WO2017067293A1 - Procédé et dispositif de déverrouillage par empreinte digitale, et terminal - Google Patents

Procédé et dispositif de déverrouillage par empreinte digitale, et terminal Download PDF

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Publication number
WO2017067293A1
WO2017067293A1 PCT/CN2016/093752 CN2016093752W WO2017067293A1 WO 2017067293 A1 WO2017067293 A1 WO 2017067293A1 CN 2016093752 W CN2016093752 W CN 2016093752W WO 2017067293 A1 WO2017067293 A1 WO 2017067293A1
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WO
WIPO (PCT)
Prior art keywords
fingerprint
verification
sensor
setting
module
Prior art date
Application number
PCT/CN2016/093752
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English (en)
Chinese (zh)
Inventor
张强
王立中
周海涛
蒋奎
贺威
Original Assignee
广东欧珀移动通信有限公司
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.)
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Publication date
Application filed by 广东欧珀移动通信有限公司 filed Critical 广东欧珀移动通信有限公司
Publication of WO2017067293A1 publication Critical patent/WO2017067293A1/fr

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Classifications

    • 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
    • G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/31—User authentication
    • G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints

Definitions

  • Embodiments of the present invention relate to a fingerprint identification technology, and in particular, to a method, an apparatus, and a terminal for unlocking a fingerprint.
  • the interface between the system and the user on each terminal is called the terminal interface. Every process that starts from this terminal will be attached to this terminal. This terminal is called the control terminal of these processes. When the control terminal is closed, the corresponding process Will automatically close.
  • the process of the corresponding fingerprint service is closed.
  • the fingerprint sensor is triggered.
  • the Linux kernel responds to the interrupt signal and obtains the interrupt signal through the power management service (powermanagerservice) and sends a broadcast. After the fingerprint service receives the broadcast, it starts to verify the fingerprint. If the verification succeeds, The system lights up the screen.
  • a method for unlocking a fingerprint includes:
  • the terminal When the terminal is in a black screen state, it is detected by the fingerprint sensor whether there is fingerprint input;
  • the fingerprint sensor When fingerprint input is detected by the fingerprint sensor, the fingerprint sensor is triggered to collect a fingerprint, and the collected fingerprint is verified;
  • the screen is lit and unlocked.
  • an embodiment of the present invention further provides a device for unlocking a fingerprint
  • a fingerprint detecting module configured to detect, by the fingerprint sensor, whether fingerprint input is performed when the terminal is in a black screen state
  • a fingerprint verification module configured to trigger a fingerprint sensor to collect a fingerprint when the fingerprint sensor detects that the fingerprint is entered by the fingerprint sensor, and verify the collected fingerprint
  • the screen lighting module is used to light up the screen and unlock when the fingerprint verification is successful.
  • an embodiment of the present invention further provides a terminal, including a fingerprint sensor, and a device for unlocking a fingerprint connected to the fingerprint sensor;
  • the device for unlocking the fingerprint includes:
  • a fingerprint detecting module configured to detect, by the fingerprint sensor, whether there is fingerprint input when the terminal is in a black screen state
  • a fingerprint verification module configured to trigger a fingerprint sensor to collect a fingerprint when the fingerprint sensor detects that the fingerprint is entered by the fingerprint sensor, and verify the collected fingerprint
  • the screen lighting module is used to light up the screen and unlock if the fingerprint verification is successful.
  • Embodiments of the present invention provide a method, a device, and a terminal for unlocking a fingerprint to save time for fingerprint unlocking.
  • Embodiment 1 is a flowchart of a method for unlocking a fingerprint according to Embodiment 1 of the present invention
  • FIG. 2 is a flowchart of a method for unlocking a fingerprint according to Embodiment 2 of the present invention
  • FIG. 3 is a flowchart of a method for unlocking a fingerprint according to Embodiment 3 of the present invention.
  • FIG. 4 is a schematic structural diagram of an apparatus for unlocking a fingerprint according to Embodiment 4 of the present invention.
  • FIG. 5 is a schematic structural diagram of a terminal according to Embodiment 5 of the present invention.
  • the embodiment of the invention provides a method for unlocking a fingerprint, comprising:
  • the terminal When the terminal is in a black screen state, it is detected by the fingerprint sensor whether there is fingerprint input;
  • the fingerprint sensor When fingerprint input is detected by the fingerprint sensor, the fingerprint sensor is triggered to collect a fingerprint, and the collected fingerprint is verified;
  • the screen is lit and unlocked.
  • the fingerprint sensor detects whether there is fingerprint entry, including:
  • the fingerprint identification process is used to detect whether there is fingerprint entry through the fingerprint sensor.
  • the method before the fingerprint identification process detects whether the fingerprint is recorded by the fingerprint sensor, the method further includes: setting the fingerprint recognition process to a real-time monitoring state.
  • setting the fingerprint identification process to a real-time monitoring state includes:
  • the fingerprint recognition process is set to a real-time monitoring state by setting the fingerprint recognition process as a daemon process.
  • the method for unlocking the fingerprint further includes:
  • the setting reminding manner includes: shaking and/or ringing.
  • the collected fingerprints are verified, including:
  • the comparison is successful, it is determined that the fingerprint verification is successful; if the comparison fails, it is determined that the fingerprint verification fails.
  • the embodiment of the invention further provides a device for unlocking a fingerprint, comprising:
  • a fingerprint detecting module configured to detect, by the fingerprint sensor, whether fingerprint input is performed when the terminal is in a black screen state
  • a fingerprint verification module configured to trigger a fingerprint sensor to collect a fingerprint when the fingerprint sensor detects that the fingerprint is entered by the fingerprint sensor, and verify the collected fingerprint
  • the screen lighting module is used to light up the screen and unlock if the fingerprint verification is successful.
  • the fingerprint detection module is specifically configured to:
  • the fingerprint identification process is used to detect whether there is fingerprint entry through the fingerprint sensor.
  • the device for unlocking the fingerprint further includes:
  • the monitoring status setting module is configured to set the fingerprint identification process to a real-time monitoring state before the fingerprint identification process detects whether there is fingerprint input by the fingerprint detecting module.
  • the monitoring status setting module includes:
  • a daemon setting unit configured to set the fingerprint recognition process to a real-time monitoring state by setting the fingerprint recognition process as a daemon process
  • the device for unlocking the fingerprint further includes:
  • the reminder module is used to remind the user by setting a reminder method if the fingerprint verification fails.
  • the setting reminding manner includes: shaking and/or ringing.
  • the fingerprint verification module includes:
  • a feature extraction unit configured to extract a fingerprint feature of the collected fingerprint
  • a fingerprint feature comparison unit configured to compare the fingerprint feature of the collected fingerprint with a fingerprint feature in the fingerprint library
  • the verification failure determination unit determines that the fingerprint verification has failed when the comparison fails.
  • An embodiment of the present invention further provides a terminal, including a fingerprint sensor, and a device for unlocking a fingerprint connected to the fingerprint sensor;
  • the device for unlocking the fingerprint includes:
  • a fingerprint detecting module configured to detect, by the fingerprint sensor, whether there is fingerprint input when the terminal is in a black screen state
  • a fingerprint verification module configured to trigger a fingerprint sensor to collect a fingerprint when the fingerprint sensor detects that the fingerprint is entered by the fingerprint sensor, and verify the collected fingerprint
  • the screen lighting module is used to light up the screen and unlock if the fingerprint verification is successful.
  • the fingerprint detection module is specifically configured to:
  • the fingerprint identification process is used to detect whether there is fingerprint entry through the fingerprint sensor.
  • the device for unlocking the fingerprint further includes:
  • the monitoring status setting module is configured to set the fingerprint identification process to a real-time monitoring state before the fingerprint identification process detects whether there is fingerprint input by the fingerprint detecting module.
  • the monitoring status setting module includes:
  • the daemon setting unit is configured to set the fingerprint recognition process to a real-time monitoring state by setting the fingerprint recognition process as a daemon process.
  • the device for unlocking the fingerprint further includes:
  • the reminder module is used to remind the user by setting a reminder method if the fingerprint verification fails.
  • the setting reminding manner includes: shaking and/or ringing.
  • the fingerprint verification module includes:
  • a feature extraction unit configured to extract a fingerprint feature of the collected fingerprint
  • a fingerprint feature comparison unit configured to compare the fingerprint feature of the collected fingerprint with a fingerprint feature in the fingerprint library
  • the verification failure determination unit determines that the fingerprint verification has failed when the comparison fails.
  • FIG. 1 is a flowchart of a method for unlocking a fingerprint according to a first embodiment of the present invention.
  • the present embodiment is applicable to a method for unlocking a terminal by using a fingerprint.
  • the method may be implemented by hardware or software installed in the terminal, including The following steps:
  • Step 110 When the terminal is in a black screen state, detecting whether there is fingerprint input by using a fingerprint sensor;
  • fingerprint sensors for example, optical fingerprint sensors, ultrasonic sensors, semiconductor fingerprint sensors, and the like.
  • the fingerprint sensor may be a semiconductor fingerprint sensor.
  • the semiconductor fingerprint sensor can be a capacitive fingerprint sensor or an inductive fingerprint sensor.
  • the capacitive fingerprint sensor works on the other side of a "slab" integrated with thousands of semiconductor devices, on which the finger is attached to the other side of the capacitor, due to the unevenness of the finger plane, bumps and pits. The actual distance of the contact plate is not the same, and the capacitance value formed is different.
  • the capacitive fingerprint sensor can include a plurality of sensing units, for example, including 200 ⁇ 200 sensing units.
  • the specific working process is: charging the capacitive sensing unit at each pixel to a certain reference voltage, and when the finger touches the capacitive fingerprint
  • the sensing unit discharges, because the ⁇ is convex and the ⁇ is concave. Since the capacitance value is related to the distance, different capacitance values are formed at the ⁇ and ⁇ , so the discharge rates at the ⁇ and ⁇ are also different.
  • the sensing unit at the location has high capacitance and slow discharge; while the sensing unit at the crucible has low capacitance and fast discharge, according to the different discharge rate, the position of the crucible and the crucible can be detected, thereby forming fingerprint image data, which is convenient. Subsequent comparison and verification of the fingerprint features in the fingerprint library.
  • the fingerprint sensor can detect whether there is fingerprint input.
  • the fingerprint sensor detects fingerprint input.
  • Step 120 When fingerprint input is detected by the fingerprint sensor, the fingerprint sensor is triggered to collect the fingerprint, and the collected fingerprint is verified;
  • the fingerprint sensor When the fingerprint sensor detects fingerprint input, the fingerprint sensor collects the fingerprint, and the terminal compares the fingerprint collected by the fingerprint sensor with the fingerprint in the fingerprint database to verify whether the collected fingerprint is a stored fingerprint for unlocking.
  • Step 130 If the fingerprint verification is successful, the screen is illuminated and unlocked.
  • the system can be notified to unlock, and then the rest service can wake up other services of the system for the user to use; after the screen is lit, the other services of the system can be awake first, and then unlocked.
  • the above system refers to the operating system of the terminal, such as an Android system.
  • the manner of notification described above refers to the mechanism of inter-process communication, which may be a pipe, a signal, and a trace.
  • the Binder mechanism is preferred, and the Binder mechanism is an interprocess communication mechanism.
  • other services of the system may include: listening to music, watching videos and other services unrelated to the fingerprint service.
  • the fingerprint sensor detects whether there is fingerprint input.
  • the fingerprint sensor detects fingerprint input
  • the fingerprint sensor is triggered to collect the fingerprint, and the collected fingerprint is verified, and if the fingerprint is verified, If successful, the screen will be illuminated and unlocked.
  • fingerprint verification can be performed only by triggering the fingerprint sensor. If the verification is successful, the screen can be illuminated, and the time for lighting the screen and unlocking by using the fingerprint is accelerated, thereby improving the user experience.
  • the step 120 is optimized.
  • the verification of the collected fingerprint may include:
  • the fingerprint sensor first inputs the required fingerprint into the fingerprint sensor, and stores the fingerprint feature of the fingerprint in the terminal. After the fingerprint sensor processes the collected fingerprint, the fingerprint sensor can Compare with fingerprint features in inventory.
  • the fingerprint triggering the fingerprint sensor at this time is a fingerprint already stored in the inventory, and then the fingerprint sensor determines that the fingerprint recognition is successful.
  • the comparison is unsuccessful, it can be determined that there is no fingerprint in the inventory corresponding to the fingerprint that triggered the fingerprint sensor.
  • the fingerprint feature is extracted and compared with the fingerprint feature in the inventory, and the process of fingerprint verification can be completed.
  • the embodiment of the invention provides a method for unlocking a fingerprint.
  • the fingerprint sensor detects whether there is fingerprint input.
  • the fingerprint sensor detects fingerprint input
  • the fingerprint sensor is triggered to collect the fingerprint, and the fingerprint is collected.
  • the fingerprint is verified. If the verification is successful, the screen is illuminated and unlocked.
  • the solution realizes that when the terminal is in a black screen state, the fingerprint verification can be performed only by triggering the fingerprint sensor. If the verification is successful, the screen can be illuminated, and the time for lighting the screen and unlocking by using the fingerprint is accelerated, thereby improving the user experience.
  • Embodiment 2 is a flowchart of a method for unlocking a fingerprint according to Embodiment 2 of the present invention.
  • the present embodiment is optimized based on the first embodiment, and includes:
  • Step 210 Set the fingerprint identification process to a real-time monitoring state
  • the fingerprint recognition process can be set to a real-time monitoring state, so that it is convenient to detect whether there is fingerprint input at any time.
  • setting the fingerprint recognition process to the real-time monitoring state may include: setting the fingerprint recognition process to a real-time monitoring state by setting the fingerprint recognition process as a daemon process.
  • the fingerprint recognition process can be set to a real-time monitoring state by setting the fingerprint recognition process as a daemon.
  • a daemon is a background service process in Linux.
  • a daemon is a long-lived process, and a daemon can usually be independent of the controlling terminal and periodically perform certain tasks or wait for certain events to occur. The daemon can be unaffected by the terminal switch, and the daemon will not shut down when the terminal is shut down. Therefore, the fingerprint recognition process can be used as a daemon to monitor whether fingerprints are recorded in real time. When fingerprints are entered, fingerprints can be directly collected and the collected fingerprints can be verified, which saves time for fingerprint verification and improves user experience.
  • the fingerprint recognition process is in a low power standby state; when the fingerprint sensor detects fingerprint entry, it notifies the fingerprint recognition process to perform fingerprint verification.
  • Step 220 Using a fingerprint identification process to detect whether a fingerprint is entered by using a fingerprint sensor
  • the fingerprint identification process may be used to detect whether there is fingerprint input through the fingerprint sensor.
  • Step 230 When fingerprint input is detected by the fingerprint sensor, the fingerprint sensor is triggered to collect the fingerprint, and the collected fingerprint is verified;
  • Step 240 If the fingerprint verification is successful, the screen is illuminated and unlocked.
  • the fingerprint recognition process is set to a real-time monitoring state by setting the fingerprint recognition process as a daemon process.
  • the Linux kernel responds to the interrupt signal, and the fingerprint recognition process immediately starts verifying the fingerprint. If the fingerprint verification is successful, the screen is illuminated and unlocked. It has been tested to save about 100-200 ms compared to the prior art using fingerprints to illuminate the screen.
  • the technical solution of the embodiment sets the fingerprint identification process to the real-time monitoring state.
  • the fingerprint recognition process is awakened to perform fingerprint verification. If the verification succeeds, the screen may be illuminated.
  • the use of fingerprints to light the screen for a short period of time enhances the user experience.
  • FIG. 3 is a flowchart of a method for unlocking a fingerprint according to Embodiment 3 of the present invention.
  • the present embodiment is optimized based on the first embodiment, and includes:
  • Step 310 When the terminal is in a black screen state, detecting whether there is fingerprint input by using a fingerprint sensor;
  • Step 320 When fingerprint input is detected by the fingerprint sensor, the fingerprint sensor is triggered to collect the fingerprint, and the collected fingerprint is verified;
  • Step 330 If the fingerprint verification is successful, the screen is illuminated and unlocked.
  • step 340 if the fingerprint verification fails, the user is reminded by setting a reminder manner.
  • the setting reminding mode may preferably be vibration and/or ringing.
  • This setting makes it easy for the user to get a reminder when the fingerprint verification fails.
  • the user can re-find the fingerprint with the correct fingerprint or directly abandon the fingerprint verification.
  • the technical solution of the embodiment is to detect whether there is fingerprint input when the terminal is in a black screen state.
  • the fingerprint sensor detects fingerprint input
  • the fingerprint may be directly collected and verified, and if the verification succeeds, the LED is lit. The screen is unlocked. If the verification fails, the user is notified in a set manner to let the user know. This saves time when the verification is successful, and sends a reminder after the verification fails to enhance the user experience.
  • FIG. 4 is a schematic structural diagram of a device for unlocking a fingerprint according to Embodiment 4 of the present invention.
  • the device is configured in a terminal, and the method may be implemented in the foregoing embodiment.
  • the device specifically includes:
  • the fingerprint detecting module 401 is configured to detect, by the fingerprint sensor, whether there is fingerprint input when the terminal is in a black screen state;
  • the fingerprint verification module 402 is configured to trigger the fingerprint sensor to collect the fingerprint when the fingerprint sensor detects the fingerprint input, and verify the collected fingerprint;
  • the screen lighting module 403 is configured to light up the screen and unlock if the fingerprint verification is successful.
  • the fingerprint detecting module 401 is specifically configured to: use a fingerprint sensor to detect whether there is fingerprint input by using a fingerprint identification process.
  • the device further includes:
  • the monitoring status setting module is configured to set the fingerprint identification process to a real-time monitoring state before the fingerprint identification process detects whether there is fingerprint input by the fingerprint detecting module.
  • the monitoring status setting module includes:
  • the daemon setting unit is configured to set the fingerprint recognition process to the real-time monitoring state by setting the fingerprint recognition process as a daemon.
  • the device further comprises:
  • the reminder module is used to remind the user by setting a reminder method if the fingerprint verification fails.
  • the setting reminding manner includes: shaking and/or ringing.
  • the fingerprint verification module 402 includes:
  • a feature extraction unit configured to extract a fingerprint feature of the collected fingerprint
  • a fingerprint feature comparison unit configured to compare the fingerprint feature of the collected fingerprint with a fingerprint feature in the fingerprint library
  • the verification success determining unit is configured to determine that the fingerprint verification is successful when the comparison is successful;
  • the verification failure determining unit is configured to determine that the fingerprint verification fails when the comparison fails.
  • the foregoing modules may be implemented as a separate entity, or may be implemented in any combination, and may be implemented as the same or a plurality of entities.
  • the foregoing modules refer to the foregoing method embodiments, and details are not described herein again.
  • the above device can perform the method provided by any embodiment of the present invention, and has the corresponding functional modules and beneficial effects of the execution method.
  • FIG. 5 is a schematic structural diagram of a terminal according to Embodiment 5 of the present invention.
  • the terminal 50 includes a fingerprint sensor 51, and further includes: a fingerprint unlocking device 52 according to any embodiment of the present invention.
  • the terminal may be a device held by a user such as a mobile phone or a tablet computer, but is not limited to the above device.
  • the technical solution of this embodiment provides a terminal, where the terminal includes a fingerprint sensor 51, and a device 52 for unlocking a fingerprint connected to the fingerprint sensor;
  • the fingerprint unlocking device 52 can include:
  • a fingerprint detecting module configured to detect, by the fingerprint sensor, whether there is fingerprint input when the terminal is in a black screen state
  • a fingerprint verification module configured to trigger a fingerprint sensor to collect a fingerprint when the fingerprint sensor detects that the fingerprint is entered by the fingerprint sensor, and verify the collected fingerprint
  • the screen lighting module is used to light up the screen and unlock if the fingerprint verification is successful.
  • the fingerprint detecting module 401 is specifically configured to: use a fingerprint sensor to detect whether there is fingerprint input by using a fingerprint identification process.
  • the device further comprises:
  • the monitoring status setting module is configured to set the fingerprint recognition process to a real-time monitoring state before the fingerprint identification process detects whether there is fingerprint input by the fingerprint detecting module.
  • the monitoring status setting module includes:
  • the daemon setting unit is configured to set the fingerprint recognition process to the real-time monitoring state by setting the fingerprint recognition process as a daemon.
  • the device further comprises:
  • the reminder module is used to remind the user by setting a reminder method if the fingerprint verification fails.
  • the setting reminding manner includes: shaking and/or ringing.
  • the fingerprint verification module 402 includes:
  • a feature extraction unit configured to extract a fingerprint feature of the collected fingerprint
  • a fingerprint feature comparison unit configured to compare the fingerprint feature of the collected fingerprint with a fingerprint feature in the fingerprint library
  • the verification success determining unit is configured to determine that the fingerprint verification is successful when the comparison is successful;
  • the verification failure determining unit is configured to determine that the fingerprint verification fails when the comparison fails.
  • the terminal provided in this embodiment may further include: radio frequency (RF, Radio) Frequency circuit, memory, input unit, display unit, sensor, audio circuit, wireless fidelity (WiFi, Wireless) including one or more computer readable storage media Fidelity modules, including processors with one or more processing cores, and power supplies.
  • RF radio frequency
  • WiFi Wireless
  • Wireless wireless fidelity
  • the fingerprint unlocking device 52 can be integrated in the processor.
  • the terminal having the fingerprint sensor and the fingerprint unlocking device first detects whether there is fingerprint input through the fingerprint sensor when the terminal is in a black screen state, and when the fingerprint sensor detects the fingerprint input, triggers the fingerprint sensor to collect the fingerprint, and collects the fingerprint.
  • the fingerprint that is sent is verified. If the verification is successful, the screen is illuminated and unlocked.
  • fingerprint verification can be performed only by triggering the fingerprint sensor. If the verification is successful, the screen can be illuminated, and the time for lighting the screen and unlocking by using the fingerprint is accelerated, thereby improving the user experience.
  • ROM read only memory
  • RAM Random Access Memory

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  • Computer Security & Cryptography (AREA)
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  • Computer Hardware Design (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
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  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
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Abstract

La présente invention concerne un procédé et un dispositif de déverrouillage par empreinte digitale, ainsi qu'un terminal. Le procédé consiste : lorsqu'un terminal est à l'état d'écran noir, à détecter s'il y a une entrée d'empreinte digitale par le biais d'un lecteur d'empreinte digitale ; quand une entrée d'empreinte digitale est détectée par le biais du lecteur d'empreinte digitale, à déclencher le lecteur d'empreinte digitale pour lire une empreinte digitale et authentifier l'empreinte digitale lue ; et, si l'empreinte digitale est authentifiée avec succès, à éclairer l'écran et à réaliser le déverrouillage.
PCT/CN2016/093752 2015-10-19 2016-08-05 Procédé et dispositif de déverrouillage par empreinte digitale, et terminal WO2017067293A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510681086.3A CN105303090A (zh) 2015-10-19 2015-10-19 一种指纹解锁的方法、装置和终端
CN201510681086.3 2015-10-19

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WO2017067293A1 true WO2017067293A1 (fr) 2017-04-27

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