WO2014063575A1 - 一种密码钥匙、安全认证系统及安全认证方法 - Google Patents

一种密码钥匙、安全认证系统及安全认证方法 Download PDF

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Publication number
WO2014063575A1
WO2014063575A1 PCT/CN2013/085152 CN2013085152W WO2014063575A1 WO 2014063575 A1 WO2014063575 A1 WO 2014063575A1 CN 2013085152 W CN2013085152 W CN 2013085152W WO 2014063575 A1 WO2014063575 A1 WO 2014063575A1
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WIPO (PCT)
Prior art keywords
oscillating
medium
signal
unit
oscillation
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PCT/CN2013/085152
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English (en)
French (fr)
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彭娟
邹晓坤
张翌维
梁洁
余运波
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国民技术股份有限公司
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Priority to US14/437,603 priority Critical patent/US20150269574A1/en
Publication of WO2014063575A1 publication Critical patent/WO2014063575A1/zh

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/38—Payment protocols; Details thereof
    • G06Q20/40—Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
    • G06Q20/401—Transaction verification
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/38—Payment protocols; Details thereof
    • G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
    • G06Q20/3823—Payment protocols; Details thereof insuring higher security of transaction combining multiple encryption tools for a transaction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
    • H04L63/083—Network architectures or network communication protocols for network security for authentication of entities using passwords
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q2220/00—Business processing using cryptography
    • G06Q2220/10—Usage protection of distributed data files
    • G06Q2220/12—Usage or charge determination

Definitions

  • the invention belongs to the field of security authentication of network payment, and more specifically relates to a cryptographic key, a security authentication system and a security authentication method.
  • USBKey and other contact-oriented interfaces are required, and the handheld terminal interface resources are scarce; (2) the interface leads to an increase in the area of the handheld terminal; (3) The handheld terminal has a weak load capacity. The interface expansion is difficult.
  • wireless cipher keys based on telecom operation networks (such as Wifi or 3G).
  • Wifi or 3G wireless cipher keys
  • an object of the present invention is to provide a cryptographic key, which aims to solve the problem that the existing handheld terminal interface lacks resources and the handheld terminal does not match the cryptographic key interface.
  • the present invention provides a cryptographic key, including a security module, a first control unit, a first oscillating transmitting unit, and a first oscillating receiving unit; the first oscillating receiving unit is configured to receive an oscillating signal transmitted in a medium; An oscillating transmitting unit is configured to send cryptographic information to the medium; the first control unit is connected to the first oscillating receiving unit, the security module, and the first oscillating transmitting unit; the first control unit And transmitting, by the security module, the payment information obtained by processing the oscillating signal received by the first oscillating receiving unit to the security module, where the security module performs encryption processing and outputting; the output of the security module is controlled by the first The signal obtained after the unit performs the decryption process is transmitted to the medium via the first oscillation transmitting unit.
  • the security module includes: a security chip, a storage device, and an identity authentication management module; the security chip is connected to the first control unit, configured to acquire signature data and generate a control signal according to the signature data; and the storage device Connected to the security chip, configured to store signature data acquired by the security chip and provide verification data for the signature data required by the security chip; the identity authentication management module is connected to the first control unit, and configured to The identity management of the legitimate user of the mobile terminal, and the identification of the user identity when the user conducts the transaction.
  • the first control unit includes a controller for providing an interface connected to the security chip in the security module, parsing and responding to a control signal generated by the security chip, and receiving and transmitting Information is controlled and processed.
  • the first oscillation transmitting unit includes an oscillation source that outputs an oscillation wave under the control of the first control unit.
  • the first oscillating receiving unit includes: a sensor and a signal processing unit that are sequentially connected; the sensor is configured to detect and receive an oscillating signal transmitted in a medium, and the signal processing unit is configured to perform the oscillating signal The digital signal is output after processing.
  • the signal processing unit includes: an A/D conversion circuit, a demodulator, a low pass filter, and a decoder connected in sequence;
  • the A/D conversion circuit is configured to transmit an oscillation in a medium received by the sensor Converting the signal into a corresponding digital signal;
  • the demodulator is configured to demodulate the digital signal output by the A/D conversion circuit;
  • the low pass filter is configured to filter and output the output of the demodulator An undecoded baseband digital signal;
  • the decoder processes the baseband digital signal output by the low pass filter to output a digital signal.
  • the oscillating signal is transmitted in the medium in the form of a mechanical wave.
  • the medium is any one of liquid, solid or air.
  • the present invention also provides a security authentication system, including a cryptographic key and a mobile terminal; the mobile terminal and the cryptographic key transmit signals through a medium oscillation;
  • the cryptographic key includes a security module, a first control unit, and a first An oscillating transmitting unit and a first oscillating receiving unit;
  • the first oscillating receiving unit is configured to receive an oscillating signal transmitted in a medium;
  • the first oscillating transmitting unit is configured to send cryptographic information into a medium;
  • the first control unit Connected to the first oscillating receiving unit, the security module, and the first oscillating transmitting unit;
  • the first control unit processes the aging signal received by the first oscillating receiving unit to process payment information
  • the security module transmits the payment information to the security module, and the output information is outputted by the first control unit to the medium by the first oscillation sending unit.
  • the mobile terminal includes: a second control unit, and a second vibration respectively connected to the second control unit a receiving unit and a second oscillating transmitting unit; the second oscillating receiving unit and the first oscillating transmitting unit transmit a signal through a medium oscillation; and the second oscillating transmitting unit and the first oscillating receiving unit pass The medium oscillating transmission signal; the second control unit processes the payment information into an oscillating signal and transmits the audible signal to the medium through the second oscillating transmitting unit; the second oscillating receiving unit receives the cryptographic information sent by the first oscillating; After the second control unit processes the password information, the password information transmission process between the password key and the mobile terminal in the medium is completed.
  • the transfer terminal is a mobile phone or a PC.
  • the oscillating signal is transmitted in the medium in the form of a mechanical wave.
  • the medium is any one of liquid, solid or air.
  • the invention also provides a security authentication method, comprising the following steps:
  • the second oscillating transmitting unit in the mobile terminal outputs the oscillating signal to the medium in which it is located by oscillating;
  • the first control unit in the cryptographic key transmits the payment information obtained by processing the oscillating signal to the security module, and the security module encrypts the payment information and outputs the information;
  • the first control unit in the cryptographic key feeds back the cipher information obtained after the decryption processing of the output of the security module to the first oscillating transmitting unit, and outputs the cryptographic output to the medium through the oscillating;
  • the second oscillation receiving unit in the mobile terminal receives the password information returned by the first oscillation sending unit and outputs the password information to the second control unit;
  • S8 The second control unit in the mobile terminal converts the received password information into the requested payment information.
  • step S3 the signal generated by the oscillation is generally transmitted in the medium in the form of a mechanical wave, which is an acoustic wave having a frequency of 20 Hz to 20 kHz or an ultrasonic wave having a frequency greater than 20 kHz.
  • a mechanical wave which is an acoustic wave having a frequency of 20 Hz to 20 kHz or an ultrasonic wave having a frequency greater than 20 kHz.
  • the medium is any one of liquid, solid or air.
  • the transfer terminal is a mobile phone or a PC.
  • the security authentication method provided by the invention utilizes the oscillation of the medium in which the cryptographic key is located to perform wireless transmission of the cryptographic information, and solves the problem that the cryptographic key handheld terminal interface lacks resources and does not match the cryptographic key interface, and the cryptographic key does not need the network to perform information.
  • Transmission; the transmission channel is not a universal channel, which solves the security problem of the ordinary wireless cipher key.
  • FIG. 1 is a schematic block diagram of an internal module of a cryptographic key and a mobile terminal according to an embodiment of the present invention
  • FIG. 2 is a schematic block diagram of an internal module of a security module in a cryptographic key according to an embodiment of the present invention
  • FIG. 3 is a block diagram showing the internal structure of a first oscillating transmitting unit in a cryptographic key according to an embodiment of the present invention
  • FIG. 4 is a block diagram showing the internal structure of a first oscillating receiving unit in a cryptographic key according to an embodiment of the present invention
  • FIG. 5 is a schematic block diagram of an internal module of a signal processing unit in a first oscillating receiving unit according to an embodiment of the present invention
  • FIG. 6 is a flowchart of implementing a security authentication method according to an embodiment of the present invention.
  • the present invention proposes a cryptographic key; Liquid, solid, and air oscillate to transmit information, and use the oscillation of the medium in which it is located to wirelessly transmit cryptographic information, which solves the problem of lack of interface resources of the cryptographic key handheld terminal and mismatch with the cryptographic key interface, and at the same time, because the transmission channel is not a universal channel, the solution is solved.
  • the security of the ordinary wireless password key is not a universal channel.
  • FIG. 1 is a schematic block diagram of an internal module of a cryptographic key provided by an embodiment of the present invention. For convenience of description, only parts related to the embodiment of the present invention are shown, which are as follows:
  • the cryptographic key 1 includes: a security module 10, a first control unit 11, a first oscillating transmitting unit 12, and a first oscillating receiving unit 13; an input end of the first oscillating receiving unit 13 is configured to receive an oscillating signal transmitted in the medium; The output end of the oscillating transmitting unit 12 is configured to send the cryptographic information to the medium; the input end of the first control unit 11 is connected to the output end of the first oscillating receiving unit 13, and the control end of the first control unit 11 is connected to the security module 10, The output of the first control unit 11 is connected to the input end of the first oscillating transmitting unit 12; the first oscillating receiving unit 13 transmits the received oscillating signal to the first control unit 11 for processing and transmits it to the security module 10, which is safe.
  • the module 10 processes the payment information and transmits it to the first control unit 11; the first control unit 11 processes and transmits it to the first oscillation transmitting unit 12; the first oscillation transmitting unit 12 transmits the signal to the medium.
  • the security module 10 is configured to process information that needs to be transmitted to the mobile terminal.
  • the security module 10 includes: a security chip 101, a storage device 102, an identity authentication management module 103, a security chip 101, and a first control.
  • the unit 11 is connected to obtain the signature data, and generates a control signal according to the signature data.
  • the storage device 102 is connected to the security chip 101 for storing the signature data acquired by the security chip 101 and providing the signature data required by the security chip 101 for verification.
  • the identity authentication management module 103 is connected to the first control unit 11 for identity management of a legitimate user of the mobile terminal and for authenticating the identity of the user when the user conducts a transaction.
  • the first control unit 11 is configured to convert the information processed by the security module 10 into a signal transmittable by the first oscillation transmitting unit 12; the first control unit 11 includes a controller for providing an interface to the security chip 101 of the security module 10. And parsing and responding to the control signal generated by the security chip 101, and controlling and processing the received and transmitted information.
  • a battery (not shown) for supplying power to the cryptographic key for normal operation is further included.
  • the cryptographic key 1 for transmitting information by means of liquid, solid and air oscillating requires more components than existing cryptographic keys (such as USBkey, etc.), and with the development of mobile terminals and cryptographic keys, convenience and security are improved. The demand is getting higher and higher, and the related cryptographic keys can be customized according to the technology of the present invention, so that people can use the mobile terminal to pay more real-time online payment in life.
  • the first oscillation transmitting unit 12 includes an oscillation source 120 that outputs an oscillation wave under the control of the first control unit 11; the oscillation source 120 may be a mechanical oscillation source; and the oscillation wave may be a mechanical wave.
  • the first oscillation receiving unit 13 includes: a sensor 131 and a signal processing unit 132 connected in sequence; the sensor 131 is configured to detect and receive an oscillation signal transmitted in the medium, and the signal processing unit 132 is configured to process the oscillation signal. The digital signal is output afterwards.
  • the sensor 131 may be a MEMS sensor or the like.
  • the signal processing unit 132 includes: an A/D conversion circuit 1321, a demodulator 1322, a low pass filter 1323, and a decoder 1324 that are sequentially connected; an input terminal of the A/D conversion circuit 1321 and an output end of the sensor 131. Connected, the output is connected to the input of the demodulator 1322 for converting the analog signal received by the sensor 131 into a corresponding digital signal.
  • the output of demodulator 1322 is coupled to the input of low pass filter 1323 for demodulating the digital signal.
  • the output of low pass filter 1323 is coupled to the input of decoder 1324 for obtaining undecoded baseband digital signals.
  • the output of the decoder 1324 outputs a digital signal.
  • the cryptographic information is wirelessly transmitted by using the oscillation of the medium where the cryptographic key is located, and there is no problem of matching the cryptographic key with the handheld terminal interface; and the liquid, solid, air, etc. medium oscillates between the cryptographic key and the handheld terminal to transmit the cryptographic information, without Public network intervention to improve system security.
  • the cipher key can be combined with the mobile terminal to form a security authentication system.
  • the security authentication system includes a cryptographic key 1 and a mobile terminal 2; and the cryptographic key 1 and the mobile terminal 2 pass through
  • the medium oscillates to transmit signals; the medium can be liquid, solid, air, and the like.
  • the cipher key 1 is the cipher key described above, and details are not described herein again.
  • the transfer terminal can use a mobile phone or a PC.
  • the mobile terminal 2 includes: a second control unit 21, a second oscillation receiving unit 23 connected to the output end of the second control unit 21, and a second oscillation transmitting unit 22 connected to the input end of the second control unit; second oscillation receiving The input end of the unit 23 and the output end of the first oscillating transmitting unit 12 in the cipher key 1 transmit signals through the medium oscillation; the output end of the second oscillating transmitting unit 22 and the input end of the first oscillating receiving unit 13 in the cipher key 1 pass through the medium Oscillation transmits signals.
  • the second oscillation receiving unit 23 in the mobile terminal 2 receives the signal and transmits it to the second control unit 21 for processing, and completes the password information transmission process of the cryptographic key 10 and the mobile terminal 20 in the medium.
  • the second control unit 21 is configured to process the payment information into a signal and transmit the payment information to the cryptographic key to control the oscillating transmitting and receiving unit.
  • the mobile terminal 2 converts the payment information into an oscillating signal (such as a mechanical wave) through the second control unit 21 and the second oscillating transmitting unit 22; the first oscillating receiving unit 13 in the cryptographic key 1 receives the The signal is transmitted to the first control unit 11 for processing and then transmitted to the security module 10; the security module 10 processes the payment information and transmits it to the first control unit 11; the first control unit 11 processes and transmits the signal to the first oscillation transmission.
  • the first oscillating transmitting unit 12 transmits the signal to the medium; after receiving the signal, the second oscillating receiving unit 23 in the mobile terminal 2 transmits the signal to the second control unit 21 for processing, and the cryptographic key 1 is completed.
  • the password information transmission process with the mobile terminal 2 in the medium
  • the mobile terminal 2 is brought close to the cipher key 1, and the required cipher key 1 is authenticated. After the verification is passed, the mobile terminal 2 oscillates and initiates a request to receive payment information.
  • the second control unit 21 in the mobile terminal 2 receives the instruction and processes the signal
  • the second oscillating transmitting unit 22 in the mobile terminal 2 outputs the signal to the medium in which it is located by oscillating;
  • the cryptographic key 1 receives the signal in the medium via the sensor 131 in the first oscillating receiving unit 13;
  • the first control unit 11 in the cryptographic key 1 processes the received signal and transmits it to the security module 10, and the security module 10 processes the payment information requested by the mobile terminal;
  • the first control unit 11 of the cryptographic key 1 processes the information from the security module 10, and then feeds back to the first oscillating transmitting unit 12 and outputs the signal to the medium by oscillating;
  • the sensor of the second oscillation receiving unit 23 in the mobile terminal 2 receives the data information returned by the cipher key 1;
  • the second control unit 21 in the mobile terminal 2 processes the received data information and converts it into the requested payment information.
  • the security authentication system uses the oscillation of the medium in which the cipher key 1 is oscillated to perform wireless transmission of the cryptographic information.
  • the medium, the liquid, the solid, the air and the like are oscillated between the cryptographic key 1 and the mobile terminal 2 to transmit the cryptographic information, without the intervention of the public network, so that the possibility of the attacker stealing the information to crack the password is greatly reduced.
  • the cryptographic key completely transmits information by oscillating in the medium, and has strong versatility and will have a good user experience. .
  • FIG. 4 is a flowchart of the implementation of the security authentication method provided by the embodiment of the present invention, which specifically includes the following steps:
  • the second oscillating transmitting unit in the mobile terminal outputs the signal to the medium in which it is oscillated; the signal generated by the oscillating is generally transmitted in the medium in the form of a mechanical wave or the like, for example, the mechanical wave can identify the frequency of the human ear (20 Hz ⁇ 20KHz) sound waves, which can also be ultrasonic waves with a frequency of (>20KHz);
  • the first oscillating receiving unit in the cryptographic key receives the signal in the medium; the cryptographic key does not need to be interfaced with the mobile terminal, and does not need to be connected to the network, but directly transmits information by oscillating;
  • S5 the first control unit in the cryptographic key processes the received signal and transmits the signal to the security module, where the security module processes the payment information requested by the mobile terminal;
  • the first control unit in the cryptographic key processes the information output by the security module, feeds back to the first oscillating transmitting unit, and outputs the signal to the medium by oscillating;
  • the second oscillating receiving unit in the mobile terminal receives the data information returned by the first oscillating transmitting unit in the cipher key;
  • S8 The second control unit in the mobile terminal processes the received data information and converts it into the requested payment information.
  • the security authentication method provided by the invention utilizes the oscillation of the medium in which the cryptographic key is located to perform wireless transmission of the cryptographic information, and solves the problem that the cryptographic key handheld terminal interface lacks resources and does not match the cryptographic key interface, and the cryptographic key does not need the network to perform information.
  • Transmission; the transmission channel is not a universal channel, which solves the security problem of the ordinary wireless cipher key.

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Abstract

本发明公开了一种密码钥匙、安全认证系统及安全认证方法，密码钥匙包括安全模块、第一控制单元、第一振荡发送单元和第一振荡接收单元；第一振荡接收单元的输入端用于接收介质中传输的振荡信号；第一振荡发送单元的输出端用于将密码信息发送至介质中；第一控制单元的输入端连接至所述第一振荡接收单元的输出端，第一控制单元的控制端连接安全模块，第一控制单元的输出端连接至第一振荡发送单元的输入端。本发明利用密码钥匙所在介质中振荡进行密码信息无线传输，不存在密码钥匙与移动终端接口匹配问题，普适性较高，使用户进行网上支付更加便捷；另外密码钥匙与移动终端之间采用介质振荡进行传输密码信息，无需公共网络介入，安全性高。

Description

一种密码钥匙、安全认证系统及安全认证方法
【技术领域】
本发明属于网络支付的安全认证领域，更具体地，涉及一种密码钥匙、安全认证系统及安全认证方法。
【背景技术】
随着计算机网络，手持设备等技术的发展，网络支付日益普遍。然而，网络支付的便捷，公开与大众化同时导致网上支付存在极大安全隐患，黑客可在任意时刻，从全球任意地点对任意终端发起攻击。为了解决网络支付的安全性问题，20世纪90年代欧美开始使用安全密码钥匙来确保网上交易的安全。我国从本世纪初开始，推出基于USBKey的网络身份认证技术，目前该技术已被广泛用于保障网络支付安全。
当前，伴随个人手持终端及无线网络普及，人们已经不满足于使用固定PC机等进行网上交易，交易客户界面平台逐渐向手持终端迁移，当前手持终端支付身份认证普遍使用USBKey 或TF-Key等进行接触式身份认证。然而，使用USBKey等进行网上支付方式存在一定问题，（1）USBKey等需接触式接口，而手持终端接口资源匮乏；（2）接口导致手持终端面积增大；（3）手持终端带载能力弱，接口扩展困难。
为了解决以上问题，部分产商提出基于电信运营网络（如Wifi或3G）的无线密码钥匙，此种无线密码钥匙虽加强了用户便捷性，却引入另一更严重问题，即交易安全性问题。原因是身份认证过程中，身份验证数据将暴露于公共网络中，遭受攻击可能性大大提高。
【发明内容】
针对现有技术的缺陷，本发明的目的在于提供一种密码钥匙，旨在解决现有手持终端接口资源匮乏以及手持终端与密码钥匙接口不匹配的问题。
本发明提供了一种密码钥匙，包括安全模块、第一控制单元、第一振荡发送单元和第一振荡接收单元；所述第一振荡接收单元用于接收介质中传输的振荡信号；所述第一振荡发送单元用于将密码信息发送至介质中；所述第一控制单元与所述第一振荡接收单元、所述安全模块和所述第一振荡发送单元均连接；所述第一控制单元将所述第一振荡接收单元接收到的振荡信号进行处理后获得的支付信息传输给安全模块，所述安全模块将支付信息进行加密处理后输出；所述安全模块的输出经所述第一控制单元进行解密处理后获得的信号经所述第一振荡发送单元传输至介质中。
更进一步地，所述安全模块包括：安全芯片、存储器件、身份认证管理模块；所述安全芯片与第一控制单元相连，用于获取签名数据并依据该签名数据产生控制信号；所述存储器件与所述安全芯片相连，用于存储所述安全芯片获取的签名数据并提供给安全芯片所需的签名数据与之校验；所述身份认证管理模块与所述第一控制单元相连，用于对移动终端的合法用户的身份管理，并在用户进行交易时对用户身份的鉴别。
更进一步地，所述第一控制单元包括控制器，用于提供与所述安全模块中的所述安全芯片连接的接口，解析并响应所述安全芯片产生的控制信号，并对接收和发送的信息进行控制与处理。
更进一步地，所述第一振荡发送单元包括：在所述第一控制单元的控制下输出振荡波的振荡源。
更进一步地，所述第一振荡接收单元包括：依次连接的传感器和信号处理单元；所述传感器用于检测并接收介质中传输的振荡信号，所述信号处理单元用于将所述振荡信号进行处理后输出数字信号。
更进一步地，所述信号处理单元包括：依次连接的A/D转换电路、解调器、低通滤波器和解码器；所述A/D转换电路用于将传感器接收的介质中传输的振荡信号转换为对应的数字信号；所述解调器用于对所述A/D转换电路输出的数字信号进行解调；所述低通滤波器用于对所述解调器的输出进行滤波处理并获取未解码的基带数字信号；所述解码器将所述低通滤波器输出的基带数字信号进行处理后输出数字信号。
更进一步地，所述振荡信号以机械波的形式在介质中传输。
更进一步地，所述介质为液体、固体或空气的任意一种。
本发明还提供了一种安全认证系统，包括密码钥匙和移动终端；所述移动终端与所述密码钥匙之间通过介质振荡传输信号；所述密码钥匙包括安全模块、第一控制单元、第一振荡发送单元和第一振荡接收单元；所述第一振荡接收单元用于接收介质中传输的振荡信号；所述第一振荡发送单元用于将密码信息发送至介质中；所述第一控制单元与所述第一振荡接收单元、所述安全模块和所述第一振荡发送单元均连接；所述第一控制单元将所述第一振荡接收单元接收到的振荡信号进行处理后获得的支付信息传输给安全模块，所述安全模块将支付信息进行加密处理后输出；所述安全模块的输出经所述第一控制单元进行解密处理后获得的密码信息经所述第一振荡发送单元传输至介质中；所述移动终端包括：第二控制单元、分别与所述第二控制单元连接的第二振荡接收单元和第二振荡发送单元；所述第二振荡接收单元与所述第一振荡发送单元之间通过介质振荡传输信号；所述第二振荡发送单元与所述第一振荡接收单元之间通过介质振荡传输信号；所述第二控制单元将支付信息处理成振荡信号并经所述第二振荡发送单元发送至介质中；所述第二振荡接收单元接收所述第一振荡发送的密码信息；所述第二控制单元将所述密码信息进行处理后完成了所述密码钥匙与所述移动终端在介质中密码信息传输过程。
更进一步地，所述移送终端为手机或PC。
更进一步地，所述振荡信号以机械波的形式在介质中传输。
更进一步地，所述介质为液体、固体或空气的任意一种。
本发明还提供了一种安全认证方法，包括下述步骤：
S1：当密码钥匙通过身份验证后，移动终端振荡并发起接收支付信息的请求；
S2：移动终端中的第二控制单元接收并处理支付信息指令后获得振荡信号；
S3：移动终端中的第二振荡发送单元通过振荡输出所述振荡信号至所在的介质中；
S4：密码钥匙中的第一振荡接收单元接收介质中的振荡信号；
S5：密码钥匙中的第一控制单元将所述振荡信号进行处理后获得的支付信息传输给安全模块，安全模块将所述支付信息进行加密处理后输出；
S6：密码钥匙中的第一控制单元将安全模块的输出进行解密处理后获得的密码信息反馈到第一振荡发送单元并通过振荡输出至介质中；
S7：移动终端中第二振荡接收单元接收第一振荡发送单元返回的密码信息并输出给所述第二控制单元；
S8：移动终端中的所述第二控制单元将接收到的密码信息转化成所请求的支付信息。
更进一步地，在步骤S3中，经振荡产生的信号一般以机械波的形式在介质中传输，所述机械波中为频率为20Hz～20KHz的声波或频率大于20KHz的超声波。
更进一步地，所述介质为液体、固体或空气的任意一种。
更进一步地，所述移送终端为手机或PC。
本发明提供的安全认证方法利用密码钥匙所在的介质的振荡进行密码信息无线传输，解决了密码钥匙手持终端接口资源匮乏及与密码钥匙接口不匹配等问题，同时该密码钥匙无需网络可进行信息的传输；传输信道不是通用信道，解决了普通无线密码钥匙的安全性问题。
【附图说明】
图1是本发明实施例提供的密码钥匙与移动终端的内部模块原理框图；
图2是本发明实施例提供的密码钥匙中安全模块的内部模块原理框图；
图3是本发明实施例提供的密码钥匙中第一振荡发送单元的内部结构框图；
图4是本发明实施例提供的密码钥匙中第一振荡接收单元的内部结构框图；
图5是本发明实施例提供的第一振荡接收单元中信号处理单元的内部模块原理框图；
图6是本发明实施例提供的安全认证方法的实现流程图。
【具体实施方式】
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。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。
为提升现有密码钥匙设备的安全性与普适性，解决现有密码钥匙技术中存在的缺陷，更好的匹配个人身边的移动终端，本发明提出了一种密码钥匙；该密码钥匙可以借助液体、固体、空气振荡传输信息，利用其所在的介质的振荡进行密码信息无线传输，解决了密码钥匙手持终端接口资源匮乏及与密码钥匙接口不匹配等问题，同时由于传输信道不是通用信道，解决了普通无线密码钥匙的安全性问题。
图1示出了本发明实施例提供的密码钥匙内部模块原理框图，为了便于说明，仅示出了与本发明实施例相关的部分，详述如下：
密码钥匙1包括：安全模块10、第一控制单元11、第一振荡发送单元12和第一振荡接收单元13；第一振荡接收单元13的输入端用于接收介质中传输的振荡信号；第一振荡发送单元12的输出端用于将密码信息发送至介质中；第一控制单元11的输入端连接至第一振荡接收单元13的输出端，第一控制单元11的控制端连接安全模块10，第一控制单元11的输出端连接至1第一振荡发送单元12的输入端；第一振荡接收单元13将接收到的振荡信号传输给第一控制单元11进行处理后传给安全模块10，安全模块10将支付信息处理后传输给第一控制单元11；第一控制单元11处理后传输给第一振荡发送单元12；第一振荡发送单元12再将该信号传输到介质中。
其中，如图2所示，安全模块10用于将需要传输给移动终端的信息进行处理；安全模块10包括：安全芯片101、存储器件102、身份认证管理模块103；安全芯片101与第一控制单元11相连获取签名数据，并依据该签名数据产生控制信号；存储器件102与安全芯片101相连，用于存储安全芯片101获取的签名数据并提供给安全芯片101所需的签名数据与之校验。身份认证管理模块103与第一控制单元11相连，用于对移动终端的合法用户的身份管理，并在用户进行交易时对用户身份的鉴别。
第一控制单元11用于将安全模块10处理后的信息转化成第一振荡发送单元12可发送的信号；第一控制单元11包括控制器，用于提供对安全模块10的安全芯片101的接口，解析并响应安全芯片101产生的控制信号，并对接收和发送的信息进行控制与处理。
在本发明实施例中，还包括用于给密码钥匙正常工作供电的电池（图中未示出）。本发明借助液体、固体、空气振荡传输信息的密码钥匙1与现有的密码钥匙（如USBkey等）相比需要增加一些元件，随着移动终端与密码钥匙的发展，人们对便捷性和安全性的需求越来越高，可以根据本发明所述的技术专门定制相关的密码钥匙，以便使人们在生活中使用移动终端实时网上支付时更具普适性与安全性。
如图3所示，第一振荡发送单元12包括：在第一控制单元11的控制下输出振荡波的振荡源120；振荡源120可以为机械振荡源；振荡波可以为机械波。
如图4所示，第一振荡接收单元13包括：依次连接的传感器131和信号处理单元132；传感器131用于检测并接收介质中传输的振荡信号，信号处理单元132用于将振荡信号进行处理后输出数字信号。
其中，传感器131可以为MEMS传感器等。如图5所示，信号处理单元132包括：依次连接的A/D转换电路1321、解调器1322、低通滤波器1323和解码器1324；A/D转换电路1321输入端与传感器131输出端相连，输出端与解调器1322输入端相连，用于将传感器131接收的模拟信号转换为对应的数字信号。解调器1322输出端与低通滤波器1323输入端相连，用于对数字信号解调。低通滤波器1323输出端与解码器1324输入端相连，用于获取未解码的基带数字信号。解码器1324输出端输出数字信号。
本发明实施例利用密码钥匙所在介质的振荡进行密码信息无线传输，不存在密码钥匙与手持终端接口匹配问题；使用密码钥匙与手持终端之间液体、固体、空气等介质振荡进行传输密码信息，无需公共网络介入，提高系统安全性。
在本发明实施例中，上述密码钥匙可以与移动终端结合形成一种安全认证系统，如图1所示，安全认证系统包括密码钥匙1和移动终端2；密码钥匙1与移动终端2之间通过介质振荡传输信号；介质可以为液体、固体、空气等。其中，密码钥匙1即为上述的密码钥匙，在此不再赘述。移送终端可以采用手机或PC。
移动终端2包括：第二控制单元21、与第二控制单元21的输出端连接的第二振荡接收单元23和与第二控制单元的输入端连接的第二振荡发送单元22；第二振荡接收单元23的输入端与密码钥匙1中第一振荡发送单元12的输出端通过介质振荡传输信号；第二振荡发送单元22的输出端与密码钥匙1中第一振荡接收单元13的输入端通过介质振荡传输信号。移动终端2中的第二振荡接收单元23接收到该信号后传输给第二控制单元21进行处理，完成了密码钥匙10与移动终端20在介质中密码信息传输过程。第二控制单元21用于将支付信息处理成信号并向密码钥匙发送支付信息，对振荡发送和接收单元进行控制。
在本发明实施例中，移动终端2通过第二控制单元21及第二振荡发送单元22将支付信息转化成振荡信号发出（如机械波）；密码钥匙1中的第一振荡接收单元13接收到该信号，并将其传输给第一控制单元11进行处理之后传给安全模块10；安全模块10将支付信息处理后传输给第一控制单元11；第一控制单元11处理后传输给第一振荡发送单元12；第一振荡发送单元12再将该信号传输到介质中；移动终端2中的第二振荡接收单元23接收到该信号后，传输给第二控制单元21进行处理，完成了密码钥匙1与移动终端2在介质中密码信息传输过程。
为了更进一步的说明本发明实施例提供的安全认证系统，现结合实例详述其如何实现安全认证的操作流程如下：
（1）将移动终端2靠近密码钥匙1，对所需的密码钥匙1进行身份验证，验证通过后，移动终端2振荡发起接收支付信息的请求；
（2）移动终端2中的第二控制单元21接收到指令并处理该信号；
（3）移动终端2中的第二振荡发送单元22通过振荡输出该信号到所在的介质中；
（4）密码钥匙1经第一振荡接收单元13中传感器131接收介质中的信号；
（5）密码钥匙1中的第一控制单元11处理接收到的信号，再传输给安全模块10，安全模块10处理移动终端所请求的支付信息；
（6）密码钥匙1的第一控制单元11处理来自安全模块10的信息，之后再反馈到第一振荡发送单元12并通过振荡输出信号到介质中；
（7）移动终端2中的第二振荡接收单元23的传感器接收密码钥匙1返回的数据信息；
（8）移动终端2中的第二控制单元21处理接收的数据信息，并转化成所请求的支付信息。
本发明实施例提供的安全认证系统利用密码钥匙1所在介质中振荡进行密码信息无线传输，不存在密码钥匙与移动终端接口匹配问题，普适性较高，使用户进行网上支付更加便捷。使用密码钥匙1与移动终端2之间液体、固体、空气等介质振荡进行传输密码信息，无需公共网络介入，使得攻击者窃取信息来破解密码的可能性大大降低。相比于现有的密码钥匙（如USBkey等）与移动终端进行信息传输交易的技术，本密码钥匙完全由通过在介质中的振荡来传输信息，通用性较强，将具有良好的用户使用体验。
图4示出了本发明实施例提供的安全认证方法的实现流程，具体包括下述步骤：
S1：当密码钥匙通过身份验证后，移动终端振荡发起接收支付信息的请求；
S2：移动终端中的第二控制端接收支付信息指令并处理该指令信号；
S3：移动终端中的第二振荡发送单元通过振荡输出该信号到所在的介质中；经振荡产生的信号一般以机械波等形式的波在介质中传输，比如机械波中可以为人耳识别频率（20Hz～20KHz）的声波，也可以是频率为（>20KHz）的超声波等；
S4：密码钥匙中的第一振荡接收单元接收介质中的信号；密码钥匙与移动终端无需接口相匹配，无需连接网络，而是直接通过振荡来传输信息；
S5：密码钥匙中的第一控制单元将接收到的信号进行处理后传输给安全模块，安全模块处理移动终端所请求的支付信息；
S6：密码钥匙中的第一控制单元将安全模块输出的信息进行处理后反馈到第一振荡发送单元并通过振荡输出信号到介质中；
S7：移动终端中第二振荡接收单元接收密码钥匙中第一振荡发送单元返回的数据信息；
S8：移动终端中的第二控制单元处理接收到的数据信息并转化成所请求的支付信息。
本发明提供的安全认证方法利用密码钥匙所在的介质的振荡进行密码信息无线传输，解决了密码钥匙手持终端接口资源匮乏及与密码钥匙接口不匹配等问题，同时该密码钥匙无需网络可进行信息的传输；传输信道不是通用信道，解决了普通无线密码钥匙的安全性问题。
本领域的技术人员容易理解，以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。

Claims (16)

  1. 一种密码钥匙，其中，包括：安全模块、第一控制单元、第一振荡发送单元和第一振荡接收单元；
    所述第一振荡接收单元用于接收介质中传输的振荡信号；
    所述第一振荡发送单元用于将密码信息发送至介质中；
    所述第一控制单元与所述第一振荡接收单元、所述安全模块和所述第一振荡发送单元均连接；
    所述第一控制单元将所述第一振荡接收单元接收到的振荡信号进行处理后获得的支付信息传输给安全模块，所述安全模块将支付信息进行加密处理后输出；所述安全模块的输出经所述第一控制单元进行解密处理后获得的信号经所述第一振荡发送单元传输至介质中。
  2. 如权利要求1所述的密码钥匙，其中，所述安全模块包括：安全芯片、存储器件、身份认证管理模块；
    所述安全芯片与第一控制单元相连，用于获取签名数据并依据该签名数据产生控制信号；
    所述存储器件与所述安全芯片相连，用于存储所述安全芯片获取的签名数据并提供给安全芯片所需的签名数据与之校验；
    所述身份认证管理模块与所述第一控制单元相连，用于对移动终端的合法用户的身份管理，并在用户进行交易时对用户身份的鉴别。
  3. 如权利要求2所述的密码钥匙，其中，所述第一控制单元包括控制器，用于提供与所述安全模块中的所述安全芯片连接的接口，解析并响应所述安全芯片产生的控制信号，并对接收和发送的信息进行控制与处理。
  4. 如权利要求1所述的密码钥匙，其中，所述第一振荡发送单元包括：在所述第一控制单元的控制下输出振荡波的振荡源。
  5. 如权利要求1所述的密码钥匙，其中，所述第一振荡接收单元包括：依次连接的传感器和信号处理单元；所述传感器用于检测并接收介质中传输的振荡信号，所述信号处理单元用于将所述振荡信号进行处理后输出数字信号。
  6. 如权利要求5所述的密码钥匙，其中，所述信号处理单元包括：依次连接的A/D转换电路、解调器、低通滤波器和解码器；
    所述A/D转换电路用于将传感器接收的介质中传输的振荡信号转换为对应的数字信号；
    所述解调器用于对所述A/D转换电路输出的数字信号进行解调；
    所述低通滤波器用于对所述解调器的输出进行滤波处理并获取未解码的基带数字信号；
    所述解码器将所述低通滤波器输出的基带数字信号进行处理后输出数字信号。
  7. 如权利要求1所述的密码钥匙，其中，所述振荡信号以机械波的形式在介质中传输。
  8. 如权利要求7所述的密码钥匙，其中，所述介质为液体、固体或空气的任意一种。
  9. 一种安全认证系统，包括密码钥匙和移动终端；所述移动终端与所述密码钥匙之间通过介质振荡传输信号；
    所述密码钥匙包括安全模块、第一控制单元、第一振荡发送单元和第一振荡接收单元；
    所述第一振荡接收单元用于接收介质中传输的振荡信号；
    所述第一振荡发送单元用于将密码信息发送至介质中；
    所述第一控制单元与所述第一振荡接收单元、所述安全模块和所述第一振荡发送单元均连接；
    所述第一控制单元将所述第一振荡接收单元接收到的振荡信号进行处理后获得的支付信息传输给安全模块，所述安全模块将支付信息进行加密处理后输出；所述安全模块的输出经所述第一控制单元进行解密处理后获得的密码信息经所述第一振荡发送单元传输至介质中；
    所述移动终端包括：第二控制单元、分别与所述第二控制单元连接的第二振荡接收单元和第二振荡发送单元；所述第二振荡接收单元与所述第一振荡发送单元之间通过介质振荡传输信号；所述第二振荡发送单元与所述第一振荡接收单元之间通过介质振荡传输信号；
    所述第二控制单元将支付信息处理成振荡信号并经所述第二振荡发送单元发送至介质中；所述第二振荡接收单元接收所述第一振荡发送的密码信息；所述第二控制单元将所述密码信息进行处理后完成了所述密码钥匙与所述移动终端在介质中密码信息传输过程。
  10. 如权利要求9所述的安全认证系统，其中，所述移送终端为手机或PC。
  11. 如权利要求9所述的安全认证系统，其中，所述振荡信号以机械波的形式在介质中传输。
  12. 如权利要求11所述的安全认证系统，其中，所述介质为液体、固体或空气的任意一种。
  13. 一种安全认证方法，其中，包括下述步骤：
    S1：当密码钥匙通过身份验证后，移动终端振荡并发起接收支付信息的请求；
    S2：移动终端中的第二控制单元接收并处理支付信息指令后获得振荡信号；
    S3：移动终端中的第二振荡发送单元通过振荡输出所述振荡信号至所在的介质中；
    S4：密码钥匙中的第一振荡接收单元接收介质中的振荡信号；
    S5：密码钥匙中的第一控制单元将所述振荡信号进行处理后获得的支付信息传输给安全模块，安全模块将所述支付信息进行加密处理后输出；
    S6：密码钥匙中的第一控制单元将安全模块的输出进行解密处理后获得的密码信息反馈到第一振荡发送单元并通过振荡输出至介质中；
    S7：移动终端中第二振荡接收单元接收第一振荡发送单元返回的密码信息并输出给所述第二控制单元；
    S8：移动终端中的所述第二控制单元将接收到的密码信息转化成所请求的支付信息。
  14. 如权利要求13所述的认证方法，其中，在步骤S3中，经振荡产生的信号一般以机械波的形式在介质中传输，所述机械波中为频率为20Hz～20KHz的声波或频率大于20KHz的超声波。
  15. 如权利要求14所述的认证方法，其中，所述介质为液体、固体或空气的任意一种。
  16. 如权利要求14所述的认证方法，其中，所述移送终端为手机或PC。
PCT/CN2013/085152 2012-10-23 2013-10-14 一种密码钥匙、安全认证系统及安全认证方法 WO2014063575A1 (zh)

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