USB key

The utility model discloses a USB key, this USB key includes: the casing, its inside closed chamber that forms, fingerprint chip, set up in in the closed chamber for gather user's fingerprint, and with the processing of comparing of user's fingerprint of gathering and the key fingerprint that sets up in advance, the USB interface, set up in the front end department of casing, and with fingerprintchip connects. The utility model provides a USB key with fingerprint chip set up in the terminal and holding of USB in the closed chamber of casing, play fine guard action to fingerprint chip, simplestructure, convenient to carry, user set up key fingerprint and storage in advance in fingerprint chip, during the use, fingerprint chip compares the user fingerprint of user on the USB casing of gathering with the key fingerprint, accomplish safety certificate when both mate, convenience simple to use, security performance height. 本实用新型公开了种USB钥匙，该USB钥匙包括：壳体，其内部形成密闭腔室；指纹芯片，设置于所述密闭腔室内，用于采集用户指纹，并将采集的用户指纹与预先设置的密钥指纹进行比对处理；USB接