CN113158265A - Safe and universal screen password input device and method and terminal equipment - Google Patents
Safe and universal screen password input device and method and terminal equipment Download PDFInfo
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- CN113158265A CN113158265A CN202110348322.5A CN202110348322A CN113158265A CN 113158265 A CN113158265 A CN 113158265A CN 202110348322 A CN202110348322 A CN 202110348322A CN 113158265 A CN113158265 A CN 113158265A
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- 238000001514 detection method Methods 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 description 6
- 208000008918 voyeurism Diseases 0.000 description 6
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 4
- 238000012806 monitoring device Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012905 input function Methods 0.000 description 2
- 241001122767 Theaceae Species 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
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- 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
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/82—Protecting input, output or interconnection devices
- G06F21/83—Protecting input, output or interconnection devices input devices, e.g. keyboards, mice or controllers thereof
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
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- 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
- G06F21/60—Protecting data
- G06F21/606—Protecting data by securing the transmission between two devices or processes
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- 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
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/82—Protecting input, output or interconnection devices
- G06F21/85—Protecting input, output or interconnection devices interconnection devices, e.g. bus-connected or in-line devices
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0042—Universal serial bus [USB]
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Abstract
The invention discloses a safe and universal screen password input device, a method and terminal equipment, wherein the device comprises a main processor, a digital signal processor, a national password security chip, a USB chip and a USB change-over switch; the digital signal processor is used for overlapping a code keyboard image on a display signal of the equipment host; the main processor is used for controlling the USB selector switch to cut off a USB channel between the USB output interface and the USB chip and conduct the USB channel between the USB output interface and the main processor when the equipment host initiates a password input request; and the password encryption module is also used for acquiring password data input by the touch display screen and calling the national password security chip to encrypt the password data into ciphertext data. The method meets security standards such as national security and the like, can effectively prevent password information from being stolen by methods such as screen recording, screen capturing and input coordinate acquisition, can be additionally installed on a self-service complete machine with any display size, and has the characteristics of safety, universality, intelligence and the like.
Description
Technical Field
The invention relates to the technical field of password security, in particular to a safe and universal screen password input device, method and terminal equipment.
Background
With the rapid development of science and technology finance, financial self-service equipment develops towards full screen, simplification and home furnishing, such as tea table type self-service equipment, full screen type navigation self-service equipment and the like.
In order to realize full screen of the financial self-service equipment, a traditional entity button type password keyboard is required to be cancelled, and a screen integrated password input function is adopted. At present, the known screen integrated password input function cannot meet the related national security standard, and the risk of stealing the user password by methods such as screen recording, screen capturing, input coordinate acquisition and the like of a system host exists.
Disclosure of Invention
The invention provides a safe and universal screen password input device, a safe and universal screen password input method and terminal equipment, and aims to solve the problem of risk of divulgence in the existing scheme of inputting passwords through a screen.
The first aspect provides a safe and universal screen password input device, which comprises a main processor, a digital signal processor, a national password safety chip, a USB chip and a USB change-over switch;
the digital signal processor, the state secret security chip, the USB chip and the USB switch are all connected with the main processor, and the USB chip is also connected with the USB switch; the USB switching device also comprises a USB input interface connected with the USB chip, a USB output interface connected with the USB switching switch, and a display signal input interface and a display signal output interface connected with the digital signal processor;
the digital signal processor is used for overlapping a code keyboard image on a display signal of the equipment host;
the main processor is used for controlling the USB selector switch to cut off a USB channel between the USB output interface and the USB chip and conduct the USB channel between the USB output interface and the main processor when the equipment host initiates a password input request; and the password encryption module is also used for acquiring password data input by the touch display screen and calling the national password security chip to encrypt the password data into ciphertext data.
When the equipment host initiates a password input request, the main processor cuts off a USB channel between the USB output interface and the USB chip by controlling the USB selector switch, and conducts the USB channel between the USB output interface and the main processor, so that the condition that the equipment host program monitors a touch operation coordinate can be avoided; the code keyboard image is overlapped on the display signal of the equipment host through the digital signal processor, the overlapped code keyboard image is only displayed at the front end, the screen recording and screen capturing operations performed by the equipment host can only obtain a display signal picture at the rear end, the overlapped code keyboard image cannot be obtained, and the condition that the equipment host obtains the code through screen recording and screen capturing is avoided.
The USB chip comprises a main processor, a digital signal processor, a national password security chip, a USB chip and a USB switch, wherein the main processor, the digital signal processor, the national password security chip, the USB chip and the USB switch are all arranged in the shell.
The cipher monitoring device is wrapped by arranging the shell to form a closed space, so that the cipher key data is prevented from being stolen and the cipher monitoring device is prevented from being additionally arranged.
Furthermore, the anti-disassembly safety chip also comprises an anti-disassembly contact connected with the national secret safety chip, and the anti-disassembly contact is contacted with the shell; the state secret security chip is also used for preventing the detection of a dismantling contact, and when the state secret security chip detects that the shell is dismantled, the state secret security chip automatically empties the stored secret key to avoid the secret key from being revealed.
Further, the key sequence of the code keyboard image superposed by the digital signal processor is displayed in a random mode or a fixed disordered mode. By controlling the disorder effect, the aim of preventing the password from being cracked by methods such as peeping, guessing, trace detection and the like can be achieved.
Further, the main processor is connected with a control signal input end of the USB switch through an IO interface, and the main processor is connected with a USB interface end of the USB switch through a USB interface.
Furthermore, the brightness of the code keyboard image overlapped by the digital signal processor is 10-100 nit, and the contrast is 100-10: 1. By adjusting and controlling the brightness and the contrast of the password keyboard image, a user can only see the password within the range of 5-45 degrees of visual angle, and the purpose of preventing the password from being cracked by methods such as peeping, monitoring and the like can be achieved.
In a second aspect, a secure and universal screen password input method is provided, which uses the secure and universal screen password input device as described above, and includes the following steps:
when the main processor acquires a password input request initiated by the equipment host;
the main processor controls the USB selector switch to cut off the USB channel between the USB output interface and the USB chip and conduct the USB channel between the USB output interface and the main processor;
the main processor controls the digital signal processor to superpose a code keyboard image on the display signal of the equipment host and output the code keyboard image to the touch display screen;
the main processor acquires touch coordinates input by a user, converts the touch coordinates into password data, calls a password security chip to encrypt the password data into ciphertext data, and finally transmits the ciphertext data to the equipment host.
Further, when the digital signal processor superposes the password keyboard image on the display signal of the equipment host, the brightness of the superposed password keyboard image is controlled to be 10-100 nit, and the contrast is controlled to be 100-10: 1.
In a third aspect, a terminal device is provided, which includes a device host, a touch display screen, and the above-mentioned secure and general screen password input apparatus;
the USB input interface is connected with the equipment host, and the USB output interface is connected with the touch display screen;
the display signal input interface is connected with the equipment host, and the display signal output interface is connected with the touch display screen.
Compared with the prior art, the safe and universal screen password input device, method and terminal equipment provided by the invention have the following advantages:
(1) the main processor cuts off the USB channel between the USB output interface and the USB chip by controlling the USB selector switch, and conducts the USB channel between the USB output interface and the main processor, thereby avoiding the monitoring of touch operation coordinates by a device host program.
(2) The code keyboard image is overlapped on the display signal of the equipment host through the digital signal processor, the overlapped code keyboard image is only displayed at the front end, the screen recording and screen capturing operations performed by the equipment host can only obtain a display signal picture at the rear end, the overlapped code keyboard image cannot be obtained, and the condition that the equipment host obtains the code through screen recording and screen capturing is avoided.
(3) The system meets the security standards of national security and the like, can be applied to the self-service complete machine with any display size on the market, solves the problem that the authentication of national security, PCI, Unionpay and the like needs to be repeatedly carried out on different complete machines with different sizes, and greatly reduces the technical application cost; the method has the characteristics of safety, universality, intelligence and the like.
(4) Support intelligent supplementary security function such as out of order, electron peep-proof, the risk that can greatly reduced user's password reveals.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a secure universal screen password input device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a terminal device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Example 1
As shown in fig. 1, the present embodiment provides a secure universal screen password input device 1, which includes a main processor 11, a digital signal processor 12, a national password security chip 13, a USB chip 14, and a USB switch 15;
the digital signal processor 12, the cryptographic security chip 13, the USB chip 14, and the USB switch 15 are all connected to the main processor 11, and the USB chip 14 is also connected to the USB switch 15; the device also comprises a USB input interface connected with the USB chip 14, a USB output interface connected with the USB selector switch 15, and a display signal input interface and a display signal output interface connected with the digital signal processor 12;
the digital signal processor 12 is used for overlaying a code keyboard image on the device host display signal;
the main processor 11 is configured to control the USB switch 15 to cut off a USB channel between the USB output interface and the USB chip 14 and to connect the USB channel between the USB output interface and the main processor 11 when the device host 3 initiates a password input request; and the password encryption module is also used for acquiring password data input by the touch display screen 2 and calling the national password security chip 13 to encrypt the password data into ciphertext data.
When the device host 3 initiates a password input request, the main processor 11 cuts off the USB channel between the USB output interface and the USB chip 14 by controlling the USB switch 15, and conducts the USB channel between the USB output interface and the main processor 11, so that the device host program can be prevented from monitoring the touch operation coordinate; the code keyboard image is overlapped on the display signal of the equipment host through the digital signal processor 12, the overlapped code keyboard image is only displayed at the front end, the screen recording and screen capturing operations performed by the equipment host 3 can only obtain a display signal picture at the rear end, the overlapped code keyboard image cannot be obtained, and the condition that the equipment host 3 obtains a code through screen recording and screen capturing is avoided.
Preferably, the device further comprises a housing (not shown), and the main processor 11, the digital signal processor 12, the cryptographic security chip 13, the USB chip 14, and the USB switch 15 are all disposed in the housing. The cipher monitoring device is wrapped by arranging the shell to form a closed space, so that the cipher key data is prevented from being stolen and the cipher monitoring device is prevented from being additionally arranged.
Furthermore, a tamper contact 16 connected with the secret security chip 13 is further included, and the tamper contact 16 is in contact with the shell; the national security chip 13 is also used for anti-dismantling contact detection, and when the situation that the shell is dismantled is detected, the national security chip 13 automatically empties the stored secret key to avoid secret key leakage.
In this embodiment, the key sequence of the code keypad image superimposed by the dsp 12 is displayed in a random manner or a fixed out-of-order manner. By controlling the disorder effect, the aim of preventing the password from being cracked by methods such as peeping, guessing, trace detection and the like can be achieved.
Preferably, the brightness of the code keypad image superposed by the digital signal processor 12 is 10-100 nit, and the contrast is 100-10: 1. By adjusting and controlling the brightness and the contrast of the password keyboard image, a user can only see the password within the range of 5-45 degrees of visual angle, and the purpose of preventing the password from being cracked by methods such as peeping, monitoring and the like can be achieved. In this embodiment, the brightness of the keyboard image can be selected to be adjusted to 30nit, and the contrast ratio can be adjusted to 50: 1.
In specific implementation, the main processor 11 is connected to a control signal input end of the USB switch 15 through an IO interface to control the USB switch 15; the main processor 11 is connected with the USB interface end of the USB switch 15 through a USB interface. The main processor 11 is a single chip microcomputer, the digital signal processor 12 can be a DSP chip or an FPGA, the USB chip 14 can be a Texas instrument TS3USB221 and is used for expanding USB input signals into 2 paths of USB signals (1 path is connected to a USB interface of the main processor, and 1 path is connected to a USB output interface), the USB change-over switch 15 can be a Saint Pamp micro-electricity SGM7227USB, and the Guo security chip 13 can be a Hangzhou Cheng yuan SSX1528 security chip, a Beijing Hua Daxin Ann SSX1412 security chip and the like and is used for key storage, password encryption, password decryption and anti-tamper contact detection. The processor 11, the digital signal processor 12, the national security chip 13, the USB chip 14, the USB switch 15 and the anti-dismantling contact are all integrated on a mainboard, and the mainboard is packaged in a shell; the touch display screen is composed of a touch screen and a display screen, and the USB output interface is connected with the touch screen.
The screen password input device has the following working principle:
1. as shown in fig. 1: the screen password input device 1 is connected with a USB interface of the equipment host 3 through a USB input interface and is connected with a USB interface of the touch screen through a USB output interface, the display signal input interface is connected with a display signal interface of the equipment host 3, and the display signal output interface is connected with a display signal interface of the display screen 2.
2. Password input mode: the equipment host 3 initiates a password input request through a USB, the screen password input device 1 takes over the input of the touch screen after receiving the password input request, the main processor 11 controls the USB selector switch 15 to switch the USB channel of the touch screen to be disconnected with the equipment host 3 and then to be communicated with the main processor 11, so that the touch operation coordinate monitoring of the program of the equipment host is avoided, and the screen password input device 1 overlaps a password keyboard image on a display signal of the equipment host 3. When a user touches the image area of the password keyboard on the screen, the main processor 11 obtains the touch coordinates and converts the touch coordinates into password data, and the password data is encrypted into ciphertext data by calling the password security chip 13 and finally transmitted to the device host 3 through the USB channel.
3. The password key disordering function: the screen password input device 1 controls the order of the keys of the password keyboard, supports the effect of controlling the disorder in various ways such as random way, fixed disorder pattern numbering and the like, and achieves the function of preventing the password from being cracked by methods such as peeping, guessing, trace detection and the like.
4. Password button peep-proof function: the screen password input device 1 is used for controlling the characteristics of the brightness and the contrast of the key image of the password keyboard, for example, the brightness of the keyboard image is adjusted to 10-100 nit, the contrast is adjusted to 100-10: 1, so that a user can only see the keyboard image within a 5-45-degree visual angle range, and the function of preventing the password from being cracked by methods such as peeping, monitoring and the like is achieved.
5. Non-password input mode: the display screen and the touch screen are controlled by the equipment host 3 to carry out normal display and touch interaction.
6. Key infusion and tamper-evident: the device host 3 initiates a key filling command to the screen password input apparatus 1 through the USB, and the screen password input apparatus 1 fills the key into the national password security chip 13. The anti-dismantling contact 16 of the screen password input device 1 is connected with an anti-dismantling detection pin of the national password security chip 13, so that the key in the national password security chip 13 can be automatically emptied after the screen password input device 1 is dismantled.
Example 2
The embodiment provides a safe and universal screen password input method, which adopts the safe and universal screen password input device, and comprises the following steps:
when the main processor acquires a password input request initiated by the equipment host;
the main processor controls the USB selector switch to cut off the USB channel between the USB output interface and the USB chip and conduct the USB channel between the USB output interface and the main processor;
the main processor controls the digital signal processor to superpose a code keyboard image on the display signal of the equipment host and output the code keyboard image to the touch display screen;
the main processor acquires touch coordinates input by a user, converts the touch coordinates into password data, calls a password security chip to encrypt the password data into ciphertext data, and finally transmits the ciphertext data to the equipment host.
Preferably, when the digital signal processor superimposes the password keyboard image on the display signal of the equipment host, the brightness of the superimposed password keyboard image is controlled to be 10-100 nit, and the contrast is controlled to be 100-10: 1.
Example 3
As shown in fig. 2, the present embodiment provides a terminal device, which includes a device host 3, a touch display screen 2, and the above-mentioned general secure screen password input apparatus 1;
the USB input interface is connected with the equipment host 3, and the USB output interface is connected with the touch display screen 2;
the display signal input interface is connected with the equipment host 3, and the display signal output interface is connected with the touch display screen 2. In this embodiment, the touch display screen 2 includes a display screen and a touch screen.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (9)
1. A safe and universal screen password input device is characterized by comprising a main processor, a digital signal processor, a national password safety chip, a USB chip and a USB change-over switch;
the digital signal processor, the state secret security chip, the USB chip and the USB switch are all connected with the main processor, and the USB chip is also connected with the USB switch; the USB switching device also comprises a USB input interface connected with the USB chip, a USB output interface connected with the USB switching switch, and a display signal input interface and a display signal output interface connected with the digital signal processor;
the digital signal processor is used for overlapping a code keyboard image on a display signal of the equipment host;
the main processor is used for controlling the USB selector switch to cut off a USB channel between the USB output interface and the USB chip and conduct the USB channel between the USB output interface and the main processor when the equipment host initiates a password input request; and the password encryption module is also used for acquiring password data input by the touch display screen and calling the national password security chip to encrypt the password data into ciphertext data.
2. The secure universal screen password input device of claim 1, further comprising a housing, wherein the main processor, the digital signal processor, the national password security chip, the USB chip, and the USB switch are disposed in the housing.
3. The secure universal screen password input apparatus according to claim 2, further comprising a tamper contact connected to the national security chip, the tamper contact being in contact with the housing;
the national secret security chip is also used for anti-dismantling contact detection, and when the situation that the shell is dismantled is detected, the national secret security chip automatically empties keys stored in the national secret security chip.
4. A secure universal screen password input apparatus as recited in claim 1, wherein the order of the keys of the password keypad image superimposed by the digital signal processor is displayed in a random manner or a fixed out-of-order manner.
5. The secure universal screen password input device according to claim 1, wherein the main processor is connected to the control signal input terminal of the USB switch through an IO interface, and the main processor is connected to the USB interface terminal of the USB switch through a USB interface.
6. A secure universal screen password input device according to any one of claims 1 to 5, wherein the digital signal processor superimposes the password keyboard image with a brightness of 10 to 100nit and a contrast of 100 to 10: 1.
7. A secure universal screen password input method, which employs the secure universal screen password input apparatus of any one of claims 1 to 6, comprising the steps of:
when the main processor acquires a password input request initiated by the equipment host;
the main processor controls the USB selector switch to cut off the USB channel between the USB output interface and the USB chip and conduct the USB channel between the USB output interface and the main processor;
the main processor controls the digital signal processor to superpose a code keyboard image on the display signal of the equipment host and output the code keyboard image to the touch display screen;
the main processor acquires touch coordinates input by a user, converts the touch coordinates into password data, calls a password security chip to encrypt the password data into ciphertext data, and finally transmits the ciphertext data to the equipment host.
8. The secure universal screen password input method of claim 1, wherein when the digital signal processor superimposes the password keyboard image on the device host display signal, the brightness of the superimposed password keyboard image is controlled to be 10-100 nit, and the contrast is controlled to be 100-10: 1.
9. A terminal device, comprising a device host, a touch display screen and the safe and universal screen password input device according to any one of claims 1 to 6;
the USB input interface is connected with the equipment host, and the USB output interface is connected with the touch display screen;
the display signal input interface is connected with the equipment host, and the display signal output interface is connected with the touch display screen.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110348322.5A CN113158265A (en) | 2021-03-31 | 2021-03-31 | Safe and universal screen password input device and method and terminal equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110348322.5A CN113158265A (en) | 2021-03-31 | 2021-03-31 | Safe and universal screen password input device and method and terminal equipment |
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| CN113158265A true CN113158265A (en) | 2021-07-23 |
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| CN202110348322.5A Pending CN113158265A (en) | 2021-03-31 | 2021-03-31 | Safe and universal screen password input device and method and terminal equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116204938A (en) * | 2023-04-28 | 2023-06-02 | 长城信息股份有限公司 | Under-screen password keyboard, RFID card reading device, data input method and terminal |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813992A (en) * | 2010-05-07 | 2010-08-25 | 深圳视融达科技有限公司 | Touch screen and password-inputting method thereof |
| CN103824033A (en) * | 2014-01-02 | 2014-05-28 | 南京永泰电子有限公司 | Touch display device for safely inputting password information and password input method |
| CN205334484U (en) * | 2015-11-18 | 2016-06-22 | 北京微智全景信息技术有限公司 | Password safety input device based on touch -sensitive screen |
| CN107358094A (en) * | 2017-07-10 | 2017-11-17 | 广东天波信息技术股份有限公司 | The password input system and method for smart machine |
| CN107563230A (en) * | 2017-07-18 | 2018-01-09 | 北京超雷科技中心（有限合伙） | A kind of cipher input |
-
2021
- 2021-03-31 CN CN202110348322.5A patent/CN113158265A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813992A (en) * | 2010-05-07 | 2010-08-25 | 深圳视融达科技有限公司 | Touch screen and password-inputting method thereof |
| CN103824033A (en) * | 2014-01-02 | 2014-05-28 | 南京永泰电子有限公司 | Touch display device for safely inputting password information and password input method |
| CN205334484U (en) * | 2015-11-18 | 2016-06-22 | 北京微智全景信息技术有限公司 | Password safety input device based on touch -sensitive screen |
| CN107358094A (en) * | 2017-07-10 | 2017-11-17 | 广东天波信息技术股份有限公司 | The password input system and method for smart machine |
| CN107563230A (en) * | 2017-07-18 | 2018-01-09 | 北京超雷科技中心（有限合伙） | A kind of cipher input |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116204938A (en) * | 2023-04-28 | 2023-06-02 | 长城信息股份有限公司 | Under-screen password keyboard, RFID card reading device, data input method and terminal |
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