Informaton processing system, information processing device, and communication connection method

Abstract

The present invention provides, for a connection from an unspecified communication device, an information processing system, information processing device configuring the information processing system, and communication connection method for between the communication device and the information processing device which are capable of securing communication security while simplifying operation in the communication device. In order to send image data to a multi-function device from a communication terminal device in order to print out the same, the multi-function device generates a one-time password that is limited in period of validity to a period related to the printout so as to display the same together with the SSID of the device itself upon a display unit, whereupon at the communication terminal device, the displayed SSID and the one-time password are input so as to make a connection in order to send image data.

1 .- 27 . (canceled) 
     
     
         28 . An information processing system comprising:
 a communication device sending and receiving information through wireless communication; and   an information processing device connecting to the communication device to send and receive information, and performing predetermined processing on the information sent from the communication device, wherein   the information processing device comprises:   a generating unit generating a one-time password;   an output unit outputting the one-time password generated by the generating unit;   an authentication unit performing authentication processing for communication connection from the communication device based on the one-time password generated by the generating unit;   a receiving unit receiving the information sent from the communication device after authentication; and   a limitation unit limiting a period of the communication connection with the communication device to a period concerning a timing of start or completion of the predetermined processing, and   the communication device comprises:   an obtaining unit obtaining the one-time password;   a connection unit connecting to the information processing device based on the obtained one-time password; and   a sending unit sending information to the information processing device during connection.   
     
     
         29 . The information processing system according to  claim 28 , wherein
 the commutation device and the information processing device sends and receives image data, and   the information processing device executes printing-out as the predetermined processing.   
     
     
         30 . The information processing system according to  claim 28 , wherein
 the communication device and the information processing device sends and receives image data, and   the information processing device executes image reading and sending of image data as the predetermined processing.   
     
     
         31 . The information processing system according to  claim 28 , wherein
 the information processing device further comprises a control unit controlling enablement/disablement of wireless communication,   the output unit outputs the one-time password from the output unit when the control unit enables wireless communication, and   the control unit disables the wireless communication after the predetermined processing is started or completed.   
     
     
         32 . The information processing system according to  claim 28 , wherein
 the authentication unit authenticates communication connection only from one communication device for a single one-time password generated by the generating unit, and   the authentication unit includes a prohibiting unit prohibiting communication connection with another communication device while a connection is being established with said one communication device.   
     
     
         33 . The information processing system according to  claim 28 , wherein
 the information processing device further comprises a disconnection unit disconnecting communication connection with the communication device at a time point when authentication performed by the authentication unit fails.   
     
     
         34 . An information processing system comprising:
 a communication device sending and receiving information through wireless communication; and   an information processing device connecting to the communication device to send and receive information, and performing predetermined processing on the information sent from the communication device,   wherein the information processing device comprises:   a first authentication unit performing authentication processing for communication connection from the communication device based on a predetermined password concerning the communication connection from the communication device;   a generating unit generating a one-time password concerning information receiving from the communication device;   a second authentication unit performing authentication processing for whether or not information can be received from the communication device for performing the predetermined processing, based on the one-time password generated by the generating unit;   an output unit outputting the predetermined password and the one-time password;   a receiving unit receiving the information sent from the communication device after authentication by the second authentication unit; and   a limitation unit limiting a period of the communication connection with the communication device to a period concerning a timing of start or completion of the predetermined processing, and   the communication device comprises:   a password obtaining unit obtaining the predetermined password;   a connection unit connecting to the information processing device based on the obtained predetermined password;   a one-time password obtaining unit obtaining the one-time password;   a password sending unit sending the one-time password, obtained during connection, to the information processing device; and   an information sending unit sending information when authentication based on the one-time password succeeds.   
     
     
         35 . An information processing device comprising:
 an information processing unit connecting to an external device through wireless communication, sending/receiving information and performing predetermined processing on information received from the external device;   a generating unit generating a one-time password;   an output unit outputting the one-time password generated by the generating unit;   an authentication unit performing authentication processing for communication connection from the external device based on the generated one-time password;   a receiving unit receiving the information sent from the external device after authentication; and   a limitation unit limiting a period of the communication connection with the external device to a period concerning a timing of start or completion of the predetermined processing.   
     
     
         36 . An information processing device comprising:
 an information processing unit connecting to an external device through wireless communication, sending/receiving information and performing predetermined processing for information received from the external device;   a first authentication unit performing authentication processing for communication connection from an external device based on a predetermined password concerning the communication connection;   a generating unit generating a one-time password concerning information receiving from the external device;   a second authentication unit performing authentication processing for whether or not information can be received from the external device for performing the predetermined processing, based on the one-time password generated by the generating unit;   an output unit outputting the predetermined password and the one-time password;   a receiving unit receiving the information sent from the external device after authentication by the second authentication unit; and   a limitation unit limiting a period of the communication connection with the external device to a period concerning a timing of start or completion of the predetermined processing.   
     
     
         37 . A method of communication connection between a communication device sending/receiving information through wireless communication and an information processing device connecting to the communication device to send/receive information and performing predetermined processing on the information sent from the communication device, in an information processing system including the communication device and the information processing device, comprising the steps of:
 the information processing device generating a one-time password, and outputting the generated one-time password;   the communication device obtaining the output one-time password, and trying to connect to the information processing device based on the obtained one-time password;   the information processing device performing authentication processing on communication connection from the communication device based on the generated one-time password;   the communication device sending information to the information processing device when authentication for the communication connection succeeds;   the information processing device receiving the information sent from the communication device after authentication; and   the information processing device limiting a period of the communication connection with the communication device to a period concerning a timing of start or completion of the predetermined processing for the received information.   
     
     
         38 . A method of communication connection between a communication device sending/receiving information through wireless communication and an information processing device connecting to the communication device to send/receive information and performing predetermined processing on the information sent from the communication device, in an information processing system including the communication device and the information processing device, comprising the steps of:
 the information processing device outputting a predetermined password concerning communication connection,   the communication device obtaining the output predetermined password, and trying to connect to the information processing device based on the obtained predetermined password,   the information processing device performing authentication processing on communication connection from the communication device based on the predetermined password, generating a one-time password concerning information receiving from the communication device, when authentication for the communication connection succeeds, and outputting the generated one-time password,   the communication device obtaining the one-time password, and sending the one-time password, obtained during connection, to the information processing device,   the information processing device performing authentication processing for whether or not information can be received from the communication device for performing the predetermined processing, based on the one-time password,   the communication device sending information when authentication succeeds,   the information processing device receiving the information sent from the communication device after authentication when the authentication based on the one-time password succeeds, and limiting a period of the communication connection with the communication device to a period concerning a timing of start or completion of the predetermined processing for the received information.