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Dynamic token initializing method and device

A dynamic token and initialization technology, applied in the field of information security, to improve efficiency and security, and facilitate the initialization process

Active Publication Date: 2013-01-23
北京明华联盟科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The main purpose of the present invention is to provide a method and device for dynamic token initialization, aiming to solve a series of problems caused by manual input of dynamic token initialization

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  • Dynamic token initializing method and device
  • Dynamic token initializing method and device

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Embodiment Construction

[0027] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0028] refer to figure 1 , figure 1 is a schematic flow chart of the first embodiment of the method for dynamic token initialization of the present invention; figure 1 As shown, the method for dynamic token initialization of the present invention includes the following steps:

[0029] Step S01, receiving and storing the first data including the serial number, current time and protection key information, decrypting the protection key information according to the fixed key to obtain the protection key;

[0030] When the dynamic token is initialized, it receives the first data including at least the serial number, current time and protection key information, and uses ...

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Abstract

The invention discloses a dynamic token initializing method, which comprises the following steps of: receiving and storing first data comprising a sequence number, current time and protection key information and decrypting the protection key information according to a fixed key to obtain a protection key; and receiving second data comprising a checking key ciphertext and a seed dispersion key ciphertext, decrypting the ciphertexts in the second data according to the protection key to obtain a checking key and a seed dispersion key and storing the checking key and the seed dispersion key. The invention also discloses a dynamic token initializing device. According to the invention, due to adoption of the method comprising the steps of receiving and storing the first data comprising the sequence number, the current time and the protection key information, obtaining the protection key according to the protection key information, acquiring the checking key and the seed dispersion key according to the protection key and storing the checking key and the seed dispersion key, the beneficial effect that manual input is not needed when a dynamic token is initialized is achieved, the dynamic token initializing efficiency and safety are improved and the dynamic token initializing process is more convenient.

Description

technical field [0001] The present invention relates to the technical field of information security, in particular to a method and device for dynamic token initialization. Background technique [0002] A dynamic token is a terminal used to generate a dynamic password. The dynamic password can confirm the legal identity of the user, thereby ensuring the security of the user's business access on the basis of the user logging in with a legal identity. Dynamic password authentication technology is considered to be one of the most effective ways to solve user identity authentication at present, so it is widely used in various information system scenarios such as banking, securities, third-party payment, and large enterprises. [0003] Most of the dynamic tokens in the prior art adopt a symmetric key system, and the encryption and decryption keys of this key system are the same; therefore, the security of the dynamic token depends entirely on the key, and once the key leaks, the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/32
Inventor 陈柳章
Owner 北京明华联盟科技有限公司
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