JP2002149263A - Electronic device, and its program and storage medium - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the resource consumption of an electronic device and to simplify its recording by recording peripheral image information of the device only when illegal use needs to be determined. SOLUTION: The electronic device is equipped with a first memory (14) which stores parameters showing conditions regarding the illegal use of the device and a control part which makes a second memory (15) store image information obtained by an imaging unit picking up an image of the user of the device when the conditions indicated by the parameters are met. The control part controls the output of the image information stored in the second memory according to an output indication and instructs a BIOS setup program to read the parameters out of the first memory and record the image information onto the second memory. Further, the operating system program of the device indicates the setting and alteration of the parameters in the first memory through an interface prepared for the BIOS program.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic device, a program, and a medium on which the program can be specified when a user who is not permitted to access the device accesses the device. The present invention relates to an electronic device capable of recording a situation around a system as image information, a program thereof, and a medium recording the program.

[0002]

2. Description of the Related Art A conventional electronic device, for example, a personal computer system (hereinafter referred to as a PC system) is provided with a protection mechanism to prevent unauthorized use. This protection mechanism is provided on the premise that the user is known to the user on the system side, and identifies the user when logging on the system. This identification usually involves identifying something that the user knows, has, or is something about.

[0003] Most commonly, password entry is used. Further, there is also one that is identified by a signature pattern. In addition, as a method of specifying a user using a terminal device, identification using a fingerprint, a palm print, a handprint, a retinal pattern, a voice, or the like has been developed.

[0004]

As described above, the PC
There are various methods in the system for preventing a user who is not originally permitted to access from illegally using the system. However, for example, when a password is input, it is possible to keep a record of unauthorized use of the password, but it is difficult to identify the user.

[0005] In order to identify an unauthorized user, visual information on the appearance of the user is very useful. by the way,
As seen in automatic teller machines, as a security system, a camera is installed near the device and monitored, but this security system must be installed separately from the device. Is costly. In addition, visual information can be recorded and monitored, but this system always records and requires a large-capacity recording medium.

Therefore, there is a problem in applying this security system to a PC system. In particular, in the case of a battery-operated PC system, it is necessary to always operate the battery system as a power source in a normal operation in order to constantly record visual information, thereby shortening the operable time of the PC system. Would. It is necessary to be able to easily record the situation around the system while the PC system is running as image information.

Accordingly, an object of the present invention is to make it possible to identify an unauthorized user of an apparatus with reduced resource consumption. It is another object of the present invention to allow a user to check the information on the PC system without using an application program. Another object of the present invention is to enable recording of image information not only from a BIOS setup program but also from an operating system or an application program.

[0008]

In order to solve such a problem, according to the present invention, in an electronic device, a first memory storing at least a parameter indicating a condition relating to unauthorized use of the device is provided. A control unit that stores, in a second memory, image information obtained by an imaging device that has imaged a user of the device when the indicated condition is satisfied.

The control unit controls the output of the image information stored in the second memory according to an output instruction. Further, the control unit instructs a BIOS setup program to read the parameters in the first memory and record the image information in the second memory, and an interface prepared in the BIOS program And instructing the operating system program of the apparatus to set / change the parameters in the first memory via the PC.

According to the present invention, there is provided a program for causing a computer to execute the use of an electronic device.
Reading at least a parameter indicating a condition related to unauthorized use of the electronic device stored in the memory of the electronic device, determining a satisfaction of the condition, and capturing an image of a user of the device when the condition is satisfied. Storing the image information by the imaging device in the second memory, and recording the program on a computer-readable recording medium.

[0011]

Embodiments of the present invention will be described with reference to the drawings. Here, on behalf of the electronic device, a PC
The case of the system will be described. FIG. 1 shows a schematic block configuration of a PC system to which the present embodiment is applied. The PC system mainly includes a system controller 1, a display controller 2, a disk controller 3, a keyboard controller 4, and an I / O controller 5. And a USB controller 6, which is an interface for connecting peripheral devices, and are connected to each other via a bus. Further, a power supply unit 7 is provided to supply power to the entire system.

The system controller 1 includes a CPU 8 and a DR
It has a main storage device 9 which is an AM, and a hard disk 10 is connected to the disk controller 3. I / O
The controller 5 includes a serial port 11, a parallel port 12, and a flexible disk drive 13. The non-volatile memory (C
(MOSRAM) 14 and a flash memory 15 used in the BIOS. A non-volatile memory 14 is connected to a backup battery 16.

Here, the PC system according to the present embodiment is characterized in that the camera 17 is connected to the USB controller 6. As the camera 17, a CCD camera, a digital camera, or the like can be used as long as image data can be obtained digitally. When the user uses this PC system, it is normal to operate the keyboard 18 toward the display 19, so that the camera 17 is oriented from the display 19 side to the user. It is good to be installed in the end of 19, etc. Camera 1
Reference numeral 7 may be set as long as the user's face and the like are projected and image data can be acquired even if the user is away from the PC system body.

In a notebook computer with a built-in CCD camera, the built-in camera may be used. Therefore, in the present embodiment, even if a person who intends to use the PC system is, for example, a user who is not originally permitted to access, the camera 17 provided in the PC system is activated when the PC system is started. Then, the face of the user was photographed, and the image was recorded in the PC system. Then, by displaying the recorded image on the display 19 of the PC system and confirming the face of the user, it is easy to determine whether or not the user is authorized to access (whether it is unauthorized use). it can.
Further, instead of displaying the image on the display 19, the recorded image may be printed out.

The timing of photographing and recording the user's face is, for example, when the power is turned on, when the BIOS setup program is started, when an unauthorized password is entered, or when the computer is resumed. At such timing, a data area is reserved in each of the nonvolatile memory 14 and the flash memory 15 of the PC system so that image information can be obtained from the camera 17. FIG. 2 shows a specific example thereof.

The nonvolatile memory 14 stores setting information for controlling a recording timing, a format of image information to be recorded, and a writing method of the image information. Parameter 1 is for controlling the recording timing of the image information, and the storage size is 1 byte. According to the value, data for instructing the BIOS program to record image information at the time of power-on, at the time of resuming, at the time of starting the BIOS setup program, or at the time of inputting an unauthorized password are stored.

Parameter 2 controls the format of the image information to be recorded.
Bytes. Data for instructing the BIOS program the number of pixels or the number of colors of image information to be recorded according to the value is stored. Parameter 3 is for controlling the writing method of the image information, and the storage size is 1 byte. Data for instructing the BIOS program to overwrite or additionally write image information in accordance with the value is stored.

The flash memory 15 is an area for storing data relating to image information to be recorded, and stores an image data management header and image data. The image data management header is management information of the image data,
The size is 4 bytes. Holds a pointer to the first image data. The image data includes a pointer to the next image data, the time and timing when the image data was recorded, the format of the image data itself, and the data.

The size of the data is variable depending on the format. When the writing method is additional writing, there are a plurality of image data. Also, to manage multiple image data,
Each image data holds a pointer to the next image data. Next, a software interface for instructing the BIOS program according to the value set in the nonvolatile memory 14 will be described.

FIG. 3 shows an example of a software interface prepared by the BIOS program. The BIOS program prepares a data structure having a specific signature in the system BIOS area, and embeds an entry address for each interface in, for example, a 32-bit protected mode in the data structure, so that the application program can set an entry point. You can know.

The application program can execute each function by calling the found entry point with the same calling interface as the C language shown in FIG. Each interface has a function for returning the current setting and a function for changing the setting. The BIOS program returns or changes the stored contents of the parameters 1 to 3 in the nonvolatile memory 14 shown in FIG. 2 for each function.

FIG. 4 is a screen display example of the BIOS setup program. The timing for recording image information can be set to one or more of four setup items: “when power is turned on”, “when resume”, “when BIOS setup is started”, and “when password is incorrectly input”. FIG. 4 shows that image information is recorded when a password is illegally input. These settings are reflected in the parameter 1 in the nonvolatile memory 14.

"Image size" and "image color number" are items for setting the format of the image information to be recorded. The image size is 640.times.48 pixels.
0 and the number of colors is 256 colors. These settings are reflected in the parameter 2 in the nonvolatile memory 14. The “recording mode” is an item for setting a writing method, and is set to additional recording in FIG. This setting
This is reflected in the parameter 3 in the nonvolatile memory 14.

"Display of image recording" is for displaying the recorded image information in the BIOS setup program. In this item, when the enter key on the keyboard 18 is pressed, an image recording display window as shown in FIG. 5 appears on the display of the PC system, and the image information is displayed together with the recorded time and timing information.

"Display previous data" and "display next data" become selectable when additional data is specified in a setting item and a plurality of data are recorded. Can be selected by key operation. When "Return" is selected, the screen of FIG. 4 can be returned.
“Delete image record” is for deleting recorded image information. In this item, the image information is deleted by pressing the enter key.

FIGS. 6 to 9 show the processing flow of the entry part in the recording processing of the image information. In any case, the BIOS program acquires the parameter 1 stored in the nonvolatile memory 14, determines whether or not the image recording process is necessary, and calls the image information recording process program if necessary. . FIG. 6 shows a processing flow of an entry portion in a case where image information is recorded when the power is turned on. in this case,
When the user turns on the power to activate the PC system, the image information is automatically recorded. And later,
By displaying the record information on the display, it is possible to confirm who has used the PC system.

First, when the power is turned on to start the PC system, the BIOS program is started and the nonvolatile memory 14 is scanned. At this time, parameter 1
To read the setting item (1), and obtain parameter 1 (step S1). In the example of FIG. 4, the acquired parameter 1 is set to “record” when the password input is incorrect, and is set to “not record” when the power is turned on (step S2). No recording is required (N), and the PC system startup processing is continued without recording the peripheral image.

The processing at the time of starting the setup shown in FIG. 7 is the same as the processing at the time of turning on the power shown in FIG. In the example of FIG. 4, recording is not required at the time of starting up the setup (N in step S4), and the startup processing of the PC system is continued without recording the peripheral image. FIG. 8 shows a process performed when a password is incorrectly input. In this case, the acquisition of the parameter 1 in step S1 is performed as shown in FIG.
7 and the process of step S1 in FIG. In the example of FIG. 4, "record" when the password input is incorrect.
Is set (step S5), it is determined that recording of the peripheral image is necessary when the password is incorrectly input (Y), and the image information recording process is started (step S3).

Although details of the image information recording process will be described later, a peripheral image, for example, an image of a user's face or the like is acquired from the camera 17 via the USB controller 6 and recorded in the flash memory 15 described above. The processing shown in FIGS. 6 to 8 is mainly executed when the PC system is started up. In addition, as shown in FIG.
A peripheral image can be recorded when the system is resumed.

The processing in step S1 is the same as step S1 shown in FIGS. Then, step S6
If the setting of the parameter 1 acquired in step S1 is the resume time, it is determined that the peripheral image needs to be recorded at that time (Y), and the image information recording process of step S3 is executed. In the case of the example in FIG. 4, it is determined that recording is not necessary (N), and the processing after resume is continued.

Here, step S in FIGS.
FIG. 10 shows a detailed flow in the image information recording process of No. 3. When it is determined that the peripheral image needs to be recorded, first, the content of the format of the peripheral image to be recorded is obtained from the parameter 2 stored in the nonvolatile memory 14 (step S11). In the example of FIG. 4, the size of the image is specified to be 640 × 480 pixels, and the number of colors of the image is specified to be 256 colors. These designations are read from parameter 2.

The camera 17 is properly initialized from the system controller 1 via the USB controller 6 so as to obtain image information of the designated format (step S12). When the initialization of the camera 17 is completed, the camera 17 is instructed to capture image information (step S13). When the capture of the image information is completed, the captured image information in the camera 17 is read out to the main storage device 8 and captured.

Image data is created based on the obtained image information and stored in the flash memory 15 (step S14). The recorded time, timing, and format information are also stored in the image data. Further, compression of image data is performed as needed. Here, the parameter 3 stored in the non-volatile memory 14 is obtained (step S15). In this step, the writing mode of the created image data is read, and it is checked whether or not the writing mode is instructed to be added (step S16).

As shown in the example of FIG. 4, the recording mode is "append".
Is set to (Y), the newly created image data is inserted at the head of the already recorded image data.
That is, the pointer stored in the pointer to the first image data in the management header at that time is stored in the pointer to the next image data in the image data (step S17).

Then, the pointer to the first image data in the image data management header is replaced with a pointer to the newly created image data and changed (step S2).
0). On the other hand, if it is determined in step S16 that the write mode of the parameter 3 is set to overwrite (N), 0 is stored in the pointer to the next image data in the created image data (step S18). Here, 0 indicates that there is no subsequent data.

At that time, the image data pointed by the pointer to the first image data in the management header is deleted (step S18). After deleting the image data,
As in the case of the additional recording, the process proceeds to step S20, and the pointer to the first image data in the management header is changed to the pointer to the newly created image data. As described above,
At the time selected when powering on the PC system, when starting up the BIOS setup program, when entering an unauthorized password, or when resuming, the peripheral image information is automatically acquired from the camera provided near the PC system and recorded in the memory. I was able to keep it.

In the flow of the image information recording process shown in FIG. 10, the camera is initialized in step S12 in accordance with the parameters stored in the nonvolatile memory. Instructs to import. However, when the present invention is implemented using a camera that transmits video to a PC in real time, parameters corresponding to the format of the video transmitted from the camera may be stored in a nonvolatile memory in advance. Good.

Then, in place of the camera initialization processing in step S12 and the processing for instructing the camera to capture image information in step S13, processing for capturing the video transmitted from the camera is executed. do it. Then, the transmitted video signal is recorded in the memory as a still image in accordance with the recording timing of the parameter. Further, it is also possible to hold the image information captured by the camera for a certain period of time and take in a still image of the held image information into the PC according to the recording timing of the parameter.

Even in this case, the peripheral image information taken by the camera can be automatically taken into the PC. In addition,
The recording timing of the peripheral image information can be set to an arbitrary recording timing by a user who is permitted to access in addition to the above. For example, the peripheral image information is acquired at regular intervals.

In the above-described embodiment, the image data of the peripheral image information is recorded in the flash memory used by the BIOS program. However, if the storage capacity becomes insufficient due to additional writing of the peripheral image information, the flash memory is used. Use a memory with a large capacity. The recording of the peripheral image information may be another nonvolatile memory. Further, a volatile memory supplied by a backup battery may be used.

Further, an example has been shown in which a non-volatile memory for recording the recording timing and a flash memory for recording image data are used separately from the recording apparatus. However, a single recording apparatus may be used. Good. According to the present embodiment, by recording the peripheral image information including the user as information useful for identifying a person who has used illegally,
Security measures against theft and unauthorized use can be strengthened. Further, the present invention is not limited to the PC as exemplified in the present embodiment, but can be applied to other electronic devices.

Further, since it is not necessary to prepare a specific operating system or application program for recording the peripheral image including the user, the use and maintenance are easy. Further, a recording method can be set at an application program level using a GUI on an operating system that the user is familiar with. In addition, system management such as remote maintenance becomes easy. (Supplementary Note 1) A first electronic device that stores at least a parameter indicating a condition related to unauthorized use of the device.
And a control unit that stores, in a second memory, image information obtained by an imaging device that images a user of the device when a condition indicated by the parameter is satisfied. (Supplementary Note 2) The control unit may perform the second
To control output of image information stored in memory
An electronic device according to claim 1. (Supplementary Note 3) The electronic device according to Supplementary Note 1, wherein the control unit instructs that a BIOS setup program reads the parameters in the first memory and records the image information in the second memory. . (Supplementary Note 4) The supplementary note 3, wherein the control unit instructs to set / change the parameters in the first memory with an operating system program of the device via an interface prepared in the BIOS program. An electronic device as described. (Supplementary Note 5) The electronic device according to Supplementary Note 3, wherein the control unit instructs the BIOS program with the operating system program to output the image information recorded in the second memory. (Supplementary Note 6) The electronic device according to Supplementary Note 1, wherein a recording timing indicating a condition for acquiring image information is selectively set and stored as the parameter in the first memory. (Supplementary Note 7) The second memory records an image data management header, recording time, recording timing, recording format, and image data related to the image information in the second memory.
An electronic device according to claim 1. (Supplementary Note 8) The electronic device according to Supplementary Note 6, wherein the recording timing of the image information is when the power of the device is turned on. (Supplementary note 9) The electronic device according to supplementary note 6, wherein the recording timing of the image information is at the time of starting the BIOS program. (Appendix 10) The electronic device according to Appendix 6, wherein the recording timing of the image information is a time when the apparatus is resumed. (Supplementary Note 11) The recording timing of the image information is
7. The electronic device according to claim 6, wherein an unauthorized password is input to the device. (Supplementary Note 12) The electronic device according to supplementary note 6, wherein a format and a writing method for acquiring image information are selectively set and stored as the parameters in the first memory. (Supplementary Note 13) The electronic device according to Supplementary Note 12, wherein a method of writing the image data into the second memory is overwriting or appending. (Supplementary Note 14) A program to be executed by a computer capable of identifying a user of the electronic device, the method comprising: reading a parameter stored in the first memory, the parameter indicating at least a condition relating to unauthorized use of the electronic device; A program to be executed by a computer, comprising: a step of judging establishment; and, when the condition is satisfied, a step of storing, in a second memory, image information of an imaging device that has taken an image of a user of the device. (Supplementary note 15) A program executed by the computer according to supplementary note 14, including a step of controlling output of the image information stored in the second memory according to the output instruction. (Supplementary Note 16) The computer according to Supplementary Note 14, including a step of instructing a BIOS setup program to read the parameters in the first memory and record the image information in the second memory. program. (Supplementary note 17) The computer according to Supplementary note 16, including a step of instructing setting and change of the parameter in the first memory by an operating system program of the device via an interface prepared in the BIOS program. Program to let. (Supplementary note 18) A program for causing a computer according to supplementary note 16 to include a step of instructing the BIOS program by the operating system program to output the image information recorded in the second memory. (Supplementary note 19) A program executed by a computer according to supplementary note 16, including a step of recording an image data management header, recording time, recording timing, recording format, and image data for the image information in the second memory. (Supplementary Note 20) The recording timing of the image information is
Supplementary note 16 including a step which can be selectively set when turning on the power of the device, starting the BIOS program, resuming the device, or inputting an unauthorized password to the device.
A program to be executed by the computer according to the above. (Supplementary note 21) The computer according to supplementary note 16, including a step of selectively setting and storing a recording timing, a format, and a writing method indicating a condition for acquiring image information as the parameter in the first memory. Program to be executed. (Supplementary note 22) A program to be executed by a computer according to supplementary note 21, wherein a method of writing the image data into the second memory is overwriting or additional writing. (Supplementary Note 23) The computer reads out at least a parameter stored in the first memory, the parameter indicating a condition related to unauthorized use of the electronic device, determines whether the condition is satisfied, and, when the condition is satisfied, sets the computer to A computer-readable recording medium on which a program for causing a second memory to store image information of an imaging device that images a user is stored. (Supplementary note 24) The computer-readable recording medium according to supplementary note 23, in which a program for controlling output of image information stored in the second memory in accordance with an output instruction is recorded. (Supplementary Note 25) The computer readout according to Supplementary Note 23 in which a program instructing the BIOS setup program to read the parameters in the first memory and record the image information in the second memory is recorded. Possible recording medium. (Supplementary Note 26) Supplementary note 2 in which a program for instructing setting / change of the parameter in the first memory is recorded by an operating system program of the device via an interface prepared in the BIOS program.
6. The computer-readable recording medium according to 5. (Supplementary note 27) The computer-readable recording medium according to supplementary note 25, wherein a program for instructing the BIOS program by the operating system program to output the image information recorded in the second memory is recorded. (Supplementary note 28) The computer-readable recording medium according to Supplementary note 25, wherein the second memory stores an image data management header for the image information, a recording time, a recording timing, a recording format, and a program for recording image data. . (Supplementary Note 29) The recording timing of the image information is
26. The computer-readable recording medium according to claim 25, wherein a program that can be selected and set from when the apparatus is turned on, when the BIOS program is started, when the apparatus is resumed, and when an unauthorized password is input to the apparatus is recorded. (Supplementary Note 30) The program according to Supplementary Note 25, wherein a program in which a recording timing, a format, and a writing method indicating conditions for acquiring image information are selectively set and stored as the parameter is stored in the first memory. Computer readable recording medium. (Supplementary note 31) The computer-readable recording medium according to supplementary note 30, in which a program in which the image data is written to the second memory is a program that is overwritten or additionally recorded. (Supplementary Note 32) At least a parameter indicating a condition relating to unauthorized use of the device, which is stored in the first memory, is read, and whether the condition is satisfied is determined. When the condition is satisfied, a user of the device is imaged. An information control method for storing image information obtained by an imaging device in a second memory. (Supplementary note 33) The image information control method according to Supplementary note 32, in which a BIOS setup program instructs reading of the parameter in the first memory and recording of the image information in the second memory. (Supplementary note 34) The image information control according to supplementary note 33 instructing that the operating system program of the device sets or changes the parameter in the first memory via an interface prepared in the BIOS program. Method. (Supplementary note 35) The image information control method according to supplementary note 33, wherein the operating system program instructs the BIOS setup program to output the image information recorded in the second memory. (Supplementary Note 36) The second memory records an image data management header, a recording time, a recording timing, a recording format, and image data related to the image information in the second memory.
3. The image information control method according to item 2. (Supplementary Note 37) The recording timing of the image information is
The image information control according to attachment 33, wherein the user can select and set any one of a power-on of the device, a start-up of the BIOS setup program, a resumption of the device, an input of an unauthorized password to the electronic device, or a plurality of them. Method. (Supplementary Note 38) The image information control according to Supplementary Note 32, wherein the first memory is configured to selectively set and store a recording timing, a format, and a writing method indicating a condition for acquiring image information as the parameter. Method. (Supplementary note 39) The image information control method according to supplementary note 38, wherein a method of writing the image data into the second memory is overwriting or additional writing.

[0043]

According to the present invention, the image of the user (peripheral image information) is obtained only at the timing when the unauthorized use should be judged.
Is recorded, so that the resources of the apparatus are not unnecessarily consumed. Also, the recorded peripheral image information can be confirmed on the PC system without using a specific operating system or application program, and the recording of the peripheral image information is performed not only by the BIOS setup program but also by the operating system or application. The operation can be simplified so that it can be set from a program.

[Brief description of the drawings]

FIG. 1 is a diagram showing a schematic block configuration of a personal computer system.

FIG. 2 is a diagram showing a specific example of a data area reserved in a memory.

FIG. 3 is a diagram showing a specific example of a software interface prepared by a BIOS program.

FIG. 4 is a diagram illustrating a screen display example of a BIOS setup program.

FIG. 5 is a diagram showing a specific example of a window for displaying image recording information.

FIG. 6 is a processing flowchart of an entry portion in an image recording process when the power is turned on.

FIG. 7 is a processing flowchart of an entry part in the image recording processing at the time of starting up the setup.

FIG. 8 is a processing flowchart of an entry portion in an image recording process when an illegal password is input.

FIG. 9 is a processing flowchart of an entry part in image recording processing at the time of resume.

FIG. 10 is a processing flowchart relating to recording processing of image information.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... System controller 2 ... Display controller 3 ... Disk controller 4 ... Keyboard controller 5 ... I / O controller 6 ... USB controller 7 ... Power supply unit 8 ... CPU 9 ... Main storage device 10 ... Hard disk 11 ... Serial port 12 ... Parallel port 13 ... Flexible disk drive 14 ... Non-volatile memory 15 ... Flash memory 16 ... Battery 17 ... Camera 18 ... Keyboard 19 ... Display

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Makoto Kawasaki 4-1-1, Kamiodanaka, Nakahara-ku, Kawasaki-shi, Kanagawa Prefecture Inside Fujitsu Limited (72) Inventor Yoshihisa Harada 4-1-1, Kamiodanaka, Nakahara-ku, Kawasaki-shi, Kanagawa Prefecture No. 1 Inside Fujitsu Limited

Claims (6)

[Claims] An electronic device, comprising: a first memory storing at least a parameter indicating a condition relating to unauthorized use of the device; and capturing an image of a user of the device when a condition indicated by the parameter is satisfied. Image information from the captured imaging device
And a control unit that stores the data in a memory of the electronic device. 2. The electronic device according to claim 1, wherein the control unit controls output of the image information stored in the second memory according to an output instruction. 3. The control unit according to claim 1, wherein the control unit instructs a BIOS setup program to read the parameter in the first memory and record the image information in the second memory. Electronic devices. 4. The control unit instructs that an operating system program of the device sets or changes the parameter in the first memory via an interface prepared in the BIOS program. 4. The electronic device according to 3. 5. A program for causing a computer to execute the use of an electronic device, the method comprising: reading a parameter stored in a first memory, the condition indicating at least a condition related to unauthorized use of the electronic device; A program to be executed by a computer, comprising: a determination step; and, when the condition is satisfied, storing, in a second memory, image information of an imaging device that has captured a user of the device. 6. A computer reads out at least a parameter stored in the first memory, the parameter indicating a condition relating to unauthorized use of the electronic device, and determines whether the condition is satisfied. Storing image information from the imaging device that has imaged the user in the second memory;
A computer-readable recording medium on which a program for executing the above is recorded.