CN115695055B - High-reliability high-concurrency security authentication system and method based on memory database - Google Patents
High-reliability high-concurrency security authentication system and method based on memory database Download PDFInfo
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Abstract
The invention provides a high-reliability high-concurrency security authentication system and a method based on a memory database, wherein the system comprises n groups of terminals and n different-place central nodes which are in one-to-one correspondence; the n different-place central nodes comprise 2 backup central nodes and n-2 common central nodes; each common center node is internally provided with 2 safety certification devices which are respectively a main safety certification device and a standby safety certification device, and each safety certification device is provided with a safety certification service program and a memory database for storing terminal certification certificates belonging to the common center node; each backup center node is internally provided with n security authentication devices, and each security authentication device is provided with a security authentication service program and a memory database for storing all terminal authentication certificates in the system. The invention uses the memory database to store the authentication voucher information of the terminal, and adopts a remote multi-center hierarchical system deployment mode to support high concurrency of terminal access authentication and high reliability of system operation.
Description
Technical Field
The invention relates to the technical field of data security authentication, in particular to a high-reliability high-concurrency security authentication system and method based on a memory database.
Background
The security authentication is a process of judging whether a terminal is legal or not when accessing a system, and is used as a first barrier of network information security, thereby playing a significant role in preventing unauthorized access, protecting sensitive data in the system, avoiding internal attack on the system and the like. Common authentication modes, such as static passwords, dynamic passwords (tokens), digital certificates and fingerprints, require the inside of a system to store the credential information of all terminals to be accessed in advance, and when a terminal initiates access, the system inquires the terminal credentials and calculates an authentication protocol based on a cryptographic algorithm to finally complete authentication with the terminal. When the number of terminals to be accessed in the system is huge, the authentication frequency of a single terminal is high, and the time for completing single authentication is strictly limited, for example, the main authentication of the terminal equipment in the mobile communication system accessing the core network, the access authentication design of the terminal must have the characteristics of high concurrency, low time delay and high reliability, and the following problems need to be solved:
(1) Quick access of terminal credentials: the system stores the authentication certificates of all terminals, and traditionally, a disk database is used for managing certificate information. When the terminal accesses the system to perform security authentication, on one hand, the corresponding terminal credentials need to be read from all the credentials in time, and on the other hand, if the authentication protocol requires updating the terminal credentials during each authentication, the updated credential information needs to be written into the terminal quickly. When a large number of terminals access the system, the system is required to have high concurrent terminal credential read-write processing capability. The disk database is influenced by the IO interface rate, and the data access speed of the disk database is limited to a certain extent, so that the disk database becomes a bottleneck limiting the concurrency capability of the system when processing the authentication request.
(2) Designing a high-reliability high-concurrency system scheme: the computing capacity of a single device is limited, in order to improve the throughput of the whole system, a load balancing mode is usually adopted to distribute request messages to different devices for processing, meanwhile, redundancy backup is carried out to enhance the availability of the system, and the system is deployed in a remote multi-center mode. For the security authentication service, considering the situation that the terminal certificate is updated in the authentication process, the data consistency between different devices and different centers needs to be ensured, otherwise, the terminal authentication certificate is inconsistent with the certificate stored in the system and cannot be accessed during the active/standby switching. However, the master-slave backup mode supported by many databases is asynchronous, and data synchronization failure may occur, so that an additional mechanism is required to ensure high reliability and high concurrency of the system.
Disclosure of Invention
The invention aims to provide a high-reliability high-concurrency security authentication system and a method based on a memory database, so as to solve the existing problems.
The invention provides a high-reliability high-concurrency security authentication system based on a memory database, which comprises n groups of terminals and n connected off-site central nodes, wherein the n groups of terminals correspond to the n off-site central nodes one by one, and each group of terminals belongs to 1 central node; the n allopatric central nodes comprise 2 backup central nodes and n-2 common central nodes; n is more than or equal to 2 and n is a positive integer;
each common center node is internally provided with 2 safety certification devices which are respectively a main safety certification device and a standby safety certification device, and each safety certification device is provided with a safety certification service program and a memory database for storing terminal certification certificates belonging to the common center node;
each backup center node is internally provided with n security authentication devices, and each security authentication device is provided with a security authentication service program and a memory database for storing all terminal authentication certificates in the system.
Further, 2 safety certification devices in each common central node work in a hot standby redundancy mode.
Furthermore, the n security authentication devices in each backup center node work in a load balancing mode.
Further, when the number of all terminals in the system is x and a single security authentication device can provide security authentication services for y terminals at most, n = max (2,x/y is rounded up).
The invention also provides a high-reliability high-concurrency security authentication method based on the memory database, which needs to execute different processes according to the states of the terminal and the allopatric center node in the high-reliability high-concurrency security authentication system based on the memory database; respectively as follows:
when all the remote center node devices in the security authentication system normally operate, the security authentication method is used;
when the terminal and the security authentication system synchronously update the credentials in the security authentication process, the terminal does not successfully update the credentials and the security authentication system successfully updates the credentials;
when the security authentication method is used in the security authentication system, the security authentication equipment is unavailable at the remote center node.
Further, the security authentication method when all the off-site center node devices in the security authentication system normally operate includes:
when the terminal accesses the security authentication system, an authentication request is sent to the attributive allopatric center node, and the attributive allopatric center node completes the security authentication process with the terminal;
if the off-site central node responsible for the safety certification process is a common central node, the main safety certification equipment in the off-site central node is responsible for processing the safety certification process, when the safety certification process needs to synchronously update the certificate with the terminal, the main safety certification equipment firstly sends certificate updating information to the off-site central node standby safety certification equipment and 2 backup central nodes, and after receiving the notice that the off-site central node standby safety certification equipment and the 2 backup central nodes complete data updating, the terminal is informed to update the certificate;
if the off-site central node responsible for the security authentication process is a backup central node, the backup central node selects security authentication equipment responsible for processing the security authentication from the n security authentication equipment according to a load balancing strategy, when the security authentication process needs to synchronously update the credentials with the terminal, the security authentication equipment responsible for processing the security authentication firstly sends credential updating information to other n-1 security authentication equipment of the off-site central node and another backup central node, and after receiving a notification of completion of data updating of other n-1 equipment of the off-site central node and another backup central node, the terminal is notified to update the credentials;
when the terminal authentication credential is updated, the remote center node device simultaneously retains the updated credential information and the credential information before the update.
Further, the security authentication method when the terminal and the security authentication system update the credential synchronously in the security authentication process, and the terminal does not update the credential successfully and the security authentication system updates the credential successfully includes:
when a terminal initiates an access authentication request to a security authentication system, carrying version information of the current use credential of the terminal in the access authentication request;
after receiving the terminal access authentication request, the security authentication system judges that the terminal does not successfully update the credential before the last security authentication according to the credential version information carried in the access authentication request, and uses the credential information before the last update to perform security authentication with the terminal.
Further, the security authentication method when the security authentication device is unavailable at the off-site central node in the security authentication system comprises the following steps:
if the common central node standby safety certification equipment and the backup central node part safety certification equipment are unavailable, when the terminal credential information is updated by the different central node safety certification equipment in the safety certification process, the terminal is notified to update the credential without waiting for the unavailable safety certification equipment to send a data update completion notification;
if the main safety certification equipment of the common center node is unavailable, the standby safety certification equipment of the common center node is switched into main safety certification equipment to be responsible for terminal safety access certification;
if the main safety certification equipment and the standby safety certification equipment of the common center node are unavailable, 2 standby center nodes are used for allocating and processing safety access certification which belongs to the common center node terminal;
if all the safety certification devices in the 1 backup center node are unavailable, the other 1 backup center takes over the safety access certification belonging to the backup center node.
Further, when the security authentication device of the remote center node in the security authentication system is restored from the unavailable state to the available state, the terminal authentication credential information stored in the security authentication device needs to be restored first.
Further, when the security authentication device of the remote center node in the security authentication system is restored from the unavailable state to the available state, the process of restoring the terminal authentication credential information stored in the security authentication device first includes:
if the main safety certification equipment of the common center node is available and the standby safety certification equipment is recovered to be in an available state from an unavailable state, the standby safety certification equipment firstly recovers the certificate information stored in the equipment from a disk, then compares the certificate information with the certificate information stored in the main safety certification equipment of the common center node and updates the certificate information, and the certificate information is recovered to be in the available state after the updating is completed;
if the main safety certification equipment and the standby safety certification equipment of the common center node are unavailable, the safety certification equipment which executes the recovery process firstly recovers the certificate information stored in the equipment from the disk, then compares the certificate information with the certificate information stored in the standby center node available safety certification equipment for updating, and the main safety certification equipment in an available state can be recovered after updating is completed;
if the part of the security authentication equipment in the backup center node is restored to the available state from the unavailable state, the security authentication equipment firstly restores the certificate information stored in the equipment from the disk, then compares the certificate information with the certificate information stored in the available security authentication equipment in the backup center and updates the certificate information, and the certificate information can be restored to the available state after the updating is finished;
if all the safety certification equipment of the backup center node is unavailable, the safety certification equipment which executes the recovery process firstly recovers the certificate information stored in the equipment from the disk, then compares the certificate information with the certificate information stored in the main safety certification equipment which can be used by each common center node respectively, and recovers the state of being available after the updating is finished;
if all the safety certification devices of the backup center node and the main safety certification device and the standby safety certification device of the common center node are unavailable, firstly, executing a recovery process of the main safety certification device of the common center node, and then executing a recovery process of the safety certification device of the backup center node.
In summary, the present invention uses the memory database to store the authentication credential information of the terminal, and adopts a remote multi-center hierarchical system deployment manner, which can bring the following beneficial effects:
1. the high concurrency of terminal access authentication is supported: by means of the characteristic that a memory database reads and writes data quickly, the processing speed and the response capability of the security authentication service are improved, all terminal access requests are distributed to different devices for processing, the problem that the password computing capability of a single device is limited is solved, and the system can meet the high-concurrency security authentication requirements of a large number of terminals;
2. the operation of the supporting system is highly reliable: by deploying the central node in different places and providing a local, central-level and system-level data backup and recovery mechanism, the system can effectively deal with the sudden failures of the equipment level and the central node level, and ensure the continuous and normal operation of the system safety authentication service to the maximum extent.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and it is obvious for those skilled in the art that other related drawings can be obtained according to these drawings without inventive efforts.
Fig. 1 is a schematic diagram of a high-reliability high-concurrency security authentication system based on a memory database according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
As shown in fig. 1, the present embodiment provides a high-reliability high-concurrency security authentication system based on a memory database, which includes n groups of terminals and n connected remote center nodes, where the n groups of terminals correspond to the n remote center nodes one to one, and each group of terminals belongs to 1 center node; the n allopatric central nodes comprise 2 backup central nodes and n-2 common central nodes; wherein n is more than or equal to 2 and n is a positive integer;
each common center node is internally provided with 2 safety certification devices which are respectively a main safety certification device and a standby safety certification device, and each safety certification device is provided with a safety certification service program and a memory database for storing terminal certification certificates belonging to the common center node; in this embodiment, 2 pieces of security authentication equipment in each common central node operate in a hot standby redundancy manner;
each backup center node is internally provided with n security authentication devices, and each security authentication device is provided with a security authentication service program and a memory database for storing all terminal authentication certificates in the system. In this embodiment, n security authentication devices in each backup center node operate in a load balancing manner.
Further, the value of n needs to be determined according to the number of concurrent security authentication requests and the number of terminals that can be processed by the security authentication device, and specifically includes: when the number of all terminals in the system is x, and a single security authentication device can provide security authentication services for y terminals at most, n = max (the result of 2,x/y is rounded up).
The security authentication method of the high-reliability high-concurrency security authentication system based on the memory database comprises the following steps:
in a first case, the security authentication method when all the remote center node devices in the security authentication system normally operate specifically includes:
when the terminal accesses the security authentication system, an authentication request is sent to the attributive allopatric center node, and the attributive allopatric center node completes the security authentication process with the terminal;
if the remote center node in charge of the security authentication process is a common center node, the main security authentication equipment in the remote center node is in charge of processing the security authentication process, when the security authentication process needs to update the credentials synchronously with the terminal, the main security authentication equipment firstly sends the credential update information to the local remote center node security authentication equipment and 2 backup center nodes, and after receiving the notification of completing the data update of the local remote center node security authentication equipment and the 2 backup center nodes, the terminal is notified to update the credentials;
if the remote center node in charge of the security authentication process is a backup center node, the backup center node selects a security authentication device in charge of processing the security authentication from the n security authentication devices according to a load balancing strategy, when the security authentication process needs to update the credential synchronously with the terminal, the security authentication device in charge of processing the security authentication firstly sends the credential updating information to other n-1 security authentication devices and another backup center node of the local remote center node, and after receiving the notification that the data updating of other n-1 devices and another backup center node of the local remote center node is completed, the terminal is notified to update the credential;
when the terminal authentication credential is updated, the remote center node device simultaneously retains the updated credential information and the credential information before the update.
In the second situation, when the terminal and the security authentication system synchronously update the credentials in the security authentication process, the terminal does not successfully update the credentials and the security authentication system successfully updates the credentials; specifically, the method comprises the following steps:
when a terminal initiates an access authentication request to a security authentication system, carrying the version information of the current use credential of the terminal in the access authentication request;
after receiving the terminal access authentication request, the security authentication system judges that the terminal does not successfully update the credential before the last security authentication according to the credential version information carried in the access authentication request, and uses the credential information before the last update to perform security authentication with the terminal.
And thirdly, when the security authentication equipment is unavailable in the remote center node in the security authentication system, the security authentication method comprises the following steps:
if the common central node spare safety certification equipment and the backup central node part safety certification equipment are unavailable, when the different ground central node safety certification equipment updates the terminal credential information in the safety certification process, the terminal is notified to update the credential without waiting for the unavailable safety certification equipment to send a data updating completion notification;
if the main safety certification equipment of the common center node is unavailable, the standby safety certification equipment of the common center node is switched into main safety certification equipment to be responsible for terminal safety access certification;
if the main safety authentication equipment and the standby safety authentication equipment of the common center node are unavailable, the safety access authentication belonging to the common center node terminal is processed by the sharing of 2 standby center nodes;
if all the safety certification devices in the 1 backup center node are unavailable, the other 1 backup center takes over the safety access certification belonging to the backup center node.
Further, when the security authentication device of the remote center node in the security authentication system is restored from the unavailable state to the available state, the terminal authentication credential information stored in the security authentication device needs to be restored first, specifically:
if the main safety authentication equipment of the common center node is available and the standby safety authentication equipment is recovered to be in an available state from an unavailable state, the standby safety authentication equipment recovers the certificate information stored in the equipment from a disk, then compares the certificate information with the certificate information stored in the main safety authentication equipment of the common center node and updates the certificate information, and the certificate information is recovered to be in the available state after the updating is completed;
if the main safety certification equipment and the standby safety certification equipment of the common center node are unavailable, the safety certification equipment which executes the recovery process firstly recovers the certificate information stored in the equipment from the disk, then compares the certificate information with the certificate information stored in the standby center node available safety certification equipment for updating, and the main safety certification equipment in an available state can be recovered after updating is completed;
if the part of the security authentication equipment in the backup center node is restored to the available state from the unavailable state, the security authentication equipment firstly restores the certificate information stored in the equipment from the disk, then compares the certificate information with the certificate information stored in the available security authentication equipment in the backup center node for updating, and restores the certificate to the available state after updating;
if all the safety certification equipment of the backup center node is unavailable, the safety certification equipment which executes the recovery process firstly recovers the certificate information stored in the equipment from the disk, then compares the certificate information with the certificate information stored in the main safety certification equipment which can be used by each common center node respectively, and recovers the state of being available after the updating is finished;
if all the safety certification devices of the backup center node and the main safety certification device and the standby safety certification device of the common center node are unavailable, firstly, executing a recovery process of the main safety certification device of the common center node, and then executing a recovery process of the safety certification device of the backup center node.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A high-reliability high-concurrency security authentication system based on a memory database is characterized by comprising n groups of terminals and n connected off-site central nodes, wherein the n groups of terminals correspond to the n off-site central nodes one by one, and each group of terminals belongs to 1 central node; the n allopatric central nodes comprise 2 backup central nodes and n-2 common central nodes; n is more than or equal to 2 and n is a positive integer;
each common center node is internally provided with 2 safety certification devices which are respectively a main safety certification device and a standby safety certification device, and each safety certification device is provided with a safety certification service program and a memory database for storing terminal certification certificates belonging to the common center node;
each backup center node is internally provided with n security authentication devices, and each security authentication device is provided with a security authentication service program and a memory database for storing all terminal authentication certificates in the system.
2. The in-memory database-based high-reliability high-concurrency security authentication system as claimed in claim 1, wherein 2 security authentication devices in each common central node operate in a hot standby redundancy manner.
3. The in-memory database-based high-reliability high-concurrency security authentication system as claimed in claim 1, wherein n security authentication devices in each backup center node operate in a load balancing manner.
4. The in-memory database-based high-reliability high-concurrency security authentication system as claimed in claim 1, wherein when the number of all terminals in the system is x, a single security authentication device can provide security authentication services for y terminals at most, then n = max (2,x/y is rounded up).
5. A high-reliability high-concurrency security authentication method based on a memory database is characterized in that the security authentication method needs to execute different processes according to the states of a terminal and a remote center node in the high-reliability high-concurrency security authentication system based on the memory database according to any one of claims 1 to 4; respectively as follows:
when all the off-site central node devices in the security authentication system normally operate, the security authentication method is used;
when the terminal and the security authentication system synchronously update the credentials in the security authentication process, the terminal does not successfully update the credentials and the security authentication system successfully updates the credentials;
when the remote center node in the security authentication system has a security authentication method when the security authentication equipment is unavailable;
the security authentication method when all the remote center node devices in the security authentication system normally operate comprises the following steps:
when the terminal accesses the safety certification system, an authentication request is sent to the attributive allopatric central node, and the attributive allopatric central node completes the safety certification process with the terminal;
if the off-site central node responsible for the safety certification process is a common central node, the main safety certification equipment in the off-site central node is responsible for processing the safety certification process, when the safety certification process needs to synchronously update the certificate with the terminal, the main safety certification equipment firstly sends certificate updating information to the off-site central node standby safety certification equipment and 2 backup central nodes, and after receiving the notice that the off-site central node standby safety certification equipment and the 2 backup central nodes complete data updating, the terminal is informed to update the certificate;
if the remote center node in charge of the security authentication process is a backup center node, the backup center node selects a security authentication device in charge of processing the security authentication from the n security authentication devices according to a load balancing strategy, when the security authentication process needs to update the credential synchronously with the terminal, the security authentication device in charge of processing the security authentication firstly sends the credential updating information to other n-1 security authentication devices and another backup center node of the local remote center node, and after receiving the notification that the data updating of other n-1 devices and another backup center node of the local remote center node is completed, the terminal is notified to update the credential;
when updating the terminal authentication credentials, the remote center node equipment simultaneously retains the updated credential information and the credential information before the update;
the security authentication method comprises the following steps that when the terminal and the security authentication system synchronously update the credentials in the security authentication process, the terminal does not successfully update the credentials, and the security authentication system successfully updates the credentials:
when a terminal initiates an access authentication request to a security authentication system, carrying version information of the current use credential of the terminal in the access authentication request;
after receiving a terminal access authentication request, a security authentication system judges that the terminal does not successfully update the credential before the last security authentication according to credential version information carried in the access authentication request, and performs security authentication with the terminal by using the credential information before the last security authentication;
the security authentication method when the security authentication equipment is unavailable at the remote center node in the security authentication system comprises the following steps:
if the common central node standby safety certification equipment and the backup central node part safety certification equipment are unavailable, when the terminal credential information is updated by the different central node safety certification equipment in the safety certification process, the terminal is notified to update the credential without waiting for the unavailable safety certification equipment to send a data update completion notification;
if the main safety certification equipment of the common center node is unavailable, the standby safety certification equipment of the common center node is switched into main safety certification equipment to be responsible for terminal safety access certification;
if the main safety authentication equipment and the standby safety authentication equipment of the common center node are unavailable, the safety access authentication belonging to the common center node terminal is processed by the sharing of 2 standby center nodes;
if all the safety certification equipment in 1 backup center node is unavailable, the other 1 backup center takes over the safety access certification belonging to the backup center node.
6. The in-memory database-based high-reliability high-concurrency security authentication method as claimed in claim 5, wherein when the security authentication device of the off-site central node in the security authentication system is recovered from the unavailable state to the available state, the terminal authentication credential information stored in the security authentication device needs to be recovered first.
7. The in-memory database-based high-reliability high-concurrency security authentication method as claimed in claim 5, wherein when the security authentication device of the off-site central node in the security authentication system is restored from the unavailable state to the available state, the process of restoring the terminal authentication credential information stored in the security authentication device first comprises:
if the main safety certification equipment of the common center node is available and the standby safety certification equipment is recovered to be in an available state from an unavailable state, the standby safety certification equipment firstly recovers the certificate information stored in the equipment from a disk, then compares the certificate information with the certificate information stored in the main safety certification equipment of the common center node and updates the certificate information, and the certificate information is recovered to be in the available state after the updating is completed;
if the main safety certification equipment and the standby safety certification equipment of the common center node are unavailable, the safety certification equipment which executes the recovery process firstly recovers the certificate information stored in the equipment from the disk, then compares the certificate information with the certificate information stored in the standby center node available safety certification equipment for updating, and the main safety certification equipment in an available state can be recovered after updating is completed;
if the part of the security authentication equipment in the backup center node is restored to the available state from the unavailable state, the security authentication equipment firstly restores the certificate information stored in the equipment from the disk, then compares the certificate information with the certificate information stored in the available security authentication equipment in the backup center and updates the certificate information, and the certificate information can be restored to the available state after the updating is finished;
if all the safety certification equipment of the backup center node is unavailable, the safety certification equipment which executes the recovery process firstly recovers the certificate information stored in the equipment from the disk, then compares the certificate information with the certificate information stored in the main safety certification equipment which can be used by each common center node respectively, and recovers the state of being available after the updating is finished;
if all the safety certification devices of the backup center node and the main safety certification device and the standby safety certification device of the common center node are unavailable, firstly, executing a recovery process of the main safety certification device of the common center node, and then executing a recovery process of the safety certification device of the backup center node.
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| JP5054220B1 (en) * | 2011-08-19 | 2012-10-24 | 株式会社大塚商会 | Virtual data center system |
| CN102984115B (en) * | 2011-09-02 | 2016-03-16 | 中国长城计算机深圳股份有限公司 | A kind of network security method and client-server |
| CN103916848B (en) * | 2013-01-09 | 2019-06-14 | 中兴通讯股份有限公司 | A kind of method and system of mobile terminal data backup and recovery |
| JP6547357B2 (en) * | 2015-03-20 | 2019-07-24 | 株式会社リコー | Device, authentication system, authentication processing method and authentication processing program |
| CN105577757B (en) * | 2015-12-15 | 2020-03-06 | 国网智能电网研究院 | Multi-level management system and authentication method of intelligent power terminal based on load balancing |
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| EP4268077A1 (en) * | 2020-12-24 | 2023-11-01 | INTEL Corporation | Methods, systems, articles of manufacture and apparatus to optimize resources in edge networks |
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