WO2009106004A1 - 基于wapi的手机数字证书存取方法和系统 - Google Patents

基于wapi的手机数字证书存取方法和系统 Download PDF

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Publication number
WO2009106004A1
WO2009106004A1 PCT/CN2009/070547 CN2009070547W WO2009106004A1 WO 2009106004 A1 WO2009106004 A1 WO 2009106004A1 CN 2009070547 W CN2009070547 W CN 2009070547W WO 2009106004 A1 WO2009106004 A1 WO 2009106004A1
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WIPO (PCT)
Prior art keywords
file
digital certificate
access
sim card
certificate
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PCT/CN2009/070547
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English (en)
French (fr)
Inventor
崔炳荣
曹军
朱立军
张变玲
陈铭
肖雳
Original Assignee
西安西电捷通无线网络通信有限公司
中太数据通信(深圳)有限公司
信息产业部通信计量中心
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Publication of WO2009106004A1 publication Critical patent/WO2009106004A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/08Network architectures or network communication protocols for network security for authentication of entities
    • H04L63/0823Network architectures or network communication protocols for network security for authentication of entities using certificates
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W12/00Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/06Authentication
    • H04W12/069Authentication using certificates or pre-shared keys
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/08Network architectures or network communication protocols for network security for authentication of entities
    • H04L63/0853Network architectures or network communication protocols for network security for authentication of entities using an additional device, e.g. smartcard, SIM or a different communication terminal

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a WAPI-based mobile phone digital certificate access method and system.
  • a WLAN phone is a communication tool based on wireless local area network (WLAN) and the Internet.
  • WLAN wireless local area network
  • a dedicated WLAN module and an authentication module are generally integrated in the mobile phone, and the digital certificate is directly stored in the authentication module.
  • the inventor discovered through research that in the solution provided by the prior art, the user needs to re-write the digital certificate when replacing the WLAN mobile phone, which brings inconvenience to the user, and at the same time brings the operator centralized management of the digital certificate and the user. Inconvenience, and affect the security of the wireless link.
  • the object of the embodiments of the present invention is to provide a WAPI-based mobile phone digital certificate access method and system, which avoids the process of rewriting a digital certificate when a user replaces a WAPI mobile phone.
  • the embodiment of the present invention provides the following technical solutions:
  • a WAPI-based mobile phone digital certificate access method includes the following steps:
  • the file access instruction is sent, and the file offset address and the access data length are specified to access the certificate information.
  • the file access permission of the verification digital certificate file is specifically:
  • the sending file access instruction specifying the file offset address and the access data length to access the certificate information is specifically:
  • the file access permission of the verification digital certificate file is specifically:
  • the sending file access instruction specifying the file offset address and the access data length to access the certificate information is specifically:
  • a WAPI-based mobile phone digital certificate access system which is applied to a WAPI mobile phone, including a SIM card and a WLAN authentication module, wherein:
  • the SIM card is configured to store a digital certificate file
  • the WLAN authentication module configured to send a selected file command to the SIM card, select a stored digital certificate file in the SIM card; verify file access authority of the digital certificate file; send the SIM card to the SIM card
  • the file access instruction which specifies the file offset address and the access data length, accesses the certificate information.
  • the WLAN authentication module includes:
  • Selecting a submodule configured to send a selection file instruction to the SIM card, and select a digital certificate file stored in the SIM;
  • a first verification submodule configured to verify a file read permission of the digital certificate file selected by the selection submodule
  • a reading submodule configured to: after the digital certificate is verified by the first verification submodule, send a file read instruction, specify a file offset address, and read the data length to read the certificate information.
  • the WLAN authentication module includes:
  • Selecting a submodule configured to send a selection file instruction to the SIM card, and select a digital certificate file stored in the SIM;
  • a second verification submodule configured to verify a file update permission of the digital certificate file selected by the selection submodule
  • Updating a submodule configured to: after the digital certificate is verified by the first verification submodule
  • the SIM card sends a file update command, specifying the file offset address and the read data length to update the certificate information.
  • the embodiment of the invention can realize the access to the digital certificate of the WAPI mobile phone user, and avoid the inconvenience caused by the user to re-write the digital certificate when replacing the WAPI mobile phone.
  • 1 is a basic file structure of a mobile phone SIM card according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a system according to an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of a module in a system according to an embodiment of the present invention.
  • FIG. 7 is another schematic structural diagram of a module in a system according to an embodiment of the present invention.
  • FIG. 3 The basic working process of the WAPI-based mobile phone digital certificate reading method provided by the embodiment of the present invention is shown in FIG. 3, which includes:
  • the certificate information is read by specifying the offset and length by the READ BINARY instruction.
  • FIG. 4 The basic working process of the WAPI-based mobile phone digital certificate updating method provided by the embodiment of the present invention is shown in FIG. 4, which includes:
  • FIG. 1 shows a basic file structure of a mobile phone SIM card provided by an embodiment of the present invention, where:
  • the digital certificate is used to store the basic files of the e-certificate required by WAPI;
  • the key file contains the basic files of the SIM card key information
  • DF—TELECOM is a telecom folder
  • DF GSM is the GSM application folder
  • DF CDMA is a CDMA application folder.
  • the digital certificate file adopts a transparent file structure, and the basic structure of the transparent structure is defined in GSM11.11.
  • a file consists of a series of bytes. When a file needs to be read or written, an offset is needed as a reference for addressing. This offset includes the starting position of the byte and the length of the byte being read or written. The relative address of the first byte of the transparent file is '0000. The total length of the file body of a transparent file is defined in the file header.
  • Digital certificates are stored in X.509 or GBW format and are transparent files. The specific definition is shown in Figure 2.
  • each file has a specific access condition for each command.
  • the relevant access conditions for the most recently selected file should be obtained before the requested action begins.
  • the level code of the access condition is defined in GSM 11.11; the read and update rights of the digital certificate file are controlled by ADM. These levels of scheduling and the requirements to be completed at these levels are all areas of administrative authority.
  • SELECT FILE command is based on the input parameters FILE ID in the file system according to the legal path selection: ⁇ directory matching root directory, application directory or data file.
  • the VERIFY CHV (ADM) command verifies CHV/ADM by comparing the CHV/ADM transmitted from the mobile phone with the CHV/ADM stored in the SIM card.
  • P2 indicates the CHV/ADM number.
  • the reference definition is as follows:
  • the READ BINARY directive allows the SIM card to read a byte string from a transparent file.
  • the UPDATE BINARY directive is used to update the byte string of a transparent file.
  • the embodiment of the present invention further provides a WAPI-based mobile phone digital certificate access system.
  • the system is applied to a WAPI mobile phone, including a SIM card 501 and a WLAN authentication module 502, where:
  • the SIM card 501 is configured to store a digital certificate
  • the WLAN authentication module 502 is configured to: select a file command sent to the SIM card, select a stored digital certificate file in the SIM card; verify file access authority of the digital certificate file; and send the SIM card to the SIM card Send file access instruction, specify file offset address and access data length Access certificate information.
  • the digital certificate file is updated.
  • the WLAN authentication module includes:
  • the selecting submodule 601 is configured to send a selection file instruction to the SIM card, and select a digital certificate file stored in the SIM;
  • the first verification submodule 602 is configured to verify file read permission of the digital certificate file selected by the selection submodule;
  • the reading sub-module 603 is configured to send a file reading instruction, specify a file offset address, and read data length to read the certificate information after the digital certificate is verified by the first verification sub-module.
  • the WLAN authentication module 502 reads the digital certificate file in the SIM card 501 by using the system provided by the embodiment of the present invention.
  • a WLAN authentication module includes:
  • a sub-module 601 configured to send a selection file instruction to the SIM card 501, and select a digital certificate file stored in the SIM;
  • a second verification submodule 604 configured to verify file update authority of the digital certificate file selected by the selection submodule
  • the update submodule 605 is configured to send a file update instruction to the SIM card 501 after the digital certificate is verified by the first verification submodule, and specify a file offset address and a read data length to update the certificate information.
  • the WLAN authentication module 502 updates the digital certificate file in the SIM card 501 by using the system provided by the embodiment of the present invention.
  • WLAN Wireless Local Area. Network, Wireless LAN
  • GSM 11.11 Specification of the Subscriber Identity Module - Mobile Equipment (SIM-ME) interface
  • MF home directory file
  • DF directory file
  • the invention may be described in the general context of computer-executable instructions executed by a computer, such as a program module.
  • program modules include routines, programs, objects, components, data structures, and the like that perform particular tasks or implement particular abstract data types.
  • the invention may also be practiced in distributed computing environments where tasks are performed by remote processing devices that are connected through a communication network.
  • program modules can be located in both local and remote computer storage media including storage devices.

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mobile Radio Communication Systems (AREA)

Description

基于 WAPI的手机数字证书存取方法和系统
本申请要求于 2008 年 2 月 29 日提交中国专利局、 申请号为 200810017586.7, 发明名称为"基于 WAPI的手机数字证书存取方法"的中国专 利申请的优先权, 其全部内容通过引用结合在本申请中。
技术领域
本发明涉及通信技术领域,尤其涉及基于 WAPI的手机数字证书存取方法 和系统。
背景技术
WLAN手机是一种基于无线局域网 ( WLAN )和 Internet的通讯工具。 现 有技术中一般在手机中集成专用的 WLAN模块和认证模块, 数字证书直接存 入认证模块中。
发明人通过研究发现, 现有的技术提供的方案中, 用户在更换 WLAN手 机时需要重新写入数字证书, 这给用户使用带来不便, 同时给运营商对数字 证书和用户进行集中管理带来不便, 且影响无线链路的安全性。
发明内容
本发明实施例的目的是提供一种基于 WAPI 的手机数字证书存取方法和 系统, 避免了用户更换 WAPI手机时需要重新写入数字证书的过程。
为实现上述目的, 本发明实施例提供了如下技术方案是:
一种基于 WAPI的手机数字证书存取方法, 包括以下步骤:
发送选择文件指令, 选择 SIM卡中的数字证书文件;
-险证数字证书文件的文件存取权限;
发送文件存取指令,指定文件偏移地址和存取数据长度对证书信息进行存 取。
所述验证数字证书文件的文件存取权限具体为:
-险证数字证书文件的文件读取权限;
相应的, 所述发送文件存取指令,指定文件偏移地址和存取数据长度对证 书信息进行存取具体为:
发送文件读取指令,指定文件偏移地址和读取数据长度对证书信息进行读 取。 所述验证数字证书文件的文件存取权限具体为:
-险证数字证书文件的文件更新权限;
相应的, 所述发送文件存取指令,指定文件偏移地址和存取数据长度对证 书信息进行存取具体为:
发送文件更新指令, 指定文件偏移地址和数据长度对证书信息进行更新。 一种基于 WAPI的手机数字证书存取系统, 该系统应用于 WAPI的手机, 包括 SIM卡和 WLAN认证模块, 其中:
所述 SIM卡, 用于存储数字证书文件;
所述 WLAN认证模块, 用于向所述 SIM卡发送的选择文件指令, 选择所 述 SIM卡中的存储的数字证书文件; 验证所述数字证书文件的文件存取权限; 向所述 SIM卡发送文件存取指令, 指定文件偏移地址和存取数据长度对证书 信息进行存取。
所述 WLAN认证模块包括:
选择子模块, 用于向所述 SIM卡发送选择文件指令, 选择所述 SIM中存 储的数字证书文件;
第一验证子模块,用于验证所述选择子模块所选择的数字证书文件的文件 读取权限;
读取子模块, 用于在所述数字证书经所述第一验证子模块验证后,发送文 件读取指令, 指定文件偏移地址和读取数据长度对证书信息进行读取。
所述 WLAN认证模块包括:
选择子模块, 用于向所述 SIM卡发送选择文件指令, 选择所述 SIM中存 储的数字证书文件;
第二验证子模块,用于验证所述选择子模块所选择的数字证书文件的文件 更新权限;
更新子模块, 用于在所述数字证书经所述第一验证子模块验证后向所述
SIM卡发送文件更新指令,指定文件偏移地址和读取数据长度对证书信息进行 更新。
本发明实施例能够实现对 WAPI手机用户的数字证书进行存取,避免用户 更换 WAPI手机时需要重新写入数字证书带来的不便。 附图说明
图 1是本发明实施例提供的手机 SIM卡基本文件结构;
图 2是本发明实施例提供的数字证书文件结构;
图 3是本发明实施例提供的数字证书读取流程;
图 4是本发明实施例提供的数字证书更新流程;
图 5是本发明一实施例所提供的系统的结构示意图;
图 6为本发明一实施例所提供的系统中一模块的结构示意图;
图 7为本发明一实施例所提供的系统中一模块的另一结构示意图。
具体实施方式
下面, 结合附图对本发明实施例进行伴细描述。
本发明实施例提供的基于 WAPI 的手机数字证书读取方法的基本工作流 程见图 3 , 包括:
1]通过 SELECT FILE指令选择数字证书文件;
2]通过验证指令 VERIFY CHV认证数字证书文件读取权限;
3]通过 READ BINARY指令指定偏移和长度对证书信息进行读取。
本发明实施例提供的基于 WAPI 的手机数字证书更新方法的基本工作流 程见图 4, 包括:
1]通过 SELECT FILE指令选择数字证书文件;
2]通过验证指令 VERIFY CHV认证数字证书文件更新权限;
3]通过 UPDATE BINARY指令指定偏移和长度对证书信息进行更新。 在图 4中, update指令和响应一次只能更新一部分电子证书内容, 所以需 要发送多次才可以更新一个完整的电子证书。
图 1显示的是本发明实施例所提供的手机 SIM卡基本文件结构, 其中:
EF—数字证书用于存储 WAPI所需要的电子证书的基本文件;
EF—密钥文件包含 SIM卡密钥信息的基本文件;
DF— TELECOM是电信文件夹;
DF GSM是 GSM应用文件夹;
DF CDMA是 CDMA应用文件夹。
数字证书文件采用透明文件结构,在 GSM11.11中定义了透明结构的基本 文件由一系列的字节组成。 当需要对文件进行读写操作时, 需要给出一个偏移 量作为寻址的参考,这个偏移量包括字节的起始位置和被读写字节的长度。透 明文件的第一个字节的相对地址为 '0000,。 透明文件的文件体总长度要在文件 头中定义。 数字证书采用 X.509或 GBW格式, 透明文件存放, 具体定义见图 2。
在 GSM11.11中对于电信卡文件的访问条件部分定义每个文件对于每个命 令都有特定的访问条件。最近选择的文件的相关访问条件应该在请求的动作开 始之前得到。
GSM11.11中定义了访问条件的级别编码; 数字证书文件的读取、 更新权 P艮通过 ADM来控制。这些级别的安排和这些级别要完成的要求都是管理权限 的范围。
1、 SELECT FILE指令是才艮据输入参数 FILE ID在文件体系中按照合法路 径选:^目匹配的根目录、 应用目录或数据文件。
命令描述:
Figure imgf000006_0001
命令参数 /数据
Figure imgf000006_0002
2. VERIFY CHV ( ADM )指令是通过将手机传来的 CHV/ADM与 SIM 卡中存储的 CHV/ADM比较, 对 CHV/ADM进行校验。
命令描述
Figure imgf000006_0003
P2指示 CHV/ADM编号, 参考定义如下:
-O1 '=CHV1;
-O2'=CHV2;
-O3'=AMD1; -O4'=ADM2;
-O5'=ADM3;
■'06,=ADM4。
命令参数 /数据
Figure imgf000007_0001
3. READ BINARY指令允许 SIM卡从透明文件中读取字节串。 命令描述
Figure imgf000007_0002
响应的参数 /数据
Figure imgf000007_0003
4. UPDATE BINARY指令用于更新透明文件的字节串。
命令描述
Figure imgf000007_0004
命令参数 /数据
Figure imgf000007_0005
与方法实施例相对应,本发明实施例还提供用于基于 WAPI的手机数字证 书存取系统,参见图 5,该系统应用于 WAPI的手机,包括 SIM卡 501和 WLAN 认证模块 502, 其中:
所述 SIM卡 501, 用于存储数字证书;
所述 WLAN认证模块 502, 用于向所述 SIM卡发送的选择文件指令, 选 择所述 SIM卡中的存储的数字证书文件; 验证所述数字证书文件的文件存取 权限; 向所述 SIM卡发送文件存取指令, 指定文件偏移地址和存取数据长度 对证书信息进行存取。 的数字证书文件进行更新, 参见图 6, 在本本发明一实施例中, 所述 WLAN 认证模块包括:
选择子模块 601 , 用于向所述 SIM卡发送选择文件指令, 选择所述 SIM 中存储的数字证书文件;
第一验证子模块 602, 用于验证所述选择子模块所选择的数字证书文件的 文件读取权限;
读取子模块 603, 用于在所述数字证书经所述第一验证子模块验证后, 发 送文件读取指令, 指定文件偏移地址和读取数据长度对证书信息进行读取。
通过本发明实施例所提供的系统, 实现了 WLAN认证模块 502对 SIM卡 501中数字证书文件的读取。
参见图 7, 本发明另一实施例所提供的 WLAN认证模块包括:
选择子模块 601, 用于向所述 SIM卡 501发送选择文件指令, 选择所述 SIM中存储的数字证书文件;
第二验证子模块 604, 用于验证所述选择子模块所选择的数字证书文件的 文件更新权限;
更新子模块 605 , 用于在所述数字证书经所述第一验证子模块验证后向所 述 SIM卡 501发送文件更新指令, 指定文件偏移地址和读取数据长度对证书 信息进行更新。
通过本发明实施例所提供的系统, 实现了 WLAN认证模块 502对 SIM卡 501中数字证书文件的更新。
本发明部分名词术语解释如下:
WLAN: Wireless Local Area. Network, 无线局域网
WAPI: WLAN Authentication and Privacy Infrastructure
GSM 11.11: Specification of the Subscriber Identity Module - Mobile Equipment (SIM-ME) interface
SIM: 用户身份识别模块( Subscriber Identify Module )
MF: 主目录文件 DF: 目录文件
EF: 基本文件
CLA: Clase, 命令类
OTA: Over The Air, 空中下载
RFM: Remote File Management远程文件管理
本发明可以在由计算机执行的计算机可执行指令的一般上下文中描述,例 如程序模块。一般地,程序模块包括执行特定任务或实现特定抽象数据类型的 例程、 程序、 对象、 组件、 数据结构等等。 也可以在分布式计算环境中实践本 发明,在这些分布式计算环境中, 由通过通信网络而被连接的远程处理设备来 执行任务。在分布式计算环境中,程序模块可以位于包括存储设备在内的本地 和远程计算机存储介质中。
以上所述仅是本发明的优选实施方式,应当指出,对于本技术领域的普通 技术人员来说, 在不脱离本发明原理的前提下, 还可以做出若干改进和润饰, 这些改进和润饰也应视为本发明的保护范围。

Claims

权 利 要 求
1、 一种基于无线局域网鉴别与保密基础结构 WAPI的手机数字证书存取 方法, 其特征在于: 包括以下步骤:
发送选择文件指令, 选择 SIM卡中的数字证书文件;
验证数字证书文件的文件存取权限;
发送文件存取指令,指定文件偏移地址和存取数据长度对证书信息进行存 取。
2、 根据权利要求 1所述的一种基于 WAPI的手机数字证书存取方法, 其 特征在于:
所述验证数字证书文件的文件存取权限具体为:
-险证数字证书文件的文件读取权限;
相应的, 所述发送文件存取指令,指定文件偏移地址和存取数据长度对证 书信息进行存取具体为:
发送文件读取指令,指定文件偏移地址和读取数据长度对证书信息进行读 取。
3、 根据权利要求 1所述的一种基于 WAPI的手机数字证书存取方法, 其 特征在于:
所述验证数字证书文件的文件存取权限为:
认证模块通过手机, 验证数字证书文件的文件更新权限;
相应的, 所述发送文件存取指令,指定文件偏移地址和存取数据长度对证 书信息进行存取为:
发送文件更新指令, 指定文件偏移地址和数据长度对证书信息进行更新。
4、 一种基于 WAPI的手机数字证书存取系统, 该系统应用于 WAPI的手 机, 其特征在于, 包括 SIM卡和 WLAN认证模块, 其中:
所述 SIM卡, 用于存储数字证书文件;
所述 WLAN认证模块, 用于向所述 SIM卡发送的选择文件指令, 选择所 述 SIM卡中的存储的数字证书文件; 验证所述数字证书文件的文件存取权限; 向所述 SIM卡发送文件存取指令, 指定文件偏移地址和存取数据长度对证书 信息进行存取。
5、根据权利要求 4所述的系统,其特征在于,所述 WLAN认证模块包括: 选择子模块, 用于向所述 SIM卡发送选择文件指令, 选择所述 SIM中存 储的数字证书文件;
第一验证子模块,用于验证所述选择子模块所选择的数字证书文件的文件 读取权限;
读取子模块, 用于在所述数字证书经所述第一验证子模块验证后,发送文 件读取指令, 指定文件偏移地址和读取数据长度对证书信息进行读取。
6、根据权利要求 4所述的系统,其特征在于,所述 WLAN认证模块包括: 选择子模块, 用于向所述 SIM卡发送选择文件指令, 选择所述 SIM中存 储的数字证书文件;
第二验证子模块,用于验证所述选择子模块所选择的数字证书文件的文件 更新权限;
更新子模块, 用于在所述数字证书经所述第一验证子模块验证后向所述
SIM卡发送文件更新指令,指定文件偏移地址和读取数据长度对证书信息进行 更新。
PCT/CN2009/070547 2008-02-29 2009-02-26 基于wapi的手机数字证书存取方法和系统 WO2009106004A1 (zh)

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