CN101609391A - The PIN code secured inputting method of a kind of USB KEY - Google Patents
The PIN code secured inputting method of a kind of USB KEY Download PDFInfo
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- CN101609391A CN101609391A CNA2009103052100A CN200910305210A CN101609391A CN 101609391 A CN101609391 A CN 101609391A CN A2009103052100 A CNA2009103052100 A CN A2009103052100A CN 200910305210 A CN200910305210 A CN 200910305210A CN 101609391 A CN101609391 A CN 101609391A
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Abstract
The present invention relates to the PIN code secured inputting method of a kind of USB KEY, this method may further comprise the steps: (1) USB KEY enters the PIN code input pattern; (2) liquid crystal display on the USB KEY shell shows PIN code viewing area and character to be selected; (3) client operates in roller or the page-turning button on the USB KEY shell, chooses corresponding character and by USB KEY buffer memory from character to be selected according to the composition character of the PIN code that pre-sets, and finishes until all characters inputs of forming PIN code; (4) USB KEY verifies the PIN code of buffer memory.The present invention utilizes the selector button of USB KEY to select the character in the liquid crystal display and finishes the selection of character by ACK button.Whole process operation is easy, the danger that the PIN code of having avoided traditional USB KEY product to cause owing to computer security issue when the input PIN code is revealed.
Description
Technical field
The invention belongs to the intelligent authentication equipment technical field, the PIN code secured inputting method of especially a kind of USB KEY.
Background technology
Along with the development of network, safety technique, network trading replaces traditional mode of doing business just gradually, such as common Web bank, security exchange, payment gateway etc.Most important thing is the authentication to the client in the network trading, and authentication can be adopted the cipher authentication mode, also can adopt safer USB KEY authentication mode, and this USB KEY authentication mode not only can be protected client identity authentication, has ensured the safety of transaction simultaneously.During use, earlier USB KEY is inserted in the USB interface of computer, the client carries out selection operation or typing operation according to the information in the computer display then, and USB KEY and computer software carry out the transmission and the checking of data, comprising PIN code, encryption and decryption/trading signature data etc.Because computing machine is in the fragility of secure context, in the transmission of data and proof procedure, exist a lot of potential safety hazards, such as: common key in data is intercepted and captured, software in malice trojan horse program and the computing machine is distorted etc.Keyboard is intercepted and captured client's PIN code, can cause falsely using of USB KEY; The malice trojan horse program is possibility Long-distance Control client then, distorts user data, and client's a transaction may be blocked and distort to an other transaction before USB KEY ciphering signature, has caused client's loss.
At these attack meanses, a kind of novel USB KEY has appearred on the market, this novel USB KEY carries liquid crystal display, in liquid crystal display, show the key message (as the amount of money, number of the account etc.) of confirming transaction, and confirming transaction by hand by an affirmation button that is installed on the USB KEY, USB KEY just can do signature and waits computing to move then.Though this product has been avoided falsely using of USB KEY that the malice trojan horse program causes distorting of signed data; but PIN code still may be intercepted and captured in the process that the client imports by computer keyboard or dummy keyboard, and the leakage of PIN code equals USB Key and lost the most basic protection.Hence one can see that, and this product still exists technical potential safety hazard and leak, and a disabled user just might falsely use this user and be engaged in network trading under the situation of PIN code that has obtained validated user and USBKEY, thereby causes the loss of validated user.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide easy and simple to handle, safe and reliable and avoid the PIN code secured inputting method of a kind of USB KEY that PIN code reveals.
The technical solution used in the present invention is:
The PIN code secured inputting method of a kind of USB KEY is characterized in that: this method may further comprise the steps:
(1) USB KEY enters the PIN code input pattern;
(2) liquid crystal display on the USB KEY shell shows PIN code viewing area and character to be selected;
(3) client operates in roller or the page-turning button on the USB KEY shell, chooses corresponding character and by USB KEY buffer memory from character to be selected according to the composition character of the PIN code that pre-sets, and finishes until all characters inputs of forming PIN code;
(4) USB KEY verifies the PIN code of buffer memory.
And the single file in liquid crystal display of the character to be selected in the described step (2) shows or the current input position roll display in the PIN code viewing area.
And described character to be selected comprises 0～9 numerical character, backspace character and carriage-return character.
And the operating process of choosing respective symbols in the described step (3) from liquid crystal display in the character to be selected is:
(1) client chooses first character in the character to be selected that liquid crystal display shows, this character is buffered, and the primary importance in liquid crystal display PIN code viewing area shows an asterisk, and cursor moves to next bit;
(2) client continues to select the next bit character, and this character is if during numerical character, and this character is buffered, and at respective symbols position display one asterisk of liquid crystal display PIN code viewing area, cursor moves to next bit; This character is deleted the last asterisk in a character that is buffered and the liquid crystal display PIN code viewing area if during backspace character, and cursor moves to one;
(3) repeating step (2), when input character was carriage-return character, the PIN code input was finished.
And choosing all needs to push the affirmation button that is arranged on the USB KEY shell behind each character to finish the selection of character.
Advantage of the present invention and good effect are:
The USB KEY that narrates among the present invention is a kind of intelligent storage equipment, its built-in single-chip microcomputer or intelligent card chip can be used for depositing private key for user and digital certificate, and its CPU process chip can be carried out the computing of digital signature and signature verification, profile is small and exquisite, can be inserted in the USB interface of computer to use.Combine based on selector button of installing on the liquid crystal display that in the secured inputting method of this USB KEY USB KEY is carried, the housing and ACK button, utilize selector button to select the character in the liquid crystal display and finish the selection of character by ACK button.The input of PIN code self is finished by USB KEY, then by USB KEY checking and transmission, whole process operation is easy, form the character of PIN code and do not import, the danger that the PIN code of having avoided traditional USB KEY product to cause owing to computer security issue when the input PIN code is revealed by the keyboard of computing machine.
Description of drawings
Fig. 1 is the structural representation that the USB KEY of roller is installed;
Fig. 2 is the structural representation that the USB KEY of page turning key is installed;
Fig. 3 is a workflow diagram of the present invention;
Fig. 4 is the workflow diagram that respective symbols chosen in client's character to be selected from liquid crystal display.
Embodiment
Below in conjunction with embodiment, the present invention is further described, and following embodiment is illustrative, is not determinate, can not limit protection scope of the present invention with following embodiment.
The present invention can use USB KEY as shown in Figure 1, its structure is: at an end of housing 6 a USB joint 7 is installed, this USB joint is connected with the control circuit of setting in the housing, this control circuit also connects liquid crystal display 2, ACK button 1 and the roller 5 that is arranged on the housing, is provided with the character to be selected 4 and the PIN code viewing area 3 of single file in the liquid crystal display.Wherein, roller is the cursor move left and right that is arranged in character to be selected in order to make.Certainly this roller also can adopt as shown in Figure 2 shift left key 8 and dextroposition key 9, this left and right shift key is connected with the control circuit of setting in the housing, the character to be selected of single file independent displaying is not set in the liquid crystal display shown in Fig. 2, but the current input position in the PIN code viewing area be provided with one can be along with pressing of left and right shift key the character to be selected of scroll-up/down.
During use, the client inserts USB KEY in the USB interface of computer, carry out network trading then, after USB KEY shows transaction related information, the client confirms this Transaction Information, and USB KEY enters the input pattern of PIN code then, and the client imports PIN code and finishes checking according to the prompting of liquid crystal display, its detailed process is as shown in Fig. 2～3, and this input method may further comprise the steps:
1.USB KEY enters the PIN code input pattern;
2.USB the liquid crystal display on the KEY shell shows PIN code viewing area and character to be selected, wherein, the cursor in the PIN code viewing area rests on primary importance, and character to be selected comprises 0～9 numerical character, backspace character and carriage-return character.Character to be selected can show or the current input position roll display in the PIN code viewing area by single file in liquid crystal display;
3. the roller or the page-turning button that operate on the USB KEY shell of client carried out the input of PIN code, and choosing all needs to push the affirmation button that is arranged on the USB KEY shell behind each character to finish the selection of character, and its detailed process is:
(1) client chooses first character in liquid crystal display character to be selected, and this character is buffered, and the primary importance in liquid crystal display PIN code viewing area shows an asterisk, and cursor moves to next bit;
(2) client continues to select the next bit character, and this character is if during numerical character, and this character is buffered, and at respective symbols position display one asterisk of liquid crystal display PIN code viewing area, cursor moves to next bit; This character is deleted the last asterisk in a character that is buffered and the liquid crystal display PIN code viewing area if during backspace character, and cursor moves to one;
(3) repeating step (2), when input character was carriage-return character, the PIN code input was finished.
(4) USB KEY verifies the PIN code of buffer memory and sends.
Application Example 1
The numerical value of PIN code: 245398
The structure of USB KEY: adopt structure as shown in Figure 1
The structure of used USB KEY as shown in Figure 1
The input process of this PIN code is:
1. the client inserts USB interface of computer according to the prompting of computer display with USB KEY;
2. the row of second in the display screen shows character to be selected, wherein display digit 0～9, backspace character (←) and carriage-return character
The first behavior PIN code viewing area, cursor rests on primary importance.
3. client's swing roller, make the cursor in second row move right 2 and be parked on the numeral " 2 ", push the affirmation button on the housing then, this numeral " 2 " is by USB KEY buffer memory, and showing one " * " to strengthen confidentiality in the primary importance of liquid crystal display first row, cursor is displaced to the second place.
4. client's repeating step 3, successively the remaining numeral of PIN code " 45398 " is imported, in the middle of when input error occurring, the client only needs rotation roller to make the cursor of liquid crystal display second row be displaced to backspace character (←), push ACK button then and make USBKEY delete last " * " that shows in the character of a buffer memory and liquid crystal display first row, the cursor of first row is to one of reach.
5. after all the numeral input finished, the client was displaced to carriage-return character with the cursor of liquid crystal display second row
Push ACK button then, USB KEY finishes the PIN code input after receiving carriage-return character, and last USB KEY verifies the PIN code of buffer memory and sends.
In the above-mentioned input process, when first character of choosing as the client was backspace character (←), the PIN code input process stopped automatically; First character of choosing as the client is a carriage-return character
The input of USB KEY end PIN code and transmission, checking.
Application Example 2
That should be to adopt with embodiment and Application Example 1 different place be the USB KEY of structure as shown in Figure 2, when input character, selects character by left and right shift key.Along with pushing of left and right shift key, the current input position roll display of character to be selected in the PIN code viewing area, when showing correct character, the client pushes ACK button and realizes choosing of this character.Other is identical with Application Example 1.
In sum, the process that the client imports PIN code is at the enterprising line operate of USB KEY, solved traditional USB KEY product input during PIN code because the problem that the PIN code that computer security issue causes is revealed.
Claims (5)
1, the PIN code secured inputting method of a kind of USB KEY, it is characterized in that: this method may further comprise the steps:
(1) USB KEY enters the PIN code input pattern;
(2) liquid crystal display on the USB KEY shell shows PIN code viewing area and character to be selected;
(3) client operates in roller or the page-turning button on the USB KEY shell, chooses corresponding character and by USB KEY buffer memory from character to be selected according to the composition character of the PIN code that pre-sets, and finishes until all characters inputs of forming PIN code;
(4) USB KEY verifies the PIN code of buffer memory.
2, the PIN code secured inputting method of a kind of USB KEY according to claim 1 is characterized in that: the single file in liquid crystal display of the character to be selected in the described step (2) shows or the current input position roll display in the PIN code viewing area.
3, the PIN code secured inputting method of a kind of USB KEY according to claim 2 is characterized in that: described character to be selected comprises 0～9 numerical character, backspace character and carriage-return character.
4, the PIN code secured inputting method of a kind of USB KEY according to claim 1 is characterized in that: the operating process of choosing respective symbols in the described step (3) from liquid crystal display in the character to be selected is:
(1) client chooses first character in the character to be selected that liquid crystal display shows, this character is buffered, and the primary importance in liquid crystal display PIN code viewing area shows an asterisk, and cursor moves to next bit;
(2) client continues to select the next bit character, and this character is if during numerical character, and this character is buffered, and at respective symbols position display one asterisk of liquid crystal display PIN code viewing area, cursor moves to next bit; This character is deleted the last asterisk in a character that is buffered and the liquid crystal display PIN code viewing area if during backspace character, and cursor moves to one;
(3) repeating step (2), when input character was carriage-return character, the PIN code input was finished.
5, the PIN code secured inputting method of a kind of USB KEY according to claim 4 is characterized in that: choosing all needs to push the affirmation button that is arranged on the USB KEY shell behind each character to finish the selection of character.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009103052100A CN101609391A (en) | 2009-08-05 | 2009-08-05 | The PIN code secured inputting method of a kind of USB KEY |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009103052100A CN101609391A (en) | 2009-08-05 | 2009-08-05 | The PIN code secured inputting method of a kind of USB KEY |
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| Publication Number | Publication Date |
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| CN101609391A true CN101609391A (en) | 2009-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2009103052100A Pending CN101609391A (en) | 2009-08-05 | 2009-08-05 | The PIN code secured inputting method of a kind of USB KEY |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907975A (en) * | 2010-08-10 | 2010-12-08 | 北京握奇数据系统有限公司 | USBKey and method for controlling same |
| CN102739398A (en) * | 2011-04-12 | 2012-10-17 | 深圳市证通电子股份有限公司 | Online bank identity authentication method and apparatus thereof |
| CN109145584A (en) * | 2018-08-03 | 2019-01-04 | 梁庆生 | A method of the safety input password without key for U-shield |
-
2009
- 2009-08-05 CN CNA2009103052100A patent/CN101609391A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907975A (en) * | 2010-08-10 | 2010-12-08 | 北京握奇数据系统有限公司 | USBKey and method for controlling same |
| CN102739398A (en) * | 2011-04-12 | 2012-10-17 | 深圳市证通电子股份有限公司 | Online bank identity authentication method and apparatus thereof |
| CN109145584A (en) * | 2018-08-03 | 2019-01-04 | 梁庆生 | A method of the safety input password without key for U-shield |
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Open date: 20091223 |