WO2015100963A1 - 数据卡的应用方法及数据卡 - Google Patents

数据卡的应用方法及数据卡 Download PDF

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Publication number
WO2015100963A1
WO2015100963A1 PCT/CN2014/080253 CN2014080253W WO2015100963A1 WO 2015100963 A1 WO2015100963 A1 WO 2015100963A1 CN 2014080253 W CN2014080253 W CN 2014080253W WO 2015100963 A1 WO2015100963 A1 WO 2015100963A1
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WO
WIPO (PCT)
Prior art keywords
modified
data card
card
password
memory card
Prior art date
Application number
PCT/CN2014/080253
Other languages
English (en)
French (fr)
Inventor
晁鹏辉
张景瑞
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to JP2016543170A priority Critical patent/JP6313453B2/ja
Priority to EP14877103.3A priority patent/EP3091469B1/en
Publication of WO2015100963A1 publication Critical patent/WO2015100963A1/zh

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Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60Protecting data
    • G06F21/62Protecting access to data via a platform, e.g. using keys or access control rules
    • G06F21/629Protecting access to data via a platform, e.g. using keys or access control rules to features or functions of an application

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a data card application method and a data card.
  • BACKGROUND With the development of communication technologies, communication methods between network terminals are increasingly rich.
  • Data cards also known as wireless modems
  • Data cards have the advantages of small size, fast transmission speed, and convenience and flexibility, so they are increasingly favored by people.
  • the SD card is a semiconductor flash memory-based storage device with high capacity, high speed and low power consumption. It is widely used in electronic products such as mobile phones and digital cameras. At present, many electronic devices provide an SD card expansion interface. When an SD card is used, it is generally inserted into a card reader or a data card, and then the card reader or data card is connected to the network terminal, and the network terminal can use the SD. The file in the card. However, due to the lack of further restrictions or corresponding protection measures for existing data cards, some enterprise personnel can easily copy information from network terminals by using internal data cards and SD cards, which easily leaks enterprise information and causes large or large enterprises. Or a small loss.
  • a main object of the embodiments of the present invention is to provide a data card application method and a data card, which are intended to implement a certain limitation on a memory card using the data card, thereby improving the security of internal information of the enterprise.
  • a method for applying a data card includes: determining, after the data card is initialized, the data card is connected to the terminal and the memory card is inserted into the data card When the usage status of the memory card is modified, the configuration information in the data card is modified when the modified passwords acquired twice are consistent; Re-determining the usage status of the memory card according to the modified configuration information, and performing corresponding operations on the memory card according to the re-determined usage status.
  • determining the use status of the memory card when the data card is initialized comprises: reading the data by the data card during initialization
  • the configuration information in the card determines the usage status of the memory card, and the usage status includes an enabled state and a disabled state.
  • the modifying the configuration information in the data card when the two acquired modified passwords are consistent comprises: when the storage is disabled for the first time When the card is used, the first modified password and the second modified password are sequentially input; when the second modified password is consistent with the first modified password, the configuration information in the data card is modified; Disabling the memory card, obtaining the input first modified password and the pre-stored modified password in the data card; modifying the configuration information in the data card when the pre-stored modified password is consistent with the first modified password.
  • the modifying the configuration information in the data card when the two acquired modified passwords are consistent comprises: obtaining the input first modified password and the Pre-storing the modified password in the data card; modifying the configuration information in the data card when the first modified password is consistent with the pre-stored modified password.
  • the method further includes: when the pre-stored modified password is stored in the data card, changing the pre-stored modified password and storing.
  • the embodiment of the present invention further provides a data card, including: a determining module, configured to: after the data card is connected to the terminal and the memory card is inserted into the data card, determine a usage state of the memory card when the data card is initialized; a module, configured to modify the configuration information in the data card when the modified passwords acquired twice are consistent when the usage status of the memory card is modified; The operation module is configured to re-determine the usage status of the memory card according to the modified configuration information, and perform corresponding operations on the memory card according to the re-determined usage status.
  • the determining module is configured to determine a use state of the memory card by reading configuration information in the data card when the data card is initialized, where the use state includes an enabled state and a disabled state.
  • the modifying module when the current enabled state of the memory card is changed to the disabled state, includes: a first acquiring unit, configured to acquire the first input sequentially when the memory card is disabled for the first time Modifying the password and the second modified password; the first modifying unit is configured to modify the configuration information in the data card when the second modified password is consistent with the first modified password; the second obtaining unit is configured to be Not for first disabling the memory card, obtaining the input first modified password and the pre-stored modified password in the data card; the second modifying unit is configured to: when the pre-stored modified password is consistent with the first modified password When the configuration information in the data card is modified.
  • the modifying module when the current disabled state of the memory card is changed to the enabled state, includes: a third acquiring unit, acquiring the input first modified password and the pre-stored modified password in the data card; And modifying the unit, when the first modified password is consistent with the pre-stored modified password, modifying the configuration information in the data card.
  • the method further includes a password change module configured to change the pre-stored modified password and store the data when the pre-stored modified password is stored in the data card.
  • the application method and the data card of the data card provided by the embodiment of the present invention, when the data card is initialized, firstly determine whether the use state of the memory card is enabled or disabled by reading the configuration information in the data card, if necessary, When the memory card is used, you need to obtain the modified password twice, and the configuration information of the data card can be modified only when the modified password obtained twice is consistent.
  • the configuration information in the data card can be guaranteed by obtaining the modified password twice. It is not arbitrarily modified, that is, the memory card using the data card is limited, and the information cannot be easily copied from the network terminal, thereby improving the security of the internal information of the enterprise.
  • FIG. 1 is a schematic flow chart of an embodiment of a method for applying a data card according to the present invention
  • FIG. 2 is a schematic flowchart of a step 102 of an embodiment when the current enabled state of the memory card is changed to a disabled state
  • FIG. 3 is a schematic diagram of a refinement of another embodiment of the step 102 when the current enabled state of the memory card is changed to the disabled state in FIG. 1.
  • FIG. 4 is a schematic diagram of functional blocks of an embodiment of the data card of the present invention.
  • the method includes the following steps: Step S101: After a data card is connected to a terminal and a memory card is inserted into the data card, the data card is The initialization state of the memory card is determined during initialization; wherein, after the data card is connected to the terminal and the memory card is inserted into the data card, the usage state of the memory card is determined by reading the configuration information in the data card when the data card is initialized. The configuration information is stored in the data card, and the usage status of the memory card includes an enabled state and a disabled state.
  • the memory card is mounted as a storage device of the terminal when the data card is initialized, so that the terminal and the memory card are interconnected;
  • the configuration information is that the memory card is disabled, the memory card and the terminal are prohibited from being interconnected when the data card is initialized.
  • the memory card is an SD card.
  • the configuration information in the data card is modified when the two modified passwords are consistent; wherein, after determining whether the memory card is enabled or disabled, Modify the usage status of the memory card by modifying the configuration information stored in the data card.
  • the memory card is not inserted in the data card, it is prohibited to modify the configuration information in the data card.
  • the Connection Managerton of the data card can obtain the modified password in succession.
  • the configuration information can be modified to ensure that the configuration information is not modified at will.
  • One of the modified passwords is a modified password input by the terminal user, and the other modified password may be a modified password input by the terminal user or a pre-stored modified password in the data card.
  • the form of the modified password is not limited, and may be in various forms, such as a password form or a question form.
  • the configuration information is modified when the modified passwords obtained twice are consistent, and the configuration information can be modified by using the extended AT command of the Connection Managerton of the data card.
  • Step S103 re-determining the use status of the memory card according to the modified configuration information, and performing a corresponding operation on the memory card according to the re-determined use status. If the configuration status is changed to the disabled state, the current usage status of the memory card is determined to be disabled; or when the disabled status is changed to the enabled state in the configuration information, the current usage status of the memory card is determined to be enabled.
  • the memory card if the memory card is in an enabled state, the memory card is mounted as a storage device of the terminal, so that the terminal and the memory card are interconnected; if the memory card is in a disabled state, the memory card is removed.
  • the data card when the data card is initialized, it is first determined whether the use state of the memory card is enabled or disabled by reading the configuration information in the data card. If the usage state of the memory card needs to be modified, the password needs to be modified twice. The configuration information of the data card can be modified only when the modified passwords obtained twice are consistent. By obtaining the modified password twice, the configuration information in the data card is not modified arbitrarily, that is, the memory card using the data card is received.
  • the present invention further includes the following steps: When the pre-stored modified password is stored in the data card, the pre-stored modified password is changed and stored. In order to further ensure the security of the data card, in this embodiment, when the pre-stored modified password is already stored in the data card, the user can also change the pre-stored modified password.
  • the method for changing the pre-stored modified password is as follows: First, enter a password. When the data card determines that the entered password is consistent with the pre-stored modified password, enter a new password, and input the new password again as the confirmation password.
  • step S102 when the current enabled state of the memory card is changed to the disabled state, the foregoing step S102 includes: Step S201: Acquire an input first modified password; Step S202, determine the location Whether the data card is the first time to disable the memory card, if yes, proceed to step S203, if no, proceed to step S205; step S203, obtain the input second modified password; step S204, determine whether the second modified password is the first Changing the password is consistent, if yes, proceeding to step S207, if not, proceeding to step S208; step S205, obtaining a pre-stored modified password in the data card; step S206, determining whether the pre-stored modified password is consistent with the first modified password, and if so, entering Step S207, if no, proceed to step S208; Step S207, modify the configuration information in the data card, and end the flow; Step S208, keep
  • the data card enables the memory card by default.
  • the user is required to input the first modified password
  • the second modified password is used as the confirmation password
  • the modified password is recorded in the data card.
  • the first modified password and the second modified password are passwords input by the user
  • the pre-stored modified password is a password stored in the data card.
  • the pre-stored modified password is actually the modified password entered by the last user.
  • the data card records and stores the modified password after the user inputs the modified password. If the pre-stored modified password is not stored in the data card, that is, when the data card disables the memory card for the first time, the user needs to input the same modified password twice, and the data card stores the modified password for the next use.
  • step S102 when the current disabled state of the memory card is changed to the enabled state, the foregoing step S102 includes: Step S301: Acquire an input first modified password and the data card. Pre-stored modified password; Step S302, determining whether the first modified password is consistent with the pre-stored modified password, if yes, proceeding to step S303, if not, proceeding to step S304; step S303, modifying configuration information in the data card; step S304, maintaining configuration information in the data card constant.
  • the present invention provides a data card. Referring to FIG.
  • the data card includes: a determining module 101, configured to: when the data card is connected to the terminal and the memory card is inserted into the data card, when the data card is initialized Determining the usage status of the memory card; wherein, after the data card is connected to the terminal and the memory card is inserted into the data card, the determining module 101 determines the usage status of the memory card by reading the configuration information in the data card when the data card is initialized.
  • the configuration information is stored in the data card, and the usage status of the memory card includes an enabled state and a disabled state.
  • the memory card is mounted as a storage device of the terminal when the data card is initialized, so that the terminal and the memory card are interconnected;
  • the configuration information is that the memory card is disabled, the memory card and the terminal are prohibited from being interconnected when the data card is initialized.
  • the memory card is an SD card.
  • the modifying module 102 is configured to: when the usage status of the memory card is modified, modify the configuration information in the data card when the acquired modified passwords are consistent; wherein, after determining whether the memory card is enabled or disabled
  • the modification module 102 can also modify the usage status of the memory card by modifying the configuration information stored in the data card.
  • the memory card is not inserted in the data card, it is prohibited to modify the configuration information in the data card.
  • the Connection Managerton of the data card can obtain the modified password in succession.
  • the configuration information can be modified to ensure that the configuration information is not modified at will.
  • One of the modified passwords is a modified password input by the terminal user, and the other modified password may be a modified password input by the terminal user or a pre-stored modified password in the data card.
  • the form of the modified password is not limited, and may be in various forms, such as a password form or a question form.
  • the configuration information is modified when the modified passwords obtained twice are consistent, and the configuration information can be modified by using the extended AT command of the Connection Managerton of the data card.
  • the operation module 103 is configured to re-determine the usage status of the memory card according to the modified configuration information, and perform a corresponding operation on the memory card according to the re-determined usage status. If the configuration status is changed to the disabled state, the current usage status of the memory card is determined to be disabled; or when the disabled status is changed to the enabled state in the configuration information, the current usage status of the memory card is determined to be enabled.
  • the present invention further includes a password change module configured to change the pre-stored modified password and store when the pre-stored modified password is stored in the data card. .
  • a password change module configured to change the pre-stored modified password and store when the pre-stored modified password is stored in the data card.
  • the user can also change the pre-stored modified password.
  • the method for changing the pre-stored modified password is as follows: First, enter a password.
  • the data card determines that the entered password is consistent with the pre-stored modified password, enter a new password, and input the new password again as the confirmation password. At this point, the data card is stored. The new password is used as the pre-stored modified password for the next use.
  • the module is modified when the current enabled state of the memory card is changed to the disabled state.
  • the first obtaining unit is configured to: when the memory card is disabled for the first time, acquire the first modified password and the second modified password that are sequentially input; the first modifying unit is configured to be the second modified password Modifying the configuration information in the data card when the first modified password is consistent; the second obtaining unit is configured to obtain the input first modified password and the data when the memory card is not disabled for the first time The pre-stored modified password in the card; the second modifying unit is configured to modify the configuration information in the data card when the pre-stored modified password is consistent with the first modified password.
  • the data card enables the memory card by default.
  • the user When the memory card is disabled for the first time, the user is required to input the first modified password, and the second modified password is used as the confirmation password, and the modified password is recorded in the data card.
  • the first modified password and the second modified password are passwords input by the user, and the pre-stored modified password is a password stored in the data card.
  • the pre-stored modified password is actually the modified password entered by the last user.
  • the data card records and stores the modified password after the user inputs the modified password. If the pre-stored modified password is not stored in the data card, that is, when the data card disables the memory card for the first time, the user needs to input the same modified password twice, and the data card stores the modified password for the next use.
  • the modifying module 102 when the current disabled state of the memory card is modified to an enabled state, includes: a third obtaining unit, acquiring the input first modified password and pre-existing in the data card Modifying the password; the third modifying unit, when the first modified password is consistent with the pre-stored modified password, modifying the configuration information in the data card.
  • the serial numbers of the embodiments of the present invention are merely for the description, and do not represent the advantages and disadvantages of the embodiments.
  • the technical solution of the present invention which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium (such as a ROM/RAM, a disk,
  • a storage medium such as a ROM/RAM, a disk
  • the optical disc includes a number of instructions for causing a terminal device (which may be a mobile phone, a computer, a server, or a network device, etc.) to perform the methods described in various embodiments of the present invention.
  • a terminal device which may be a mobile phone, a computer, a server, or a network device, etc.
  • the above technical solution provided by the present invention is applied to a data card application process, and when the data card is initialized, it is first determined whether the use state of the memory card is the enabled state or the disabled state by reading the configuration information in the data card. If you need to modify the usage status of the memory card, you need to obtain the modified password twice, and the configuration information of the data card can be modified only when the modified passwords obtained twice are consistent. By obtaining the modified password twice, the data card can be guaranteed.
  • the configuration information is not arbitrarily modified, that is, the memory card using the data card is limited, and the information cannot be easily copied from the network terminal, thereby improving the security of the internal information of the enterprise.

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Abstract

一种数据卡的应用方法及数据卡,其中,所述数据卡的应用方法包括:当数据卡连接终端且存储卡插入所述数据卡后,在所述数据卡初始化时确定所述存储卡的使用状态;当修改所述存储卡的使用状态时,在两次获取的修改口令一致时修改所述数据卡中的配置信息;根据修改后的配置信息重新确定所述存储卡的使用状态,并根据重新确定的使用状态对所述存储卡执行相应的操作,该方法能够实现使用该数据卡的存储卡受到一定的限制,提高企业内部信息的安全性。

Description

数据卡的应用方法及数据卡 技术领域 本发明涉及通信技术领域, 尤其涉及一种数据卡的应用方法及数据卡。 背景技术 随着通信技术的发展, 网络终端之间的通讯方式日益丰富。 数据卡 (也称为无线 调制解调器) 是一种高速移动数据网中常用的新型互联设备, 还可用于网络设备的无 线上网。 数据卡具有体积小、 传输速度快及方便灵活的优点, 因此越来越来越受到人 们的青睐。
SD卡是一种基于半导体快闪记忆器的存储设备,具有大容量、高速度和低功耗等 特点, 广泛应用于手机、 数码相机等电子产品中。 目前很多的电子设备都提供 SD卡 扩展接口, 在 SD卡使用时, 一般将其插入读卡器中或者数据卡中, 再将读卡器或者 数据卡与网络终端连接, 网络终端即可使用 SD卡中的文件。 但是, 现有的数据卡由于没有进一步的限制或者相应的保护措施, 一些企业人员 使用内部提供的数据卡和 SD卡能够轻易地从网络终端中拷贝信息, 容易泄漏企业信 息, 给企业造成或大或小的损失。 上述内容仅用于辅助理解本发明的技术方案,并不代表承认上述内容是现有技术。 发明内容 本发明实施例的主要目的在于提供一种数据卡的应用方法及数据卡, 旨在实现使 用该数据卡的存储卡受到一定的限制, 提高企业内部信息的安全性。 为实现上述目的, 本发明实施例提供的一种数据卡的应用方法, 包括: 当数据卡连接终端且存储卡插入所述数据卡后, 在所述数据卡初始化时确定所述 存储卡的使用状态; 当修改所述存储卡的使用状态时, 在两次获取的修改口令一致时修改所述数据卡 中的配置信息; 根据修改后的配置信息重新确定所述存储卡的使用状态, 并根据重新确定的使用 状态对所述存储卡执行相应的操作。 优选地, 所述当数据卡连接终端且存储卡插入所述数据卡后, 在所述数据卡初始 化时确定所述存储卡的使用状态包括: 在所述数据卡初始化时通过读取所述数据卡中的配置信息确定所述存储卡的使用 状态, 所述使用状态包括启用状态及禁用状态。 优选地, 当将所述存储卡当前的启用状态修改为禁用状态时, 所述在两次获取的 修改口令一致时修改所述数据卡中的配置信息包括: 当为第一次禁用所述存储卡时, 获取先后输入的第一修改口令及第二修改口令; 当所述第二修改口令与所述第一修改口令一致时,修改所述数据卡中的配置信息; 当不为第一次禁用所述存储卡, 获取输入的第一修改口令及所述数据卡中的预存 修改口令; 当所述预存修改口令与所述第一修改口令一致时,修改所述数据卡中的配置信息。 优选地, 当将所述存储卡当前的禁用状态修改为启用状态时, 所述在两次获取的 修改口令一致时修改所述数据卡中的配置信息包括: 获取输入的第一修改口令及所述数据卡中的预存修改口令; 当所述第一修改口令与所述预存修改口令一致时,修改所述数据卡中的配置信息。 优选地, 还包括: 当所述数据卡中储存有预存修改口令时, 更改该预存修改口令 并存储。 本发明实施例还提供一种数据卡, 包括: 确定模块, 设置为当数据卡连接终端且存储卡插入所述数据卡后, 在所述数据卡 初始化时确定所述存储卡的使用状态; 修改模块, 设置为当修改所述存储卡的使用状态时, 在两次获取的修改口令一致 时修改所述数据卡中的配置信息; 操作模块, 设置为根据修改后的配置信息重新确定所述存储卡的使用状态, 并根 据重新确定的使用状态对所述存储卡执行相应的操作。 优选地, 所述确定模块设置为在所述数据卡初始化时通过读取所述数据卡中的配 置信息确定所述存储卡的使用状态, 所述使用状态包括启用状态及禁用状态。 优选地, 当将所述存储卡当前的启用状态修改为禁用状态时,所述修改模块包括: 第一获取单元, 设置为当为第一次禁用所述存储卡时, 获取先后输入的第一修改 口令及第二修改口令; 第一修改单元, 设置为当所述第二修改口令与所述第一修改口令一致时, 修改所 述数据卡中的配置信息; 第二获取单元, 设置为当不为第一次禁用所述存储卡, 获取输入的第一修改口令 及所述数据卡中的预存修改口令; 第二修改单元, 设置为当所述预存修改口令与所述第一修改口令一致时, 修改所 述数据卡中的配置信息。 优选地, 当将所述存储卡当前的禁用状态修改为启用状态时,所述修改模块包括: 第三获取单元, 获取输入的第一修改口令及所述数据卡中的预存修改口令; 第三修改单元, 当所述第一修改口令与所述预存修改口令一致时, 修改所述数据 卡中的配置信息。 优选地, 还包括口令更改模块, 设置为当所述数据卡中存储有预存修改口令时, 更改该预存修改口令并存储。 本发明实施例提供的一种数据卡的应用方法及数据卡, 在数据卡初始化时, 通过 读取数据卡中的配置信息首次确定存储卡的使用状态为启用状态还是为禁用状态, 若 需要修改存储卡的使用状态时, 需要通过两次获取修改口令, 且两次获取的修改口令 一致时才可对数据卡的配置信息进行修改, 通过两次获取修改口令, 可保证数据卡中 的配置信息不被随意修改, 即使用该数据卡的存储卡受到一定的限制, 不能够轻易地 从网络终端中拷贝信息, 从而提高企业内部信息的安全性。 附图说明 图 1为本发明数据卡的应用方法一实施例的流程示意图; 图 2为图 1中当将存储卡当前的启用状态修改为禁用状态时步骤 102—实施例的 细化流程示意图; 图 3为图 1中当将存储卡当前的启用状态修改为禁用状态时步骤 102另一实施例 的细化流程示意图; 图 4为本发明数据卡一实施例的功能模块示意图。 本发明目的的实现、 功能特点及优点将结合实施例, 参照附图做进一步说明。 具体实施方式 应当理解,此处所描述的具体实施例仅仅用以解释本发明, 并不用于限定本发明。 本发明提供一种数据卡的应用方法, 参照图 1, 在一实施例中, 该方法包括以下 步骤: 步骤 S101 , 当数据卡连接终端且存储卡插入所述数据卡后, 在所述数据卡初始化 时确定所述存储卡的使用状态; 其中, 当数据卡连接终端且存储卡插入数据卡后, 在数据卡初始化时通过读取数 据卡中的配置信息确定存储卡的使用状态。 配置信息存储于数据卡中, 存储卡的使用 状态包括启用状态及禁用状态。 具体地, 若数据卡中的配置信息为存储卡为启用状态时, 则在数据卡初始化时挂 载该存储卡为终端的存储设备, 以便终端与存储卡之间进行互联; 若数据卡中的配置 信息为存储卡为禁用状态时, 则在数据卡初始化时禁止存储卡与终端之间进行互联。 优选地, 该存储卡为 SD卡。 步骤 S102, 当修改所述存储卡的使用状态时, 在两次获取的修改口令一致时修改 所述数据卡中的配置信息; 其中, 在确定存储卡为启用状态或是禁用状态后, 还可以通过修改数据卡中存储 的配置信息来修改存储卡的使用状态。 但是, 如果存储卡未插入数据卡中时, 禁止修 改数据卡中的配置信息。 当修改存储卡的使用状态时, 数据卡的 Connection Managerton可先后获取修改口 令, 在两次获取的修改口令一致时, 可进行修改配置信息, 以保证配置信息不被随意 修改。 其中, 其中之一的修改口令为终端用户输入的修改口令, 另一修改口令可为终端 用户输入的修改口令或者数据卡中的预存修改口令。 修改口令的形式不做限定, 可以 为多种形式, 如为密码的形式或者问题形式等。 其中, 在两次获取的修改口令一致时修改配置信息, 修改配置信息可以通过数据 卡的 Connection Managerton使用扩展的 AT命令进行修改。 步骤 S103 , 根据修改后的配置信息重新确定所述存储卡的使用状态, 并根据重新 确定的使用状态对所述存储卡执行相应的操作。 若配置信息中将启用状态修改为禁用状态后, 重新确定存储卡当前的使用状态为 禁用状态; 或者配置信息中将禁用状态修改为启用状态时, 重新确定存储卡当前的使 用状态为启用状态。 本实施例中, 若存储卡为启用状态时, 则挂载该存储卡为终端的存储设备, 以便 终端与存储卡之间进行互联; 若存储卡为禁用状态时, 则移除存储卡。 本实施例在数据卡初始化时, 通过读取数据卡中的配置信息首次确定存储卡的使 用状态为启用状态还是为禁用状态, 若需要修改存储卡的使用状态时, 需要通过两次 获取修改口令, 且两次获取的修改口令一致时才可对数据卡的配置信息进行修改, 通 过两次获取修改口令, 可保证数据卡中的配置信息不被随意修改, 即使用该数据卡的 存储卡受到一定的限制, 不能够轻易地从网络终端中拷贝信息, 从而提高企业内部信 息的安全性。 在一优选的实施例中, 在图 1所示的实施例的基础上, 本发明还包括以下步骤: 当所述数据卡中储存有预存修改口令时, 更改该预存修改口令并存储。 为了进一步保证数据卡的使用安全, 本实施例当数据卡中已储存有预存修改口令 时, 用户还可以更改该预存修改口令。 其中, 更改预存修改口令的方法为: 首先输入一口令, 在数据卡判断该输入的口 令与预存修改口令一致时, 输入新的口令, 并再次输入新的口令作为确认口令, 至此, 数据卡存储新的口令作为下一次使用的预存修改口令。 在一优选的实施例中, 如图 2所示, 当将存储卡当前的启用状态修改为禁用状态 时, 上述步骤 S 102包括: 步骤 S201 , 获取输入的第一修改口令; 步骤 S202, 判断所述数据卡是否是第一次禁用存储卡, 若是, 则进入步骤 S203, 若否, 则进入步骤 S205 ; 步骤 S203 , 获取输入的第二修改口令; 步骤 S204,判断第二修改口令是否与第一修改口令一致,若是,则进入步骤 S207, 若否, 则进入步骤 S208; 步骤 S205 , 获取数据卡中的预存修改口令; 步骤 S206,判断预存修改口令是否与第一修改口令一致,若是,则进入步骤 S207, 若否, 则进入步骤 S208; 步骤 S207, 修改数据卡中的配置信息, 结束流程; 步骤 S208, 保持数据卡中的配置信息不变, 结束流程。 本实施例中, 数据卡默认启用存储卡, 当首次禁用存储卡时, 需要用户输入第一 修改口令, 并以第二修改口令作为确认口令, 该修改口令将记录在数据卡中。 其中, 第一修改口令与第二修改口令为用户输入的口令, 预存修改口令为数据卡 中储存的口令。 预存修改口令实际上为上一次用户输入的修改口令, 数据卡在用户每 一次输入修改口令后, 记录并存储该修改口令。 若数据卡中没有存储预存修改口令, 即数据卡第一次禁用存储卡时, 则需要用户输入两次相同的修改口令, 数据卡存储该 修改口令以作下一次使用。
在另一优选的实施例中, 如图 3所示, 当将存储卡当前的禁用状态修改为启用状 态时, 上述步骤 S102包括: 步骤 S301 , 获取输入的第一修改口令及所述数据卡中的预存修改口令; 步骤 S302,判断第一修改口令是否与预存修改口令一致,若是,则进入步骤 S303, 若否, 则进入步骤 S304; 步骤 S303 , 修改数据卡中的配置信息; 步骤 S304, 保持数据卡中配置信息不变。 本发明提供一种数据卡, 参照图 4, 在一实施例中, 数据卡包括: 确定模块 101, 设置为当数据卡连接终端且存储卡插入所述数据卡后, 在所述数 据卡初始化时确定所述存储卡的使用状态; 其中, 当数据卡连接终端且存储卡插入数据卡后, 确定模块 101在数据卡初始化 时通过读取数据卡中的配置信息确定存储卡的使用状态。 配置信息存储于数据卡中, 存储卡的使用状态包括启用状态及禁用状态。 具体地, 若数据卡中的配置信息为存储卡为启用状态时, 则在数据卡初始化时挂 载该存储卡为终端的存储设备, 以便终端与存储卡之间进行互联; 若数据卡中的配置 信息为存储卡为禁用状态时, 则在数据卡初始化时禁止存储卡与终端之间进行互联。 优选地, 该存储卡为 SD卡。 修改模块 102, 设置为当修改所述存储卡的使用状态时, 在两次获取的修改口令 一致时修改所述数据卡中的配置信息; 其中, 在确定存储卡为启用状态或是禁用状态后, 修改模块 102还可以通过修改 数据卡中存储的配置信息来修改存储卡的使用状态。 但是, 如果存储卡未插入数据卡 中时, 禁止修改数据卡中的配置信息。 当修改存储卡的使用状态时, 数据卡的 Connection Managerton可先后获取修改口 令, 在两次获取的修改口令一致时, 可进行修改配置信息, 以保证配置信息不被随意 修改。 其中, 其中之一的修改口令为终端用户输入的修改口令, 另一修改口令可为终端 用户输入的修改口令或者数据卡中的预存修改口令。 修改口令的形式不做限定, 可以 为多种形式, 如为密码的形式或者问题形式等。 其中, 在两次获取的修改口令一致时修改配置信息, 修改配置信息可以通过数据 卡的 Connection Managerton使用扩展的 AT命令进行修改。 操作模块 103, 设置为根据修改后的配置信息重新确定所述存储卡的使用状态, 并根据重新确定的使用状态对所述存储卡执行相应的操作。 若配置信息中将启用状态修改为禁用状态后, 重新确定存储卡当前的使用状态为 禁用状态; 或者配置信息中将禁用状态修改为启用状态时, 重新确定存储卡当前的使 用状态为启用状态。 本实施例中, 若存储卡为启用状态时, 则挂载该存储卡为终端的存储设备, 以便 终端与存储卡之间进行互联; 若存储卡为禁用状态时, 则移除存储卡。 在一优选的实施例中, 在图 4所示的实施例的基础上, 本发明还包括口令更改模 块, 设置为当所述数据卡中存储有预存修改口令时, 更改该预存修改口令并存储。 为了进一步保证数据卡的使用安全, 本实施例当数据卡中已储存有预存修改口令 时, 用户还可以更改该预存修改口令。 其中, 更改预存修改口令的方法为: 首先输入一口令, 在数据卡判断该输入的口 令与预存修改口令一致时, 输入新的口令, 并再次输入新的口令作为确认口令, 至此, 数据卡存储新的口令作为下一次使用的预存修改口令。 在一优选的实施例中, 当将存储卡当前的启用状态修改为禁用状态时, 修改模块
102包括: 第一获取单元, 设置为当为第一次禁用所述存储卡时, 获取先后输入的第一修改 口令及第二修改口令; 第一修改单元, 设置为当所述第二修改口令与所述第一修改口令一致时, 修改所 述数据卡中的配置信息; 第二获取单元, 设置为当不为第一次禁用所述存储卡, 获取输入的第一修改口令 及所述数据卡中的预存修改口令; 第二修改单元, 设置为当所述预存修改口令与所述第一修改口令一致时, 修改所 述数据卡中的配置信息。 本实施例中, 数据卡默认启用存储卡, 当首次禁用存储卡时, 需要用户输入第一 修改口令, 并以第二修改口令作为确认口令, 该修改口令将记录在数据卡中。 其中, 第一修改口令与第二修改口令为用户输入的口令, 预存修改口令为数据卡 中储存的口令。 预存修改口令实际上为上一次用户输入的修改口令, 数据卡在用户每 一次输入修改口令后, 记录并存储该修改口令。 若数据卡中没有存储预存修改口令, 即数据卡第一次禁用存储卡时, 则需要用户输入两次相同的修改口令, 数据卡存储该 修改口令以作下一次使用。 在另一优选的实施例中, 当将所述存储卡当前的禁用状态修改为启用状态时, 修 改模块 102包括: 第三获取单元, 获取输入的第一修改口令及所述数据卡中的预存修改口令; 第三修改单元, 当所述第一修改口令与所述预存修改口令一致时, 修改所述数据 卡中的配置信息。 上述本发明实施例序号仅仅为了描述, 不代表实施例的优劣。 通过以上的实施方 式的描述, 本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的 通用硬件平台的方式来实现, 当然也可以通过硬件, 但很多情况下前者是更佳的实施 方式。 基于这样的理解, 本发明的技术方案本质上或者说对现有技术做出贡献的部分 可以以软件产品的形式体现出来, 该计算机软件产品存储在一个存储介质 (如 ROM/RAM, 磁碟、 光盘) 中, 包括若干指令用以使得一台终端设备 (可以是手机, 计算机, 服务器, 或者网络设备等) 执行本发明各个实施例所述的方法。 以上仅为本发明的优选实施例, 并非因此限制本发明的专利范围, 凡是利用本发 明说明书及附图内容所作的等效结构或等效流程变换, 或直接或间接运用在其他相关 的技术领域, 均同理包括在本发明的专利保护范围内。 工业实用性 本发明提供的上述技术方案, 应用于数据卡的应用过程中, 在数据卡初始化时, 通过读取数据卡中的配置信息首次确定存储卡的使用状态为启用状态还是为禁用状 态, 若需要修改存储卡的使用状态时, 需要通过两次获取修改口令, 且两次获取的修 改口令一致时才可对数据卡的配置信息进行修改, 通过两次获取修改口令, 可保证数 据卡中的配置信息不被随意修改, 即使用该数据卡的存储卡受到一定的限制, 不能够 轻易地从网络终端中拷贝信息, 从而提高企业内部信息的安全性。

Claims

权 利 要 求 书 、 一种数据卡的应用方法, 包括: 当数据卡连接终端且存储卡插入所述数据卡后, 在所述数据卡初始化时确 定所述存储卡的使用状态;
当修改所述存储卡的使用状态时, 在两次获取的修改口令一致时修改所述 数据卡中的配置信息; 根据修改后的配置信息重新确定所述存储卡的使用状态, 并根据重新确定 的使用状态对所述存储卡执行相应的操作。 、 如权利要求 1所述的应用方法, 其中, 所述当数据卡连接终端且存储卡插入所 述数据卡后, 在所述数据卡初始化时确定所述存储卡的使用状态包括:
在所述数据卡初始化时通过读取所述数据卡中的配置信息确定所述存储卡 的使用状态, 所述使用状态包括启用状态及禁用状态。 、 如权利要求 2所述的应用方法, 其中, 当将所述存储卡当前的启用状态修改为 禁用状态时, 所述在两次获取的修改口令一致时修改所述数据卡中的配置信息 包括: 当为第一次禁用所述存储卡时, 获取先后输入的第一修改口令及第二修改 口令;
当所述第二修改口令与所述第一修改口令一致时, 修改所述数据卡中的配 置信息; 当不为第一次禁用所述存储卡, 获取输入的第一修改口令及所述数据卡中 的预存修改口令;
当所述预存修改口令与所述第一修改口令一致时, 修改所述数据卡中的配 置信息。 、 如权利要求 2所述的应用方法, 其中, 当将所述存储卡当前的禁用状态修改为 启用状态时, 所述在两次获取的修改口令一致时修改所述数据卡中的配置信息 包括: 获取输入的第一修改口令及所述数据卡中的预存修改口令; 当所述第一修改口令与所述预存修改口令一致时, 修改所述数据卡中的配 置信息。 、 如权利要求 1所述的应用方法, 其中, 还包括: 当所述数据卡中储存有预存修 改口令时, 更改该预存修改口令并存储。 、 一种数据卡, 包括: 确定模块, 设置为当数据卡连接终端且存储卡插入所述数据卡后, 在所述 数据卡初始化时确定所述存储卡的使用状态;
修改模块, 设置为当修改所述存储卡的使用状态时, 在两次获取的修改口 令一致时修改所述数据卡中的配置信息; 操作模块,设置为根据修改后的配置信息重新确定所述存储卡的使用状态, 并根据重新确定的使用状态对所述存储卡执行相应的操作。 、 如权利要求 6所述的数据卡, 其中, 所述确定模块具体设置为在所述数据卡初 始化时通过读取所述数据卡中的配置信息确定所述存储卡的使用状态, 所述使 用状态包括启用状态及禁用状态。 、 如权利要求 7所述的数据卡, 其中, 当将所述存储卡当前的启用状态修改为禁 用状态时, 所述修改模块包括:
第一获取单元, 设置为当为第一次禁用所述存储卡时, 获取先后输入的第 一修改口令及第二修改口令; 第一修改单元, 设置为当所述第二修改口令与所述第一修改口令一致时, 修改所述数据卡中的配置信息;
第二获取单元, 设置为当不为第一次禁用所述存储卡, 获取输入的第一修 改口令及所述数据卡中的预存修改口令; 第二修改单元, 设置为当所述预存修改口令与所述第一修改口令一致时, 修改所述数据卡中的配置信息。 、 如权利要求 7所述的数据卡, 其中, 当将所述存储卡当前的禁用状态修改为启 用状态时, 所述修改模块包括: 第三获取单元,获取输入的第一修改口令及所述数据卡中的预存修改口令; 第三修改单元, 当所述第一修改口令与所述预存修改口令一致时, 修改所 述数据卡中的配置信息。 如权利要求 6所述的数据卡, 其中, 还包括口令更改模块, 设置为当所述数据 卡中存储有预存修改口令时, 更改该预存修改口令并存储。
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