TW531713B - Hand-writing digital signature system and method - Google Patents

Abstract

The present invention provides a hand-writing digital signature method, which uses a hand-writing input device to apply the signature on a file stored on a front-end electronic device. The hand-writing digital signature method in the present invention includes using the hand-writing input device to accept a signature image inputted by an user in hand-writing manner; generating a digital signature data based on the signature image; merging the file and the digital signature data to generate a file with signature; and, storing the file with signature in the front-end electronic device. In the present invention, the hand-writing input device and the front-end electronic device uses a wireless transmission protocol for signal connection, and the digital signature data is created according to the signature image and the signature time when inputting the signature image. The present invention also discloses a hand-writing digital signature system in association with the above-mentioned method.

Description

531713

[Field of the Invention] The present invention relates to a handwritten digital signature system and formula, and a two-way signature system capable of using a handwriting input device to wirelessly transmit a signature, especially a file stored in a front-end electronic device. And methods. · ,,, Digital [Knowledge Technology] In recent years, due to the popularization of computer equipment, general Wen Kui Kao said that electronic papers have been used to replace old paper documents in order to be able to use the Internet. In order to avoid the inconvenience and transmission of paper document delivery and transmission, however, the use of electronic files still has some disadvantages, such as file two, Ding Rikou ’s female nature is not guaranteed, and because electronic files are a digital asset ^ Μ 竹, so unlike paper documents can be signed by the supervisor to confirm the document. In the conventional technology, digital signature (d i g i t a 1 s i gna t ure) technology is used to cooperate with various encryption algorithms to visa electronic documents to ensure the correctness and completeness of today's electronic documents. When a user wants to digitally sign an electronic document with a digital signature, the user must first generate a pair of asymmetric golden double surpluses, in which the public key (publ ic key) is placed in a public place for people to access, and the private key (private key) is stored by the user. Next, the electronic file is calculated using special methods such as the known Hash Function to obtain a message digest (^), and the digest is encrypted with the private key. Generate a digital signature 'and send it with the original message. After receiving the electronic file, the recipient of the file can sign the digital signature with the public key.

531713 — Exposure 5. Description of the Invention (2) Perform a solution and check whether the electrons are consistent with the Hertzian function. If they match, then ^ Calculus, then compare and move. The content of the electronic file has not been tampered with by the above-mentioned digital signature technology. However, it still has inadequacies: 1. Make sure that the content of the electronic file is not first prepared by the assistant in charge. The content of the file is # after the number of electronic files, and the electronic file will be transmitted. In this case, although the digital signature is two :::; the integrity of the — is guaranteed by the assistant, but the receipt of the electronic file, the ', and the content of the sub-file are all recorded on paper. 疋 = 2 Confirmed by the supervisor. It is acknowledged, so there is no way to ask the above to confirm ^ ^ 干 1 j jAll the father is handled by the assistant. Furthermore, visas with digital signatures are subject to hardware restrictions = when the supervisor wants to apply for multiple slots in multiple computers = the efficiency and convenience of visas for electronic documents. If it is a document that transfers 1 ^ 's records, as long as the supervisor has a pen, he can sign the document directly for visa application without any geographical restrictions. According to the above, if a mechanism can be provided for signing the electronic documents, it will help to recognize the source of the electronic documents, as well as improve the confirmation of the actions. Therefore, how to provide a signature visa for electronic documents Benai is currently a major issue. 【Summary of invention】

Page 5 531713 V. Description of the invention (3) In view of the above-mentioned problems, the purpose of the present invention is to provide a J-name system and method, which can be applied to the visa stored in the front-end electronic device in the name mode to solve the conventional technology. Chinese: It is impossible to know who has confirmed the electronic file. The object of the present invention is to provide a handwritten digital signature system, which can improve the efficiency and convenience of visas. ....., to achieve the above-mentioned object, the present invention provides a method ', which first uses a handwritten input to set a signature: Enter it-sign the image, and then predict based on the signature image generation formula. Then 'the invention merged the file and the digital signature of two digits and signed it. The visa case was stored on the front-end electronics to generate the first-line transmission protocol for signal connection. The benefits mentioned above are based on a bluetooth transmission agreement. Or the infrared transfer agreement can be implemented according to one aspect of the present invention, with a digital signature; It was born at the time of signature with one of the input signature images. According to the signature of the department, according to one embodiment of the present invention, the digital signature end electronic device is transmitted to the front-end electronic brother 4 series according to the embodiment of the present invention-the implementation state = = slot case. It is designed to generate the visa file in the handwriting input device, and to implement the handwriting input device according to one of the embodiments of the present invention. At the time of filing, the number of the merged case is also merged = and the digital signature capital invention also provides a handwritten visa file . Handwriting input device and-front-end electricity; device. Hand; system contains-Dingma input device includes a page 6 531713 V. Description of the invention (4) _ Signature image receiving; (; Wang & IV U i name image interface m, 1 digital signature data generation module, where The receipt and verification team receives-a signature name data entered by the user by hand. The former module is generated based on the signature image-a digital signature storage module, A middle = Zaokuo-coffin case visa module and one broadcast case one broadcast case And several ^ names' i = The module merges the negative material of the y signature stored in the front-end electronic device to generate a visa file, which is stored in the file: The visa file is stored in the front-end electronic device. Η Eight-line transmission: ：：： meaning ： Introduction and front-end electronic equipment ^ transfer wheel agreement. Connection 'It can be M transmission protocol or infrared 1 & I according to the hand-written digital signature system and method ## 1 1 has wireless It ’s the most difficult thing to pass on Gonglun Gong L ”is the use of the file in one end of the electronic device into the handwriting input device to the action stored in a previous recipient can confirm the two-digit signature signed by the receiver, so the file received Although the case of the fight has been confirmed by whom. f: The handwritten digital signature system according to the present invention and Fang, "car * 1 set of handwriting input 袈] digital signature action 'so only need to" saving handwriting input equipment]; multiple front-end electronic devices cooperate, hence the name The operation is more convenient 1 because of using the Bluetooth protocol; work: 2 get the number "乂 can digitally sign multiple files at the same time :: wire transfer wheel, [detailed description of the preferred embodiment] only her handwriting

Page 7 The following will describe the preferred invention with reference to the related drawings

The handwriting input of the name data generating module 12 is implemented in the same form to complete its function, and 10, and each module can be omitted. Beyond the spirit and scope of the present invention In this embodiment, the aforementioned first-line communication module 23 is a conventional Bluetooth ..., the line communication module 13 and the second front-endless electronic device 20 can be transmitted via Bluetooth ^ , So that the handwriting input device 10 is connected to the Bluetooth day-to-day film according to its hardware and 纟 ^^. -General: One is an analog radio frequency radio part, which can be divided into two parts. The analog radio frequency radio part includes a digital processing part. Can be amplified by low noise (LNA), mid-range, ^, and the transmitter part, roughly M0dulator), phase-locked loop (pu) ^ =

Synthes.zer), ^ t ^ ^, (o ^ " _F ~: and transmitting high-frequency signals, radio frequency and fundamental frequency signals, and modulation and demodulation signals. In addition, in the digital processing department It includes the baseband controller, microprocessor, and memory, which mainly implements the specifications and signal control of the Bluetooth device. The baseband controller is responsible for signal encoding and fork coding, frequency hopping, and packet processing. Most microprocessors currently use 16-bit reduced instruction set processors; memory is usually flash memory (Flash Memory), static random access memory (SRAM), or read-only memory (ROM). It is used to store multiple software, such as LM (Link Manager) ^ L2CAP (Link layer control and

Adaptation protocol), among which, LM is responsible for setting, releasing and managing the baseband connection, and L2CAP is responsible for data packaging, cutting and assembly

Page 9 531713 V. Description of the invention (7) Communication protocol multiplexing (Segmentation and Reassembly (Multiplexing)), and quality of service (Qualu,: 丄 地 工, etc.). F SefV1 (: q In the example The Bluetooth transmission protocol is used to transmit Taiwan cases and data, so it can be transmitted in a one-to-many manner at the same time. You can use a PDA to simultaneously apply for multiple files in multiple front-end electronic devices. Visas are also available. It can be transmitted wirelessly, so users can use PDAs to sign visas. &Quot; ': =, the supervisor can take the PDA to various departments, and can directly sign the electronic file of the visa on the PDA. In order to make the content of the present invention more understandable, the following will describe the process of the hand-written digital signature method according to the present invention. Just as an example, in the following embodiments, the handwriting input device is an electronic device. It is a computer device. The signature is 7 FDA, and the handwriting handle set in the PDA is like a receiving board group. 1 1 is a yoke and the digital signature data is generated in a program module in the PDA. .Dangdangzai = And 12 is storage, ^, Weishuang σ brother complex 2 2 is a computer device ΦZan and Gongwu: Only when the case storage module 22 is a hard disk in the computer device, Wang please follow the picture 2 # ， Handwriting signature method 2 according to a preferred embodiment of the present invention 2 is ahead of cattle 9 η 1 rb Ma-style digital person with Feng ΓΛ in the 'take the signature on the PDA using the tablet on the PDA Image 102. The user can use a smart pen to sign directly on the tablet, and Le 3, which is moved by the user ’s hand, also looks like ten ”, ^, and the induction pen on the tablet :: When generating a signature image 102, the PDA's operating system can record this event (ev: t p. 10 531713 V. Invention Description (8) "-). Signature time of the user signature 丨 05. After the user has finished signing, in step 202, digitally sign the data, and the group 12 integrates the signature image 丨 0 2 and the signature time 丨 05 to generate a number j. = 名 贝 料 1 0 3. In this step, those skilled in the technology can use the techniques of each ⑨ net effect to generate digital signature data丨 〇3, for example, after the signature ~ image 102 is generated, the digital signature data generation module 丨 2 can compress the signature image in a specific compression 2 encoding format 丨 02 compress the image file into a specific format, and use the signature date Mori 1.05 is used as the generation time of this image file, or 2 signature time 105 is embedded in the image file in a manner such as a watermark to generate digital signature data 103. In this embodiment, if The file 丨 〇i is transmitted to the computer by the computer device. = Merge the file 101 and the digital signature data 103 on the PDA, or transfer the digital signature to the computer device 103 to merge the file on the computer device. ι & Digitally Signed Material 103. In step 203, if the file 101 is transferred from the computer to the PDA, step 2Q4 is performed to further determine whether a digital signature 106 (digital signature) exists. If a digital signature 1006 exists, the process proceeds to step 206, and the digital signature data 103 and the digital signature 1 06 visa file 101 are used in the PDA to generate a visa file 丨 04. If no digital signature 106 exists, proceed to step 207 and use the digital signature in pDA to certify the visa file 103 to generate a visa file 丨 04. Similar to the above process, in step 2003, if the file is transferred from the PDA to the computer device, the process proceeds to step 05 to further determine that the digital signature 106 exists. If a digital signature 丨 〇6 exists, proceed to step 208, and use digital signature data 103 and digital ^ chapter 531713 in the computer device. 5. Description of the invention (9)-106 visa file 101 to generate a visa Archives 104. If no digital signature 106 exists, then proceed to step 209 and use the digital signature data 103 visa file 101 in the computer device to generate a visa file 丨 04. The above-mentioned digital signature technology is well known to those skilled in the art, so it will not be repeated here. However, it should be noted that the public key, private key, and message dlgesU related to digital signatures can be generated and stored according to the actual situation ^ pDA computer device. / If the visa file It is generated on the PDA, then step 2 丨 〇 will send the signed file to the computer device, and in step 211, the visa file is stored in the hard disk of the computer device. If the visa slot case is generated directly on the computer device Go to step 211. In this embodiment, 'PDA Lei Cong resides in> # rr & N Shi Xun Le, I can pass on him, I can secretly send signals with one-to-many Fang Wang at the same time, so the user can use p DA ^ $ 夕 加 k 一 冰 义 using ruA to ask multiple computers In the case of the device, a case-based visa is issued. M ^ ^ ^ ^ ^ ^^ The release of the visa stated

: The method is to use-with a wireless transmission wheel: = = stored in the electronic case of the electronic device to cooperate with the slot, thus saving the cost of being able to write with multiple digital signatures through wireless transmission, and the action More convenient

531713

5. Description of the invention (（) The dental protocol is wirelessly transmitted, so it can perform digital signature on multiple files at the same time. Anyone skilled in the art can make equivalent modifications to the above-mentioned implementation without departing from the spirit and scope of the invention. Please refer to, for example, to send a file to a handwriting input device for signature ^%

The file visa module 21 can be set on the handwriting input device jd to log in. ^ The input device can also be used for five years. In addition, it can be used by hand; I: an electronic device, and it is signed with the front-end electrical; wireless transmission protocols, such as infrared Transmission n uses the transmission of other white materials. Xunju Xie Xun, to carry out signal and, therefore, the above does not depart from its spirit and include in the application described below

Anything should be described only as an example 'and not as a limitation and equivalent modifications or patents.

Page 13 531713 Schematic description [Schematic description] Fig. 1 is a schematic diagram showing a schematic diagram of a handwritten digital signature system according to a preferred embodiment of the present invention. Fig. 2 is a flowchart showing a flowchart of a handwritten digital signature method according to a preferred embodiment of the present invention. FIG. 3 is a schematic diagram showing a handwritten digital-signature system according to another preferred embodiment of the present invention. [Illustration of Graphical Symbols] 1 Handwritten digital signature system 10 Handwriting input device 20 Front-end electronic device 11 Signature image reception Module 12 Digital signature data generation module 21 File visa module 22 File storage module 101 File 102 Signature image 103 Digital signature data 104 Visa file 105 Signature time 106 Digital signature 2 Handwritten digital signature method 201 ~ 21 1 Handwriting Steps of the Digital Signature Method

Page 531 713

Page 15

Claims (1)

/ A handwritten digital signature method accepts a one-to-one signature image on one of the front-end electronic devices with the handwriting input device; a handwriting input device is used to issue a visa, including: Generating a digital signature based on the signed image; merging the file and the digital signature with the visa file; and storing the visa file on the front-end electronic device. ^ In the hand-written digital signature bean described in item 丨 of the scope of patent application: y. The handwriting input device and the front-end electronic device are connected via a wireless transmission signal. 3. The hand-written digital signature method as described in item 2 of the scope of patent application, wherein: /. The wireless transmission protocol is a bluetooth transmission protocol. Medium ... The handwritten digital signature method described in item 2 of the scope of patent application, wherein the wireless transmission protocol is an infrared transmission protocol. 5. The hand-written digital signature method described in item 1 of the scope of patent application, where ... 531713 -It is based on the signature image and one of the signature images input. The handwritten number described in item i of the patent application scope includes: The eight-digit signature method, after generating the digital signature data, the front-end electronic device, … Front end ===: Contains the handwritten digital signature method as described in item 1 of the scope of patent application, more than generates the digital signature meaning ancestors> Turn-in device, uyj 4 〃, then transfer the file to the The handwriting is used to generate the digital signature method of the handwritten visa file as described in item 1 of the scope of patent application by the handwriting input device, and also generate a digital signature of the file; and the signature in the f slot case and the digital Sign the information to generate the visa file. The digital type is further incorporated into a handwritten wheel-in device, and is used in conjunction with the front-end t-device to write a digital signature method. Among them—the file who defends the network and saves the front-end electronic device for a visa, including: The handwriting input device accepts page 17 of a user ’s handwriting input 531713 VI. Patent application scope '~-a signature image; and generates digital signature data based on the signature image, and generates the digital signature data together with the digital signature data 数The visa file has been saved, and the 52 files are stored in the front-end electronic device. The personal signature method is the handwritten digital signature method of item 9 in the scope of patent application, wherein the handwriting input device and the front-end electronic device are signal-connected in accordance with _I. … ,,,, and good to lose 11. The hand-written digital signature method implemented in one as described in item No. 丨 0, wherein: The wireless transmission protocol is a Bluetooth transmission protocol. Handwriting turn-in device 12. Hand The digital signature method implemented in writing as described in item No. 丨 0, wherein: The wireless transmission protocol is an infrared transmission protocol. The handwriting wheel-in device 13 is implemented in a handwritten digital signature method as described in item 9 of the scope of patent application, wherein: the digital signature data of the handwriting input device is based on the signature image and the time of entering the signature and the signature time. Produced. 14 Implemented in a hand-written input device as described in item 9 of the patent scope Page 18 < Shenzhu patent scope handwritten digital signature method, further comprising: to 4 after generating the digital signature data, transmitting the digital signature data to a peer electronic device to generate the visa file on the front-end electronic device 15 V, ^ The method for implementing a handwritten digital signature on a handwriting input device as described in item 9 of the scope of the patent application, further includes: transmitting the digital signature data after receiving the digital signature from the front-end electronic device. File, with the handwriting input device generating the visa file U, if the handwriting is produced by the signature, 17 > _ It is a proposal with the implementation of the image described in item 9 of the patent scope The digital signature method based on a handwriting input device further includes: generating a digital signature of the slot case; and when combining the file and the digital signature information, the digital digits are combined to generate the visa file. A hand-written digital signature method for RC electronic device, the case is carried out; the verification is performed to store the front-end electronic device in the wrong electronic file for the 'Shai file and a digital reply to the digital signature data = and to generate-generated by the visa slot ; To: Write according to the input of the turn-in device-sign the visa file to the front-end electronic device. Page 531 713 18. The handwritten digital signature method implemented on a front-end electronic device as described in item 17 of the scope of the patent application, wherein: 9 ^ The handwriting input device and the front-end electronic device are connected by a wireless transmission protocol. . ‘19. The digital signature method implemented in the hand of a front-end electronic device as described in item 8 of the patent application scope, wherein: The wireless transmission protocol is a Bluetooth transmission protocol. Place ^ g end before 1 in. Shi Dingxie's comments · · The center line of the news agency is beyond the 18th, the red law system has a standard name and a consortium signing a special post. The number line application formula is not as good as writing this, the hand ο 2 ~ < The name of the electric sign with the shadow name should be entered first and lost in the name with Shi Xiangshiying: The item in the signing office is based on 17, according to the legal system. If you want to sign a digital signature room, please sign in with a digital signature. If you write the signature, you can use the 21st hand to place it. 9 End of the front 1 In Shishizhi: The description contains more 7 Fang Fanfang's signature for the fame and fortune, please apply for the application form, such as writing, hand 2 of 2 J is installed, the input and output are written, and the hand is installed. The data name and signature number should be signed. Cases of production 531713 Six application patent scopes 23, The handwritten digital signature method implemented on a front-end electronic device as described in item 7 of the patent application scope, further includes: after generating the digital signature data, transmitting the file to the handwriting input A device for generating the visa file by the handwriting input device. 24. The hand-written digital signature method implemented on a front-end electronic device as described in item 7 of the scope of the patent application, further includes: when e and the planting case and the digital signature data, one of the slot cases is merged. Sign a seal to generate the visa file. -A handwritten digital signature system, including: _ A handwriting input device, which includes a signature image receiving module and a digital signature data generating module, the signature image receiving module receives one and uses ^ to write by hand One of the input signature images, the digital signature data generating module generates digital signature data according to the signature image; and A front-end electronic device, which is connected to the handwriting device to receive the digital signature data according to a wireless transmission protocol, and includes a storage module and a slot storage module. The audit visa module combination: in = One of the end electronic devices broadcast the case and the digital signature information, and the case has been broadcasted-the broadcast storage module stores the visa-signed digital signature system, 2: the 25th in the scope of patent application Said handwriting 531713 The wireless transmission protocol is a Bluetooth transmission protocol. = 丄 Handwritten digits as described in item 25 of the scope of patent application Where: The poorly-known system, the wireless transmission protocol is an infrared transmission protocol. 2 8. The hand described in the scope of application for patent 5, among which: 18 models are only anonymous system, = digital signature data is generated based on the signature image and input-signature time. The name-sharing shirt is like a hand-written signature data production module that receives a piece of signature data, and the file and the digital front-end device enter the case to the handwritten file storage. Generate the module visa module signature data electronic device signal to connect to the input device group. The file signature system includes one and one coffin handwriting to merge and store according to the signature to generate, which is based on transmission storage and case storage. The model signature image is connected to the visa module. One of the input images is generated from the front end, a visa file, and a wireless transmission. It is stored on the front end and the visa group receives the visa file receiving module and a digital signature image. Receiving a signature image, a file of one of the digital signature devices; and a file of the agreement with the handwriting input electronic device, including a file 3 0 Handwritten digital signature system as described in Shenqing Patent Scope No. 29 Page 531 713 Page 23 531713 MM Word Allowed ~ '一 III I Amendment No. 90113264 V. Description of the Invention (5) Digital signature system and method, and A symbol is used for explanation. Eight identical components will be referred to the same. Please refer to FIG. 1. According to the present invention, the signature system 1 includes a handwritten digit 2 of the handwriting wheel entry w / 彳. . Among them, handwriting and a front-end electronic device-digital signature data generating module 12 f name: f receiving fork group η,: two: ί receiving module 11 receiving-user 3; 7 signature data generating wide / 19, w shirt Like 102 (as shown in Figure 2), the digital || Gi: is generated based on the signature image m-the digital signature front-end electronic t 20 includes-the slot visa visa module 21, [the storage nuclear group 22 and a second benefit妗 bracket cut ,. ^ > Two-two agreement handwriting _ 7 ¥ ^ Two: 5 modes, and 23, and wireless transmission Π, in the Gang & electric device 20, the slot visa visa module 21 incorporates two Λ electronic devices 20, a right case 101 and digital signature information have been answered ^ signed certificate broadcast case 1 04 'the project storage module 22 stores the signature: Shuangcheng file 104, the second wireless communication module 23 and the aforementioned handwriting input device 10 The first wireless communication module 13 performs signal connection. "" In this embodiment, the handwriting input device] can be a pD A jperS () nal dlgital assistant), a signature image receiving module "^ using a handwriting pad set on a PDA, a digital signature data generating module i2 Bay1 is a program module stored in the PDA. After the processor in the PDA executes this process group, it can generate digital signature data 10 based on the signature image 10 entered by the user 80 and the signature time 105. However, it should be noted that those skilled in the art can also use any kind of digital signing module.