US 9,811,647 B2
Electronic device, method and storage medium
Toshitaka Sanada, Ome Tokyo (JP); and Akihiro Koga, Ome Tokyo (JP)
Assigned to Kabushiki Kaisha Toshiba, Tokyo (JP)
Filed by Kabushiki Kaisha Toshiba, Minato-ku, Tokyo (JP)
Filed on Oct. 30, 2015, as Appl. No. 14/928,019.
Claims priority of provisional application 62/134,978, filed on Mar. 18, 2015.
Prior Publication US 2016/0275273 A1, Sep. 22, 2016
Int. Cl. G06F 21/34 (2013.01); G06F 21/31 (2013.01); G06F 21/82 (2013.01); G06F 21/73 (2013.01)
CPC G06F 21/31 (2013.01) [G06F 21/73 (2013.01); G06F 21/82 (2013.01)] 15 Claims
OG exemplary drawing
 
1. An electronic device comprising:
a non-volatile memory;
two or more connectors configured to connect to external devices; and
circuitry configured to:
perform a registration function for an alternative password, the registration function comprising:
acquiring identification data items for the external devices;
providing a user interface to allow a user to select, based at least in part on the identification data items for the external devices, a connection order of the external devices to be designated as the alternative password; and
storing the alternative password in the nonvolatile memory; and
perform a function for authenticating the user based on the alternative password if the alternative password has been previously registered, the authenticating function comprising:
detecting that the external devices are connected to the two or more connectors; and
authenticating the user and providing access to the electronic device if the order in which the external devices are connected to the two or more connectors corresponds to the alternative password.