WO2011082604A1 - 一种指纹识别方法、装置及移动终端 - Google Patents

一种指纹识别方法、装置及移动终端 Download PDF

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Publication number
WO2011082604A1
WO2011082604A1 PCT/CN2010/078530 CN2010078530W WO2011082604A1 WO 2011082604 A1 WO2011082604 A1 WO 2011082604A1 CN 2010078530 W CN2010078530 W CN 2010078530W WO 2011082604 A1 WO2011082604 A1 WO 2011082604A1
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Prior art keywords
fingerprint
identification information
user
processor
password
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PCT/CN2010/078530
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English (en)
French (fr)
Inventor
黄朝志
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华为终端有限公司
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Publication of WO2011082604A1 publication Critical patent/WO2011082604A1/zh

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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/12Fingerprints or palmprints
    • G06V40/1382Detecting the live character of the finger, i.e. distinguishing from a fake or cadaver finger
    • G06V40/1394Detecting the live character of the finger, i.e. distinguishing from a fake or cadaver finger using acquisition arrangements

Definitions

  • Fingerprint identification method, device and mobile terminal The present application claims priority to Chinese patent application filed on January 7, 2010 by the Chinese Patent Office, application number 201020001507.6, and the invention titled "a fingerprint identification device and a mobile terminal" The entire contents of this application are incorporated herein by reference.
  • the present invention relates to the field of electronic technologies, and in particular, to a fingerprint identification method, device, and mobile terminal. Background technique
  • Fingerprints have become synonymous with biometrics because of their lifetime invariance, uniqueness and convenience.
  • a fingerprint is a line created by unevenness on the front surface of a human finger. Fingerprint recognition is now widely used for identification, such as access control systems, computer boot verification, mobile terminal authentication, and more.
  • the user's fingerprint needs to be entered into the system.
  • the fingerprint is always used for identification.
  • the inventors have found that at least the following problems exist in the prior art: In the long-term use of existing fingerprint recognition, security and ease of maintenance cannot be comprehensive. If you use the fingerprint of the same finger for a long time, the security will be reduced. In particular, when fingerprint information is transmitted over the network, it is easy to receive an attack. However, if the user is required to frequently change the fingerprint of the finger for identification, it will bring huge system maintenance overhead. Moreover, when replacing the fingerprint of the finger for identification, identity security is also involved, and the process of fingerprint replacement is complicated.
  • the embodiment of the present invention provides a fingerprint identification device, including:
  • a fingerprint extraction module configured to extract a fingerprint input by the user, and send the fingerprint to the processor
  • the fingerprint memory is configured to store a fingerprint that is pre-recorded by the user, and respectively associate the fingerprint with the identification information
  • the processor is configured to randomly generate identification information according to the identification information stored in the fingerprint memory, and send the identification information to the display module for display; receive the fingerprint extracted by the fingerprint extraction module, and use the extracted fingerprint and the randomly generated identifier The fingerprint corresponding to the information is matched; if the two match, the verification is passed; if the two do not match, the verification fails; and the display module is configured to display the identification information randomly generated by the processor.
  • the embodiment of the invention further provides a mobile terminal, comprising: the fingerprint identification device as described above.
  • An embodiment of the present invention further provides a fingerprint identification method, including:
  • the fingerprint memory stores fingerprints pre-recorded by the user through the fingerprint extraction module, and the fingerprints are respectively associated with the identification information;
  • the processor randomly generates the identification information according to the identification information stored in the fingerprint memory, and sends the identification information to the display module for display, receives the fingerprint input by the user according to the displayed identification information, and inputs the fingerprint input by the user according to the identification information with the randomly generated
  • the fingerprint corresponding to the identification information is matched. If the two match, the verification is passed. If the two do not match, the verification fails.
  • the identification information is displayed on the display module by using the preset correspondence between the identification information and the fingerprint, and then the user selects the finger corresponding to the identification information in the fingerprint extraction module. Enter the fingerprint on it.
  • multiple fingerprints may be pre-stored in the database, and one identification information is corresponding to each fingerprint. Random identification when identifying fingerprints
  • the user identification information is displayed, and is identified by the fingerprint of the finger used by the user to identify the information.
  • the same fixed fingerprint method can always provide great security.
  • the embodiment of the present invention further provides a mobile terminal applying the fingerprint identification device to prevent others from stealing data in the mobile terminal or stealing the mobile terminal.
  • FIG. 1 is a schematic structural view of a fingerprint identification device according to a first embodiment of the present invention
  • FIG. 2 is a schematic structural view of a fingerprint identification device according to a second embodiment of the present invention
  • FIG. 3 is a structure of an access control system according to a third embodiment of the present invention
  • FIG. 4 is a schematic structural diagram of a mobile terminal according to a fourth embodiment of the present invention.
  • the first embodiment of the present invention provides a fingerprint identification device, which has the structure shown in FIG. 1 and includes: a fingerprint extraction module 1 for extracting a fingerprint input by a user and transmitting the fingerprint to the processor;
  • the fingerprint memory 2 is configured to store a fingerprint that is pre-recorded by the user, and associate the fingerprint with the identification information respectively;
  • the processor 3 is configured to randomly generate the identification information according to the identification information stored in the fingerprint memory 2, and send the identification information to the display module 4 for display; receive the fingerprint extracted by the fingerprint extraction module 1, and associate the extracted fingerprint with the randomly generated identification information.
  • the fingerprint is matched; if the two match, the verification is passed; if the two do not match, the verification fails;
  • the display module 4 is configured to display identification information randomly generated by the processor 3.
  • the invention displays the identification information to the user through the correspondence between the preset identification information and the fingerprint.
  • the user then inputs a fingerprint according to the finger corresponding to the identification information.
  • the invention can pre-store multiple fingerprints in the database and corresponding identification information for each fingerprint.
  • the fingerprint is recognized, the user is randomly displayed with the identification information, and the user judges which finger's fingerprint should be used for verification based on the randomly displayed identification information, and then recognizes the fingerprint input by the user.
  • the embodiment of the present invention can greatly provide security in view of the fact that the same fixed fingerprint method is always used compared to the prior art.
  • by collecting the fingerprints once all of them are stored in the database, which can reduce the workload in the future maintenance.
  • an identification information is first generated and identified; after the recognition is successful, an identification information is generated, until the preset number of recognitions is reached, and when the verification of the preset number of recognitions is completed, the verification is passed, otherwise the verification fails.
  • Example 2
  • the second embodiment of the present invention is improved on the basis of the first embodiment, and its structure is as shown in FIG. 2, that is, in addition to the fingerprint extraction module 1, the fingerprint memory 2, the processor 3, and the display module 4, Includes:
  • Password keyboard 5 password keyboard 5 has a button for receiving the password input by the user and sent to the processor 3;
  • the processor 3 is further configured to: after receiving the password sent by the PIN pad 5, identify the user corresponding to the password, If the user corresponding to the input password is recognized, one piece of identification information is randomly selected from the identification information of the user corresponding to the password and sent to the display module 4 for display.
  • the user can be identified by the password first, and the processor can be triggered to generate the identification information only when it passes. It is possible to make a preliminary verification of the identity of the user, so that each user can be set with a different number of fingerprints, and most importantly, a different format of the identification information can be set. This can greatly improve security.
  • the embodiment of the present invention may further include:
  • the alarm module 6 is for issuing an alarm message when the processor 3 does not pass the verification, and/or when the processor 3 does not recognize the user corresponding to the entered password.
  • the counter 7 is also added in the embodiment of the present invention. counter
  • the counter may be added to prevent the false alarm rate from being generated before the recognition failure of no more than a predetermined number of times occurs.
  • the fingerprint extraction module 1 is a touch screen
  • the display module 4 is a liquid crystal display
  • the fingerprint memory 2 is a non-volatile memory.
  • the fingerprint recognition device further includes a housing including a base and a cover.
  • the fingerprint extraction module is disposed on the upper surface of the base, and the display module is disposed on the cover; the cover is rotatably connected to the base through the rotating shaft; the processor and the fingerprint memory are disposed in the base.
  • Example 3
  • the fingerprint identification device of each embodiment of the present invention described above can be applied to any place where identity verification is required, including but not limited to: an access control system.
  • the access control system of the embodiment of the present invention includes:
  • the controlled door 8 the controlled door is turned on or refused to be turned on according to the verification result of the fingerprint identification device
  • the fingerprint identification device is configured to perform fingerprint verification.
  • the embodiment of the present invention further provides an access control system using the fingerprint identification device.
  • the identification information is displayed on the display module by the correspondence between the identification information pre-stored in the fingerprint database and the fingerprint, and then the user selects the corresponding information according to the identification information.
  • Finger enter the fingerprint on the fingerprint extraction module.
  • the present invention can pre-store multiple fingerprints in a database and corresponding one identification information for each fingerprint. When the fingerprint is recognized, the user is randomly displayed with the identification information, and the user judges which fingerprint of the finger should be used for verification based on the randomly displayed identification information, and then recognizes the fingerprint input by the user.
  • the embodiment of the present invention can provide great security in the same fixed fingerprint mode as in the prior art. Moreover, by collecting fingerprints once and storing them all in the database, the workload during future maintenance can be reduced. Compared with existing access control systems, security can be greatly improved.
  • the specific fingerprint identification device may have the structure as described in Embodiment 1 or Embodiment 2.
  • Example 4
  • the fingerprint identification device of each embodiment of the present invention can be applied to any place where authentication is required, including but not limited to: a mobile terminal.
  • the mobile terminal of the embodiment of the present invention includes: the fingerprint identification device according to the foregoing first embodiment or the second embodiment, for performing fingerprint verification.
  • the embodiment of the present invention further provides a mobile terminal applying the fingerprint identification device.
  • the identification information is displayed on the display module by the correspondence between the identification information pre-stored in the fingerprint database and the fingerprint, and then the user selects the corresponding information according to the identification information.
  • Finger enter the fingerprint on the fingerprint extraction module.
  • the invention can pre-store multiple fingerprints in the database and corresponding one identification information for each fingerprint. When the fingerprint is recognized, the user is randomly displayed with the identification information, and the user determines which fingerprint of the finger should be used for verification based on the randomly displayed identification information, and then identifies the fingerprint input by the user.
  • the embodiment of the present invention can greatly provide security compared to the prior art that the same fixed fingerprint method is always used. Moreover, by collecting fingerprints once and storing them all in the database, the workload during future maintenance can be reduced. Compared with the existing mobile terminal, the security can be greatly improved, preventing others from stealing data in the mobile terminal, or stealing the mobile terminal.
  • the specific fingerprint identification device may have the structure as described in Embodiment 1 or Embodiment 2. It can be seen from the above embodiment that the present invention displays the identification information on the display module by the correspondence between the identification information pre-stored in the fingerprint database and the fingerprint, and then the user inputs the fingerprint on the fingerprint extraction module according to the finger corresponding to the identification information. .
  • the invention can pre-store multiple fingerprints in the database and corresponding one identification information for each fingerprint. When the fingerprint is recognized, the user is randomly displayed with the identification information, and the user determines which fingerprint of the finger should be used for verification based on the randomly displayed identification information, and then identifies the fingerprint input by the user. In this way, the embodiment of the present invention can greatly provide security compared to the prior art that the same fixed fingerprint method is always used.
  • the embodiment of the present invention also proposes an application of the same
  • the access control system of the fingerprint recognition device can greatly improve the security compared with the existing access control system.
  • the embodiment of the present invention further provides a mobile terminal applying the fingerprint identification device to prevent others from stealing data in the mobile terminal or stealing the mobile terminal.

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  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
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Description

一种指纹识别方法、 装置及移动终端 本申请要求于 2010年 1月 7日提交中国专利局、 申请号为 201020001507.6、 发明名称为"一种指紋识别装置及移动终端"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
本发明涉及电子技术领域, 特别涉及一种指紋识别方法、装置及移动终端。 背景技术
指紋由于具有终身不变性、 唯一性和方便性, 已几乎成为生物特征识别的 代名词。 指紋是指人的手指末端正面皮肤上凸凹不平产生的紋线。 现在指紋识 别已经广泛应用于身份识别, 例如门禁系统、 计算机开机验证、 移动终端验证 等等。
在目前的指紋识别应用中, 都需要将用户的指紋录入系统。 在之后的指紋 识别中, 一直使用该指紋进行身份识别。 在安全等级要求比较高的应用场景, 可以输入整个手紋, 或者双手紋来增加指紋的复杂性和抗攻击性, 从而提高安 全等级。
在实现本发明的过程中, 发明人发现现有技术至少存在以下问题: 现有的指紋识别长期使用中, 安全性与易维护性无法两全。 如果长时间使 用同一个手指的指紋, 则安全性会降低。 特别是指紋信息在网络上传输时, 容 易收到攻击。 而如果要求用户频繁更换用于识别的手指的指紋, 则会带来巨大 的系统维护开销。 而且在更换用于识别的手指的指紋时还会涉及身份安全, 指 紋更换的流程就会比较复杂。
发明内容
为了解决现有技术中指紋识别装置在使用中安全性与易维护性无法两全的 问题, 本发明提出了一种指紋识别装置及移动终端。 所述技术方案如下: 本发明实施例提出了一种指紋识别装置, 包括:
指紋提取模块, 用于提取用户输入的指紋, 发送给处理器; 指紋存储器, 用于存储用户预先录入的指紋, 并将所述指紋分别与识别信 息建立对应关系;
所述处理器, 用于根据指紋存储器中存储的识别信息随机生成识别信息、 并发送给显示模块显示; 接收所述指紋提取模块提取的指紋, 将所述提取的指 紋与所述随机生成的识别信息所对应的指紋进行匹配; 若两者匹配, 则通过验 证; 如果两者不匹配, 则验证失败; 所述显示模块, 用于显示所述处理器随机生成的识别信息。 本发明实施例还提出了一种移动终端, 包括: 如前所述的指紋识别装置。 本发明实施例还提出了一种指紋识别方法, 包括:
指紋存储器存储用户通过指紋提取模块预先录入的指紋, 并将所述指紋分 别与识别信息建立对应关系;
处理器根据指紋存储器中存储的识别信息随机生成识别信息、并发送给显示 模块显示, 接收用户根据该显示的识别信息输入的指紋, 并将所述用户根据该 识别信息输入的指紋与随机生成的识别信息对应的指紋进行匹配, 若两者匹 配, 则通过验证, 若两者不匹配, 则验证失败。
本发明实施例提供的技术方案的有益效果是: 本发明实施例通过预设置的 识别信息与指紋的对应关系, 在显示模块上显示识别信息, 然后用户根据识别 信息对应的手指, 在指紋提取模块上输入指紋。 本发明实施例可以在数据库中 预存储多个指紋, 并为每一个指紋对应一个识别信息。 在识别指紋时, 随机显 示给用户识别信息, 并由用户用于识别信息对应的手指的指紋进行识别。 这样 相比较现有技术始终采用同一固定的指紋方式可以极大的提供安全性。 而且通 过一次采集指紋, 全部存储在数据库中, 可以降低在以后维护时的工作量。 同 时, 本发明实施例还提出了一种应用这种指紋识别装置的移动终端, 防止他人 窃取移动终端内的数据, 或是盗用移动终端。
附图说明
为了更清楚地说明本发明实施例的技术方案, 下面将对实施例中使用的附 图作一简单地介绍, 显而易见地, 下面所列附图仅仅是本发明的一些实施例, 对于本领域普通技术人员来讲, 在不付出创造性劳动的前提下, 还可以根据这 些附图获得其他的附图。 图 1是本发明第一实施例的指紋识别装置的结构示意图; 图 2是本发明第二实施例的一种指紋识别装置的结构示意图; 图 3是本发明第三实施例的门禁系统的结构示意图; 图 4是本发明第四实施例的移动终端的结构示意图。 具体实施方式
为使本发明的目的、 技术方案和优点更加清楚, 下面将结合附图对本发明 实施方式作进一步地详细描述。
实施例 1
本发明第一实施例提出了一种指紋识别装置, 其结构如图 1所示, 包括: 指紋提取模块 1, 用于提取用户输入的指紋, 发送给处理器;
指紋存储器 2, 用于存储用户预先录入的指紋, 并将指紋分别与识别信息建 立对应关系; 处理器 3, 用于根据指紋存储器 2中存储的识别信息随机生成识别信息、 并 发送给显示模块 4显示; 接收指紋提取模块 1提取的指紋, 将提取的指紋与随 机生成的识别信息所对应的指紋进行匹配; 若两者匹配, 则通过验证; 如果两 者不匹配, 则验证失败;
显示模块 4, 用于显示处理器 3随机生成的识别信息。
本发明通过预设置的识别信息与指紋的对应关系, 向用户显示识别信息。 然后用户根据识别信息对应的手指输入指紋。 本发明可以在数据库中预存储多 个指紋, 并为每一个指紋对应一个识别信息。 在识别指紋时, 给用户随机显示 识别信息, 用户根据该随机显示的识别信息来判断应该用哪个手指的指紋进行 验证, 然后对用户输入的的指紋进行识别。 这样, 相比现有技术始终采用同一 固定的指紋方式, 本发明实施例可以极大的提供安全性。 而且通过一次采集指 紋, 全部存储在数据库中, 可以降低在以后维护时的工作量。
为了提高安全性, 可以采用多次识别的方式。 即, 先生成一个识别信息并 进行识别; 识别成功后再生成一个识别信息, 直到达到预设的识别次数, 当预 设的识别次数的验证完成后, 才通过验证, 否则验证失败。 实施例 2
本发明第二实施例是在第一实施例的基础上改进而来的, 其结构如图 2所 示, 即除了指紋提取模块 1、 指紋存储器 2、 处理器 3、 显示模块 4之外, 还包 括:
密码键盘 5, 密码键盘 5设有按键, 用于接收用户输入的密码并发送到处理 器 3 ;
处理器 3还用于接收到密码键盘 5发送的密码后, 识别该密码对应的用户, 若识别出与该输入的密码对应的用户, 则从与该密码对应的用户的识别信息中 随机挑选一个识别信息发送给显示模块 4显示。
这样可以先通过密码进行用户识别, 只有在通过的情况下才触发处理器随 机生成识别信息。 可以使得先对用户的身份进行初步验证, 这样就可以为每一 个用户都设置不同的指紋个数, 最重要的是可以设置不同的识别信息的格式。 这样可以极大的提高安全性。
为了提高安全性, 本发明实施例还可以包括:
报警模块 6, 用于当处理器 3不通过验证时, 和 /或当处理器 3没有识别出 与该输入的密码对应的用户时发出报警信息。
这样可以在用户进行指紋识别失败时, 发出报警信息, 以进一步提高指紋 识别装置的安全性。
为了防止发生报警模块发生误报, 本发明实施例还增设了计数器 7。 计数器
7, 用于记录处理器不通过验证的次数, 在达到预设次数时通知报警模块报警; 报警模块还用于在收到计数器的通知时发出报警信息。
由于指紋识别装置的指紋提取模块可能会由于敏感度降低而造成的识别正 确性降低, 因此增设了计数器可以在发生不大于预定次数的识别失败前不进行 报警, 以降低误报率。
具体的, 指紋提取模块 1为一触摸屏; 显示模块 4为一液晶显示屏; 指紋 存储器 2为一非易失存储器。
上述为指紋识别装置的电路部分。 作为机械部分的改进, 指紋识别装置还 包括一外壳, 外壳包括底座和盖。 指紋提取模块设置于底座上表面, 且显示模 块设置于盖上; 盖通过转轴与底座转动连接; 处理器及指紋存储器设置于底座 内。 实施例 3
上述本发明每一实施例的指紋识别装置, 可以应用于任何需要进行身份验 证的场所, 包括但不限于: 门禁系统。
如图 3所示, 以门禁系统为例, 本发明实施例的门禁系统包括:
受控门 8, 受控门根据指紋识别装置的验证结果开启或拒绝开启;
如前述第一实施例或第二实施例所述的指紋识别装置, 用于进行指紋验证。 本发明实施例还提出了一种应用这种指紋识别装置的门禁系统, 通过在指 紋数据库中预存储的识别信息与指紋的对应关系, 在显示模块上显示识别信 息, 然后用户根据识别信息选择对应的手指, 在指紋提取模块上输入指紋。 本 发明可以在数据库中预存储多个指紋, 并为每一个指紋对应一个识别信息。 在 识别指紋时, 给用户随机显示识别信息, 用户根据该随机显示的识别信息来判 断应该用哪个手指的指紋进行验证, 然后对用户输入的的指紋进行识别。 这样, 相比现有技术始终采用同一固定的指紋方式, 本发明实施例可以极大的提供安 全性。 而且通过一次采集指紋, 全部存储在数据库中, 可以降低在以后维护时 的工作量。 相比较现有的门禁系统可以极大的提高安全性。
其中, 具体的指紋识别装置, 可以如实施例 1或实施例 2所述的结构。 实施例 4
如图 4所示, 上述本发明每一实施例的指紋识别装置, 可以应用于任何需 要进行身份验证的场所, 包括但不限于: 移动终端。
以移动终端为例, 本发明实施例的移动终端包括: 如前述第一实施例或第 二实施例所述的指紋识别装置, 用于进行指紋验证。 本发明实施例还提出了一种应用这种指紋识别装置的移动终端, 通过在指 紋数据库中预存储的识别信息与指紋的对应关系, 在显示模块上显示识别信 息, 然后用户根据识别信息选择对应的手指, 在指紋提取模块上输入指紋。 本 发明可以在数据库中预存储多个指紋, 并为每一个指紋对应一个识别信息。 在 识别指紋时, 给用户随机显示识别信息, 用户根据该随机显示的识别信息来判 断应该用哪个手指的指紋进行验证, 然后对用户输入的的指紋进行识别。 这样, 相比现有技术始终采用同一固定的指紋方式, 本发明实施例可以极大的提供安 全性。 而且通过一次采集指紋, 全部存储在数据库中, 可以降低在以后维护时 的工作量。 相比较现有的移动终端可以极大的提高安全性, 防止他人窃取移动 终端内的数据, 或是盗用移动终端。
其中, 具体的指紋识别装置, 可以如实施例 1或实施例 2所述的结构。 通过以上实施例可以看出, 本发明通过在指紋数据库中预存储的识别信息 与指紋的对应关系, 在显示模块上显示识别信息, 然后用户根据识别信息对应 的手指, 在指紋提取模块上输入指紋。 本发明可以在数据库中预存储多个指紋, 并为每一个指紋对应一个识别信息。 在识别指紋时, 给用户随机显示识别信息, 用户根据该随机显示的识别信息来判断应该用哪个手指的指紋进行验证, 然后 对用户输入的的指紋进行识别。 这样, 相比现有技术始终采用同一固定的指紋 方式, 本发明实施例可以极大的提供安全性。 而且通过一次采集指紋, 全部存 储在数据库中, 可以降低在以后维护时的工作量。 并密码键盘进行前置验证, 可以进一步的增加系统的安全性。 报警模块可以在指紋识别失败时发出报警信 息。 计数器可以通过记录识别失败的次数, 当达到预设次数时才报警, 以防止 由于系统灵敏度降低造成的误报。 同时, 本发明实施例还提出了一种应用这种 指紋识别装置的门禁系统, 相比较现有的门禁系统可以极大的提高安全性。 同 时, 本发明实施例还提出了一种应用这种指紋识别装置的移动终端, 防止他人 窃取移动终端内的数据, 或是盗用移动终端。
以上仅为本发明的较佳实施例, 并不用以限制本发明, 凡在本发明原则之 内, 所作的任何修改、 等同替换、 改进等, 均应包含在本发明的保护范围之内。

Claims

权利 要求
1、 一种指紋识别装置, 其特征在于, 包括: 指紋提取模块, 用于提取用户输入的指紋, 发送给处理器; 指紋存储器, 用于存储用户预先录入的指紋, 并将所述指紋分别与识别信 息建立对应关系; 所述处理器, 用于根据指紋存储器中存储的识别信息随机生成识别信息、 并发送给显示模块显示; 接收所述指紋提取模块提取的指紋, 将所述提取的指 紋与所述随机生成的识别信息所对应的指紋进行匹配; 若两者匹配, 则通过验 证; 如果两者不匹配, 则验证失败; 所述显示模块, 用于显示所述处理器随机生成的识别信息。
2、 根据权利要求 1所述的指紋识别装置, 其特征在于, 所述指紋存储器还 用于存储各指紋的用户信息, 以及该用户设定的密码; 所述指紋识别装置还包括: 密码键盘, 所述密码键盘设有按键, 用于接收 用户输入的密码并发送到所述处理器; 所述处理器还用于接收到所述密码键盘发送的密码后, 识别该密码对应的 用户, 若识别出与该输入的密码对应的用户, 则从与该密码对应的用户的识别 信息中随机挑选一个识别信息发送给显示模块显示。
3、 根据权利要求 2所述的指紋识别装置, 其特征在于, 还包括: 报警模块, 用于当所述处理器不通过验证时, 和 /或当所述处理器没有识别 出与该输入的密码对应的用户时发出报警信息。
4、 根据权利要求 3所述的指紋识别装置, 其特征在于, 所述指紋识别装置 还包括: 计数器, 用于记录所述处理器不通过验证的次数, 在达到预设次数时通知 报警模块报警; 所述报警模块还用于在收到所述计数器的通知时发出报警信息。
5、 根据权利要求 1所述的指紋识别装置, 其特征在于, 所述指紋提取模块 为一触摸屏; 所述显示模块为一液晶显示屏; 所述指紋存储器为一非易失存储 器。
6、 根据权利要求 1所述的指紋识别装置, 其特征在于, 所述指紋识别装置 还包括一外壳, 所述外壳包括底座和盖; 所述指紋提取模块设置于所述底座上 表面, 且所述显示模块设置于所述盖上; 所述盖通过转轴与所述底座转动连接;
所述处理器及指紋存储器设置于所述底座内。
7、 一种移动终端, 其特征在于, 包括: 如权利要求 1-6任一项所述的指紋 识别装置。
8、 一种指紋识别方法, 其特征在于, 包括:
指紋存储器存储用户通过指紋提取模块预先录入的指紋, 并将所述指紋分 别与识别信息建立对应关系;
处理器根据所述指紋存储器中存储的识别信息随机生成识别信息、 并发送 给显示模块显示, 接收用户根据显示的识别信息输入的指紋, 并将所述用户根 据该识别信息输入的指紋与随机生成的识别信息对应的指紋进行匹配, 若两者 匹配, 则通过验证, 若两者不匹配, 则验证失败。
9、 如权利要求 8所述的方法, 其特征在于, 所述方法还包括, 在指紋存储 器中存储各指紋的用户信息, 以及该用户设定的密码; 在处理器根据指紋存储器中存储的识别信息随机生成识别信息之前, 该方 法还包括, 处理器接收用户通过密码键盘发送的密码, 识别该密码对应的用户, 且识别出与该输入的密码对应的用户。
10、 如权利要求 8所述的方法, 其特征在于, 所述方法还包括, 当所述处 理器验证失败时, 和 /或当所述处理器没有识别出与该密码对应的用户时, 报警 模块发出报警信息。
1 1、 如权利要求 8所述的方法, 其特征在于, 所述报警模块在所述处理器 验证失败达到预定次数时发出报警信息。
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