CN112307518A - Signature information processing method, signature information display method, signature information processing device, signature information display device, electronic equipment and storage medium - Google Patents

Signature information processing method, signature information display method, signature information processing device, signature information display device, electronic equipment and storage medium Download PDF

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CN112307518A
CN112307518A CN202011111805.5A CN202011111805A CN112307518A CN 112307518 A CN112307518 A CN 112307518A CN 202011111805 A CN202011111805 A CN 202011111805A CN 112307518 A CN112307518 A CN 112307518A
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signed
information
sub
identifier
terminal
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CN112307518B (en
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李登峰
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Shenzhou Rongan Technology Beijing Co ltd
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Shenzhou Rongan Technology Beijing Co ltd
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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
    • G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/38—Payment protocols; Details thereof
    • G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
    • G06Q20/3825—Use of electronic signatures

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  • Computer Security & Cryptography (AREA)
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Abstract

The application provides a signature information display method and device, electronic equipment and a computer storage medium, and relates to the technical field of information security. The method comprises the following steps: acquiring original information to be signed, carrying out pre-analysis on the original information to be signed, and generating information to be signed, wherein the information to be signed conforms to a transaction message format and comprises a first hash value of the information to be signed; the method comprises the steps that information to be signed is segmented to generate a plurality of pieces of sub information to be signed, and marks are added to the plurality of pieces of sub information to be signed respectively; and sending the sub information to be signed meeting the preset conditions to the terminal based on the identifier of the sub information to be signed so that the terminal displays the sub information to be signed. According to the method and the device, the information to be signed is segmented to generate the plurality of sub information to be signed, so that the information to be signed can be displayed by segments by the terminal, and signature authentication of large-magnitude information to be signed is completed.

Description

Signature information processing method, signature information display method, signature information processing device, signature information display device, electronic equipment and storage medium
Technical Field
The application relates to the technical field of information security, in particular to a signature information processing method, a signature information display method, a signature information processing device, an electronic device and a computer storage medium.
Background
Along with the development of the network, the potential safety hazard of the network is increasingly serious, hackers are rampant, personal information is seriously leaked, the problem of network safety is more and more emphasized, how to ensure the network information safety is the problem which must be solved when the internet is developed at a high speed, wherein the identity authentication is used as a first gateway for protecting network assets, and the identity authentication has the effect of playing a very important role.
In the prior art, a signature authentication device USBKEY is adopted to maintain transaction data, but a display storage area in the signature authentication device is generally limited, and large-magnitude transaction data cannot be completely displayed, so that signature authentication fails.
Disclosure of Invention
The application provides a method and a device for processing signature information, electronic equipment and a computer storage medium, which can solve the problem that the signature fails to be authenticated due to the fact that the information to be signed is too large and cannot be completely displayed on a terminal. The technical scheme is as follows:
in a first aspect, a method for processing signature information is provided, and is applied to a server side, and the method includes:
acquiring original information to be signed, carrying out pre-analysis on the original information to be signed, and generating information to be signed, wherein the information to be signed conforms to a transaction message format and comprises a first hash value of the information to be signed;
the method comprises the steps that information to be signed is segmented to generate a plurality of pieces of sub information to be signed, and marks are added to the plurality of pieces of sub information to be signed respectively;
and sending the sub information to be signed meeting the preset conditions to the terminal based on the identifier of the sub information to be signed, so that the terminal displays the sub information to be signed meeting the preset conditions.
In a second aspect, a method for displaying signature information is provided, which is applied to a terminal, and includes:
receiving sub information to be signed which meets a preset condition and is sent by a server, wherein the sub information to be signed which meets the preset condition comprises a first hash value corresponding to the sub information to be signed which meets the preset condition;
and calculating a second hash value of the sub information to be signed meeting the preset condition, and displaying the sub information to be signed meeting the preset condition under the condition that the first hash value is matched with the second hash value.
In a third aspect, an apparatus for signature information processing is provided, which is applied to a server side, and includes:
the pre-analysis module is used for acquiring original information to be signed, pre-analyzing the original information to be signed and generating information to be signed, wherein the information to be signed conforms to a transaction message format and comprises a first hash value of the information to be signed;
the adding module is used for carrying out segmentation processing on the information to be signed to generate a plurality of pieces of sub information to be signed and respectively adding identifiers for the plurality of pieces of sub information to be signed;
and the sending module is used for sending the sub information to be signed meeting the preset conditions to the terminal based on the identifier of the sub information to be signed so as to enable the terminal to display the sub information to be signed meeting the preset conditions.
In a fourth aspect, there is provided an apparatus for displaying signature information, which is applied to a terminal and includes:
the receiving module is used for receiving the sub information to be signed which meets the preset conditions and is sent by the server, wherein the sub information to be signed which meets the preset conditions comprises a first hash value corresponding to the sub information to be signed which meets the preset conditions;
and the display module is used for calculating a second hash value of the sub information to be signed meeting the preset condition, and displaying the sub information to be signed meeting the preset condition under the condition that the first hash value is matched with the second hash value.
In a fifth aspect, an electronic device is provided, which includes:
one or more processors;
a memory;
one or more application programs, wherein the one or more application programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs being configured for operations corresponding to the signature information processing method shown in the first aspect of the present application.
In a fourth aspect, a computer storage medium is provided, on which a computer program is stored, which when executed by a processor, implements the method of signature information processing shown in the first aspect of the present application.
The beneficial effect that technical scheme that this application provided brought is:
according to the method and the device, the original information to be signed is obtained, the original information to be signed is pre-analyzed, the information to be signed is generated, the information to be signed conforms to the format of a transaction message, and the accuracy of the original information to be signed is guaranteed; the information to be signed comprises a first hash value of the information to be signed, so that the uniqueness of the data to be signed can be ensured; the server divides the information to be signed to generate a plurality of pieces of sub information to be signed, so that the processing efficiency of the information to be signed can be improved, the information to be signed is added with an identifier, the sub information to be signed meeting the preset conditions is sent to the terminal, the terminal displays the sub information to be signed meeting the preset conditions, the terminal can display the sub information to be signed meeting the preset conditions in a segmented mode, signature authentication of large-magnitude information to be signed is completed, and the integrity of signature authentication of the information to be signed is guaranteed.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments of the present application will be briefly described below.
Fig. 1 is a schematic flowchart of a signature information processing method according to an embodiment of the present application;
fig. 2 is a schematic flowchart of a signature information display method according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a signature information processing apparatus according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a signature information display device according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present invention.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or wirelessly coupled. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.
To make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
The application provides a signature information processing method, a signature information display device, an electronic device and a computer storage medium, and aims to solve the above technical problems in the prior art.
The following describes the technical solutions of the present application and how to solve the above technical problems with specific embodiments. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments. Embodiments of the present application will be described below with reference to the accompanying drawings.
The embodiment of the present application provides a method for processing signature information, which is applied to a server side, and as shown in fig. 1, the method includes:
step S101: the method comprises the steps of obtaining original information to be signed, carrying out pre-analysis on the original information to be signed, generating the information to be signed, wherein the information to be signed conforms to a transaction message format, and the information to be signed comprises a first hash value of the information to be signed.
It is understood that the original information to be signed may be original transaction data obtained from the bank server, such as information of transaction type, account number, password, transaction amount, transaction time, transaction serial number, and the like.
Optionally, in order to ensure that the transaction data to be confirmed is not tampered and improve the signature efficiency of the terminal, format analysis may be performed on the original transaction data at the server in advance, optionally, the server may be an upper computer, the upper computer refers to a computer that can send an operation command, the computer that provides the service may also be called an upper computer, and the terminal may be signature authentication equipment.
The signature authentication equipment needs to communicate with an upper computer, and the signature authentication equipment and the upper computer interact in a command and response mode to cooperatively complete a transaction; specifically, the upper computer obtains the original transaction data and then performs pre-analysis on the original transaction data to obtain the data to be transacted, wherein when the upper computer performs pre-analysis on the original transaction data, the upper computer judges the message format of the plaintext of the original transaction data, and if the message format of the plaintext of the original transaction data is wrong, that is, the data to be transacted does not conform to the transaction message format, the upper computer can return error information to the bank server to enable the bank server to continue processing.
If the message format of the plaintext of the original transaction data is correct, the original transaction data is not tampered, and the original transaction data can be sent to a terminal such as signature authentication equipment for signature authentication of a user; the upper computer can also calculate a first hash value of the data to be traded and send the first hash value to the signature authentication equipment for subsequent verification.
It should be noted that, the original information to be signed may also be directly sent to the terminal, and the terminal performs pre-analysis on the original information to be signed, that is, the message format of the original information to be signed is determined, and meanwhile, the first hash value of the original information to be signed is calculated, and if the message format is wrong, an error is reported and a safe exit is performed, and if the message format is correct, the first hash value is cached for subsequent verification. It can be understood that the server, i.e., the upper computer, determines the message format and calculates the first hash value, so that the processing efficiency of the signature information can be improved.
Step S102: the method comprises the steps that information to be signed is segmented to generate a plurality of pieces of sub information to be signed, and marks are added to the plurality of pieces of sub information to be signed respectively;
step S103: and sending the sub information to be signed meeting the preset conditions to the terminal based on the identifier of the sub information to be signed, so that the terminal displays the sub information to be signed meeting the preset conditions.
It can be understood that when the terminal, such as the signature authentication device, displays the transaction data to be confirmed which satisfies the predetermined condition, since the buffer area in the signature authentication device is generally small, the transaction data to be confirmed, such as the personal transaction data, which has a small magnitude can be completely displayed; however, when transaction data to be confirmed with a large magnitude, such as transaction data of a company or a school, needs to be displayed, the transaction data may not be displayed completely, so that signature authentication cannot be performed on the transaction data with a large magnitude. Therefore, the transaction data to be confirmed can be divided, so that the sub-data of the transaction to be confirmed generated after division can be completely displayed on the signature authentication device.
It should be noted that, for the segmentation processing operation of the transaction data to be confirmed, the operation may be performed at the signature authentication device or at the upper computer, but in order that the signature authentication device can efficiently process the display condition, generally, the transaction data to be confirmed is segmented at the upper computer to generate a plurality of transaction sub-data to be confirmed, and an identifier is added to the plurality of transaction sub-data to be confirmed, where the identifier includes not only which transaction data to be confirmed belongs to the transaction sub-data, but also an identifier number used for belonging to the same transaction data to be confirmed.
After the identification of the transaction subdata to be confirmed is obtained, the host computer can send the transaction subdata to be confirmed meeting the preset conditions to the signature authentication device according to the identification of the transaction subdata to be confirmed, so that the signature authentication device can display the transaction subdata to be confirmed meeting the preset conditions, and then a user can perform signature authentication on the displayed transaction subdata to be confirmed meeting the preset conditions to complete the transaction.
Optionally, when the server sends the sub information to be signed meeting the predetermined condition to the terminal based on the identifier of the sub information to be signed, the sub information to be signed further includes a first hash value, and in the process of sending the first hash value of the sub information to be signed to the terminal, the server may encrypt the first hash value by using a private key of a preset asymmetric key, and then send the first hash value to the terminal in a ciphertext manner.
According to the method and the device, the original information to be signed is obtained, the original information to be signed is pre-analyzed, the information to be signed is generated, the information to be signed conforms to the format of a transaction message, and the accuracy of the original information to be signed is guaranteed; the information to be signed comprises a first hash value of the information to be signed for subsequent verification; the server divides the information to be signed to generate a plurality of pieces of sub information to be signed, so that the processing efficiency of the information to be signed can be improved, the identifier is added to the information to be signed, the sub information to be signed meeting the preset conditions is sent to the terminal, the terminal can display the sub information to be signed meeting the preset conditions in a segmented mode, signature authentication of large-magnitude information to be signed is completed, and the integrity of signature authentication of the information to be signed is guaranteed.
Optionally, based on the identifier of the sub information to be signed, sending the sub information to be signed meeting the predetermined condition to the terminal, so that the terminal displays the sub information to be signed meeting the predetermined condition, including:
the method comprises the steps of receiving a page turning instruction sent by a terminal, and sending first sub information to be signed corresponding to a first identifier to the terminal based on the first identifier included in the page turning instruction so that the terminal can display the first sub information to be signed.
It can be understood that, after the to-be-confirmed transaction sub-data sent by the upper computer to the signature authentication device is confirmed by the user, the page turning instruction sent by the terminal may be received, and specifically, the upper computer may send, based on a first identifier included in the page turning instruction, the first to-be-confirmed transaction sub-data corresponding to the first identifier to the signature authentication device for the user to continue to confirm.
And the upper computer sends the data in a segmented manner through the segmented request of the signature authentication device, so that large-magnitude transaction data to be confirmed can be displayed in the signature authentication device.
Optionally, based on the identifier of the sub information to be signed, sending the sub information to be signed meeting the predetermined condition to the terminal, so that the terminal displays the sub information to be signed meeting the predetermined condition, including:
acquiring a second identifier of a second sub-information to be signed currently displayed by the terminal;
and determining at least one third identifier with the number larger than that of the second identifier based on the number of the second identifier, and sending at least one third sub-information to be signed corresponding to the at least one third identifier to the terminal so as to enable the terminal to display the third sub-information to be signed.
It can be understood that when a user needs to turn pages and browse, the signature authentication device reports the identifier of the transaction subdata to be confirmed, which is required to be displayed and corresponds to the page-turning instruction, to the upper computer, and the upper computer sends the transaction subdata to be confirmed to the signature authentication device based on the identifier of the transaction subdata to be confirmed.
In order to reduce the workload of the signature authentication device and improve the working efficiency of the signature authentication device, this embodiment further provides an optimized scheme, in which the host computer can automatically send the transaction subdata to be confirmed, which needs to be displayed by the signature authentication device.
Specifically, the upper computer can actively acquire the identifier of the transaction subdata to be confirmed, which is currently displayed by the signature authentication device, and because the identifier contains the number information, at least one third identifier larger than the identifier number can be confirmed according to the identifier number of the currently displayed transaction subdata to be confirmed, and then the third transaction subdata to be confirmed, which corresponds to the third identifier, is sent to the signature authentication device.
The embodiment of the application provides a method for displaying signature information, which is applied to a terminal, and as shown in fig. 2, the method comprises the following steps:
step S201: and receiving the sub-information to be signed which meets the preset conditions and is sent by the server, wherein the sub-information to be signed which meets the preset conditions comprises a first hash value.
After receiving the sub-information to be signed which meets the preset conditions and is sent by the server, the terminal can send the sub-information to be signed which meets the preset conditions to the display storage area, and when the terminal, namely the signature authentication device, has the display requirement, the terminal displays the word information to be signed which is stored in the display storage area.
In one embodiment of the invention, the sub-information to be signed which meets the preset condition and is sent by the server is received, the sub-information to be signed which meets the preset condition accords with the format of the transaction message,
and analyzing the transaction message format of the signature sub-information meeting the preset conditions, and extracting displayable information of the to-be-signed sub-information meeting the preset conditions.
It can be understood that, after the terminal receives the sub-information to be signed which is sent by the server and meets the preset condition, the terminal can extract the displayable information in the sub-information to be signed by analyzing the transaction message format in the sub-information to be signed, then the displayable information is stored in the display storage area, and when the terminal, namely the signature authentication device, has the display requirement, the displayable information stored in the display storage area is displayed.
It can be understood that, when receiving the sub information to be signed, the terminal also receives the first hash value in the sub information to be signed. Specifically, the terminal may decrypt the sub-information to be signed to obtain a first hash value of the sub-information to be signed.
In an embodiment of the present invention, corresponding to the server sending the first hash value in an encrypted manner, the terminal may decrypt the ciphertext fragment in the sub-information to be signed using a preset public key to obtain the first hash value in the sub-information to be signed.
Optionally, the terminal may further store the decrypted first hash value in a specific hash buffer region for subsequent verification.
Optionally, the receiving sub-information to be signed sent by the server and meeting the predetermined condition includes:
sending a page turning instruction to a server so that the server obtains first sub-information to be signed corresponding to a first identifier based on the first identifier included in the page turning instruction;
and receiving the first sub-information to be signed sent by the server.
It can be understood that, after the transaction subdata to be confirmed displayed on the signature authentication device is confirmed by the user, the user has a demand for viewing the next transaction subdata to be confirmed, so that the user clicks a page turning button displayed on the signature authentication device, and then the signature authentication device sends a page turning instruction to the upper computer.
The page turning instruction comprises an identifier of next transaction subdata to be confirmed, which needs to be displayed, so that the upper computer can obtain first transaction subdata to be confirmed corresponding to the first identifier based on the first identifier included in the page turning instruction and send the first transaction subdata to the signature authentication device, and the signature authentication device can store the first transaction subdata to be confirmed to the display storage area and then display the first transaction subdata to be confirmed when the first transaction subdata to be confirmed corresponding to the page turning instruction is obtained.
Optionally, the receiving sub-information to be signed sent by the server and meeting the predetermined condition includes:
sending a second identifier of the currently displayed second sub information to be signed to the server, so that the server determines at least one third sub information to be signed corresponding to at least one third identifier with the number being greater than that of the second identifier based on the number of the second identifier;
and receiving at least one third sub-information to be signed sent by the server.
It can be understood that, in order to reduce the workload of the signature authentication device and improve the working efficiency of the signature authentication device, the currently displayed identifier of the second transaction subdata to be confirmed may be sent to the upper computer, because the identifier includes the number information, the upper computer may confirm at least one third identifier larger than the identifier number according to the currently displayed identifier number of the second transaction subdata to be confirmed, and then send the third transaction subdata to be confirmed corresponding to the third identifier to the signature authentication device, the signature authentication device obtains the third transaction subdata to be confirmed and stores the third transaction subdata in the display storage area, when the third transaction subdata to be confirmed needs to be displayed, the third transaction subdata to be confirmed may be directly obtained inside the signature authentication device early, and no obtaining request needs to be sent to the upper computer, thereby saving the display time.
Optionally, when the total memory size occupied by the sub information to be signed stored in the preset cache region exceeds a preset threshold, based on the number of the identifier of the sub information to be signed, the sub information to be signed which is sorted from small to large and is then sorted in the front is deleted in sequence.
It can be understood that, because the display storage area in the signature authentication device is limited, if the transaction sub-data to be continuously confirmed is stored in the display storage area, the subsequent transaction sub-data to be confirmed cannot be displayed, so that when the transaction sub-data to be confirmed stored in the display storage area reaches a certain threshold, for example, eighty percent of the memory of the display storage area is exceeded, a part of the transaction sub-data to be confirmed is deleted to maintain the service performance of the signature authentication device.
Optionally, a part of the transaction sub-data to be confirmed may be deleted according to the identification number of the transaction sub-data to be confirmed, specifically, the transaction sub-data to be confirmed stored in the display storage area may be sorted from small to large according to the identification number, and the transaction sub-data to be confirmed with a smaller identification number may be deleted.
It can be understood that the smaller the identification number is, the transaction sub-data to be confirmed corresponding to the identification number is confirmed by the user, so that the part of the data can be deleted, and the signature authentication device can display the transaction data to be confirmed in an unlimited length.
Step S202: and calculating a second hash value of the sub information to be signed meeting the preset condition, and displaying the sub information to be signed meeting the preset condition under the condition that the first hash value is matched with the second hash value.
It will be appreciated that in order to ensure the security of the transaction data, the transaction data may also be verified at the signature verification device to ensure that the accurate transaction data is displayed to the user. Specifically, the signature authentication device can calculate a second hash value of the transaction sub-data to be confirmed after receiving the transaction sub-data to be confirmed, which is sent by the upper computer, and after calculating the second hash value of the transaction sub-data, the signature authentication device can decrypt the second hash value and match the first hash value stored in the hash cache area with the terminal.
In an embodiment of the present invention, when the first hash value matches the second hash value, the signature authentication device may further display displayable information stored in the display storage area for the user to confirm, and the user may perform a signature operation, thereby achieving an effect of "what you see is what you sign".
Optionally, because of the equal probability of the hash value, in order to improve the checking efficiency of the signature authentication device, before calculating the second hash value of the transaction sub-data to be confirmed, the transaction sub-data to be confirmed may be further compressed, then the second hash value of the compressed data is calculated, the hash value of the compressed data is matched with the first hash value, the signature sub-data to be confirmed that is successfully matched is displayed for the user to confirm, and the user may perform a signature operation, so as to achieve "what you see is what you sign".
According to the method and the device, the received sub-information to be signed meeting the preset conditions is stored in the display cache region, the service performance of the sub-information to be signed displayed by the terminal is guaranteed, the second Hash value of the sub-information to be signed is calculated, and the sub-information to be signed is displayed under the condition that the calculated second Hash value is matched with the decrypted first Hash value, so that what you see is what you sign is achieved, and the reliability and uniqueness of the sub-information to be signed are guaranteed.
The embodiment of the present application provides a signature information processing apparatus, which is applied to a server side, and as shown in fig. 3, the signature information processing apparatus 30 may include: a pre-parsing module 301, an adding module 302, and a sending module 303, wherein,
the pre-analysis module 301 is configured to obtain original information to be signed, pre-analyze the original information to be signed, and generate information to be signed, where the information to be signed conforms to a transaction packet format, and the information to be signed includes a first hash value of the information to be signed.
It is understood that the original information to be signed may be original transaction data obtained from the bank server, such as information of transaction type, account number, password, transaction amount, transaction time, transaction serial number, and the like.
Optionally, in order to ensure that the transaction data to be confirmed is not tampered and improve the signature efficiency of the terminal, format analysis may be performed on the original transaction data at the server in advance, optionally, the server may be an upper computer, the upper computer refers to a computer that can send an operation command, the computer that provides the service may also be called an upper computer, and the terminal may be signature authentication equipment.
The signature authentication equipment needs to communicate with an upper computer, and the signature authentication equipment and the upper computer interact in a command and response mode to cooperatively complete a transaction; specifically, the upper computer obtains the original transaction data and then pre-analyzes the original transaction data to obtain the data to be transacted, wherein when the upper computer pre-analyzes the original transaction data, the upper computer judges the message format of the plaintext of the original transaction data, and if the message format of the plaintext of the original transaction data is wrong, that is, the data to be transacted does not conform to the transaction message format, the upper computer can return error information to the bank server so that the bank server continues to process the data.
If the message format of the plaintext of the original transaction data is correct, the original transaction data is not tampered, and the original transaction data can be sent to a terminal such as signature authentication equipment for signature authentication of a user; the upper computer can also calculate a first hash value of the data to be traded and send the first hash value to the signature authentication equipment for subsequent verification.
It should be noted that, the original information to be signed may also be directly sent to the terminal, and the terminal performs pre-analysis on the original information to be signed, that is, the message format of the original information to be signed is determined, and meanwhile, the first hash value of the original information to be signed is calculated, and if the message format is wrong, an error is reported and a safe exit is performed, and if the message format is correct, the first hash value is cached for subsequent verification. It can be understood that the server, i.e., the upper computer, determines the message format and calculates the first hash value, so that the processing efficiency of the signature information can be improved.
The adding module 302 is configured to perform segmentation processing on the information to be signed to generate a plurality of pieces of sub information to be signed, and add identifiers to the plurality of pieces of sub information to be signed respectively.
A sending module 303, configured to send the sub information to be signed meeting the predetermined condition to the terminal based on the identifier of the sub information to be signed.
It can be understood that when the terminal, such as the signature authentication device, displays the transaction data to be confirmed which satisfies the predetermined condition, since the buffer area in the signature authentication device is generally small, the transaction data to be confirmed, such as the personal transaction data, which has a small magnitude can be completely displayed; however, when transaction data to be confirmed with a large magnitude, such as transaction data of a company or a school, needs to be displayed, the transaction data may not be displayed completely, so that signature authentication cannot be performed on the transaction data with a large magnitude. Therefore, the transaction data to be confirmed can be divided, so that the sub-data of the transaction to be confirmed generated after division can be completely displayed on the signature authentication device.
It should be noted that, for the segmentation processing operation of the transaction data to be confirmed, the operation may be performed at the signature authentication device or at the upper computer, but in order that the signature authentication device can efficiently process the display condition, generally, the transaction data to be confirmed is segmented at the upper computer to generate a plurality of transaction sub-data to be confirmed, and an identifier is added to the plurality of transaction sub-data to be confirmed, where the identifier includes not only which transaction data to be confirmed belongs to the transaction sub-data, but also an identifier number used for belonging to the same transaction data to be confirmed.
After the identification of the transaction subdata to be confirmed is obtained, the host computer can send the transaction subdata to be confirmed meeting the preset conditions to the signature authentication device according to the identification of the transaction subdata to be confirmed, so that the signature authentication device can display the transaction subdata to be confirmed meeting the preset conditions, and then a user can perform signature authentication on the displayed transaction subdata to be confirmed meeting the preset conditions to complete the transaction.
Optionally, when the server sends the sub information to be signed meeting the predetermined condition to the terminal based on the identifier of the sub information to be signed, the sub information to be signed further includes a first hash value, and in the process of sending the first hash value of the sub information to be signed to the terminal, the server may encrypt the first hash value by using a private key of a preset asymmetric key, and then send the first hash value to the terminal in a ciphertext manner.
According to the method and the device, the original information to be signed is obtained, the original information to be signed is pre-analyzed, the information to be signed is generated, the information to be signed conforms to the format of a transaction message, and the accuracy of the original information to be signed is guaranteed; the information to be signed comprises a first hash value of the information to be signed for subsequent verification; the server divides the information to be signed to generate a plurality of pieces of sub information to be signed, so that the processing efficiency of the information to be signed can be improved, the identifier is added to the information to be signed, the sub information to be signed meeting the preset conditions is sent to the terminal, the terminal can display the sub information to be signed meeting the preset conditions in a segmented mode, signature authentication of large-magnitude information to be signed is completed, and the integrity of signature authentication of the information to be signed is guaranteed.
Optionally, the sending module 303 includes:
the first receiving unit is specifically used for receiving a page turning instruction sent by the terminal,
the first sending unit is specifically configured to send, based on the first identifier included in the page turning instruction, the first sub information to be signed corresponding to the first identifier to the terminal, so that the terminal displays the first sub information to be signed.
It can be understood that, after the to-be-confirmed transaction sub-data sent by the upper computer to the signature authentication device is confirmed by the user, the page turning instruction sent by the terminal may be received, and specifically, the upper computer may send, based on a first identifier included in the page turning instruction, the first to-be-confirmed transaction sub-data corresponding to the first identifier to the signature authentication device for the user to continue to confirm.
And the upper computer sends the data in a segmented manner through the segmented request of the signature authentication device, so that large-magnitude transaction data to be confirmed can be displayed in the signature authentication device.
Optionally, the sending module 303 includes:
the acquiring unit is specifically used for acquiring a second identifier of a second sub-information to be signed currently displayed by the terminal;
the second sending unit is specifically configured to determine, based on the number of the second identifier, at least one third identifier with a number greater than the number of the second identifier, and send at least one third sub-information to be signed corresponding to the at least one third identifier to the terminal, so that the terminal displays the third sub-information to be signed.
It can be understood that when a user needs to turn pages and browse, the signature authentication device reports the identifier of the transaction subdata to be confirmed, which is required to be displayed and corresponds to the page-turning instruction, to the upper computer, and the upper computer sends the transaction subdata to be confirmed to the signature authentication device based on the identifier of the transaction subdata to be confirmed.
In order to reduce the workload of the signature authentication device and improve the working efficiency of the signature authentication device, this embodiment further provides an optimized scheme, in which the host computer can automatically send the transaction subdata to be confirmed, which needs to be displayed by the signature authentication device.
Specifically, the upper computer can actively acquire the identifier of the transaction subdata to be confirmed, which is currently displayed by the signature authentication device, and because the identifier contains the number information, at least one third identifier larger than the identifier number can be confirmed according to the identifier number of the currently displayed transaction subdata to be confirmed, and then the third transaction subdata to be confirmed, which corresponds to the third identifier, is sent to the signature authentication device.
An embodiment of the present application provides a signature information display apparatus, which is applied to a terminal, and as shown in fig. 4, the signature information display apparatus 40 may include: a receiving module 401 and a display module 402, wherein,
the receiving module 401 is configured to receive sub information to be signed, which is sent by a server and meets a predetermined condition, where the sub information to be signed, which meets the predetermined condition, includes a first hash value.
After receiving the sub-information to be signed which meets the preset conditions and is sent by the server, the terminal can send the sub-information to be signed which meets the preset conditions to the display storage area, and when the terminal, namely the signature authentication device, has the display requirement, the terminal displays the word information to be signed which is stored in the display storage area.
In an embodiment of the present invention, the receiving module 401 further includes:
and the receiving submodule is used for receiving the sub-information to be signed, which meets the preset conditions and is sent by the server, and the sub-information to be signed, which meets the preset conditions, accords with the format of the transaction message.
And the analysis submodule is used for analyzing the transaction message format of the signature sub-information meeting the preset conditions and extracting the displayable information of the to-be-signed sub-information meeting the preset conditions.
It can be understood that, after the terminal receives the sub-information to be signed which is sent by the server and meets the preset condition, the terminal can extract the displayable information in the sub-information to be signed by analyzing the transaction message format in the sub-information to be signed, then the displayable information is stored in the display storage area, and when the terminal, namely the signature authentication device, has the display requirement, the displayable information stored in the display storage area is displayed.
It can be understood that, when receiving the sub information to be signed, the terminal also receives the first hash value in the sub information to be signed. Specifically, the terminal may decrypt the sub-information to be signed to obtain a first hash value of the sub-information to be signed.
In an embodiment of the present invention, corresponding to the server sending the first hash value in an encrypted manner, the terminal may decrypt the ciphertext fragment in the sub-information to be signed using a preset public key to obtain the first hash value in the sub-information to be signed.
Optionally, the terminal may further store the decrypted first hash value in a specific hash buffer region for subsequent verification.
Optionally, the receiving module 401 includes:
the third sending unit is specifically configured to send a page turning instruction to the server, so that the server obtains the first to-be-signed sub-information corresponding to the first identifier based on the first identifier included in the page turning instruction;
and the second receiving unit is specifically used for receiving the first sub-information to be signed sent by the server.
It can be understood that, after the transaction subdata to be confirmed displayed on the signature authentication device is confirmed by the user, the user has a demand for viewing the next transaction subdata to be confirmed, so that the user clicks a page turning button displayed on the signature authentication device, and then the signature authentication device sends a page turning instruction to the upper computer.
The page turning instruction comprises an identifier of next transaction subdata to be confirmed, which needs to be displayed, so that the upper computer can obtain first transaction subdata to be confirmed corresponding to the first identifier based on the first identifier included in the page turning instruction and send the first transaction subdata to the signature authentication device, and the signature authentication device can store the first transaction subdata to be confirmed to the display storage area and then display the first transaction subdata to be confirmed when the first transaction subdata to be confirmed corresponding to the page turning instruction is obtained.
Optionally, the receiving module 401 includes:
a fourth sending unit, configured to send a second identifier of the currently displayed second sub information to be signed to the server, so that the server determines, based on the number of the second identifier, at least one third sub information to be signed corresponding to at least one third identifier whose number is greater than the number of the second identifier;
and the third receiving unit is specifically configured to receive at least one third sub-information to be signed sent by the server.
It can be understood that, in order to reduce the workload of the signature authentication device and improve the working efficiency of the signature authentication device, the currently displayed identifier of the second transaction subdata to be confirmed may be sent to the upper computer, because the identifier includes the number information, the upper computer may confirm at least one third identifier larger than the identifier number according to the currently displayed identifier number of the second transaction subdata to be confirmed, and then send the third transaction subdata to be confirmed corresponding to the third identifier to the signature authentication device, the signature authentication device obtains the third transaction subdata to be confirmed and stores the third transaction subdata in the display storage area, when the third transaction subdata to be confirmed needs to be displayed, the third transaction subdata to be confirmed may be directly obtained inside the signature authentication device early, and no obtaining request needs to be sent to the upper computer, thereby saving the display time.
Optionally, the signature information display device 40 further includes:
and the deleting module is used for sequentially deleting the sub information to be signed which is sorted from small to large according to the serial number and is ranked at the front according to the serial number based on the serial number of the identifier of the sub information to be signed when the total memory occupied by the sub information to be signed stored in the preset cache region exceeds a preset threshold value.
It can be understood that, because the display storage area in the signature authentication device is limited, if the transaction sub-data to be continuously confirmed is stored in the display storage area, the subsequent transaction sub-data to be confirmed cannot be displayed, so that when the transaction sub-data to be confirmed stored in the display storage area reaches a certain threshold, for example, eighty percent of the memory of the display storage area is exceeded, a part of the transaction sub-data to be confirmed is deleted to maintain the service performance of the signature authentication device.
Optionally, a part of the transaction sub-data to be confirmed may be deleted according to the identification number of the transaction sub-data to be confirmed, specifically, the transaction sub-data to be confirmed stored in the display storage area may be sorted from small to large according to the identification number, and the transaction sub-data to be confirmed with a smaller identification number may be deleted.
It can be understood that the smaller the identification number is, the transaction sub-data to be confirmed corresponding to the identification number is confirmed by the user, so that the part of the data can be deleted, and the signature authentication device can display the transaction data to be confirmed in an unlimited length.
The display module 402 calculates a second hash value of the sub information to be signed meeting a predetermined condition, and displays the sub information to be signed meeting the predetermined condition when the first hash value is matched with the second hash value.
It will be appreciated that in order to ensure the security of the transaction data, the transaction data may also be verified at the signature verification device to ensure that the accurate transaction data is displayed to the user. Specifically, the signature authentication device can calculate a second hash value of the transaction sub-data to be confirmed after receiving the transaction sub-data to be confirmed, which is sent by the upper computer, and after calculating the second hash value of the transaction sub-data, the signature authentication device can decrypt the second hash value and match the first hash value stored in the hash cache area with the terminal.
In an embodiment of the present invention, when the first hash value matches the second hash value, the signature authentication device may further display displayable information stored in the display storage area for the user to confirm, and the user may perform a signature operation, thereby achieving an effect of "what you see is what you sign".
Optionally, because of the equal probability of the hash value, in order to improve the checking efficiency of the signature authentication device, before calculating the second hash value of the transaction sub-data to be confirmed, the transaction sub-data to be confirmed may be further compressed, then the second hash value of the compressed data is calculated, the hash value of the compressed data is matched with the first hash value, the signature sub-data to be confirmed that is successfully matched is displayed for the user to confirm, and the user may perform a signature operation, so as to achieve "what you see is what you sign".
The received sub information to be signed meeting the preset conditions is stored in a display cache region, the service performance of the sub information to be signed displayed by the terminal is guaranteed, the second hash value of the sub information to be signed is calculated, and the sub information to be signed is displayed under the condition that the calculated second hash value is matched with the decrypted first hash value, so that what you see is what you sign is achieved, and the reliability and uniqueness of the sub information to be signed are guaranteed.
An embodiment of the present application provides an electronic device, including: a memory and a processor; at least one program stored in the memory for execution by the processor, which when executed by the processor, implements: the method comprises the steps of pre-analyzing original information to be signed by acquiring the original information to be signed to generate the information to be signed so that the information to be signed conforms to a transaction message format; the accuracy of the original information to be signed is guaranteed, the server divides the information to be signed to generate a plurality of pieces of sub information to be signed, the processing efficiency of the information to be signed can be improved, the identifier is added to the information to be signed, the sub information to be signed meeting the preset conditions is sent to the terminal, the terminal displays the sub information to be signed, the terminal can display the sub information to be signed in a segmented mode, signature authentication of large-magnitude information to be signed is completed, and the integrity of signature authentication of the information to be signed is guaranteed.
In an alternative embodiment, an electronic device is provided, as shown in fig. 5, the electronic device 4000 shown in fig. 5 comprising: a processor 4001 and a memory 4003. Processor 4001 is coupled to memory 4003, such as via bus 4002. Optionally, the electronic device 4000 may further comprise a transceiver 4004. In addition, the transceiver 4004 is not limited to one in practical applications, and the structure of the electronic device 4000 is not limited to the embodiment of the present application.
The Processor 4001 may be a CPU (Central Processing Unit), a general-purpose Processor, a DSP (Digital Signal Processor), an ASIC (Application Specific Integrated Circuit), an FPGA (Field Programmable Gate Array) or other Programmable logic device, a transistor logic device, a hardware component, or any combination thereof. Which may implement or perform the various illustrative logical blocks, modules, and circuits described in connection with the disclosure. The processor 4001 may also be a combination that performs a computational function, including, for example, a combination of one or more microprocessors, a combination of a DSP and a microprocessor, or the like.
Bus 4002 may include a path that carries information between the aforementioned components. The bus 4002 may be a PCI (Peripheral Component Interconnect) bus, an EISA (Extended Industry Standard Architecture) bus, or the like. The bus 4002 may be divided into an address bus, a data bus, a control bus, and the like. For ease of illustration, only one thick line is shown in FIG. 5, but this is not intended to represent only one bus or type of bus.
The Memory 4003 may be a ROM (Read Only Memory) or other types of static storage devices that can store static information and instructions, a RAM (Random Access Memory) or other types of dynamic storage devices that can store information and instructions, an EEPROM (Electrically Erasable Programmable Read Only Memory), a CD-ROM (Compact Disc Read Only Memory) or other optical Disc storage, optical Disc storage (including Compact Disc, laser Disc, optical Disc, digital versatile Disc, blu-ray Disc, etc.), a magnetic Disc storage medium or other magnetic storage devices, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer, but is not limited to these.
The memory 4003 is used for storing application codes for executing the scheme of the present application, and the execution is controlled by the processor 4001. Processor 4001 is configured to execute application code stored in memory 4003 to implement what is shown in the foregoing method embodiments.
The embodiment of the application provides a computer storage medium, on which a computer program is stored, and when the computer program runs on a computer, the computer is enabled to execute the corresponding content in the foregoing method embodiment. Compared with the prior art, the information to be signed is generated by acquiring the original information to be signed and pre-analyzing the original information to be signed, and the information to be signed conforms to the format of a transaction message, so that the accuracy of the original information to be signed is ensured; the information to be signed comprises a first hash value of the information to be signed for subsequent verification; the server divides the information to be signed to generate a plurality of pieces of sub information to be signed, so that the processing efficiency of the information to be signed can be improved, the identifier is added to the information to be signed, the sub information to be signed meeting the preset conditions is sent to the terminal, the terminal can display the sub information to be signed meeting the preset conditions in a segmented mode, signature authentication of large-magnitude information to be signed is completed, and the integrity of signature authentication of the information to be signed is guaranteed.
It should be understood that, although the steps in the flowcharts of the figures are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and may be performed in other orders unless explicitly stated herein. Moreover, at least a portion of the steps in the flow chart of the figure may include multiple sub-steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, which are not necessarily performed in sequence, but may be performed alternately or alternately with other steps or at least a portion of the sub-steps or stages of other steps.
The foregoing is only a partial embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (12)

1. A signature information processing method is applied to a server side, and is characterized by comprising the following steps:
acquiring original information to be signed, and pre-analyzing the original information to be signed to generate information to be signed, wherein the information to be signed conforms to a transaction message format and comprises a first hash value of the information to be signed;
the information to be signed is segmented to generate a plurality of pieces of sub information to be signed, and identifiers are added to the plurality of pieces of sub information to be signed respectively;
and sending the sub information to be signed meeting the preset conditions to the terminal based on the identifier of the sub information to be signed, so that the terminal displays the sub information to be signed meeting the preset conditions.
2. The method according to claim 1, wherein the sending the sub information to be signed meeting the predetermined condition to the terminal based on the identifier of the sub information to be signed, so that the terminal displays the sub information to be signed meeting the predetermined condition, comprises:
receiving a page turning instruction sent by a terminal, and sending first sub-information to be signed corresponding to a first identifier to the terminal based on the first identifier included in the page turning instruction so that the terminal displays the first sub-information to be signed.
3. The method according to claim 1, wherein the sending the sub information to be signed meeting the predetermined condition to the terminal based on the identifier of the sub information to be signed, so that the terminal displays the sub information to be signed meeting the predetermined condition, comprises:
acquiring a second identifier of a second sub-information to be signed currently displayed by the terminal;
and determining at least one third identifier with the number larger than that of the second identifier based on the number of the second identifier, and sending at least one third sub-information to be signed corresponding to the at least one third identifier to the terminal so as to enable the terminal to display the third sub-information to be signed.
4. A signature information display method is applied to a terminal and is characterized by comprising the following steps:
receiving sub information to be signed which meets a preset condition and is sent by a server, wherein the sub information to be signed which meets the preset condition comprises the first hash value;
and calculating a second hash value of the sub information to be signed meeting the preset condition, and displaying the sub information to be signed meeting the preset condition under the condition that the first hash value is matched with the second hash value.
5. The method according to claim 4, wherein the sub-information to be signed which meets the predetermined condition and is sent by the server is received, and the sub-information to be signed which meets the predetermined condition conforms to the transaction message format, and the method comprises the following steps:
analyzing the transaction message format of the signature sub-information meeting the preset conditions, and extracting displayable information of the to-be-signed sub-information meeting the preset conditions;
and displaying the displayable information of the sub-information to be signed meeting the preset condition under the condition that the first hash value is matched with the second hash value.
6. The method according to claim 5, wherein the receiving the sub-information to be signed sent by the server and satisfying the predetermined condition comprises:
sending a page turning instruction to a server so that the server obtains first sub-information to be signed corresponding to a first identifier based on the first identifier included in the page turning instruction;
and receiving the first sub information to be signed sent by the server.
7. The method according to claim 5, wherein the receiving the sub-information to be signed sent by the server and satisfying the predetermined condition comprises:
sending a second identifier of currently displayed second sub information to be signed to a server, so that the server determines at least one piece of third sub information to be signed corresponding to at least one piece of third identifier with the number being greater than that of the second identifier based on the number of the second identifier;
and receiving the at least one third sub-information to be signed sent by the server.
8. The method according to any one of claims 4-7, further comprising:
and when the total memory occupied by the sub-information to be signed stored in the preset cache region exceeds a preset threshold value, sequentially deleting the sub-information to be signed which is sequenced from small to large and is in front of the sequence according to the serial number based on the serial number of the identifier of the sub-information to be signed.
9. A signature information processing device applied to a server side is characterized by comprising:
the pre-analysis module is used for acquiring original information to be signed, pre-analyzing the original information to be signed and generating information to be signed, wherein the information to be signed conforms to a transaction message format, and the information to be signed comprises a first hash value of the information to be signed;
the adding module is used for carrying out segmentation processing on the information to be signed to generate a plurality of pieces of sub information to be signed and respectively adding marks for the plurality of pieces of sub information to be signed;
and the sending module is used for sending the sub information to be signed meeting the preset conditions to the terminal based on the identifier of the sub information to be signed so as to enable the terminal to display the sub information to be signed meeting the preset conditions.
10. A signature information display device applied to a terminal is characterized by comprising:
the signature processing device comprises a receiving module, a processing module and a processing module, wherein the receiving module is used for receiving sub information to be signed which meets a preset condition and is sent by a server, and the sub information to be signed which meets the preset condition comprises a first hash value corresponding to the sub information to be signed which meets the preset condition;
and the display module is used for calculating a second hash value of the sub information to be signed meeting the preset condition, and displaying the sub information to be signed meeting the preset condition under the condition that the first hash value is matched with the second hash value.
11. An electronic device, comprising:
one or more processors;
a memory;
one or more applications, wherein the one or more applications are stored in the memory and configured to be executed by the one or more processors, the one or more programs configured to: carrying out the method according to any one of claims 1 to 8.
12. A computer storage medium on which a computer program is stored, which program, when being executed by a processor, is adapted to carry out the method of any one of claims 1 to 8.
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