TWI518542B - Electronic signature system and electronic signature method - Google Patents

Description

Electronic signature system and electronic signature method

The present invention relates to an identification method, and in particular to an electronic signature system and an electronic signature method.

With the rapid development of the Internet and computers, the signing and stamping of traditional paper documents has evolved into a digital signature or electronic signature. Since electronic signatures are similar to traditional signatures, intuitive use is high. Therefore, the penetration rate is increasing. Regardless of the traditional manual signature stamp or advanced digital signature and electronic signature, the signature must be completed or stamped at the signature of the signature, so that the document is effective. However, there is often one or more signatures on a document. In order to avoid the omission of the signature, the file is invalidated. When the signature of the document is completed, it is usually necessary to confirm it again manually. And there may still be omissions.

The present invention provides an electronic signature system and an electronic signature method that can detect whether a signer has signed a location on the electronic signature file that should be signed.

The electronic signature system of the invention comprises an electronic file module, a file processing module and a signature module. The electronic file module is used to generate an electronic file. The file processing module is connected to the electronic file module, and the location of the signature of the electronic file and the number of signatures to be calculated are calculated to generate signature positioning statistics. The signature module is connected to the file processing module to perform a signature operation, and the signed electronic file is sent back to the file processing module after all the signature programs are completed. The file processing module detects whether the signature position and the number of signatures of the signature operation conform to the signature positioning statistical result, and if the signature position and the signature number of the signature operation conform to the signature positioning statistical result, the electronic file is stored in the electronic file module.

In an embodiment of the invention, the file processing module includes a signature positioning unit and a signature detecting unit. The signature positioning unit locates the signature position of the electronic file and calculates the number of signatures, and generates a signature positioning statistical result. The signature detecting unit detects whether the signature position and the number of signatures of the signature operation conform to the signature positioning statistics result.

In an embodiment of the invention, the file processing module performs image processing or keyword search on the electronic file to generate a signature positioning statistical result.

The electronic signature method of the present invention comprises the following steps. Generate electronic files. Position the electronic document in the signature position and calculate the number of signatures to generate the signature positioning statistics. Receive a signature operation. Check whether the signature position and signature number of the signature operation meet the signature positioning statistics. If the signature location of the signature operation and the number of signatures match the signature positioning statistics, the electronic file is stored.

In an embodiment of the invention, the signature position of the positioning electronic file is The step of calculating and calculating the number of signatures includes performing image processing or keyword search on the electronic file.

In an embodiment of the invention, the image processing includes optical character recognition or image recognition.

Based on the above, the present invention firstly locates the signature position of the electronic file and calculates the number of signatures before performing the signature operation, and detects whether the signature position and the number of signatures of the signature operation meet the signature positioning statistical result after the signature operation is completed, to ensure The signer has signed each location on the electronic signature file that should be signed.

The above described features and advantages of the invention will be apparent from the following description.

100‧‧‧Electronic Signature System

102‧‧‧Electronic document module

104‧‧‧File Processing Module

106‧‧‧Signature Module

108‧‧‧Signature locating unit

110‧‧‧Signature Detection Unit

112‧‧‧Signature Verification Unit

202‧‧‧Electronic devices

204‧‧‧Electronic label

Steps of S302~S312, S402, S502~S506‧‧‧Electronic Signature Method

FIG. 1 is a schematic diagram of an electronic signature system according to an embodiment of the invention.

2 is a schematic diagram of an electronic signature system according to another embodiment of the present invention.

FIG. 3 is a schematic flow chart showing the steps of an electronic signature method according to an embodiment of the invention.

FIG. 4 is a schematic flow chart showing the steps of an electronic signature method according to another embodiment of the present invention.

FIG. 5 is a schematic flow chart showing the steps of an electronic signature method according to another embodiment of the present invention.

FIG. 1 is a schematic diagram of an electronic signature system according to an embodiment of the invention. Referring to FIG. 1 , the electronic signature system 100 includes an electronic file module 102 , a file processing module 104 , and a signature module 106 . The file processing module 104 is connected to the electronic file module 102 and the signature module 106 . For example, it is applied to electronic devices such as embedded devices, computer devices, mobile phones, and tablet computers.

The electronic file module 102 is configured to generate an electronic file to be signed, for example, from a personal computer, a portable electronic device (such as a tablet computer, a notebook computer, a mobile phone), a remote server, or a file. Library and more.

The file processing module 104 can locate the signature position that should be signed on the electronic file and calculate the number of signatures to generate a signature positioning statistical result. In detail, the signature position of the general signature file may have specific features, such as the word "signature" at the signature position, or the blank of the signature position with a bottom line, etc., and the file processing module 104 may The electronic file performs image processing or keyword search to generate signature positioning statistics. For example, if the electronic file is an image file, the file processing module 104 may select an image processing method to locate the signature position and the number of signatures on the electronic file, wherein the image processing may be, for example, optical character recognition ( Optical Character Recognition (OCR) or image recognition, and if the electronic file is an editable file file, such as a Word file file, the file processing module 104 can select a keyword search to locate the signature on the electronic file. The location and the number of signatures should be.

The signature module 106 is configured to receive a signature operation, which can be, for example, a touch tablet or a touch display screen. The signer can touch the input tool such as a stylus or a finger The signature is generated on the control tablet or the touch display screen to generate a signature information, and the signature module 106 sends the signature information back to the file processing module 104. The signature information may include, for example, a signature image of the electronic file and an image feature of the signature operation, and the image feature may include, for example, at least one of a force path, a position, a required time, and a stroke order of the signature operation.

After receiving the signature information, the file processing module 104 can detect whether the signature position and the number of signatures of the signature operation on the electronic file meet the signature positioning statistical result, that is, whether the signer has signed all the positions that should be signed on the electronic file. . If the signature location and the number of signatures of the signature operation are consistent with the signature positioning statistics, the file processing module 104 may store the electronic file to the electronic file module 102 after the signature operation, or simultaneously transmit the file to the remote server or database. In some embodiments, the file processing module 104 can further verify whether the signer's signature is the signature of the person, that is, verify the signer's signature, in addition to detecting whether the signer has signed all the positions that should be signed on the electronic file. The authenticity. After verifying that the signer's signature is true, the electronic file is stored in the electronic file module 102 or transmitted to a remote server or database.

In detail, the file processing module 104 can store the information of the preset image feature, and determine the authenticity of the signature of the signer according to the signature information transmitted by the signature module 106, for example, the image feature of the signature operation (signature) At least one of the force, position, time required, and stroke order of the operation is compared with the preset image feature to determine whether the identity of the signer is correct. The preset image feature is an image feature signed by the person, and may also include a signature force, a position, a required time, a stroke order, and the like. At least one of the image features determines that the signer's signature is true when the signer's signed image feature matches the preset image feature.

In addition, when the file processing module 104 detects that the signer does not have all the signatures to be signed on the electronic file, or the file processing module 104 determines that the image feature signed by the signer does not match the preset image feature, The file processing module 104 can send a message to the signer, for example, to display the location and quantity of the signer that has not been signed on the display screen, or to inform the signer that the signature does not match, and the signer is re-signed. Or, in some embodiments, if the image features of the partially signed image on the electronic file match the preset image features, the file processing module 104 can automatically embed the digital signature to save the time of the signer.

In detail, as shown in FIG. 1 , the file processing module 104 may include a signature positioning unit 108 , a signature detecting unit 110 , and a signature verification unit 112 . The signature positioning unit 108 is configured to locate the signature position of the electronic file and calculate the number of signatures to generate a signature positioning statistical result, and the signature detecting unit 110 is configured to detect whether the signature position and the signature number of the signature operation meet the signature positioning statistical result, and the signature The verification unit 112 can store the information of the preset image feature, and encode and decode the information of the preset image feature. When the signature verification is required, the decoded image feature information and the signature operation image are decoded. The feature is compared to determine whether the image feature of the signature operation conforms to the preset image feature. That is, the signature positioning unit 108, the signature detecting unit 110, and the signature verification unit 112 respectively perform related actions of signature positioning, detection, and verification. Since the above embodiments have explained the implementation of signature positioning, detection, and verification, No longer.

It should be noted that in some embodiments, the signature locating unit 108 and the signature verification unit 112 may not need to be configured in the file processing module 104. For example, when performing a credit card signing, the authenticity of the verification signature is executed on the server side, and the information verifying the authenticity of the signature (such as the above-mentioned preset image feature) is provided to the client, so the file The processing module 104 only has to perform the work of signature positioning and detection. Or, the work of signature location is also performed by the server, and the file processing module 104 only needs to perform the work of signature detection. For another example, the signature verification unit 112 can be a reader that is connected to the electronic device 202 that applies the electronic signature system 100. The electronic device 202 can be, for example, an embedded device, a computer device, a mobile phone, a tablet, or the like. The reader (signature verification unit 112) can read an electronic tag 204 (shown in FIG. 2) that stores at least one of information representative of the user's identity and information of the predetermined image feature. The information between the signature verification unit 112 and the electronic tag 204 can be communicated, for example, by NFC, Bluetooth, WiFi, Zigbee, USB, etc., and the information of the user identity and the information of the preset image feature can be, for example, safe. The encoding can be decoded by the signature verification unit 112 after reading to facilitate subsequent identity verification or alignment of the image features of the preset image features and the signature operation. In various embodiments, signature verification unit 112 may more be, for example, a physiological detector that can detect physiological features used, such as only smell, iris, sound, etc.

In addition, the file processing module 104 can be, for example, a code segment written by a computer programming language. The code segment can be stored, for example, in a storage device (not shown) and includes a plurality of instructions by a processor (not drawn Show) to execute the above code fragment. In addition, in other embodiments, the file processing module 104 may also be one or A hardware component consisting of a plurality of circuits coupled to the processor and driven by the processor. For example, the file processing module 104 can be a portable device such as a key-pro. The user can connect the protection lock to the connection port of the computer when performing electronic signature, such as a printer. Etc., so that the file processing module 104 can perform actions such as signature positioning, detection, and verification as described above, thereby further improving the security of the electronic signature.

FIG. 3 is a schematic flow chart showing the steps of an electronic signature method according to an embodiment of the invention. Referring to FIG. 3, the electronic signature method of the above electronic signature system may be summarized as follows. First, an electronic file is generated (step S302), wherein the electronic file can be, for example, from a personal computer, a portable electronic device (such as a tablet computer, a notebook computer, a mobile phone), a remote server or a database, and the like. Then, the location of the signature of the electronic file is calculated and the number of signatures is calculated to generate a signature positioning statistical result (step S304). The method for locating the electronic file may be, for example, performing image processing or keyword search on the electronic file to locate the electronic file. The location of the signature should be calculated and the number of signatures should be calculated. The manner of image processing can be, for example, optical character recognition or image recognition. Then, a signature operation is received (step S306). Thereafter, it is detected whether the signature position and the number of signatures of the signature operation conform to the signature positioning statistical result (step S308), and if the signature position and the signature number of the signature operation conform to the signature positioning statistical result, the electronic file is stored (step S310). Conversely, if the signature position and the number of signatures of the signature operation do not match the signature positioning statistics result, a prompt message is sent (step S312) to inform the signer of the location and the number of signatures that have not been signed, and then return to step S306 to receive the signature of the signer. operating.

4 is a flow chart of an electronic signature method according to another embodiment of the present invention; Schematic diagram. Referring to FIG. 4, the electronic signature method of the present embodiment further includes step S402 compared to the embodiment of FIG. 3, that is, after the step of receiving the signature operation (step S306), it is further determined whether the image feature of the signature operation conforms. The image feature is preset (step S402), wherein the image feature and the preset image feature of the signature operation may each include at least one of a signature force, a position, a required time, and a stroke order. If the image feature of the signature operation conforms to the preset image feature, then step S308 is performed to detect whether the signature position and the number of signatures of the signature operation conform to the signature positioning statistical result. If the image feature of the signature operation does not conform to the preset image feature, then step S312 is performed to issue a prompt message to inform the signer to re-sign.

FIG. 5 is a schematic flow chart showing the steps of an electronic signature method according to another embodiment of the present invention. Referring to FIG. 5, the electronic signature method of this embodiment further includes steps S502 to S506 compared to the embodiment of FIG. 2. After receiving the signature operation (step S306), it is first determined whether the image feature of the signature operation conforms to the preset image feature (step S502), and if the image feature that has been subjected to the signature operation does not conform to the preset image feature, then the step is entered. S312, sending a prompt message to inform the signer to re-sign. If the image feature that has been subjected to the signature operation conforms to the preset image feature, then it is determined whether the signature position and the number of signatures of the signature operation conform to the signature positioning statistical result (step S504). If the signature position and the number of signatures of the signature operation match the signature positioning statistics result, the process proceeds to step S310 to store the electronic file. If the signature position and the number of signatures of the signature operation do not match the signature positioning statistics result, the digital signature is embedded in the signature position where the signature operation is not performed (step S506), and then proceeds to step S310 to store the electronic file.

In summary, the present invention locates an electronic message by performing a signature operation. The signature position of the piece and the number of signatures should be calculated to generate the signature positioning statistics result, and after the signature operation is completed, check whether the signature position of the signature operation and the number of signatures meet the signature positioning statistics to ensure that the signer is already on the electronic signature file. Sign each location that should be signed. In some embodiments, the authenticity of the signature can be verified, and a message is sent to remind the signer of the location and quantity that has not been signed, or the signer is notified that the signature does not match, and the signer is re-signed. In addition, in some embodiments, when the signature position and the number of signatures of the signature operation do not meet the signature positioning statistical result, and the image feature of the signature position of the signature operation conforms to the preset image feature, the signature operation may not be performed. The signing position is embedded in the digital signature to save time for the signer to sign.

Steps of S302~S312‧‧‧Electronic Signature Method

Claims (7)

An electronic signature system comprising: an electronic file module, generating an electronic file; a file processing module, connecting the electronic file module, locating the signature position of the electronic file and calculating the number of signatures to generate a signature positioning a statistical result; and a signature module connected to the file processing module to perform a signature operation; the file processing module determines whether the image feature of the signature operation conforms to a predetermined image feature, if the image of the signature operation If the feature does not conform to the preset image feature, a prompt message is sent, and if the image feature of the signature operation conforms to the preset image feature, detecting whether the signature position and the signature number of the signature operation meet the signature positioning statistical result, The signature position and the number of signatures of the signature operation are consistent with the signature positioning statistics result, and the electronic file is stored in the electronic file module. If the signature positioning statistical result is not met, the electronic file that is not subjected to the signature operation should be signed. The location is embedded with a digital signature. The electronic signature system of claim 1, wherein the file processing module comprises: a signature positioning unit, positioning a signature position of the electronic file and calculating a signature number, and generating the signature positioning statistical result; The signature detecting unit detects whether the signature position and the number of signatures of the signature operation conform to the signature positioning statistics result. Such as the electronic signature system described in claim 1 of the patent scope, wherein the document The processing module further performs an image processing or a keyword search on the electronic file to generate the signature positioning statistical result. The electronic signature system of claim 3, wherein the image processing comprises optical character recognition or image recognition. An electronic signature method includes: receiving an electronic file; locating the signature position of the electronic file and calculating the number of signatures to generate a signature positioning statistical result, receiving a signature operation; determining whether the image feature of the signature operation conforms to a signature Determining an image feature, if the image feature of the signature operation does not conform to the preset image feature, issuing a prompt message; if the image feature of the signature operation conforms to the preset image feature, detecting the signature of the signature operation Whether the location and the number of signatures meet the signature positioning statistical result; if the signature location and the signature number of the signature operation conform to the signature positioning statistics result, the electronic file is stored; and if the signature positioning statistical result is not met, the signature operation is not performed. The digital signature of the electronic document should be embedded in the signature. The electronic signature method of claim 5, wherein the step of locating the signature position of the electronic document and calculating the number of signatures comprises: performing an image processing or a keyword search on the electronic file. The electronic signature method of claim 6, wherein the image processing comprises optical character recognition or image recognition.