on the user-encrypted form 17, the file system filter 14 will read the phone number of a subscriber identification card 18 (Subscriber Identify Module Card, SIM Card) being used on the smart mobile phone 10, to This file is carried out the action of encrypting, deciphering, by this, only after inserting the user identification card 18 (that is correct user identification card) that provides as encryption, deciphering to use in this smart mobile phone 10 originally, just can Access to the private files in it, so that the user's private information can be prevented from being exposed, so as to protect the user's personal privacy rights.

In the present invention, the storage device 11 is used to save the user's file data, and provide the file data according to the order; and the file system driver 12 is used to name the file data, organize them, and Store its control on the storage device 11; and the operating system 13 is used to manage the file data circulation of the smart mobile phone 10 and the start and stop of the program, and control the file system driver 12 to access the file data to On the storage device 11; and the file system filter 14 is used to name and organize the file data, and separate the data or signals according to the conditions on the encryption form 17, and read the file being used on the smart mobile phone 10 The phone number of the user identification card 18 is used to encrypt and decrypt the file; the user interface 15 is used for the operation between the user and the smart mobile phone 10, including a screen, operation buttons... etc.; The application program 16 is a program written by the user in order to be applied to the user's work. Therefore, the user can specify which types of file data or file data in which directories need to be encrypted through a setting program. Protection; the encrypted form 17 converts the data input by the user through the user interface 15 into an ordered set form according to specified rules.

An example is given below to illustrate the operation steps of the present invention. When the smart mobile phone 10 completes the encrypted form 17 input by the user and starts it up, the operating system 13 in it will process according to the following steps, as shown in FIG. 2 :

Step (201) First, the application program 16 performs a file data access operation on the storage device 11;

After step (202), the file system filter 14 will judge the file data according to the condition on the encryption form 17? If the file data meets the condition on the encryption form 17, then proceed to the next step (203), if the file data does not meet the condition on the encryption form 17, then proceed to the step (204);

Step (203) reads the telephone number of the subscriber identification card 18 being used on the smart mobile phone 10 to encrypt and decrypt the file data, and ends the process of encrypting and decrypting the file data.

Step (204) indicates that the file data does not need to be encrypted and decrypted, and the process of encrypting and decrypting the file data ends.

Therefore, it can be clearly known that the greatest feature of the present invention is that the user can set the protection conditions and data on the encryption form 17 by himself, so as to determine which types of file data, or the file data in which directories need to be protected. Encryption protection, at the same time, through the judgment of the file system filter 14, and cooperate with the phone number of the user identification card 18 in use, to encrypt and decrypt the file data.

In this way, when the smart mobile phone 10 receives an order to read the file data, if the inserted user identification card 18 is not the original user identification card 18 used for encryption and decryption, then use The user will not be able to successfully obtain the correct content of the file data they want to read, so that the exposure of the user's private data can be prevented, and the purpose of protecting the user's personal privacy rights can be effectively solved, and the shortcomings described in the previous technology can be effectively solved. , the present invention is actually a humanized design.

Claims (5)

1. method of protecting private file in the intelligent mobile phone; it is applied to the storage device in the intelligent mobile phone; this storage device is preserved user's archives material by an archives economy driver, an archives economy filter and an operating system; and according to the order these archives materials can be put forward the supply, it is characterized in that this method may further comprise the steps:

When the user utilizes on this intelligent mobile phone user's interface to see through an application program this storage device is carried out the archives material access action, can be subjected to the supervision of this archives economy filter;

When a file name is passed through this archives economy filter, and when meeting the condition on user's one encryption list, this archives economy filter just can read the telephone number of a Subscriber Identity Module that is using on this intelligent mobile phone, with the action that these archives are encrypted, deciphered;

Whereby, only insert original provided as encrypt, the Subscriber Identity Module of deciphering usefulness to this intelligent mobile phone after, can its interior private file of access.

2. the method for private file in the protection intelligent mobile phone as claimed in claim 1, it is characterized in that: this storage device is used for preserving user's archives material, and these archives materials can be put forward supply according to order;

This archives economy driver is in order to the name of this archives material, tissue, and its control is deposited to this storage device;

This operating system is used for managing the archives material circulation of this intelligent mobile phone and the start and stop of program, and controls this this archives material of archives economy driver access to this storage device;

This archives economy filter is in order to name this archives material, organize, and tell data or signal according to the condition on this encryption list, read the telephone number of the Subscriber Identity Module that is using on this intelligent mobile phone, with the action that these archives are encrypted, deciphered;

This user's interface comprises a picture, action button in order to as the operation between user and this intelligent mobile phone;

This application program comprises an encipheror, promptly sees through a setting program to specify the archives material of which type, perhaps exists the archives material in which catalogue need be subjected to encipherment protection to produce an encryption list;

This encryption list is imported the user through user's interface data converts the list of an ordered set to according to specified rule.

3. the method for private file in the protection intelligent mobile phone as claimed in claim 2 is characterized in that: when this intelligent mobile phone when finishing encipheror, the operating system in it will be handled according to the following step:

At first, this application program is carried out the access action of an archives material to this storage device;

Afterwards, this archives economy filter can be judged this archives material according to this condition of encrypting on the list, meet the condition of encrypting on the list when this archives material, then read the telephone number of the Subscriber Identity Module that is using on this intelligent mobile phone, so that this archives material is encrypted, deciphered.

4. the method for private file in the protection intelligent mobile phone as claimed in claim 3 is characterized in that: when this archives material does not meet the condition of encrypting on the list, represent that then this archives material need not to encrypt, decipher.

5. the method for private file in the protection intelligent mobile phone as claimed in claim 4; it is characterized in that: when receiving one when desiring to read the order of archives material; if the Subscriber Identity Module that inserted this moment; be not originally as encrypting, when deciphering the Subscriber Identity Module of usefulness, can't obtaining the correct content that it desires to read archives material smoothly.

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