CN112541192A - Safe password input method based on fingerprint protection certificate vault - Google Patents
Safe password input method based on fingerprint protection certificate vault Download PDFInfo
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- CN112541192A CN112541192A CN202011429637.4A CN202011429637A CN112541192A CN 112541192 A CN112541192 A CN 112541192A CN 202011429637 A CN202011429637 A CN 202011429637A CN 112541192 A CN112541192 A CN 112541192A
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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
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
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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
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
-
- 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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
- G06N20/00—Machine learning
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/22—Image preprocessing by selection of a specific region containing or referencing a pattern; Locating or processing of specific regions to guide the detection or recognition
Abstract
The invention relates to a security password input method based on a fingerprint protection certificate vault, which is characterized in that a certificate vault and a certificate vault control module are introduced into a mobile terminal, a user can configure a user certificate in the certificate vault in advance, when a password input context is detected in the conventional input process, the user is prompted to select a password in the certificate vault, fingerprint identity authentication is required for accessing the content of the user certificate, once the authentication is passed, the selected password is sent to a target application program in an implicit mode, and meanwhile, the user can still select to input the password through a conventional input method. The method introduces a mechanism for the mobile device user to safely input the password from the fingerprint protection credential vault, the user can automatically and safely transmit the stored credential to the target application program through fingerprint verification in a seamless and implicit mode, the user can use a uniform method to input the password in any application program, and meanwhile, the risk of password leakage is greatly reduced compared with the risk of ordinary password input.
Description
Technical Field
The invention relates to the technical field of mobile terminals, in particular to a security password input method for protecting a certificate vault based on fingerprint identification, which enables a mobile device user to safely complete password input through the certificate vault protected by a fingerprint.
Background
Today, smartphones and other mobile devices have become an important part of everyday work and life. People use a variety of applications on mobile devices, many of which require user credentials for authentication. Imagine you do a presentation with the surrounding people, everyone staring at your cell phone screen and you need to log in to a website or an application. What you do-let others turn around, or hide the screen before your input is complete, which is an embarrassing situation. More seriously, your password may be snooped by a malicious person, resulting in unexpected losses. In many other cases, you do not want someone else to see the password you enter, especially in public places. Some applications and platforms provide an embedded mechanism to save and automatically populate credentials for a user in an implicit manner, which helps to reduce the risk of a password being snooped to some extent. However, each of these mechanisms has limitations such as lack of generality (not being used by all applications), lack of credential level protection, lack of flexibility for users to control credential usage, inability to integrate well with conventional input processes, and the like.
Disclosure of Invention
The present invention is directed to a mechanism for a mobile device user to securely enter a password from a fingerprint protection credential vault: the user's explicit password input process is separated from the process of actually typing the password in the application or web page, the user can automatically and securely transfer the saved credentials to the target application through fingerprint checking in a seamless and implicit manner, and the user can input the password in any application using a unified method without worrying about password leakage.
In order to achieve the above object, the technical solution adopted by the present invention is a security password input method based on a fingerprint protection credential vault, wherein a credential vault and a credential vault control module are introduced into a mobile terminal, the credential vault is used for a user to pre-store user credentials of various application programs and websites, the user credentials comprise a plurality of credential entries, the credential vault control module is used for controlling configuration and access of the credential vault, the user starts a mobile application program, when clicking in a login window, a process of input text detection by an input method system service is triggered to analyze and judge whether an input focus is in the login window needing to input a password or not, and a judgment result is returned to the credential vault control module, for a password input request, the credential vault control module establishes an input connection with a target application program, the user selects a predefined credential entry from the credential vault, verifies whether the selected credential entry is legally accessed according to the user fingerprint identity, and after the selected credential entry is authenticated, the user can further select detailed information of the credential entry in the credential vault; when the fingerprint identity authentication fails or the user chooses to cancel password input and passes through the credential vault, the input method system service starts and binds the input method editor to the target application program, so that the input method editor establishes connection with the target application program and sends the user input to the target application program, and finally the target application program sends a response to the input method system service to end the input transaction.
As an improvement of the invention, the credential vault is a component that securely caches or stores credential related data, the credential vault control module is a component that controls configuration and access of the credential vault, the input method system service is an operating system component that controls use of input methods, and the Input Method Editor (IME) is a program that allows input of characters and symbols that are not on a keyboard.
As an improvement of the present invention, the credential entry includes but is not limited to a title, an account number, a password, a name of a target application, a target website, remark information, whether secure access is available, and the like (also referred to as a credential).
As an improvement of the invention, a security access rule is defined for the credential entry, the credential entry is associated with an authentication fingerprint, different credential entries may be associated with different fingerprints, and after activation, fingerprint authentication is required for accessing the credential entry.
As an improvement of the invention, a context detection module is introduced in the mobile terminal to identify the password input context, and when the password input interface is detected, a new option is displayed in the mobile terminal to let the user select the predefined credential from the credential vault.
As an improvement of the invention, the context detection module can adopt OCR character recognition or a machine learning model of the password input screen for recognizing the password input context.
As an improvement of the invention, when the user selects the voucher item, only the title list of the voucher item is displayed, and other vouchers except the title in the voucher item are not displayed on the screen.
As an improvement of the invention, an access verification module is introduced into the mobile terminal, when a user selects a certificate item with a specific title, the certificate vault control module can retrieve detailed information only by performing fingerprint identity verification on the selected certificate item, and particularly, the access verification module performs fingerprint identity verification operation.
As an improvement of the invention, an access manager is introduced in the mobile terminal, and after the access verification is passed, the access manager retrieves the detailed information of the selected certificate entry from the certificate vault.
As an improvement of the present invention, the secure password input method specifically includes the following steps:
step 1: a user starts a mobile application program, clicks in a login window and triggers a process of inputting a password through a keyboard;
step 2: the IME hook module intercepts the call of the IME and redirects the call request to the certificate vault control module;
and step 3: the certificate vault control module calls a context detection module to analyze whether an input focus is in a login window needing to input a password or not and returns a detection result to the certificate vault control module;
and 4, step 4: for the password input request, the voucher vault control module selects to establish input connection with the target application program;
and 5: the voucher vault control module displays a voucher selection menu for the user to select a predefined voucher entry;
step 6: the certificate vault control module calls an access verification module to verify the user fingerprint so as to ensure that the user has the access authority of the corresponding item;
and 7: for legal access, the certificate vault control module calls an access manager to retrieve the detailed information of the certificate entry from the certificate vault;
and 8: the certificate vault control module sends the password to a password input box of the target application program;
and step 9: the target application sends a response to the input method system service to end the input transaction;
if any of the steps 2-9 fails, the IME hook module receives a corresponding response and notifies the input method system service to continue according to the normal input method flow.
Compared with the prior art, the invention introduces the certificate vault and the certificate vault control module into the mobile terminal, the user can configure the user certificate in the certificate vault in advance, when the password input context is detected in the conventional input process, the user is prompted to select the password in the certificate vault, the user certificate content is accessed to require fingerprint identity authentication, once the authentication is passed, the selected password is sent to the target application program in an implicit mode, and meanwhile, the user can still select to input the password through the conventional input method. The invention introduces a mechanism for the mobile device user to safely input the password from the fingerprint protection credential vault, the user can automatically and safely transmit the stored credential to the target application program through fingerprint verification in a seamless and implicit mode, the user can automatically and safely transmit the stored credential to the target application program through fingerprint check in a seamless and implicit mode, the user can input the password in any application program by using a uniform method, and meanwhile, the risk of password leakage is greatly reduced compared with the risk of ordinary password input.
Drawings
FIG. 1 is a schematic diagram illustrating a conventional input method of a login password of an application program in a conventional mobile device;
FIG. 2 is an exemplary entry of a user account for an application or website in a mobile device;
FIG. 3 is a block diagram of the working process of the security password input method proposed by the present invention;
fig. 4 is a flowchart illustrating a security password input method according to the present invention.
Detailed Description
For a better understanding and appreciation of the invention, it is further described and illustrated below in connection with the accompanying drawings.
As shown in fig. 1, a conventional input method for a login password of an application program in a mobile device specifically includes the following steps:
step 1: the application requests an input method.
Step 2: the input method system service starts and binds the input method to the application program.
And step 3: the input method establishes a connection with the application and sends the user input to the application.
A voucher vault and a voucher vault control module are introduced into a mobile terminal, the voucher vault is used for storing user vouchers of various application programs and websites in advance by a user, the user vouchers comprise a plurality of voucher entries, and the user can add the voucher entries in a safe and concealed place. FIG. 2 shows a typical entry for a user account for an application or website. The credential vault control module is used to control configuration and access of the credential vault.
As shown in fig. 3, an embodiment of the present invention shows a security password input method based on a fingerprint protection credential vault, where a user starts a mobile application program, and when clicking in a login window, triggers a process of detecting an input text by an input method system service to analyze and judge whether an input focus is in the login window where a password needs to be input, and returns a judgment result to a credential vault control module, the credential vault control module establishes an input connection with a target application program for a password input request, the user selects a predefined credential entry from the credential vault, verifies whether the selected credential entry is a legal access according to a user fingerprint identity, after passing authentication, the user can further select detailed information of the credential entry in the credential vault, and the credential vault control module sends the password to a target text box of the target application program, the target application program sends a response to the input method system service to end the input transaction; when the fingerprint identity authentication fails or the user chooses to cancel password input and passes through the credential vault, the input method system service starts and binds the IME to the target application program, so that the IME establishes connection with the target application program and sends the user input to the target application program, and finally the target application program sends a response to the input method system service to end the input transaction.
The present invention introduces a generic mechanism to securely and seamlessly interface user-defined credentials to mobile applications that require credentials to log in. The risk of password leakage of the mobile equipment user can be greatly reduced.
The credential vault is a component that securely caches or stores credential-related data, the credential vault control module is a component that controls configuration and access of the credential vault, the input method system service is an operating system component that controls use of input methods, and the IME is a program that allows input of characters and symbols that are not on a keyboard.
The credential entry includes, but is not limited to, a title, an account number, a password, a target application name, a target website, remark information, whether secure access is available, and the like. Credentials are securely and seamlessly docked to the target application even though the user no longer needs to worry about password leaks in public places.
Defining a security access rule for the credential entry, associating the credential entry with an authentication fingerprint, different credential entries being associable with different fingerprints, after activation, the access credential entry requiring fingerprint authentication.
A context detection module is introduced into the mobile terminal to identify the password input context, and when the password input interface is detected, a new option is displayed in the mobile terminal, so that a user can select a predefined credential from a credential vault instead of calling a common IME for input operation.
To make the recognition mechanism more versatile, the context detection module may employ OCR text recognition or a machine learning model of the password entry screen for recognition of the password entry context. A typical login window contains characteristic words such as "username", "password", "account", "login", etc., so that OCR and custom rules based design a suitable algorithm can be used to help detect the password entry context. The identification mechanism can be extended to any software product which runs on a device with a fingerprint device and inputs by an input method.
When the user selects the credential entry, only the title list of the credential entry is displayed, and other credentials except the title in the credential entry are not displayed on the screen.
The method comprises the steps that an access verification module is introduced into a mobile terminal, after a user selects a certificate item with a specific title, a certificate vault control module can retrieve detailed information only by performing fingerprint identity verification on the selected certificate item, and specifically, the access verification module performs fingerprint identity verification operation. And after the authentication is passed, the user side can further select the certificate content related to the certificate entry, and the selected field (such as a password) is filled in a target text box of the target application program.
An access manager is introduced in the mobile terminal, and after the access verification is passed, the access manager retrieves the detailed information of the selected credential entry from the credential vault.
As shown in fig. 4, the secure password input method specifically includes the following steps:
step 1: a user starts a mobile application program, clicks in a login window and triggers a process of inputting a password through a keyboard;
step 2: the IME hook module intercepts the call of the IME and redirects the call request to the certificate vault control module;
and step 3: the certificate vault control module calls a context detection module to analyze whether an input focus is in a login window needing to input a password or not and returns a detection result to the certificate vault control module;
and 4, step 4: for the password input request, the voucher vault control module selects to establish input connection with the target application program;
and 5: the voucher vault control module displays a voucher selection menu for the user to select a predefined voucher entry;
step 6: the certificate vault control module calls an access verification module to verify the user fingerprint so as to ensure that the user has the access authority of the corresponding item;
and 7: for legal access, the certificate vault control module calls an access manager to retrieve the detailed information of the certificate entry from the certificate vault;
and 8: the certificate vault control module sends the password to a password input box of the target application program;
and step 9: the target application sends a response to the input method system service to end the input transaction;
if any of the steps 2-9 fails, the IME hook module receives a corresponding response and notifies the input method system service to continue according to the normal input method flow. (as shown in steps 10-11 of FIG. 4).
Compared with a Windows password manager and password management programs (such as Chrome and IE) of various browsers, the invention has the following advantages that:
(1) a unified approach is provided that is applicable to various types of applications.
(2) The explicit password input link is separated from the actual use process of the password, so that the risk of password leakage is reduced.
(3) The password retrieval process is seamlessly integrated into the general process of password entry in a secure manner.
(4) More flexible credential management and usage modes are provided for mobile device users, various convenient logins can be realized without storing passwords in various application programs, and meanwhile, another level of security control is added.
The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.
Claims (10)
1. A security password input method based on a fingerprint protection certificate vault is characterized in that: the method comprises the steps of introducing a certificate vault and a certificate vault control module into a mobile terminal, wherein the certificate vault is used for storing user certificates of various application programs and websites in advance by a user, the user certificate comprises a plurality of certificate entries, the certificate vault control module is used for controlling configuration and access of the certificate vault, the user starts the mobile application program, when clicking in a login window, a process of detecting an input text by an input method system service is triggered to analyze and judge whether an input focus is in the login window needing to input a password or not, the judgment result is returned to the certificate vault control module, for a password input request, the certificate vault control module establishes input connection with a target application program, the user selects a predefined certificate entry from the certificate vault and verifies whether the selected certificate entry is legal access or not according to the user fingerprint identity, after the authentication is passed, the user can further select the detailed information of the certificate entry in the certificate vault, the certificate vault control module sends the password to a target text box of the target application program, and the target application program sends a response to the input method system service to end the input transaction; when the fingerprint identity authentication fails or the user chooses to cancel password input and passes through the credential vault, the input method system service starts and binds the input method editor to the target application program, so that the input method editor establishes connection with the target application program and sends the user input to the target application program, and finally the target application program sends a response to the input method system service to end the input transaction.
2. The method of claim 1, wherein the credential vault is a component for securely caching or storing credential related data, the credential vault control module is a component for controlling configuration and access of the credential vault, the input method system service is a component for controlling an operating system using an input method, and the input method editor is a program for allowing input of characters and symbols not on a keyboard.
3. The method as claimed in claim 2, wherein the credential entry includes but is not limited to title, account number, password, name of target application, target website, remark information, and whether it is the credential content for secure access.
4. A method as claimed in claim 3, wherein a security access rule is defined for the credential entry, the credential entry is associated with an authentication fingerprint, different credential entries may be associated with different fingerprints, and after activation, fingerprint authentication is required to access the credential entry.
5. The method as claimed in claim 4, wherein a context detection module is introduced in the mobile terminal to identify the password entry context, and when the password entry interface is detected, a new option is displayed in the mobile terminal to let the user select the predefined credential from the credential vault.
6. The secure password input method based on the fingerprint protection certificate vault as claimed in claim 5, wherein the context detection module can use OCR character recognition or machine learning model of password input screen to realize the recognition of the password input context.
7. The method of claim 6, wherein when the user selects the credential item, only a title list of the credential item is displayed, and other credentials except the title in the credential item are not displayed on the screen.
8. The security password input method based on the fingerprint protection certificate vault as claimed in claim 7, characterized in that an access authentication module is introduced in the mobile terminal, when the user selects the certificate item with a specific title, the certificate vault control module needs to perform fingerprint authentication on the selected certificate item to retrieve the detailed information, and specifically, the access authentication module performs the operation of fingerprint authentication.
9. The security password input method of claim 8, wherein an access manager is introduced in the mobile terminal, and after the access authentication is passed, the access manager retrieves the detailed information of the selected credential entry from the credential vault.
10. The method for inputting the security password based on the fingerprint protection certificate vault as claimed in claim 9, wherein the method for inputting the security password specifically comprises the following steps:
step 1: a user starts a mobile application program, clicks in a login window and triggers a process of inputting a password through a keyboard;
step 2: the IME hook module intercepts the call of the IME and redirects the call request to the certificate vault control module;
and step 3: the certificate vault control module calls a context detection module to analyze whether an input focus is in a login window needing to input a password or not and returns a detection result to the certificate vault control module;
and 4, step 4: for the password input request, the voucher vault control module selects to establish input connection with the target application program;
and 5: the voucher vault control module displays a voucher selection menu for the user to select a predefined voucher entry;
step 6: the certificate vault control module calls an access verification module to verify the user fingerprint so as to ensure that the user has the access authority of the corresponding item;
and 7: for legal access, the certificate vault control module calls an access manager to retrieve the detailed information of the certificate entry from the certificate vault;
and 8: the certificate vault control module sends the password to a password input box of the target application program;
and step 9: the target application sends a response to the input method system service to end the input transaction;
if any of the steps 2-9 fails, the IME hook module receives a corresponding response and notifies the input method system service to continue according to the normal input method flow.
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Cited By (1)
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| WO2023060470A1 (en) * | 2021-10-13 | 2023-04-20 | Citrix Systems, Inc. | Prevention of inadvertent password disclosure |
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