The authentication method of External memory equipment, equipment and system

The authentication method of External memory equipment, equipment and system

  • CN 101,542,452 B
  • Filed: 10/04/2006
  • Issued: 04/20/2016
  • Est. Priority Date: 10/04/2006
  • Status: Active Grant
First Claim
Patent Images

1. , to an authentication method for the external USB flash memory device be connected on a port of the first main frame on network, described method comprises:

  • Described first main frame and described external USB flash memory device carry out authentication handshake, search the authenticate key from described external USB flash memory device, wherein, correct authenticate key stores in a lookup table, described look-up table comprises restriction, and described restriction is used for the application-specific of network or the access of particular data;

    If described authenticate key is not correct authenticate key, described external USB flash memory device is electrically disconnected by described first main frame;

    If described authenticate key is correct authenticate key and is provided within first schedule time, allow to utilize described external USB flash memory device to the access of the first main frame;

    In the following manner authenticate key is distributed to the external USB flash memory device not carrying out initial authentication in advance;

    inquire whether the described external USB flash memory device not carrying out initial authentication in advance distributes authenticate key, if obtain the response of affirmative within the second predetermined time, check described mark of not carrying out the external USB flash memory device of initial authentication in advance;

    Described mark is selected from;

    external USB flash memory device identifies, user ID, host identification, and network terminal identification;

    If described mark of not carrying out the external USB flash memory device of initial authentication is in advance all available, distribute correct authenticate key to the described external USB flash memory device not carrying out initial authentication in advance;

    Wherein due to for correct authenticate key, be limited in application-specific or particular data to the access of network, when correct authenticate key is assigned with, restriction is the mark according to described external USB flash memory device.

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