CN112953711A - Database security connection system and method - Google Patents
Database security connection system and method Download PDFInfo
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- CN112953711A CN112953711A CN202110120095.0A CN202110120095A CN112953711A CN 112953711 A CN112953711 A CN 112953711A CN 202110120095 A CN202110120095 A CN 202110120095A CN 112953711 A CN112953711 A CN 112953711A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0891—Revocation or update of secret information, e.g. encryption key update or rekeying
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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
- G06F21/602—Providing cryptographic facilities or services
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0807—Network architectures or network communication protocols for network security for authentication of entities using tickets, e.g. Kerberos
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/133—Protocols for remote procedure calls [RPC]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
- H04L69/161—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields
- H04L69/162—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields involving adaptations of sockets based mechanisms
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Abstract
The invention provides a database security connection system and a method thereof, comprising: a password modification module: modifying the password in the password library to form a new password; the safe connection interface calls the module: before the application program is connected with the service database, a safe connection interface is called through a packaging method; SQLPLUS connection module: the safe connection interface is connected with the password library through the SQLPLUS, and a new password in the password library is extracted; the ciphertext password returning module: the safe connection interface decrypts the received 3DES ciphertext cipher to obtain an application account number cipher, and then encrypts the application account number cipher; a service database connection module: and the application program receives the application account password returned by the secure connection interface, performs mac verification, and decrypts the returned ciphertext password after passing the mac verification to perform service database connection. The invention supports online modification of the database application password, and the password does not need to be configured when the application server accesses the database, thereby achieving the purpose of preventing the password from being leaked.
Description
Technical Field
The invention relates to the field of databases, in particular to a database secure connection system and a database secure connection method.
Background
The existing database connection mode is generally connected through a conventional account password, and the biggest defect of the connection mode is that potential safety hazards can be caused after the password is leaked or cracked. In another database connection mode, an intermediate server is arranged between the application function program and the service database, and data connection is realized through the intermediate server, but the scheme also has the problem of potential safety hazard caused by the fact that the intermediate server is invaded.
The invention patent with patent document CN109831435A discloses a database operation method, system, proxy server and storage medium, which receives a connection request with a target token carried by a request end; the target token is a token which is applied by the request terminal to the proxy server and used for accessing the target database; and requesting an identity authentication identifier from a target database according to the token, and executing database operation by using the identity authentication identifier. According to the database operation method, the secure connection between the request end and the database end can be realized through the proxy server, the traditional form that the configuration file reads the user password of the database is avoided, and the connection security is greatly improved. However, the above solutions have drawbacks including safety issues: the proxy server has too large authority, and the authority cannot be controlled after the proxy server is permeated. There are also stability problems: the proxy server is in a series mode, and the system availability is influenced when a fault occurs.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a database secure connection system and a database secure connection method.
The invention provides a database secure connection system, which comprises the following modules:
a password modification module: modifying the password in the password library to form a new 3DES ciphertext password;
the safe connection interface calls the module: before the application program is connected with the service database, a safe connection interface is called through a packaging method;
SQLPLUS connection module: the safe connection interface is connected with the password library through the SQLPLUS, and a new 3DES ciphertext password in the password library is extracted;
the ciphertext password returning module: the safe connection interface decrypts the received 3DES ciphertext cipher to obtain an application account number cipher, and then encrypts the application account number cipher;
a service database connection module: and the application program receives the application account password returned by the secure connection interface, performs mac verification, and decrypts the returned ciphertext password after passing the mac verification to perform service database connection.
Preferably, the application calls the secure connection interface through http or socket.
Preferably, the secure connection port invoking module includes:
establishing a connection module: establishing connection between the application program and the safe connection interface, and transmitting keys, tokens, mac, service names, IP, user names and database names to the safe connection interface;
a preliminary verification module: the safety connection interface completes preliminary verification through the acquired token and mac;
and checking the module again: and the safety connection interface checks whether the obtained service name, the IP, the user name and the database name are complete or not, if the check result is complete, the SQLPLUS connection module is entered, and if the check result is incomplete, the SQLPLUS connection module is not entered.
Preferably, the ciphertext password returning module includes:
an analysis module: decrypting the acquired 3DES ciphertext in the password library;
an encryption module: carrying out combined encryption on the decrypted passwords;
a return module: and returning the encrypted cipher text password after the re-encryption to the application program.
Preferably, the application program transmits the key value to the secure connection interface, and the decrypted password is combined with the key value to be encrypted again.
The invention provides a database secure connection method, which comprises the following steps:
password modification: modifying the password in the password library to form a new 3DES ciphertext password;
a safe connection interface calling step: before the application program is connected with the service database, a safe connection interface is called through a packaging method;
SQLPLUS connection step: the safe connection interface is connected with the password library through the SQLPLUS, and a new 3DES ciphertext password in the password library is extracted;
and (3) returning the ciphertext password: the safe connection interface decrypts the received 3DES ciphertext cipher to obtain an application account number cipher, and then encrypts the application account number cipher;
a service database connection step: and the application program receives the application account password returned by the secure connection interface, performs mac verification, and decrypts the returned ciphertext password after passing the mac verification to perform service database connection.
Preferably, the application calls the secure connection interface through http or socket.
Preferably, the secure connection port invoking step includes:
establishing connection: establishing connection between the application program and the safe connection interface, and transmitting keys, tokens, mac, service names, IP, user names and database names to the safe connection interface;
a preliminary verification step: the safety connection interface completes preliminary verification through the acquired token and mac;
and checking again: and the safe connection interface verifies whether the obtained service name, the IP, the user name and the database name are complete or not, if the verification result is complete, the SQLPLUS connection step is carried out, and if the verification result is incomplete, the SQLPLUS connection step is not carried out.
Preferably, the ciphertext password returning step includes:
and (3) analyzing: decrypting the acquired 3DES ciphertext in the password library;
an encryption step: carrying out combined encryption on the decrypted passwords;
a return step: and returning the encrypted cipher text password after the re-encryption to the application program.
Preferably, the application program transmits the key value to the secure connection interface, and the decrypted password is combined with the key value to be encrypted again.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention does not need to reconfigure the application program when the database password is changed, thereby realizing that the application program does not need to modify the configuration and restart when the database password is modified regularly, and ensuring the service continuity.
2. The invention achieves the aim of preventing the password from being leaked by not configuring the password when the application server accesses the database.
3. The invention ensures the security of the password through two encryption and decryption processes.
4. The invention prevents the password from being leaked or cracked by setting the safety connection interface and the database for double guarantee.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a system diagram of a database secure connection system.
Fig. 2 is a flowchart of a database secure connection method provided by the present invention.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
As shown in fig. 1 and fig. 2, according to the system and the method for secure connection of a database provided by the present invention, in the connection between an application program and a service database, a secure connection interface is used to uniformly schedule a password, the application program does not need to configure the password, and simultaneously, online modification of the application password of the database is supported. The invention provides a database security connection system, which comprises the following modules:
a password modification module: modifying the password in the password library to form a new 3DES ciphertext password;
the safe connection interface calls the module: before the application program is connected with the service database, a safe connection interface is called through a packaging method;
SQLPLUS connection module: the safe connection interface is connected with the password library through the SQLPLUS, and a new 3DES ciphertext password in the password library is extracted;
the ciphertext password returning module: the safe connection interface decrypts the received 3DES ciphertext cipher to obtain an application account number cipher, and then encrypts the application account number cipher;
a service database connection module: and the application program receives the application account password returned by the secure connection interface, performs mac verification, and decrypts the returned ciphertext password after passing the mac verification to perform service database connection.
Further, the application program calls the secure connection interface through http or socket.
Further, the secure connection port calling module includes:
establishing a connection module: establishing connection between the application program and the safe connection interface, and transmitting keys, tokens, mac, service names, IP, user names and database names to the safe connection interface;
a preliminary verification module: the safety connection interface completes preliminary verification through the acquired token and mac;
and checking the module again: and the safety connection interface checks whether the obtained service name, the IP, the user name and the database name are complete or not, if the check result is complete, the SQLPLUS connection module is entered, and if the check result is incomplete, the SQLPLUS connection module is not entered.
Further, the ciphertext password returning module comprises:
an analysis module: decrypting the acquired 3DES ciphertext in the password library;
an encryption module: carrying out combined encryption on the decrypted passwords;
a return module: and returning the encrypted cipher text password after the re-encryption to the application program.
Further, the application program transmits a key value to the secure connection interface, and the decrypted password and the key value are combined and encrypted again.
The invention also provides a database security connection method, which comprises the following steps:
password modification: modifying the password in the password library to form a new 3DES ciphertext password;
a safe connection interface calling step: before the application program is connected with the service database, a safe connection interface is called through a packaging method;
SQLPLUS connection step: the safe connection interface is connected with the password library through the SQLPLUS, and a new 3DES ciphertext password in the password library is extracted;
and (3) returning the ciphertext password: the safe connection interface decrypts the received 3DES ciphertext cipher to obtain an application account number cipher, and then encrypts the application account number cipher;
a service database connection step: and the application program receives the application account password returned by the secure connection interface, performs mac verification, and decrypts the returned ciphertext password after passing the mac verification to perform service database connection.
Further, the application program calls the secure connection interface through http or socket.
Further, the secure connection port invoking step includes:
establishing connection: establishing connection between the application program and the safe connection interface, and transmitting keys, tokens, mac, service names, IP, user names and database names to the safe connection interface;
a preliminary verification step: the safety connection interface completes preliminary verification through the acquired token and mac;
and checking again: and the safe connection interface verifies whether the obtained service name, the IP, the user name and the database name are complete or not, if the verification result is complete, the SQLPLUS connection step is carried out, and if the verification result is incomplete, the SQLPLUS connection step is not carried out.
Further, the ciphertext password returning step comprises:
and (3) analyzing: decrypting the acquired 3DES ciphertext in the password library;
an encryption step: carrying out combined encryption on the decrypted passwords;
a return step: and returning the encrypted cipher text password after the re-encryption to the application program.
Further, the application program transmits a key value to the secure connection interface, and the decrypted password and the key value are combined and encrypted again.
To further illustrate the technical solution of the present invention, the database security connection system provided by the present invention includes:
modifying the password in the password library to form a new 3DES ciphertext password;
before an application program is connected with a database every time, a safety connection interface is called through a packaging system, specifically:
and establishing connection between the application program and the safe connection interface, and transmitting keys, tokens, mac, service names, IP, user names, database names and the like to the safe connection interface.
And the safety connection completes preliminary verification through the acquired token and mac.
And then checking whether the obtained service name, IP, user name and database name are complete or not.
The safe connection interface is connected with the cipher database through the SQLPLUS, and 3DES cipher texts in the cipher database are extracted.
The secure connection interface decrypts the 3DES ciphertext password to obtain an application account password, and then encrypts the application account password, specifically:
and decrypting the acquired 3DES ciphertext in the password library.
And encrypting the decrypted password and the key value combination transmitted by the application program.
And transmitting the encrypted cipher text password to the application program.
And the application program receives the parameters returned by the safety connection interface to carry out mac verification, and decrypts the returned ciphertext cipher after passing through the mac verification to carry out service database connection.
The database secure connection method provided by the invention comprises the following steps:
step 1: modifying the password in the password library to form a new 3DES ciphertext password;
step 2: and before the application program is connected with the database every time, calling the safe connection interface by using the packaging method.
The step 2 comprises the following steps:
step 2.1: and establishing connection between the application program and the safe connection interface, and transmitting keys, tokens, mac, service names, IP, user names, database names and the like to the safe connection interface.
Step 2.2: and the safety connection completes preliminary verification through the acquired token and mac.
Step 2.3: and then checking whether the obtained service name, IP, user name and database name are complete or not.
And step 3: the safe connection interface is connected with the cipher database through the SQLPLUS, and 3DES cipher texts in the cipher database are extracted.
And 4, step 4: and the secure connection interface decrypts the 3DES ciphertext password to obtain an application account password, and then encrypts the application account password.
The step 4 comprises the following steps:
step 4.1: and decrypting the acquired 3DES ciphertext in the password library.
Step 4.2: and (4) combining and encrypting the decrypted password and the key value sent in the step (2).
And 4.3, returning the encrypted cipher code after the re-encryption to the application program.
And 5: and the application program receives the parameters returned by the safety connection interface to carry out mac verification, and decrypts the returned ciphertext cipher after passing through the mac verification to carry out service database connection.
The invention supports online modification of the database application password, and the password does not need to be configured when the application server accesses the database, thereby achieving the purpose of preventing the password from being leaked.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. A database secure connection system, comprising:
a password modification module: modifying the password in the password library to form a new 3DES ciphertext password;
the safe connection interface calls the module: before the application program is connected with the service database, a safe connection interface is called through a packaging method;
SQLPLUS connection module: the safe connection interface is connected with the password library through the SQLPLUS, and a new 3DES ciphertext password in the password library is extracted;
the ciphertext password returning module: the safe connection interface decrypts the received 3DES ciphertext cipher to obtain an application account number cipher, and then encrypts the application account number cipher;
a service database connection module: and the application program receives the application account password returned by the secure connection interface, performs mac verification, and decrypts the returned ciphertext password after passing the mac verification to perform service database connection.
2. The database secure connection system of claim 1, wherein the application calls the secure connection interface through http or socket.
3. The database secure connection system of claim 1, wherein the secure connection port calling module comprises:
establishing a connection module: establishing connection between the application program and the safe connection interface, and transmitting keys, tokens, mac, service names, IP, user names and database names to the safe connection interface;
a preliminary verification module: the safety connection interface completes preliminary verification through the acquired token and mac;
and checking the module again: and the safety connection interface checks whether the obtained service name, the IP, the user name and the database name are complete or not, if the check result is complete, the SQLPLUS connection module is entered, and if the check result is incomplete, the SQLPLUS connection module is not entered.
4. The database secure connection system of claim 1, wherein the ciphertext cipher return module comprises:
an analysis module: decrypting the acquired 3DES ciphertext in the password library;
an encryption module: carrying out combined encryption on the decrypted passwords;
a return module: and returning the encrypted cipher text password after the re-encryption to the application program.
5. The system of claim 4, wherein the application transmits a key value to the secure connection interface, and the decrypted password is combined with the key value for re-encryption.
6. A database secure connection method is characterized by comprising the following steps:
password modification: modifying the password in the password library to form a new 3DES ciphertext password;
a safe connection interface calling step: before the application program is connected with the service database, a safe connection interface is called through a packaging method;
SQLPLUS connection step: the safe connection interface is connected with the password library through the SQLPLUS, and a new 3DES ciphertext password in the password library is extracted;
and (3) returning the ciphertext password: the safe connection interface decrypts the received 3DES ciphertext cipher to obtain an application account number cipher, and then encrypts the application account number cipher;
a service database connection step: and the application program receives the application account password returned by the secure connection interface, performs mac verification, and decrypts the returned ciphertext password after passing the mac verification to perform service database connection.
7. The database secure connection method of claim 6, wherein the application program calls the secure connection interface through http or socket.
8. The database secure connection method according to claim 6, wherein the secure connection port calling step includes:
establishing connection: establishing connection between the application program and the safe connection interface, and transmitting keys, tokens, mac, service names, IP, user names and database names to the safe connection interface;
a preliminary verification step: the safety connection interface completes preliminary verification through the acquired token and mac;
and checking again: and the safe connection interface verifies whether the obtained service name, the IP, the user name and the database name are complete or not, if the verification result is complete, the SQLPLUS connection step is carried out, and if the verification result is incomplete, the SQLPLUS connection step is not carried out.
9. The database secure connection method according to claim 6, wherein the ciphertext cipher return step includes:
and (3) analyzing: decrypting the acquired 3DES ciphertext in the password library;
an encryption step: carrying out combined encryption on the decrypted passwords;
a return step: and returning the encrypted cipher text password after the re-encryption to the application program.
10. The method of claim 9, wherein the application program transmits a key value to the secure connection interface, and the decrypted password is combined with the key value for re-encryption.
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| CN112800448A (en) * | 2021-01-28 | 2021-05-14 | 杉德银卡通信息服务有限公司 | Database secure connection method, proxy server and storage medium |
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