CN111368271A - Method and system for realizing password management based on multiple encryption - Google Patents
Method and system for realizing password management based on multiple encryption Download PDFInfo
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- CN111368271A CN111368271A CN202010161069.8A CN202010161069A CN111368271A CN 111368271 A CN111368271 A CN 111368271A CN 202010161069 A CN202010161069 A CN 202010161069A CN 111368271 A CN111368271 A CN 111368271A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
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Abstract
The invention discloses a method and a system for realizing password management based on multiple encryption, belonging to the field of software development, and aiming at solving the technical problem of realizing safe and reliable password management by using a convenient password management tool, ensuring wide application range of the password management tool and meeting the application requirements of different clients, and adopting the technical scheme that: the method comprises the following specific steps: s1, logging in an encryption client by the user, and storing password information of the user by the encryption client; s2, establishing communication between the encryption client and the server, realizing encryption of user password information, and storing the encrypted password ciphertext to the storage server; s3, the user logs in the decryption client and establishes communication between the decryption client and the server; and S4, the decryption client side decrypts the password ciphertext after acquiring the password information from the server side. The system comprises an encryption client, a decryption client, a storage server and a server.
Description
Technical Field
The invention relates to the field of application software development, in particular to a method and a system for realizing password management based on multiple encryption.
Background
In this information age of rapid development, everyone has various accounts with different sizes, from the login account of the common website and APP to the payment account of the bank, internet bank, etc. closely related to money. Safety issues with accounts are substantial and can be painful. If all accounts use the same password, the security is extremely low, and once the password of one account is revealed, all accounts have no security. If a password is established for each account, the password cannot be remembered until the end.
Most of the current mainstream password encryptors in the market have more or less defects, which are as follows:
firstly, the design is too simple, most password managers only have one duplicate authentication, namely, a user can see account and password plaintext information only by inputting a password management tool to correctly log in an account, and the safety is poor;
secondly, the client is single, does not support many devices, and the suitability is relatively poor.
In summary, how to utilize a convenient password management tool to realize safe and reliable password management, and at the same time, ensure that the password management tool has a wide application range, and can meet the application requirements of different clients is a problem existing in the prior art.
Disclosure of Invention
The technical task of the invention is to provide a method and a system for realizing password management based on multiple encryption, so as to solve the problems of how to realize safe and reliable password management by using a convenient password management tool, ensure wide application range of the password management tool and meet the application requirements of different clients.
The technical task of the invention is realized in the following way, and the method for realizing the password management based on the multiple encryption specifically comprises the following steps:
s1, logging in an encryption client by the user, and storing password information of the user by the encryption client;
s2, establishing communication between the encryption client and the server, realizing encryption of user password information, and storing the encrypted password ciphertext to the storage server;
s3, the user logs in the decryption client and establishes communication between the decryption client and the server;
and S4, the decryption client side decrypts the password ciphertext after acquiring the password information from the server side.
Preferably, the encryption of the password information in step S2 is specifically as follows:
s201, performing authentication access between the encryption client and the server; after the authentication access is successful, the encryption client communicates with the server;
s202, the encryption client receives password information and an encryption key to be stored input by a user, and encrypts the password information input by the user according to an encryption sequence defined by the user through an encryption module selected by the user;
s202, sending the encrypted cipher text to a storage server for storage.
Preferably, the decryption of the cipher text in step S4 is specifically as follows:
s401, the decryption client side and the server side perform authentication access, and after the authentication access is successful, the client side and the server side communicate;
s402, the decryption client side obtains the user password ciphertext information stored in the server side, and decrypts the password ciphertext according to the corresponding decryption sequence through the decryption key input by the user.
Preferably, the server side comprises,
the client access authentication unit is used for carrying out authority authentication with the client, and after the authentication access is successful, the client can communicate with the server;
the encryption module management unit is used for managing the basic encryption module;
the encryption sequence arrangement unit is used for sequentially arranging basic encryption modules (namely encryption modes) provided by the encryption module management unit, multiple encryption is carried out on password information input by a user according to the arranged sequence, multi-user combined encryption is supported, and after the multi-user combined encryption mode is used, multiple users are required during decryption, so that the security of the password is improved;
and the access time recording unit is used for recording the communication history information of the encryption client, the decryption client and the server, wherein the history information comprises when, where, from which ip client and which data is acquired from the server, so that a user can master the action of the account information of the user.
Preferably, the encryption module comprises a biological information encryption module, a symmetric encryption module, an asymmetric encryption module and a freely expandable encryption module;
the biological information encryption module comprises a fingerprint encryption module, a face recognition encryption module and an iris encryption module;
the symmetric encryption module comprises DES, 3DES and AES;
the asymmetric encryption module includes RSA and ECC.
Preferably, the encryption arrangement mode in the encryption sequence arrangement unit at least comprises thinking engineering encryption, symmetric encryption and asymmetric encryption.
Preferably, the storage modes supported by the storage service end include Mysql storage, local storage and MongoDB storage.
A system for password management based on multiple encryption, the system comprising,
the encryption client is used for storing user password information, encrypting the password information to form a password ciphertext and storing the password ciphertext to the storage server;
the decryption client is used for acquiring the password information from the storage server and decrypting the password ciphertext;
the storage server is used for storing the password ciphertext encrypted by the encryption client; the storage mode supported by the storage server comprises Mysql storage, local storage and MongoDB storage;
and the server side is used for establishing communication with the encryption client side and the decryption client side to complete encryption of the password information and decryption of the password information.
Preferably, the server side comprises,
the client access authentication unit is used for carrying out authority authentication with the client, and after the authentication access is successful, the client can communicate with the server;
the encryption module management unit is used for managing the basic encryption module; the encryption module comprises a biological information encryption module, a symmetric encryption module, an asymmetric encryption module and a freely expandable encryption module; the biological information encryption module comprises a fingerprint encryption module, a face recognition encryption module and an iris encryption module; the symmetric encryption module comprises DES, 3DES and AES; the asymmetric encryption module comprises RSA and ECC;
the encryption sequence arrangement unit is used for sequentially arranging the encryption modes provided by the encryption module management unit, multiple encryption is carried out on password information input by a user according to the arranged sequence, multi-user combined encryption is supported, and after the multi-user combined encryption mode is used, multiple users are required during decryption, so that the password security is improved; the encryption arrangement mode in the encryption sequence arrangement unit at least comprises thinking engineering encryption, symmetric encryption and asymmetric encryption;
and the access time recording unit is used for recording the communication history information of the encryption client, the decryption client and the server, wherein the history information comprises when, where, from which ip client and which data is acquired from the server, so that a user can master the action of the account information of the user.
Preferably, the encryption process of the password information is specifically as follows:
(1) the encryption client side and the server side perform authentication access; after the authentication access is successful, the encryption client communicates with the server;
(2) the encryption client receives password information and an encryption key which are input by a user and are to be stored, and encrypts the password information input by the user through an encryption module selected by the user according to an encryption sequence defined by the user;
(3) sending the encrypted cipher text to a storage server for storage;
the decryption process of the cipher text is as follows:
①, the decryption client side and the server side carry out authentication access, and after the authentication access is successful, the client side and the server side carry out communication;
②, the decryption client acquires the user password ciphertext information stored by the server, and decrypts the password ciphertext according to the corresponding decryption order through the decryption key input by the user.
The method and the system for realizing the password management based on the multiple encryption have the following advantages that:
the invention solves the worries of the user about the password manager, supports multiple clients, supports the free arrangement of encryption modes, supports various storage of encrypted ciphertexts, and supports the user-defined decryptor; each user can customize an encryption mode which belongs to the user, only the encryption arrangement mode known by the user is needed, and various problems of user password safety are solved in the aspect of the aspect;
secondly, the technical scheme of the invention has the following conditions for cracking the user password information:
① obtaining all keys used by the user in encryption;
② knows the encryption arrangement sequence used by the user for encryption;
③ know the rules that the user uses in thinking engineering encryption;
④ physical characteristics of the user (if the user is encrypted with biometric information such as a fingerprint);
⑤ decryption client;
the decryption of the ciphertext can be completed only by meeting the conditions, the difficulty of deciphering the password is increased sharply, and the safety of the password information of the user is greatly improved;
third, the user does not need to be limited to a specific client, and various clients can be developed based on the API of the server as long as the client uses the http mode, and the extensibility is extremely strong no matter the mobile phone APP, the Web browser, the computer software and the like;
and (IV) the invention uses the encryption client side to perform multiple encryption and multiple sequence encryption, uses the decryption client side to complete sequence decryption according to the decryption key, uses the server side as the main service, and is convenient for realizing multiple modes of the encryption client side and the decryption client side.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a block diagram of a system for multiple encryption based password management;
FIG. 2 is a block diagram of a process for encrypting cryptographic information and storing the ciphertext;
FIG. 3 is a block diagram of a process for obtaining ciphertext and decrypting ciphertext;
fig. 4 is an exemplary diagram of an encrypted arrangement.
Detailed Description
The method and system for implementing multiple encryption-based password management according to the present invention are described in detail below with reference to the drawings and the embodiments.
Example 1:
the invention relates to a method for realizing password management based on multiple encryption, which comprises the following steps:
s1, logging in an encryption client by the user, and storing password information of the user by the encryption client;
s2, establishing communication between the encryption client and the server, realizing encryption of user password information, and storing the encrypted password ciphertext to the storage server; the storage mode supported by the storage server comprises Mysql storage, local storage and MongoDB storage;
s3, the user logs in the decryption client and establishes communication between the decryption client and the server;
and S4, the decryption client side decrypts the password ciphertext after acquiring the password information from the server side.
As shown in fig. 2, the encryption of the password information in step S2 is specifically as follows:
s201, performing authentication access between the encryption client and the server; after the authentication access is successful, the encryption client communicates with the server;
s202, the encryption client receives password information and an encryption key to be stored input by a user, and encrypts the password information input by the user according to an encryption sequence defined by the user through an encryption module selected by the user;
s202, sending the encrypted cipher text to a storage server for storage.
As shown in fig. 3, the decryption of the cipher text in step S4 is specifically as follows:
s401, the decryption client side and the server side perform authentication access, and after the authentication access is successful, the client side and the server side communicate;
s402, the decryption client side obtains the user password ciphertext information stored in the server side, and decrypts the password ciphertext according to the corresponding decryption sequence through the decryption key input by the user.
Wherein, the server end comprises a server end,
the client access authentication unit is used for carrying out authority authentication with the client, and after the authentication access is successful, the client can communicate with the server;
the encryption module management unit is used for managing the basic encryption module; the encryption module comprises a biological information encryption module, a symmetric encryption module, an asymmetric encryption module and a freely expandable encryption module; the biological information encryption module comprises a fingerprint encryption module, a face recognition encryption module and an iris encryption module; the symmetric encryption module comprises DES, 3DES and AES; the asymmetric encryption module includes RSA and ECC.
The encryption sequence arrangement unit is used for sequentially arranging basic encryption modules (namely encryption modes) provided by the encryption module management unit, multiple encryption is carried out on password information input by a user according to the arranged sequence, multi-user combined encryption is supported, and after the multi-user combined encryption mode is used, multiple users are required during decryption, so that the security of the password is improved; as shown in fig. 4, the encryption arrangement mode in the encryption sequence arrangement unit includes the following three modes:
encryption of thinking engineering: the heart of a defender is not necessary, and the password management tool is not necessarily trusted. Before a user inputs a password to an encryption client, the password is encrypted in the mind according to a certain rule. Such as adding 3 useless characters "abc" after the real password, or reversing the last two bits of the real password, etc. Please not directly input the real password in the encryption client. The thinking engineering encryption can ensure that even if lawbreakers acquire and crack the password in the server, the real password cannot be obtained.
Symmetric encryption: multiple encryption is formed in cooperation with asymmetric encryption or other encryption. Lawless persons need to collect all keys to increase the difficulty of deciphering the password when they want to obtain the password.
Asymmetric encryption: the defender must not be confident, nor must the provider of the server be trusted. It is proposed to use other third party tools to generate asymmetric key pairs (public and private) and then encrypt with the public key, so that even the provider of the server cannot crack your password without knowing the private key.
And the access time recording unit is used for recording the communication history information of the encryption client, the decryption client and the server, wherein the history information comprises when, where, from which ip client and which data is acquired from the server, so that a user can master the action of the account information of the user.
Example 2:
as shown in fig. 1, the system for multiple encryption based password management of the present invention includes,
the encryption client is used for storing user password information, encrypting the password information to form a password ciphertext and storing the password ciphertext to the storage server; the encryption client can be APP, Web, computer client software and the like; the encryption client is interactive software for storing password information by a user;
the decryption client is used for acquiring the password information from the storage server and decrypting the password ciphertext; the decryption client can be APP, Web, computer client software and the like; the decryption client is interactive software for acquiring password information;
the storage server is used for storing the password ciphertext encrypted by the encryption client; the storage mode supported by the storage server comprises Mysql storage, local storage and MongoDB storage;
and the server side is used for establishing communication with the encryption client side and the decryption client side to complete encryption of the password information and decryption of the password information. The server side comprises a server side and a server side,
the client access authentication unit is used for carrying out authority authentication with the client, and after the authentication access is successful, the client can communicate with the server;
the encryption module management unit is used for managing the basic encryption module; the encryption module comprises a biological information encryption module, a symmetric encryption module, an asymmetric encryption module and a freely expandable encryption module; the biological information encryption module comprises a fingerprint encryption module, a face recognition encryption module and an iris encryption module; the symmetric encryption module comprises DES, 3DES and AES; the asymmetric encryption module comprises RSA and ECC;
the encryption sequence arrangement unit is used for sequentially arranging the encryption modes provided by the encryption module management unit, multiple encryption is carried out on password information input by a user according to the arranged sequence, multi-user combined encryption is supported, and after the multi-user combined encryption mode is used, multiple users are required during decryption, so that the password security is improved; the encryption arrangement mode in the encryption sequence arrangement unit at least comprises thinking engineering encryption, symmetric encryption and asymmetric encryption;
and the access time recording unit is used for recording the communication history information of the encryption client, the decryption client and the server, wherein the history information comprises when, where, from which ip client and which data is acquired from the server, so that a user can master the action of the account information of the user.
As shown in fig. 2, the encryption process of the password information is specifically as follows:
(1) the encryption client side and the server side perform authentication access; after the authentication access is successful, the encryption client communicates with the server;
(2) the encryption client receives password information and an encryption key which are input by a user and are to be stored, and encrypts the password information input by the user through an encryption module selected by the user according to an encryption sequence defined by the user;
(3) sending the encrypted cipher text to a storage server for storage;
as shown in fig. 3, the decryption process of the cipher text is as follows:
①, the decryption client side and the server side carry out authentication access, and after the authentication access is successful, the client side and the server side carry out communication;
②, the decryption client acquires the user password ciphertext information stored by the server, and decrypts the password ciphertext according to the corresponding decryption order through the decryption key input by the user.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A method for realizing password management based on multiple encryption is characterized in that the method specifically comprises the following steps:
s1, logging in an encryption client by the user, and storing password information of the user by the encryption client;
s2, establishing communication between the encryption client and the server, realizing encryption of user password information, and storing the encrypted password ciphertext to the storage server;
s3, the user logs in the decryption client and establishes communication between the decryption client and the server;
and S4, the decryption client side decrypts the password ciphertext after acquiring the password information from the server side.
2. The method for implementing multiple encryption-based password management according to claim 1, wherein the encryption of the password information in step S2 is specifically as follows:
s201, performing authentication access between the encryption client and the server; after the authentication access is successful, the encryption client communicates with the server;
s202, the encryption client receives password information and an encryption key to be stored input by a user, and encrypts the password information input by the user according to an encryption sequence defined by the user through an encryption module selected by the user;
s202, sending the encrypted cipher text to a storage server for storage.
3. The method for implementing multiple encryption-based password management according to claim 1, wherein the decryption of the password ciphertext in step S4 is specifically as follows:
s401, the decryption client side and the server side perform authentication access, and after the authentication access is successful, the client side and the server side communicate;
s402, the decryption client side obtains the user password ciphertext information stored in the server side, and decrypts the password ciphertext according to the corresponding decryption sequence through the decryption key input by the user.
4. The method for implementing multiple encryption-based password management according to claim 1, 2 or 3, wherein the server side comprises,
the client access authentication unit is used for carrying out authority authentication with the client, and after the authentication access is successful, the client can communicate with the server;
the encryption module management unit is used for managing the basic encryption module;
the encryption sequence arranging unit is used for arranging the basic encryption modules provided by the encryption module management unit in sequence, and the password information input by the user is subjected to multiple encryption according to the arranged sequence, so that multi-user combined encryption is supported;
and the access time recording unit is used for recording the communication history information of the encryption client, the decryption client and the server, and the history information comprises when, where, from which ip client and which data is acquired from the server.
5. The method for implementing multiple encryption-based password management according to claim 4, wherein the encryption module comprises a biometric information encryption module, a symmetric encryption module, an asymmetric encryption module and a freely expandable encryption module;
the biological information encryption module comprises a fingerprint encryption module, a face recognition encryption module and an iris encryption module;
the symmetric encryption module comprises DES, 3DES and AES;
the asymmetric encryption module includes RSA and ECC.
6. The method as claimed in claim 4, wherein the encryption arrangement of the encryption sequence arrangement unit at least includes thinking engineering encryption, symmetric encryption and asymmetric encryption.
7. The method for implementing cryptographic management based on multiple encryption of claim 1, wherein the storage modes supported by the storage service end include Mysql storage, local storage and MongoDB storage.
8. A system for password management based on multiple encryption, the system comprising,
the encryption client is used for storing user password information, encrypting the password information to form a password ciphertext and storing the password ciphertext to the storage server;
the decryption client is used for acquiring the password information from the storage server and decrypting the password ciphertext;
the storage server is used for storing the password ciphertext encrypted by the encryption client; the storage mode supported by the storage server comprises Mysql storage, local storage and MongoDB storage;
and the server side is used for establishing communication with the encryption client side and the decryption client side to complete encryption of the password information and decryption of the password information.
9. The system for multiple encryption-based password management according to claim 8, wherein said server side includes,
the client access authentication unit is used for carrying out authority authentication with the client, and after the authentication access is successful, the client can communicate with the server;
the encryption module management unit is used for managing the basic encryption module; the encryption module comprises a biological information encryption module, a symmetric encryption module, an asymmetric encryption module and a freely expandable encryption module; the biological information encryption module comprises a fingerprint encryption module, a face recognition encryption module and an iris encryption module; the symmetric encryption module comprises DES, 3DES and AES; the asymmetric encryption module comprises RSA and ECC;
the encryption sequence arranging unit is used for arranging the encryption modes provided by the encryption module management unit in sequence, and the password information input by the user is subjected to multiple encryption according to the arranged sequence, so that multi-user combined encryption is supported; the encryption arrangement mode in the encryption sequence arrangement unit at least comprises thinking engineering encryption, symmetric encryption and asymmetric encryption;
and the access time recording unit is used for recording the communication history information of the encryption client, the decryption client and the server, and the history information comprises when, where, from which ip client and which data is acquired from the server.
10. The system for multiple encryption-based password management according to claim 8, wherein the encryption process of the password information is specifically as follows:
(1) the encryption client side and the server side perform authentication access; after the authentication access is successful, the encryption client communicates with the server;
(2) the encryption client receives password information and an encryption key which are input by a user and are to be stored, and encrypts the password information input by the user through an encryption module selected by the user according to an encryption sequence defined by the user;
(3) sending the encrypted cipher text to a storage server for storage;
the decryption process of the cipher text is as follows:
①, the decryption client side and the server side carry out authentication access, and after the authentication access is successful, the client side and the server side carry out communication;
②, the decryption client acquires the user password ciphertext information stored by the server, and decrypts the password ciphertext according to the corresponding decryption order through the decryption key input by the user.
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