TW571019B - Chip password lock system and its management method - Google Patents

Abstract

The present invention relates to a chip password lock system and its management method. When a legal key is inserted into an electronic lock and the password is confirmed to be correct, a random number is used to select one character in the password, and another random number is generated to replace the selected character in response, so as to simultaneously change the passwords of the key and host, thereby ensuring the password to be unique to increase the security of the lock, and greatly alleviating the restriction in the number of writing EEPROM. Furthermore, the electronic key is formed by packaging a password memory chip in a USB connector, the password can be retained without battery power supply and other control chips, thereby providing advantages of small size and low cost. In addition, by classifying the users so that only the high level users possess the right to copy new keys, the key will not be arbitrarily copied.

Description

571019

The field of technology] Provides a chip combination lock system and its management, low cost, and electronic locks with a particularly high level of security. More impatience V. Description of the invention (1) [Technology to which the invention belongs The present invention refers to a simple change of the system that can greatly improve the [prior art] As the technology of technology has moved to the convenience of electronic key changes, In addition, its confidentiality is disadvantageous, but its work is lacking, and its confidentiality is not good; it is a disadvantage that it does not need to press a password. In order to mention that the Southern Power System is designed, for example, the processor is used to look around the problems known at the current stage, and due to the limitation of the number of times, the security of the lock is not improved. It, however, has the advantage of pressing the key; it has the advantage of shooting passwords. In addition, the sub-locks limit the electronics of sound line recognition to facilitate work. Especially when the button-type human brain in the computer has no code, there is more room for remote control. When the cost of the key is high, it may be inductive by the electronic chip, but the confidentiality cannot be remembered. Most of the people, such as fingerprints, control whether the lock is locked. Most of the chips are memorized. Although the length of the memory is put into use, although it has many digits or the lack of seeing is large, it depends on the interception. Although it is large and changing, the lock is not lost by the user, and it is used to transport the battery using the battery. Its light-weight dense stone horse Although there are also many dense body biological characteristics as unlocking creations, etc., it has a complex system and EEPR 0M), and it is difficult to expand the subsidiary here.

571019 V. Description of the invention (2) Today, there is an invention f which can effectively solve the deficiency of the conventional electronic lock. For this reason, the main object of the present invention is to provide a chip f-code lock system with high security and a management method thereof. After a legal key is inserted into the electronic lock and the fork code is confirmed to comply, a certain one of the passwords is immediately selected by random numbers. One character and another random number are replaced to replace the selected character in response, and the original code is changed to prevent the previous password from being copied and achieve the improvement of the security of the chip password lock. A further object of the present invention is that after the current password is confirmed, even if it is coded, a random password address is immediately selected and then the address is filled in a number. It only changes one word in the password area. Yuan, to achieve a significant change in the memory chip (EEPROM) has the function of limiting the number of write defects. Second, this month's purpose is that the chip key is formed by a single IIC side memory chip packaged in a USB plug The password can be saved without other battery-powered control chips, and the key's memory central processing can avoid being intercepted by the instrument when transmitting the password. It has the advantages of small product, low cost, and high confidentiality. -There is another aspect of the present invention-that only advanced users can make new keys opened by the lawful town, so that the keys will not be reset by themselves. To achieve the above purpose, the system of the present invention requires: The electronic lock includes a main γ sub-lock and a key socket for connection, wherein the host has a judgement and a host that is electrically connected to the central processor and a memory crystal center that is electrically connected to the central processor. The power supply connected to the central processing unit with the password and power is stable = electricity: the storage comparison voltage is reduced to a voltage at which the central processing unit can work normally to connect the power supply, at least-the electrical connection 571019 5. Description of the invention (3) at The driving circuit of the central processing unit is used to open the lock, and a setting circuit electrically connected to the central processing unit is used to set the parameters of the electronic lock, and the key socket has a socket capable of providing a chip key insertion, so that the chip key and the host can be connected. For transmitting data, the chip key is formed by installing a memory chip in a plug that can be assembled with the key socket. The memory chip stores an independent password that is consistent with the host and can be changed continuously. In order to achieve the above object, the management method of the present invention mainly includes the following steps: Steps of confirming whether the chip key is correctly inserted into the key socket 'Steps of checking whether the user is a legitimate user; Comparing the exhaustion of the host and the remaining keys In accordance with the steps, after the result of the password comparison between the host and the key is matched, the step of selecting the password address to be changed with random numbers and generating an random number i to replace the password just selected to the address, and the password of the host and the chip key are changed. Update together; and unlock the steps by the drive circuit. In the present invention, in the function mode option after the lock is turned on, / = includes a management method of a duplicate key, which classifies the user as a high level and / ^ level.-Generally, the user only has the function of unlocking the Mimar lock. ❿: In addition to the function of unlocking the password lock, the user also has the ability to copy the new key. The management method of the copy key mainly includes the following steps. Confirm that the unlocking step is in place. Check 疋Does it have the steps to copy the new key? Responds to the step of removing the key; Whether the key is reinserted indicates the step of copying the key;

571019 5. The invention explained in response to whether the unplugging of the new recording key should take the step in the host; and the response [implementation method] The following cooperation pattern method: Sunny electronic lock has a host 1 1 Electrically connected to Shima, _ Less,-the center of the electric unlock, @ 0

A Refer to the first figure 1 and at least one machine 1 1 and a machine key 1 with a core socket electrically connected to the central device and activated by a policeman 1 3 to make a chip socket 1 2 a machine 1 The state of 1 has one chip of spare chip on the itchy road. 2 The steps of storing the spoons in the plug 20 are inserted. [More user-made to complete the third chip and the host judgment and 1 3 central processing. Annunciator (set electric 2 has a key 2 and an output terminal, in addition to the piezoelectric test there is a 1 with the main step; the password for the step is unplugged

A 全 全都 齐 # The new key wheat is used to explain the key 2 1 1 shown in the second figure of the present invention. The memory device 1 3 1 3 is not empty in the figure. 1 8 One can mention the host 1 with '' The main resistance 1 9 can be connected with the key memory crystal machine 1 1 to the new key and its management system. The electronic lock 1 includes the second component; the microphone socket 1 2; the main f is connected to the processor 1 3; ΓΠ is used to store the comparison password μ_Wide circuit 15, to the drive circuits 16, 17 for viewing) 'and an electrical connection to the socket 1 for the chip key 2 to which the electronic lock 1 is set can be connected "Transfer data" and display circuit 1 2 2 for display machine 1 1 externally connected to the keypad # m 1 0 key socket 1 2 sets of 0 ^ @ 2 片 2 2 to form, the memory is worn, and the kisses are merged together Independence that can keep changing

571019 V. Description of the invention (5) The password is established, and the memory chip 2 2 is electrically connected with a resistor 2 3 to increase the voltage measuring resistance of the host 1 1 9 from the low voltage level when the chip key 2 is inserted into the electronic lock 1 It is a high voltage level to inform the host 1 1 that the chip key 2 has been inserted into the key socket 12 and is waiting to read the password.

In the present invention, the plug 21 and the key socket 12 are a USB (Universal Serial Bus) plug and socket as a specific embodiment, and the memory chip 2 2 is a single IIC (Inter-Integrated Circuit) interface EEPR (Electrically Erasable). Programmab 1 eread-ο n 1 ymemory) Memory chip as an example, talk about the memory chip 2 2 chip key formed in the USB plug 2 1 2 'You can save the password without battery power and other control chips; the same is EEPR Ο The capacity of the M memory chip 14 can increase with the increase in the number of users. 'Because each user's password recording space is independent, and the power supply regulator circuit 15 is used to reduce the power supply voltage to the central processing unit's 13 For normal working voltage, there are relays 1 6 1 and 1 7 on the drive circuits 16 and 17 respectively to open the lock and trigger the alarm; the dial switch i 8 丄 and button 1 8 2 on the setting circuit 18 are It is used for setting function; the display circuit in key socket 12 is 22, which is an example of taking LED or other visual stool, and displaying ^ as an instruction; in addition, the chip key of the present invention 2 疋 It can be kept on the same day. There are multiple sets of independent passwords to cooperate with the host of multiple sets of electronic locks, and the same chip key 2 can be used to unlock multiple electronic locks. Please refer to the fourth figure, which shows that the management method of the present invention mainly includes the following steps:

571019 ——— — V. Description of the invention (6) 0;

Step 3 3 of checking whether the user is a legitimate user, comparing the passwords of the host computer 1 1 and the key 2 of the dense stone horse host 1 1 and the key 2 to the password bits to be changed and generating a random number of passwords. The host 11 is updated; and the driving circuit 16 is used to unlock the management method of the present invention. The management method of the present invention further includes 35 to respond to the state that the password of the user in step 31 does not match, and the password of step 3 1 2 Comparison; 1 Repeat steps 3 to 5 to identify as a legitimate user or compare alarms. The above-mentioned system and management method of the present invention is inserted into the key socket 12 of the electronic lock 1 and a certain character in the password is selected with random numbers and the selected character responds 'while changing the original key password is copied or lost' After the promotion is reached and the current password is confirmed, it only changes the password to greatly improve the function of the EEPR defect. Does the step match the result code and replace the step with the chip step 3 2; After the combination, select just the random number. Select the password to the address key 2-3. 4. There is a stepper who activates the siren or step 3 ^ check and step horse fruit can not be scheduled on the second "", then the illegal use is activated, such as the password After the legal chip key password is confirmed to match, it generates another random number to obtain a code, so as to avoid a character in the security code area of the chip lock before the chip, 0 M) There is a limit on the number of writes The management method of the invention, in order to prevent the chip key 2 from being copied by any voice, the function mode option after the lock is turned on includes a management method of a duplicate key, which will make the user high And the general level of the sub, two general

571019 V. Description of the invention (7) The user only has the function of turning on the password lock, and advanced users can have the function of copying the new recording key in addition to the function of turning on the password lock. The management method of the copy key, such as the fifth As shown in the figure, it mainly includes the following steps: Step 3 4 to confirm that the lock has been unlocked; Step 3 6 to check whether the unlocker has the right to copy the new key; Step 3 6 1 to respond to a key removal; Whether to reinsert The return key indicates step 3 7 to copy the key; respond to step 3 6 2 when the key is removed; step 3 8 whether the new key has been inserted; read the user password in the host 1 1 and write it to the new key Step 3 9; and Step 3 6 3 of removing the new key in response to a copy being completed. The above-mentioned method for managing duplicated keys of the present invention includes a step 364 of informing whether to remove the key, in response to the key notifying that the key is to be removed when the key does not have the authority to copy a new key; and re-inserting the key to indicate that the key is to be duplicated Steps 3 to 7 are an embodiment in which the key is set back within a few seconds. The system and management method of the present invention will have the following functions and features: 1. The chip key 2 is formed by a password memory chip (EEPROM) 2 2 packaged in a US Β plug 2 1 and has a small size and no battery power supply. The effect of the latest password is saved. 2. The coding rule is to select a certain character in the password with random numbers and generate another random number to replace the selected character. Since only a single memory space is changed each time, the memory chip (EEPR〇Μ) can be greatly improved. Write

571019 V. Limitation on the number of inventions (8). 3: Crystal key f is not afraid of being copied or lost, because every time the legal η starts to win on the same day :: = code grabbing code changes, households will use the original key to save the two yards will be invalid and cannot be opened, can be 4 Ensure that the password is the only one who saves. 4. The use of contact-type password confirmation, touch-type password lock, and password transmission in the same time, can avoid the traditional non-access Mi Ma. Called to be intercepted, stolen by an instrument by a caring person 5. User level distinction, and envy account function, while advanced users can "open = the code to have the right to copy new keys. Further further 6, can not be purchased from the original factory can be changed Only blank keys can be purchased from the original factory, and the new key is the new key with constant code .. Two levels of authorized use are allowed to copy 7. Multiple keys of the same type can be locked in the key, and the memory space of each other is independent ,: 1 = Integrate household keys on the same chip ", the system of the present invention is simple: storage. With confidentiality and convenience, & -Progressive 'Second: to improve the efficiency of the electronic lock invention, file a patent application in accordance with the law, pray for a standard patent for industrial use, to the utmost. The fishing bureau will review it, and it will be given on page 12 of 571019. [Schematic description] The first picture is the circuit block of the present invention. The second picture is the wafer key of the present invention. The fourth picture is the unlocking lock of the present invention. The fifth picture is the copy key of the present invention (illustration of the drawing number). 1. Electronic lock 1. 2. Key recording socket 1. 2. 2. Display circuit 1. 4. Memory chip 1. 6. 17. Circuit 1 8, Setting circuit 1 8 2, Button 2, Chip key 2 2, Memory chip 3 0, Step 3 of whether to insert the key, Step 3 of whether the user is legal 2, Step 3 3 of whether the password matches, Change the password Step 3 4. Step 3 for unlocking 5. Step 3 for activating the alarm 6. Do you have a copy of the new keys 361, 362, 363, and pictures? Detailed circuit diagram. Detailed circuit diagram. Flowchart. Flowchart. 1 1 、 Host 1 2 1 、 Socket 1 3 、 Central Processing Unit 1 5 、 Power supply stabilization circuit 161、171 、 Relay 1 8 1 、 Dip switch 1 9 、 Measuring resistance 2 1 、 Plug 2 3 、 Steps of resistance step 3 6 4 steps to remove the key

Page 13 571019 Brief description of the diagram 3 7. Steps indicating the key to be copied 3 8. Step whether the new recording key has been inserted 3 9. Steps to write the password to the new key Page 14

Claims (1)

571019 6. Application Patent Scope 1. A method for managing a chip combination lock, which mainly includes the following steps: the steps of confirming whether the chip key is correctly inserted into the key socket; the steps of checking whether the user is a legitimate user; comparing the host and the key Steps of whether the passwords are consistent; After the results of the password comparison between the host and the key match, the steps of selecting the password address to be changed with random numbers and generating a random number to replace the password that has just been selected to the address, and recording the keys of the host and the chip The password is updated together; and the unlocking step is performed by the driving circuit. 2. The method for managing a chip password lock as described in item 1 of the scope of patent application, further comprising a step of activating an alarm to respond to the user's check in step 1 and the comparison of the password in the step. The alarm cannot be activated if it cannot be identified as a legitimate user within a predetermined number of times or the matching password matches. 3. The management method of the chip combination lock as described in item 1 of the scope of patent application, further includes a management method of the duplicate key in the function mode option of the lock after it is opened. The method includes the following steps: Confirm that the lock is unlocked Status steps; steps to check if the unlocker has the right to copy the new key; Respond to a step of removing the key; whether there is a step of reinserting the key indicating that the key is to be copied; respond to a step of removing the key; whether a new key has been inserted; read the password of the user in the host and write all Into the new key 571019 on page 15 —— 6. Step of applying for patent scope; and unplugging in response to the completion of copying 4. If the method of patent scope is applied, it has the power to copy the new key if the user is a senior 5. A chip password The lock chip key of the lock, wherein: the electronic lock has a host and a machine with a memory chip as a judgment and control central processor for storing the power supply voltage stabilizing circuit of the processor to use the normal working voltage and at least one electric power to Open the lock and an electrical connection to set the parameters of the electronic lock, and the socket that the key enters, so that the chip key and the remaining keys of the main chip: are independent passwords that can be formed with a 5 memory chip and each memory crystal is constantly changing. 6. If the scope of the patent application is the first, the host is externally connected to the key socket, and the memory chip of the chip key is electrically connected. When the electronic lock is locked, the voltage resistance of the host is leveled to notify the host of the current chip access password. Steps for a new key. The management of the three chip locks described by the households is divided into general grades. The advanced system uses 〇, which includes an electronic lock and at least one spare socket that is electrically connected to the host, the main CPU, and an electrical connection to the center. For the password, an electrical connection to the central power supply voltage is lowered to the central processor can be connected to the central processor's drive circuit. The central processor's setting circuit has a socket which can provide a chip key to plug the machine to connect and transmit data. The assembled plug is equipped with a chip combination lock system which is stored in the chip and is compatible with the host. The circuit has a voltage measuring resistor and a resistor for low voltage on the chip key insertion. The level is raised to high voltage input has been inserted into the key socket waiting to be read Page 16 571019 6. Patent application scope 7. The chip combination lock system described in item 5 of the patent application scope, wherein the output end of the key socket has a display circuit for displaying the status of the host. 8. The chip combination lock system described in item 5 of the scope of the patent application, wherein the plug and key socket of the chip key is a U S B plug and socket as a specific embodiment. 9. The chip combination lock system described in item 5 of the scope of the patent application, wherein the chip key and the memory chip of the host are taken from the E E P ROM memory chip as an example. 10. The chip combination lock system described in item 5 of the scope of patent application, wherein the chip key is formed by a single I I C interface memory chip packaged in a USB plug. 1 1. The chip combination lock system described in item 5 of the scope of patent application, wherein the host has a driving circuit that can be used to connect with an alarm device. 12. The chip combination lock system described in item 5 of the scope of patent application, wherein the chip key is a host user who can store multiple sets of independent passwords simultaneously to match multiple sets of electronic locks. Page 17