Method and server for user password management
A user password and server technology, applied in the computer field, can solve the problems of consuming storage space, consuming input and output, and high consumption, and achieves the effect of solving poor security, ensuring privacy, and saving storage space.
Active Publication Date: 2020-06-16
HUAWEI TECH CO LTD
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Problems solved by technology
[0004] In the process of implementing the present invention, the inventor found that the above-mentioned process has at least the following problems: since the salt value needs to be stored in association with the user ID and password ciphertext after encrypting the password, this leads to a certain amount of storage space being consumed when storing the salt value
In particular, when there are many encrypted passwords, the server needs to consume a lot of storage resources to store the salt value corresponding to each password, and also needs to obtain the corresponding salt value from the storage resources during authentication, thus consuming a lot of input and output (I / O) resources
Method used
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[0082] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Please refer to Figure 1A , which shows a schematic diagram of the implementation environment involved in various embodiments of the present invention. Such as Figure 1A As shown, the implementation environment includes a UE 110 and a server 120 .
[0083] The UE 110 may be a terminal such as a mobile phone, a tablet computer, a desktop computer or a notebook computer, and a user may send a user registration request or a user authentication request to the server 120 through the UE 110 . UE 110 may be connected to server 120 through a wired or wireless network. There may be one UE 110, or there may be multiple UEs, and this embodiment does not limit the number...
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Embodiments of the present invention relate to the field of computers, and disclose a user password management method and server. The method comprises: upon receiving a user registration request including a user ID and password, generating, according to a salt value, salt value extension information, and joining, according to a predetermined order, the salt value and the salt value extension information to be salt value information; and after the password is encrypted, simply associatively storing the user ID and twice-encrypted second ciphertext without storing the salt value. The present invention addresses the problem of the prior art in which a large storage space is occupied on a server for storing salt values. In addition, since salt values are not required to be stored, the present invention prevents an attacker from stealing a salt value and establishing a rainbow table attack to crack a user password.
Description
technical field [0001] The embodiment of the present invention relates to the field of computer technology, in particular to a user password management method and server. Background technique [0002] In the era of big data, in order to prevent unauthorized access to information resources in the big data system, users need to be authenticated before accessing the big data system. An existing user authentication method is an authentication method based on a user identification (Identification, ID) and a password. In actual implementation, in order to ensure the security of the password, it is usually necessary to encrypt the password during user registration. [0003] An existing method for user registration includes: receiving a user registration request, which carries a user ID and a password; generating a random number as a salt value; encrypting the password according to the salt value to obtain a password ciphertext; ID, password ciphertext, and salt value association ...
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IPC IPC(8): H04L9/14H04L9/08H04L9/06
CPCH04L9/0643H04L9/0869H04L9/14
Inventor 欧锻灏
Owner HUAWEI TECH CO LTD