JP2542611B2 - Marine database equipment - Google Patents

Description

TECHNICAL FIELD The present invention relates to a marine database device that stores and manages various business data of a ship, and in particular, checks fraudulent activity of a database including a computer and corrects it in case of an abnormality. Marine database device.

(Prior Art) In recent years, labor saving of ships has been gradually progressing, and the number of crew members tends to decrease accordingly. As a result, the various operations of the ship after docking cannot be processed by the crew alone, and the required operations are performed with the assistance of the ship owner's agent, the shipper's agent, and other land support personnel. For this reason, a large number of people who do not know their faces often come in and out of the ships at berth.

On the other hand, in the ship, not only the automatic operation of each facility and the automation of the ship law, but also the data of various ship operations including luggage storage and loading / unloading processing are stored in a database including a computer system. Here, from the viewpoint of reliably storing and managing the data in the database, it is necessary to appropriately check the destruction and alteration of the data in the database which may be caused by the comings and goings of a large number of people.

By the way, many fraudulent use prevention measures have been taken in conventional computer systems, but they can be roughly classified into three categories.

One is that the ID code is stored in advance on the system side and the ID card respectively, and when the card holder sets the ID card, the system side checks the ID card code against the ID code on the side. If both codes match, it is a method of judging that the card holder is a genuine cardholder and checking for illegal use.

In the other one, when the personal identification number is stored in advance on the system main body side and the personal identification number is input from the keyboard, the input personal identification number on the system main body side is collated with the personal identification number stored in the memory, and they match. This is a check method using a password that sometimes determines that the user is a genuine registered user.

The other one is a security key check method in which a genuine registered user possesses a key in advance and the system main body side performs a predetermined process only when the key is inserted and operated.

(Problems to be Solved by the Invention) However, among the above three means for preventing unauthorized use, the method of using an ID card and a password is an opportunity.
If the ID card and password are known to others, there is a possibility of forgery of the ID card and unauthorized use of the password, and even if the data in the database is destroyed or tampered with, there is absolutely no need to know it, and The destruction etc. cannot be checked.

On the other hand, the latter method using a security key has a problem that the check function is lost due to loss or theft of the key.

The present invention has been made to solve the above problems, and can surely recognize a registered user, and
An object of the present invention is to provide a marine database device capable of finding out abnormal data due to data destruction, falsification, etc. of the database and correcting it to normal data.

(Means for Solving Problems) A marine database device according to the present invention is a memory in which an ID code group and a password group are stored in advance, a card reader for reading an ID code from an ID card, and an input device for inputting a password. And at least one or more of the input data such as ID code and password from these card readers and input devices and the ID code group and password group of the memory corresponding to this input data are compared, and a general operator Operator discriminating means for discriminating whether the operator is a regular operator or not and outputting a signal of the discrimination result, and a plurality of databases for storing the same data respectively for the ID code of the lower operator, the password and the upper operator, From the signal contents of the discrimination result obtained by the operator discrimination means, When inputting the ID code of the lower operator, the database for the ID code of the lower operator is accessed.When inputting the password of the lower operator, the database for the ID code and password of the lower operator is accessed to display the data, and the upper operator is displayed. In the case of data entered by the operator, access the database for the ID code of the lower operator, the password, and the upper operator to display the data,
Data check means for checking data destruction, falsification, etc. are compared with data in each of the databases on the basis of access that occurs periodically or arbitrarily, and if there is a discrepancy between the data, abnormal data according to a predetermined weighting. And the abnormal data correction means for correcting the abnormal data into steady data.

(Operation) Therefore, according to the present application, when the ID code or the password is input from the card reader or the input device, the ID code or the password and the ID code stored in the memory or If the passwords are compared and they match, it is judged as a general operator and the data in the specified database is read out.If the ID code and password are entered from the card reader and input device, the ID code and password are stored in the memory. If the ID code group and password group that are present are compared and if they match, it is determined as a legitimate operator and all database data is read out, so even if the data in the database is destroyed, the legitimate operator will see it and destroy it. Etc. can be easily found, and by means of abnormal data correction For example, the data in each database are periodically compared, and if there is a mismatch, the data in the database is determined to be abnormal according to the weighting, and the abnormal data is corrected to normal data.

(Example) Hereinafter, one example of the present invention will be described with reference to the drawings. FIG. 1 is a diagram showing a hardware configuration of the device of the present invention, which includes an ID card 10 such as a magnetic card having a specific ID code owned by all operators, and a marine database 20.
And has a data check means for artificially checking data from a functional point of view, and an abnormal data correction means for non-artificially correcting abnormal data due to destruction or falsification.

This marine database 20 distinguishes between regular operators (upper operators) such as shipowners, captains, and shippers, and other general operators (lower operators), and if any operator is judged, a trigger signal is generated. Have the ability to

This marine database 20 specifically has a first processor 21 and a second processor 31, and the first processor 21 has an ID card reader 22 for reading the ID code stored in the ID card 10 and a password. A keyboard 23 or the like as an input device for inputting is connected. In addition, the first processor 21 is provided to identify all operators.
An ID code memory 24 for storing an ID code group and a password memory 25 for storing a password group for discriminating all operator groups are connected. The reason why the password group of the operator is stored in the password memory 25 is that the ID card 10 may be lost or stolen, whereas in the case of a password, the operator directly inputs the password so that it is lost or stolen. This is because there are few, etc., and from this meaning, it can be considered that there is some weighting.

Next, the second processor 31 is connected to the first processor 21 by a bus and can activate the access software of the corresponding databases 32-34 according to the trigger signal input from the processor 21, and The access software is executed by the start command input from the keyboard 35 to access the databases 32 to 34,
It has the function of displaying the necessary data contents on the display. It should be noted that the keyboard 35 interacts with the display 36 to access the databases 32-34 to write and read data. Further, the display 36 has a function of displaying the data in the databases 32 to 34, and also has a function of instructing and displaying a data writing and reading operation procedure.

The same data is stored in each of the databases 32 to 34, the database 32 is accessed when it is determined that the operator is a general operator based on the ID code input from the card reader 22, and the data is input from the keyboard 23. Based on the password, the database 32, 33 is accessed when it is determined that the operator is more reliable than the ID code, based on the ID code and password entered from the card reader 22 and the keyboard 23. The databases 32 to 34 are accessed when it is determined that the operator is a legitimate operator.

Further, this marine database device has software for abnormal data correction means in data processing.
The abnormal data correcting means is specifically accessed as shown in the functional block of FIG. 2 periodically or on the basis of an external command, and compares the data of the databases 32 to 34 in a predetermined order to disagree. If the data comparison means 41 for determining the presence or absence of data, and the data comparison means 41 is determined to be inconsistent, each database 32 to 34 according to a predetermined ratio or weighting of majority logic etc. for each database 32-34. Abnormal data judging means 42 for judging whether any of 33 or 34 data is abnormal, and data for rewriting the data of the database judged as abnormal by the abnormal data judging means 42 to the data of the normal side database It consists of corrective means 43.

Next, the operation of the apparatus configured as described above will be described. First, when an operation start command is issued based on a set signal to the card reader of the ID card 10 or an operation of a predetermined key of the keyboard 23 or the keyboard 35,
The processor 21 in step S1 initializes the data, that is, clears the data already stored in the memory of the processor 21 and other unnecessary data, sets the necessary initial conditions, and then moves to step S2. Determine if the code was entered. If the operator sets the ID card 10 in the ID card reader 22 and reads the code of the ID card 10 with the card reader 22, it is determined that the ID code is present, and the ID code is temporarily stored in the processor built-in memory ( Step S3). Then, step S4
In step S5, it is determined whether the password is entered from the keyboard 23. If it is determined that the password is not entered, only the ID code is entered.
Then, the ID code in the processor built-in memory is compared with the ID code group stored in the ID code memory 24 to determine whether or not the operator is a general operator. If the operator is a general operator, the general-purpose trigger signal is output (step S6). In response to this trigger signal, the second processor 31 enables the software for accessing the database 32 to be activated and determines whether or not an activation command has been input from the keyboard 35 (step S7). If the start command is input, the access software is executed to access the database 32 (step S8).
By this access, the data is read from the database 32 and displayed on the display 36 (step S9), and the state of the stored data, for example, office work is confirmed.

When the ID code is not input in step S2, the process proceeds to step S11, and it is determined whether or not a password is input from the keyboard 23. If there is a password, the password is stored in the processor built-in memory as shown in step S12, and then the password is compared with the password stored in the password memory 25. If they match, it is more reliable than the ID code. Although it is high, in this case as well, it is determined that the operator is a general operator (step S13), and a general trigger signal different from that in step S6 is output (step S14). The second processor 3 receives this trigger signal.
1 enables the software for accessing the databases 32 and 33 to be activated, and determines whether or not an activation command has been input from the keyboard 35 (step S15). When the start command is input, the access software is executed to access the databases 32 and 33 (step S
16). The data read from the databases 32 and 33 by this access is displayed individually or in parallel on the display 36 (step S17). When displayed in parallel, at least the data difference between the databases 32 and 33 can be found, and the data can be checked and corrected if necessary.

Therefore, a lower operator among general operators cannot modify the data in the database 32, but in the case of a highly reliable general operator, only the databases 32 and 33 can modify the data as needed.

Next, when it is determined in step S4 that the password is input, this password is stored in the processor built-in memory (step S21). Then, step S22
In the processor built-in memory ID code and password and the ID code memory 24 and password memory 25
The ID code group and the password group are compared with each other, and if they match each other, it is determined that the operator is a normal operator and a normal trigger signal is output (step S23). In response to this trigger signal, the second processor 31 enables the software for accessing the databases 32, 33, 34 to be activated and determines whether or not an activation command has been input from the keyboard 35 (step S24). When the start command is input, the access software is executed to access the databases 32, 33 and 34 (step S25).
The data read from the databases 32, 33, 34 by this access is displayed individually or in parallel on the display 36 (step S26). Therefore, in this case, as a regular operator belonging to the shipowner, shipper, or master,
It is possible to check all the databases 32 to 34 for data destruction or falsification, and if there is an abnormality, correct the abnormal data. Therefore, in the end, if a regular operator who has the position of the person in charge of management of the ship sees the data in all the databases 32-34 and finds any abnormality, the data in all the databases 32-34 including the change of the data is deleted. Has the authority to modify the same.

As described above, the data can be checked by a regular operator as described above, but in the case of a general operator, the same check as the regular operator cannot be performed, and the data is destroyed or tampered with. Will be regarded as normal data. Therefore, the program operation of the abnormal data correcting means is executed in the second processor 31 periodically or based on a command from the keyboard 35. That is, the databases 32 to 34 are accessed periodically or based on a command from the keyboard 35, and the data comparing means 41 sequentially reads the data from the databases 32, 33 and 34 and compares the data of each base. If it is determined that they do not match, the abnormal data determination means 42
Thus, it is determined which data in any of the databases is abnormal based on the ratio or the majority logic or the like determined in advance for each of the databases 32 to 34. Then, if it is determined that the data in the specific database is abnormal, the abnormal data is corrected by rewriting the abnormal data using the data of the database having the highest weight.

Therefore, according to the configuration of the above embodiment, for example, in the case of a regular operator (shipper, captain or shipper),
If all the ID code and password do not match, it is not judged as a regular operator. If it is judged as a regular operator, all the databases 32 to 34 can be accessed and all the data can be displayed in parallel on the display 36 at the same time, so that the data can be compared at a glance and all the data can be compared. Data can be changed at the same time. Even if a general operator destroys or falsifies the data, the same data is stored in each of the databases 32 to 34, so the state of such destruction can be easily found and the contents of the database can be easily modified. You can Also,
When data is destroyed or tampered with, for example, data is periodically compared with each other in the databases 32-34, and if they do not match, it is determined which data is abnormal according to the weight of each database. Then, since the abnormal data is rewritten to normal data, a general operator can perform the required paperwork based on the corrected normal data. Also, multiple databases 32 to
It is necessary to keep 34 data always in the same state,
A general operator with high reliability among general operators can correct only the databases 32 and 33 if they find an abnormality while looking at the data in the databases 32 and 33. You need to follow the instructions of a regular operator in your position. From that meaning,
Even if a highly reliable general operator makes modifications only to the databases 32 and 33, from the viewpoint of managing the business by the manager in charge of the organization, if there is any destruction, alteration, or abnormality of the data in the databases 32 to 34, Has the authority to unify the data in all databases 32-34, that is, various business contents.

In addition, although the two processors 21 and 31 are used in the above-mentioned embodiment, it can be easily realized by using one processor.
This also applies to the keyboard. Further, although the above-mentioned embodiment performs the soft processing by the flowchart, the comparison of the ID code and the password match / mismatch and the matched output of the trigger signal to access the database can be easily performed by using the hard logic. realizable. Further, each memory 24, 25 can be realized by one memory by dividing the area. Also,
Among the general operators, when the ID code only and the password only are used, the weighting is made different to classify the access to only the database 32 and the access to the databases 32 and 33, but the processing only to the password may be omitted.
In this case, the database 33 is not always necessary.
In addition, the present invention can be modified in various ways without departing from the scope of the invention.

(Effect of the Invention) As described in detail above, according to the present invention, the registered user can be surely recognized, and the data in the database can be checked for damage, falsification, etc. and easily corrected to normal data. A marine database device can be provided.

[Brief description of drawings]

FIG. 1 is a hardware configuration diagram of a marine database device according to the present invention, FIG. 2 is a functional block diagram of abnormal data correction means, and FIG. 3 is a time chart for explaining a data check operation of the device of the present invention. 10 …… ID card, 20 …… Marine database, 21,31…
… Processor, 22 …… Card reader, 23 …… Password input keyboard, 24 …… ID code memory, 25 …… Password memory, 32-34 …… Database, 35 …… Keyboard, 36 …… Display, 41 …… Data comparison means, 42
…… Abnormal data judgment means, 43 …… Data correction means.

 ─────────────────────────────────────────────────── ─── Continuation of front page (73) Patent holder 999999999 Hitachi Zosen Corporation 1-6-14 Edobori, Nishi-ku, Osaka-shi, Osaka (73) Patent holder 999999999 2-5 Marunouchi, Chiyoda-ku, Tokyo Mitsubishi Heavy Industries, Ltd. 1 (72) Inventor Yoshimasa Kaikawa 1-2-2 Marunouchi, Chiyoda-ku, Tokyo Japan Steel Tube Co., Ltd. (72) Inventor Kanji Ozawa 1-2-1 Marunouchi, Chiyoda-ku, Tokyo Japan Steel Tube (72) ) Inventor Tetsuji Shono 1-2-2 Marunouchi, Chiyoda-ku, Tokyo Within Nippon Kokan Co., Ltd. (72) Inventor Ryuji Ichikawa 2-2-1 Otemachi, Chiyoda-ku, Tokyo Within Ishikawajima-Harima Heavy Industries Co., Ltd. Tatsuhiko Watanabe 2-2-1 Otemachi, Chiyoda-ku, Tokyo Within Ishikawajima-Harima Heavy Industries Co., Ltd. (72) Inventor Akira Mitsuhashi Tokyo 2-2-1 Otemachi, Chiyoda-ku, Sumitomo Heavy Industries, Ltd. (72) Hidemasa Takahama 1-6-14 Edobori, Nishi-ku, Osaka Hitachi Shipbuilding Co., Ltd. (72) Inventor Takeyuki Ono Chiyoda, Tokyo 2-5-1 Marunouchi, ward Mitsubishi Heavy Industries, Ltd. (56) Reference JP-A-63-217450 (JP, A)

Claims (1)

(57) [Claims] 1. A memory in which an ID code group and a password group are stored in advance, a card reader for reading an ID code from an ID card, an input device for inputting a password, and ID codes from these card reader and input device. Of the input data such as the password and the password, at least one or more input data is compared with the ID code group and password group of the memory corresponding to the input data to determine whether the operator is a lower operator or an upper operator, and a signal of the determination result. An operator discrimination means for outputting, a database for storing lower operator ID code, lower operator password, and upper operator, and storing the same data respectively, and signal contents of the discrimination result obtained by the operator discrimination means It was determined from the ID code of the lower operator from When the lower operator ID code database is accessed to read and display the data, and when it is determined that the password is the lower operator password, the lower operator ID code database and password database are accessed to read and display the data. If it is determined that the operator is a high-level operator, and if it is determined to be a high-level operator, the low-level operator ID code, low-level operator password, and high-level operator databases are accessed and the data is read out and displayed to prevent data corruption or falsification. The data checking means for checking is compared with the data in each of the databases on the basis of access that occurs periodically or arbitrarily, and if there is a mismatch between the data, the abnormal data is judged according to a predetermined weighting and the abnormal data is detected. Normal data An abnormal data correction device for correcting abnormal data, and a marine database device.