Efficient and safe sequence password generation device

Abstract

The utility model relates to the field of cryptology, and discloses an efficient and safe sequence password generating device which comprises a shell, a cover plate is rotatably connected to the surface of the shell, a displayer is arranged on the cover plate, a fixing plate is detachably installed in the shell through bolts, and a password generator is inserted in the fixing plate. A clamping assembly is arranged on the fixing plate and used for clamping the password generator. An opening and closing assembly is arranged on the shell and used for overturning the cover plate. The clamping assembly comprises four sets of fixing sleeves inserted into the fixing plate, connecting columns are inserted into the fixing sleeves, limiting sleeves are connected into the fixing plate in a threaded mode, springs are arranged between the connecting columns and the limiting sleeves, and cross rods are integrally formed at the ends of the connecting columns. By means of the clamping assembly, the problems that when the password generator is not clamped and is vibrated, the password generator can move in the device, an internal connecting circuit is loosened, and normal electrical connection of the password generator is affected are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cryptography field, concretely is a kind of high-efficient safe sequence password generation device. BACKGROUND

[0002] High-efficient safe sequence password generation device is a kind of equipment for generating sequence password in cryptography.Sequence password is also called stream cipher, it is the password system that plaintext is encrypted into ciphertext bit by bit (or byte by byte).The main goal of this device is to quickly and securely generate key stream sequence, then generate ciphertext by carrying out bit-by-bit operation (such as XOR operation) between plaintext and key stream.

[0003] Password generator is usually based on certain algorithm and rule to generate password, commonly using random number generation algorithm, combine set character set (such as letter, number, special character etc.), according to specific length requirement to combine and generate password.

[0004] The existing high-efficient safe sequence password generation device has the following disadvantages: when password generator is not clamped and is subjected to vibration, password generator can move inside device, can cause internal connecting line to slack, influence its normal electrical connection, the probability of collision between password generator and other components in device increasesPassword generator without clamping can appear position deviation, which can affect signal transmission between it and other components in device. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of high-efficient safe sequence password generation device to solve the above-mentioned background technology password generator without clamping, and when subjected to vibration, password generator can move inside device, can cause internal connecting line to slack, influence its normal electrical connection problem.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of high-efficient safe sequence password generation device, including shell, shell surface is rotatably connected with cover plate, cover plate is provided with display, shell is detachably installed with fixed plate by bolt in, fixed plate is inserted with password generator;

[0007] Fixed plate is provided with clamping assembly, for the clamping of password generator;

[0008] Shell is provided with opening and closing assembly, for the turnover of cover plate;

[0009] The clamping assembly comprises four sets of fixing sleeves inserted on the fixing plate, connecting columns inserted in the fixing sleeves, limiting sleeves threadedly connected in the fixing plate, springs arranged between the connecting columns and the limiting sleeves, transverse rods integrally formed at the end of the connecting columns, rotating shafts threadedly connected at the bottom of the transverse rods, clamping sleeves threadedly connected at the bottom of the rotating shafts, and a cavity provided on the fixing plate for installing the password generator.

[0010] Preferably, the opening and closing assembly comprises a transverse shaft rotatably connected on the cover plate, a through hole provided on the cover plate for the rotation of the transverse shaft, an arc-shaped block threadedly connected at the end of the transverse shaft, a limiting block fixedly arranged in the shell for the insertion of the arc-shaped block, a limiting ring arranged on the shell, a rotating ring rotatably connected on the limiting ring, and a cover plate integrally formed at the bottom of the rotating ring.

[0011] Preferably, a cooling ring is sleeved on the fixing sleeve, a second recess is provided in the cooling ring, an annular semiconductor refrigeration piece is installed in the second recess through bolts, heat-conducting silicone grease is applied at the bottom of the cooling ring, and the cooling ring is attached to the fixing plate.

[0012] Preferably, a gasket is threadedly connected at the bottom of the clamping sleeve, and the gasket is attached to the surface of the password generator.

[0013] Preferably, a first recess is provided in the limiting sleeve, the spring is arranged in the first recess, and the spring is located at the bottom of the fixing sleeve.

[0014] Preferably, a first limiting groove is provided in the limiting block, and the arc-shaped block is inserted in the first limiting groove.

[0015] Preferably, a second limiting groove is provided on the cover plate, a clamping plate is inserted in the second limiting groove, and a backing plate is arranged at the bottom of the clamping plate.

[0016] Compared with the prior art, the present utility model has the following beneficial effects:

[0017] 1. In the utility model, when the password generator needs to be installed, pull the cross bar, the cross bar drives the connecting column, the connecting column moves vertically in the fixed sleeve, the connecting column drives the spring when moving, the spring is deformed under stress and is drawn out from the first recess, the spring end moves in the fixed sleeve, the connecting column drives the cross bar when moving, so that the clamping sleeve is away from the containing cavity, the password generator is placed in the containing cavity, after the cross bar is loosened, the counterforce of the spring pulls the connecting rod reversely, the connecting rod moves reversely in the fixed sleeve, the cross bar is close to the containing cavity, the clamping sleeve is set to clamp the password generator, rotate the clamping sleeve, the clamping sleeve rotates on the rotating shaft, the bottom threaded connecting washer is closely attached to the surface of the password generator, prevents the password generator from separating from the containing cavity, the heat-conducting silicone grease is applied between the annular semiconductor refrigeration sheet and the fixed plate, the heat-conducting silicone grease can fill the tiny gap between the annular semiconductor refrigeration sheet and the fixed plate, reduces the thermal resistance, the annular semiconductor refrigeration sheet is placed in a well-ventilated position to utilize the natural wind to take away heat, the fixed plate is radiated, the password generator is conveniently used normally, through the clamping assembly, the problem that the password generator is not clamped and moves in the device when being vibrated, the internal connecting line is loose, and the normal electrical connection is affected is solved.

[0018] 2. In the utility model, when the cover plate needs to be opened and closed, the password generator is maintained, the pad plate is pushed, the clamping plate on the pad plate is drawn out from the second limiting groove, the pad plate is taken down, the cross shaft is rotated, the cross shaft rotates in the through hole, the cross shaft drives the arc block when rotating, the arc block rotates, when the arc block is inserted in the first limiting groove provided in the limiting block, the cover plate is prevented from rotating, when the arc block is rotated out of the first limiting groove, the cover plate is pulled, the cover plate drives the rotating ring, the rotating ring rotates on the limiting ring and opens and closes the cover plate, the password generator on the fixed plate is conveniently maintained. ACCURACY

[0019] Figure 1 It is the whole structure schematic view of the high -efficient safe sequence password generation device that the utility model proposes;

[0020] Figure 2 It is the shell internal expansion structure schematic view of the high -efficient safe sequence password generation device that the utility model proposes;

[0021] Figure 3 It is the clamping assembly partial expansion structure schematic view of the high -efficient safe sequence password generation device that the utility model proposes;

[0022] Figure 4 It is the cooling ring internal expansion structure schematic view of the high -efficient safe sequence password generation device that the utility model proposes;

[0023] Figure 5The utility model provides an efficient safe sequence password generation device's A place extension structure schematic diagram.

[0024] In the figure: 1, shell; 2, cover plate; 3, display; 4, fixed plate; 5, password generator; 6, clamping assembly; 601, cavity; 602, cross bar; 603, connecting column; 604, limit sleeve; 605, first recess; 606, spring; 607, fixed sleeve; 608, cooling ring; 609, second recess; 610, annular semiconductor refrigeration piece; 611, heat-conducting silicone grease; 612, pivot; 613, clamping sleeve; 614, washer; 7, opening and closing assembly; 701, through hole; 702, limiting block; 703, first limiting groove; 704, cross shaft; 705, arc block; 706, backing plate; 707, clamping plate; 708, second limiting groove; 709, limiting ring; 710, rotating ring. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0026] Embodiment one

[0027] Please refer to Figure 1 - Figure 5 , the utility model discloses a kind of efficient safe sequence password generation device in the drawing, including shell 1, shell 1 surface rotationally connected with cover plate 2, cover plate 2 is provided with display 3, shell 1 is detachably installed with fixed plate 4 in screw bolt, fixed plate 4 is inserted with password generator 5 in;

[0028] Fixed plate 4 is provided with clamping assembly 6, for password generator 5 is clamped;

[0029] Cover plate 2 is set on shell 1 and is provided with opening and closing assembly 7, for turning over;

[0030] Clamping assembly 6 includes fixed sleeve 607 inserted on fixed plate 4 and fixed sleeve 607 is provided with four groups, fixed sleeve 607 is inserted with connecting column 603, fixed plate 4 is threadedly connected with limit sleeve 604, spring 606 is provided between connecting column 603 and limit sleeve 604, connecting column 603 end is integrally formed with cross bar 602, cross bar 602 bottom is threadedly connected with pivot 612, pivot 612 bottom is threadedly connected with clamping sleeve 613, fixed plate 4 is provided with cavity 601 for password generator 5 installation.

[0031] In the scheme, when the password generator 5 needs to be installed, pull the cross rod 602, the cross rod 602 drives the connecting column 603 to move vertically in the fixed sleeve 607, the connecting column 603 drives the spring 606 when moving, the spring 606 is deformed under the action and is pulled out from the first groove 605, the end of the spring 606 moves in the fixed sleeve 607, the connecting column 603 drives the cross rod 602 when moving, so that the clamping sleeve 613 is away from the cavity 601, the password generator 5 is placed in the cavity 601, after the cross rod 602 is loosened, the counterforce generated by the spring 606 pulls the connecting rod in the opposite direction, the connecting rod moves in the fixed sleeve 607 in the opposite direction, the cross rod 602 is close to the cavity 601, the clamping sleeve 613 arranged clamps the password generator 5, the clamping sleeve 613 rotates on the rotating shaft 612, through the clamping assembly 6, the problem that the password generator 5 is not clamped and moves in the device when the password generator 5 is shaken, which causes the internal connecting line to be loose and affects the normal electrical connection is solved.

[0032] Further, the opening and closing assembly 7 comprises a horizontal shaft 704 rotatably connected to the cover plate 2, the cover plate 2 is provided with a through hole 701 for the rotation of the horizontal shaft 704, the end of the horizontal shaft 704 is threadedly connected with an arc block 705, the housing 1 is fixedly provided with a limiting block 702 for the insertion of the arc block 705, the housing 1 is provided with a limiting ring 709, the limiting ring 709 is rotatably connected with a rotating ring 710, and the bottom of the rotating ring 710 is integrally formed with the cover plate 2.

[0033] Specifically, when the cover plate 2 needs to be opened and closed for maintenance of the password generator 5, the horizontal shaft 704 is rotated, the horizontal shaft 704 rotates in the through hole 701, the horizontal shaft 704 drives the arc block 705 when rotating, the arc block 705 rotates, and when the arc block 705 is inserted in the first limiting groove 703 of the limiting block 702, the cover plate 2 is prevented from rotating. When the arc block 705 is rotated out of the first limiting groove 703, the cover plate 2 is pulled, the cover plate 2 drives the rotating ring 710 to rotate on the limiting ring 709 to open and close the cover plate 2, thereby facilitating the maintenance of the password generator 5 on the fixed plate 4.

[0034] The fixed sleeve 607 is sleeved with a cooling ring 608, the cooling ring 608 is provided with a second groove 609, and the annular semiconductor refrigerating sheet 610 is installed in the second groove 609 through bolts. The bottom of the cooling ring 608 is coated with heat-conducting silicone grease 611, and the cooling ring 608 is attached to the fixed plate 4. The annular semiconductor refrigerating sheet 610 and the fixed plate 4 are coated with heat-conducting silicone grease 611, the heat-conducting silicone grease 611 can fill the small gap between the annular semiconductor refrigerating sheet 610 and the fixed plate 4, reduce the thermal resistance, and the annular semiconductor refrigerating sheet 610 is placed in a well-ventilated position to take away heat by using natural wind.

[0035] The bottom of the clamping sleeve 613 is threadedly connected with a gasket 614, which is attached to the surface of the password generator 5; the gasket 614 threadedly connected to the bottom is tightly attached to the surface of the password generator 5, preventing the password generator 5 from being separated from the cavity 601.

[0036] The limiting sleeve 604 is internally provided with a first recess 605, and a spring 606 is arranged in the first recess 605, and the spring 606 is located at the bottom of the fixing sleeve 607; the connecting column 603 drives the spring 606 when moving, the spring 606 is deformed and extracted from the first recess 605, and the end of the spring 606 moves in the fixing sleeve 607.

[0037] The limiting block 702 is internally provided with a first limiting groove 703, and an arc-shaped block 705 is inserted into the first limiting groove 703; the horizontal shaft 704 drives the arc-shaped block 705 when rotating, the arc-shaped block 705 rotates, and when the arc-shaped block 705 is inserted into the first limiting groove 703 provided in the limiting block 702, the cover plate 2 is prevented from rotating, and when the arc-shaped block 705 is rotated out of the first limiting groove 703, the cover plate 2 is pulled, the cover plate 2 drives the rotating ring 710, and the rotating ring 710 rotates on the limiting ring 709 to open and close the cover plate 2.

[0038] The cover plate 2 is provided with a second limiting groove 708, a clamping plate 707 is inserted into the second limiting groove 708, and a pad plate 706 is arranged at the bottom of the clamping plate 707; the pad plate 706 is pushed, the clamping plate 707 on the pad plate 706 is extracted from the second limiting groove 708, the pad plate 706 is removed, and the horizontal shaft 704 is conveniently rotated.

[0039] It should be noted that, in the present text, relational terms such as first and second and the like are used merely to differentiate one entity or action from another, without necessarily requiring or implying any actual such relationship or order between or among the entities or actions. Also, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0040] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A high-security stream cipher generation device comprising a housing (1), characterized in that: The shell (1) surface rotationally connected with the cover plate (2), the cover plate (2) is provided with display (3), the shell (1) is detachably mounted with the fixed plate (4) through bolt, the fixed plate (4) is inserted with the password generator (5); The fixed plate (4) is provided with clamping assembly (6), for the password generator (5) is clamped; The shell (1) is provided with open-close assembly (7), for the cover plate (2) is turned over; The clamping assembly (6) includes the fixed sleeve (607) inserted in the fixed plate (4) and the fixed sleeve (607) is provided with four groups, the fixed sleeve (607) is inserted with the connecting column (603), the fixed plate (4) is threadedly connected with the limiting sleeve (604), the spring (606) is arranged between the connecting column (603) and the limiting sleeve (604), the connecting column (603) is integrally formed with the horizontal rod (602) at the end, the horizontal rod (602) is threadedly connected with the rotating shaft (612) at the bottom, the rotating shaft (612) is threadedly connected with the clamping sleeve (613) at the bottom, the fixed plate (4) is provided with the cavity (601) for installing the password generator (5).

2. The high efficient secure stream cipher generation device according to claim 1, wherein: The open-close assembly (7) includes the horizontal shaft (704) rotationally connected with the cover plate (2), the cover plate (2) is provided with the through hole (701) for the horizontal shaft (704) to rotate, the horizontal shaft (704) is threadedly connected with the arc block (705) at the end, the shell (1) is fixedly provided with the limiting block (702) for the arc block (705) to be inserted, the shell (1) is provided with the limiting ring (709), the limiting ring (709) is rotationally connected with the rotating ring (710), and the cover plate (2) is integrally formed on the bottom of the rotating ring (710).

3. The high efficient secure stream cipher generation device according to claim 1, wherein: The fixed sleeve (607) is sleeved with the cooling ring (608), the second groove (609) is formed in the cooling ring (608), the annular semiconductor refrigeration sheet (610) is installed in the second groove (609) through bolt, the cooling ring (608) is coated with the thermal conductive silicone grease (611) at the bottom, and the cooling ring (608) is attached to the fixed plate (4).

4. The high efficient secure stream cipher generation device according to claim 1, wherein: The clamping sleeve (613) is threadedly connected with the gasket (614) at the bottom, and the gasket (614) is attached to the surface of the password generator (5).

5. The high efficient secure stream cipher generation device according to claim 1, wherein: The first recess (605) is formed in the limiting sleeve (604), the spring (606) is arranged in the first recess (605), and the spring (606) is located at the bottom of the fixed sleeve (607).

6. The high efficient secure stream cipher generation device according to claim 2, wherein: The first limiting groove (703) is formed in the limiting block (702), and the arc block (705) is inserted into the first limiting groove (703).

7. The high efficient secure stream cipher generation device according to claim 2, wherein: The second limiting groove (708) is formed in the cover plate (2), the clamping plate (707) is inserted into the second limiting groove (708), and the clamping plate (707) is provided with the backing plate (706) at the bottom.

Images