CN101882188B - Method and device for enhancing data input security of electronic signature tool - Google Patents

Method and device for enhancing data input security of electronic signature tool Download PDF

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Publication number
CN101882188B
CN101882188B CN2010101994035A CN201010199403A CN101882188B CN 101882188 B CN101882188 B CN 101882188B CN 2010101994035 A CN2010101994035 A CN 2010101994035A CN 201010199403 A CN201010199403 A CN 201010199403A CN 101882188 B CN101882188 B CN 101882188B
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character
sequence
random
electric signing
signing tools
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CN101882188A (en
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李东声
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Tendyron Technology Co Ltd
Beijing Tendyron Technology Co Ltd
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Tendyron Technology Co Ltd
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Abstract

The invention discloses a method and a device for enhancing data input security of an electronic signature tool. The method comprises the following steps of: displaying a character sequence obtained by selecting randomly on a display screen of the electronic signature tool, wherein the character sequence obtained by selecting randomly is that: the first character is of a randomly selected character and characters after the first character are the characters arranged in order after the first character; moving cursor movement to a character to be selected by using a key of the electronic signature tool or a keyboard of a computer connected with the electronic signature tool; and inputting the selected character after the confirmation of an enter key on the electronic signature tool. By displaying the character sequence obtained by selecting randomly on the display screen of the electronic signature tool, taking the first character of the randomly selected character sequence as the randomly selected character and taking the characters after the first character as the characters arranged in order after the first character, so that the data input security of the electronic signature tool is ensured and the convenience in inputting and selecting characters is ensured.

Description

Strengthen the method and the device of data input security of electronic signature tool
Technical field
The present invention relates to the application of electronic technology field, relate in particular to a kind of method and device that strengthens data input security of electronic signature tool.
Background technology
At present; Along with popularizing of Web bank, increasing people uses mobile digital certificate (normally USBKey), has increased cryptography management function in the high-end mobile digital certificate that has; The password input that the user can use oneself at ordinary times exists in the USB Key; When needing, can or use the keypad/Keyboard Control on the USB Key, on the display screen of USB Key, show corresponding password value through computer control.During input; Can be through on the display screen of USB Key, showing a dynamic numeral/alphabet and a selection cursor; Mobile (the instruction that moves up and down about the control transmission cursor of PC that the user controls the cursor on the USBKey display screen through mouse or the keyboard of PC according to mouse or keyboard; Cursor on the display screen of USB Key just moves up and down about successively), and confirm on the content of selecting (confirm through the mouse/keyboard of PC or USB Key on keypad/keyboard confirm).When this method is numeral entirely when the input data; Very convenient also very safe; But when the needs input alphabet, because upsetting, lexicographic order shows that it is the ten minutes trouble that the back is sought, so being easy to use property is just very influenced; And when needing input upper and lower case letter and special character, just more restricted.
Summary of the invention
In view of the existing problem of above-mentioned prior art, the embodiment of the invention provides a kind of method and device that strengthens data input security of electronic signature tool, can safely and on electric signing tools, import data easily.
The objective of the invention is to realize through following technical proposals:
The embodiment of the invention provides a kind of method that strengthens data input security of electronic signature tool, comprising:
On the display screen of electric signing tools, show the character string that selection at random obtains, the said character string of selecting at random to obtain is: the character of initial character for selecting at random, and the character after the initial character is the tactic character of the initial character that continues;
The keyboard that is connected computing machine through the button of electric signing tools or with this electric signing tools institute; Cursor on the moving display screen moves to character that prepare to select input, the selected character of input behind keyboard through acknowledgement key on the electric signing tools or electric signing tools institute connection computing machine or the mouse confirmation.
Said character string comprises: alphabetical sequence, or Serial No., or the mixed sequence of letter and numeral.
Said alphabetical sequence comprises:
Lowercase sequence a~z, capitalization sequence A~Z, or the mixed sequence a~z and the A~Z of lowercase sequence and capitalization sequence;
Said Serial No. is 0~9;
Said letter with the mixed sequence of numeral is: lowercase sequence and digital mixed sequence a~z and 0~9; Or A~Z and 0~9; Or mixed sequence a~z and A~Z and 0~9 of lowercase sequence, capitalization sequence and numeral, or lowercase sequence, Serial No. and capitalization sequence a~z and 0~9 and A~Z.
Said method also comprises:
Insert one or more spaces with random fashion each intercharacter in the character string of selecting at random to obtain.
Said method also comprises:
The different character string of page turning key control electric signing tools switching displayed through electric signing tools.
The character string that said switching displayed is different is:
Switching displayed between any two kinds of sequences in symbol sebolic addressing, lowercase sequence, capitalization sequence, Serial No..
Said method further comprises: when on the display screen of electric signing tools, showing the character string of selecting at random to obtain, confirm to be used to select the position of the cursor of character at random.
The embodiment of the invention also provides a kind of device that strengthens data input security of electronic signature tool; This device comprises: casing, circuit board, communication interface, display screen, storage unit and various button; Each parts all is arranged in the casing; Display screen is inlaid on the casing, and communication interface, storage unit all are arranged on the circuit board, and display screen and various button all are electrically connected with circuit board; Also comprise:
Select processing unit and confirmation unit at random;
The said processing unit of selecting at random is used for selecting to obtain being used for this characters displayed sequence at random from the character string of cell stores, and the said character string of selecting at random to obtain is sent to said display screen shows; The said character string of selecting at random to obtain is: the character of initial character for selecting at random, and the character after the initial character is the tactic character of the initial character that continues;
Said confirmation unit is used for the character that preparation pointed is selected to import to the cursor on the display screen and confirms, confirms the selected character of back input.
Said device also comprises:
Switching treatmenting unit is used for the different character string of switching command switching displayed on display screen of sending according to turnover key.
Said device also comprises:
Cursor moves button and cursor mobile processing unit;
Said cursor moves button, is used for sending to said cursor mobile processing unit the instruction of the cursor that shows on the moving display screen;
Said cursor mobile processing unit is used for moving the cursor that shows on the instruction moving display screen of button transmission according to said cursor.
Technical scheme through the invention described above embodiment provides can be found out; Have on the display screen through being presented at electric signing tools in the embodiment of the invention with the character string of selecting at random to obtain; And making this character string of selecting at random to obtain is that initial character is the character of selecting at random; Character after the initial character is the tactic character of the initial character that continues, and is guaranteeing in electric signing tools input safety of data, also to have guaranteed the convenience when character is selected in input like this.And, character display sequence on electric signing tools, not can with computing machine that electric signing tools links to each other on the content of input data appears, the disabled user can't infer the data content of input through the operation of following the tracks of user's mouse or keyboard.This method has simply, is easy to realize, can effectively improve the security and the convenience of electric signing tools input.
Description of drawings
Fig. 1 is the synoptic diagram of method of the enhancing data input security of electronic signature tool of the embodiment of the invention;
Fig. 2 is another synoptic diagram of method of the enhancing data input security of electronic signature tool of the embodiment of the invention;
Fig. 3 is the another synoptic diagram of method of the enhancing data input security of electronic signature tool of the embodiment of the invention;
Fig. 4 is the structured flowchart of device of the enhancing data input security of electronic signature tool of the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is described further.
Embodiment one
The embodiment of the invention provides a kind of method that strengthens data input security of electronic signature tool, comprising:
On the display screen of electric signing tools, show the character string that selection at random obtains, the said character string of selecting at random to obtain is: the character of initial character for selecting at random, and the character after the initial character is the tactic character of the initial character that continues; When on the display screen of electric signing tools, showing the character string of selecting at random to obtain, be used to select the position of the cursor of character also to confirm at random;
Above-mentioned character string can comprise: alphabetical sequence, or Serial No., or the mixed sequence of letter and numeral; Wherein, alphabetical sequence can comprise: lowercase sequence a~z, capitalization sequence A~Z, or the mixed sequence a~z and the A~Z of lowercase sequence and capitalization sequence; Serial No. is 0~9; Letter with the mixed sequence of numeral is: lowercase sequence and digital mixed sequence a~z and 0~9; Or A~Z and 0~9; Or mixed sequence a~z and A~Z and 0~9 of lowercase sequence, capitalization sequence and numeral, or lowercase sequence, Serial No. and capitalization sequence a~z and 0~9 and A~Z;
The keyboard that is connected computing machine through the button of electric signing tools or with this electric signing tools institute; Cursor on the moving display screen moves to character that prepare to select input, the selected character of input behind keyboard through acknowledgement key on the electric signing tools or electric signing tools institute connection computing machine or the mouse confirmation.
Said method can also comprise, inserts one or more spaces with random fashion each intercharacter in the character string of selecting at random to obtain.Two intercharacters as in the characters displayed sequence insert one or several space, and the space can show, and also can not show.
Said method can also comprise: through the different character string of page turning key control electric signing tools switching displayed of electric signing tools; It specifically is switching displayed between any two kinds of sequences in symbol sebolic addressing, lowercase sequence, capitalization sequence, Serial No..Like current demonstration lowercase sequence, then can pass through page turning key switching displayed symbol sebolic addressing, also can switch to capitalization sequence or Serial No. etc.
Adopting USB Key with electric signing tools below is example, and said method is described further:
As shown in Figure 1; Show the alphabetical sequence be used to import on the display screen 11 of USB Key 1, the lexicographic order in the alphabetical sequence is according to the order of a~z cycle arrangement successively, but first letter that shows is that dynamic random is chosen; During such as current input; The alphabetical sequence that shows, e chosen in first letter, and then this demonstration is to begin to z, a, b, c, d from e; When input shows alphabetical sequence next time; First letter is picked at random in alphabetical sequence still; As selected first letter for n, then the demonstration on the display screen is then for to begin to z from n, a ... ..m (referring to Fig. 1); Utilize the cursor movement key (like upper and lower translation page key) of USB Key or utilize the cursor 13 that shows on keyboard 21 moving display screens 11 of the computing machine 2 that this USB Key 1 connected; Can point to the letter that shows on the display screen 11, confirm through the acknowledgement key 12 of USB Key 1 or the keyboard 21 or the mouse of 1 connection computing machine 2 of USB Key, can be to the character of USB Key 1 input selection.The mode of this mode through selecting at random guaranteed that the letter of each demonstration has randomness, strengthened the security when USBKey input data, and the letter that shows is all arranged in certain sequence not only and searched but also easily; Be further to improve security simultaneously; The position that can make on the USB Key display screen cursor 13 that shows when initial also is random variation (cursor pointing letter f when showing among Fig. 1; And another time is when showing; Cursor pointing letter c then), be not so each cursor that shows all at same position, also further improved the security when USB Key input data;
Further, on the basis of said method, insert some spaces between the letter that can also show at the display screen of USB Key; These spaces can show on display screen or not show, during moving cursor, must transmission enough move the instruction in all spaces; Cursor just moves to next letter, as: cursor is parked on the alphabetical m of demonstration, and 3 spaces (referring to Fig. 3) are arranged between m and the n; Select n if think moving cursor; Cursor with the display screen of the key control USB Key that moves up and down of the keyboard of the shifting bond(s) of moving cursor or computing machine moves, and the user must knock the key 4 times of moving to right continuously, and cursor just can change to n from m.This mode; Also can further improve the security when USB Key input data; Even disabled user's supervisory user is knocked the behavior of computer keyboard, but because of not knowing between two letters whether the space is arranged, several spaces are specifically arranged; Therefore can't confirm also which letter the cursor that moves has specifically pointed to, and can't steal the input data of user to USB Key.
In the said method; When needs during to USB Key input capital and small letter or special character, can through by other buttons of USB Key (the USB Key of band display screen generally has 4 buttons, affirmation, cancel, on turn over, turn over down) (such as on turn over, turn over down) control the capital and small letter of characters displayed on the display screen of USB Key and the demonstration of special character; Show lowercase when initial; Click upturning key, show capitalization on the display screen of USB Key, click the demonstration special character again; Click again and show that lowercase or the like, this mode can improve the convenience to USB Key input data.
Can know, in the explanation of above-mentioned security when strengthening USB Key input data, be that example describes with the lowercase sequence, in the reality, can numeral and letter be come demonstration together, becomes 1-9, the systemic circulation of a-z; Also can the viewing area of the display screen of USB Key be divided into digital display area and alphabetical viewing area, the digital display area immobilizes, and capital and small letter etc. only change alphabetical viewing area.
Embodiment two
Present embodiment provides a kind of device that strengthens data input security of electronic signature tool; This device comprises: casing 3, circuit board (not shown), communication interface (not shown), display screen 31, storage unit 303 and various button 32 (as: upper and lower page turning key, cancel key and acknowledgement key); Each parts all is arranged in the casing 3; Display screen 3 is inlaid on the casing 3, and communication interface, storage unit all are arranged on the circuit board, and display screen 31 all is electrically connected with circuit board with various buttons 32; As shown in Figure 4, this device also comprises:
Select processing unit 301 and confirmation unit 302 at random, also be arranged on the circuit board;
Wherein, the said processing unit 301 of selecting at random is used for selecting to obtain being used for this characters displayed sequence at random from the character string of storage unit 303 storage, and the character string that said selection at random obtains is sent to said display screen 31 shows; The said character string of selecting at random to obtain is: the character of initial character for selecting at random, and the character after the initial character is the tactic character of the initial character that continues;
Said confirmation unit 302 is used for the character that preparation pointed is selected to import to the cursor on the display screen 31 and confirms, confirms the selected character of back input.
Can also comprise in the said apparatus: switching treatmenting unit 304, this switching treatmenting unit 304 are used for the different character string of switching command switching displayed on display screen according to the turnover key transmission.
Can also comprise in the said apparatus: cursor moves button 313 and cursor mobile processing unit 305;
Said cursor moves button 313, is used for sending to said cursor mobile processing unit the instruction of the cursor that shows on the moving display screen;
Said cursor mobile processing unit 305 is used for moving the cursor that shows on the instruction moving display screen of button transmission according to said cursor.
Can know that each processing unit in the said apparatus can adopt the hardware module form, also can adopt operational order to control related hardware and realize, promptly can use the form of software module to realize, this device not constituted any restriction.
In sum; In the embodiment of the invention; Through showing that on the display screen of electric signing tools initial character is for select at random; And the back character has not only guaranteed the security when electric signing tools input data for connecing the tactic successively circulation character string of character, the convenience when also having guaranteed input.Since not with computing machine that electric signing tools is connected on the content of input data appears, make the disabled user can't infer the data content of input through the operation of following the tracks of user's mouse or keyboard; Have simple, be convenient to popularize easy to operate advantage.
The above; Be merely the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technician who is familiar with the present technique field is in the technical scope that the present invention discloses; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.

Claims (8)

1. a method that strengthens data input security of electronic signature tool is characterized in that, comprising:
On the display screen of electric signing tools, show the character string that selection at random obtains; Insert one or more spaces with random fashion each intercharacter in the character string of selecting at random to obtain; The said character string of selecting at random to obtain is: the character of initial character for selecting at random, and the character after the initial character is the tactic character of the initial character that continues;
The keyboard that is connected computing machine through the button of electric signing tools or with this electric signing tools institute; Cursor on the moving display screen moves to character that prepare to select input, the selected character of input behind keyboard through acknowledgement key on the electric signing tools or electric signing tools institute connection computing machine or the mouse confirmation.
2. the method for enhancing data input security of electronic signature tool as claimed in claim 1 is characterized in that, said character string comprises: alphabetical sequence, or Serial No., or the mixed sequence of letter and numeral.
3. the method for enhancing data input security of electronic signature tool as claimed in claim 2 is characterized in that, said alphabetical sequence comprises:
Lowercase sequence a~z, capitalization sequence A~Z, or the mixed sequence a~z and the A~Z of lowercase sequence and capitalization sequence;
Said Serial No. is 0~9;
Said letter with the mixed sequence of numeral is: lowercase sequence and digital mixed sequence a~z and 0~9; Or A~Z and 0~9; Or mixed sequence a~z and A~Z and 0~9 of lowercase sequence, capitalization sequence and numeral, or lowercase sequence, Serial No. and capitalization sequence a~z and 0~9 and A~Z.
4. the method for enhancing data input security of electronic signature tool as claimed in claim 1 is characterized in that, said method also comprises:
The different character string of page turning key control electric signing tools switching displayed through electric signing tools.
5. the method for enhancing data input security of electronic signature tool as claimed in claim 4 is characterized in that, the character string that said switching displayed is different is:
Switching displayed between any two kinds of sequences in symbol sebolic addressing, lowercase sequence, capitalization sequence, Serial No..
6. the method for enhancing data input security of electronic signature tool as claimed in claim 1; It is characterized in that; Said method further comprises: when on the display screen of electric signing tools, showing the character string of selecting at random to obtain, confirm to be used to select the position of the cursor of character at random.
7. device that strengthens data input security of electronic signature tool, this device comprises:
Select processing unit at random; Be used on the display screen of electric signing tools showing and select the character string that obtains at random; Insert one or more spaces with random fashion each intercharacter in the character string of selecting at random to obtain; The said character string of selecting at random to obtain is: the character of initial character for selecting at random, and the character after the initial character is the tactic character of the initial character that continues;
The cursor mobile unit is used for being connected through the button of electric signing tools or with this electric signing tools institute the keyboard of computing machine, and the cursor on the moving display screen moves to the character of preparing to select input;
Said confirmation unit is used for the selected character of input behind keyboard or the mouse confirmation through acknowledgement key on the electric signing tools or electric signing tools institute connection computing machine.
8. the device of enhancing data input security of electronic signature tool as claimed in claim 7 is characterized in that, said device also comprises:
Switching treatmenting unit is used for the different character string of page turning key control electric signing tools switching displayed through electric signing tools.
CN2010101994035A 2010-06-07 2010-06-07 Method and device for enhancing data input security of electronic signature tool Active CN101882188B (en)

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Publication number Priority date Publication date Assignee Title
CN102663297A (en) * 2012-04-06 2012-09-12 天地融科技股份有限公司 Font acquiring method, character displaying device, character displaying system and electronic signature tool
CN103425944A (en) * 2013-07-16 2013-12-04 深圳市文鼎创数据科技有限公司 Information safety input method and information safety device
CN104461329B (en) * 2013-09-18 2019-04-12 华为技术有限公司 A kind of data inputting method and device

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