CN104112201A - Electronic bill data transmitting and receiving methods and apparatuses - Google Patents
Electronic bill data transmitting and receiving methods and apparatuses Download PDFInfo
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- CN104112201A CN104112201A CN201310139791.1A CN201310139791A CN104112201A CN 104112201 A CN104112201 A CN 104112201A CN 201310139791 A CN201310139791 A CN 201310139791A CN 104112201 A CN104112201 A CN 104112201A
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- electronic bill
- data
- bill data
- identification information
- watermark signal
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Abstract
The invention provides an electronic bill data transmitting method and receiving method. The electronic bill data transmitting method comprises the following steps that: identification information of a receiving end apparatus is acquired; watermark signals representing the identification information are generated; the watermark signals are embedded into electronic bill data; and the electronic bill data with the watermark signals are transmitted to the receiving end apparatus. The invention also provides the electronic bill data receiving method. The electronic bill data receiving method comprises the following steps that: electronic bill data with watermark signals are received; the watermark signals are extracted from the received electronic bill data; and whether the received electronic bill data are original electronic bill data can be identified according the integrity of the extracted watermark signals, wherein the watermark signals represent the identification information of a target receiving end apparatus. The invention also provides an electronic bill data transmitting end apparatus and an electronic bill data receiving end apparatus which correspondingly execute the above methods.
Description
Technical field
Relate generally to Technology On Data Encryption of the present invention field, and relate to particularly method of sending and receiving and the equipment of electronic bill data.
Background technology
Electronic bill is a pith in ecommerce, and it realizes tradition by internet with electronic information transmission form the function of paper bill.The core concept of electronic bill is exactly by bill electronization in kind, the behavior such as the bill of this electronization can be transferred the possession of, discounts, pledges as bill in kind, collection.Electronic bill is not limited by time and space in use, has simplified thus formality, has reduced link, and the time in transit of concluding the business shortens greatly, and efficiency is able to very big lifting.On the other hand, for electronic bill, the centralized management of bill will become simply, without carrying out transfer in kind, also effectively control risk in reducing costs.
In application, electronic bill transmits in various data networks with the form of view data conventionally.But under internet environment, the safeguard protection problem of electronic bill information is very outstanding, this is the bottleneck of its development of restriction and popularization.Because internet has abundant opening, manages loose and in the air protecting, realize the widespread use of electronic bill, must be able to guarantee the safety of electronic data.
At present, guarantee identification, data integrity, non-repudiation and the confidentiality of electronic bill information by using technology such as PKI technology, the transmission of special line road, encryption and decryption, but the effective solution that still has many particular problems not obtain.For example, though have many encryption technologies that the antiforge function of numeric field can be provided image, prevent illegally the distorting of image, but still cannot the replication status of image effectively be monitored and be followed the tracks of, cannot judge whether an image is one and copies version, can not prevent image bootlegging.
Summary of the invention
The object of this invention is to provide and a kind ofly can ensure the security of electronic bill data transmission, particularly can prevent from, to illegally the distorting and the method for bootlegging of electronic bill, promoting thus the widespread use of electronic bill technology.
For achieving the above object, the invention provides a kind of sending method of electronic bill data, described method comprises: the identification information that obtains receiving device; Generate the watermark signal that represents described identification information; Described watermark signal is embedded in electronic bill data; And send the electronic bill data with described watermark signal to receiving device.
According to some embodiments of the present invention, adopt and generate to revising responsive fragile watermarks algorithm the watermark signal that represents described identification information.
According to some embodiments of the present invention, the identification information of described receiving device comprises the International Mobile Equipment Identity code of the media access control address of networking gear, mobile device or unique sequence number of IC-card.
In another aspect of this invention, provide a kind of method of reseptance of electronic bill data, described method comprises: receive the electronic bill data with watermark signal; From watermark signal described in received electronic bill extracting data; And differentiate according to extracted watermark signal whether received electronic bill data are original electronic ticket data, and wherein said watermark signal represents the identification information of the target receiving device of electronic bill data.
According to some embodiments of the present invention, extract failed in the situation that at described watermark signal, received electronic bill data are judged as YES to the electronic bill data of being distorted or destroying.
According to some embodiments of the present invention, to extract in successful situation at described watermark signal, described method also comprises: the identification information that extracts actual receiving device; The target receiving device identification information that described watermark signal is represented and the actual receiving device identification information comparison of extracting; And differentiate according to described comparative result whether described electronic bill data are original electronic ticket data.
According to some embodiments of the present invention, in the situation that described two equipment identification informations are equal, described electronic bill data are judged as YES to original electronic ticket data; And in described two unequal situations of equipment identification information, described electronic bill data are judged as YES to the electronic bill data that copy.
Provide a kind of sending ending equipment of electronic bill data also on the one hand of the present invention, described equipment comprises: identifier acquisition module, for obtaining the identification information of receiving device; Watermark generation module, for generating the watermark signal that represents described identification information; Watermark merge module, for embedding electronic bill data by described watermark signal; And data transmission blocks, for send the electronic bill data with described watermark signal to receiving end preparation.
In still another aspect of the invention, provide a kind of receiving device of electronic bill data, described equipment comprises: data reception module, for receiving the electronic bill data with watermark signal; Watermark extracting module, for watermark signal described in the electronic bill extracting data from received; And data identification module, for differentiating according to the extraction result of watermark signal whether received electronic bill data are original electronic ticket data, and wherein said watermark signal represents the identification information of the target receiving device of electronic bill data.
Can contribute to distorting with replication status of electronic bill to identify fast and accurately by method provided by the present invention, thereby can effectively prevent from swindling etc. by electronic bill the generation of criminal offence, greatly improve thus the security of electronic bill transmission, be conducive to the extensively universal of this novel payment and settlement instrument, make people can enjoy the convenience that it brings.
Brief description of the drawings
Foregoing and other target of the present invention, feature and advantage will be according to being apparent to the more specific description of embodiments of the invention below, and these embodiment are illustrated in the accompanying drawings.
Fig. 1 shows the indicative flowchart of electronic bill data transmission method for uplink according to an embodiment of the invention.
Fig. 2 shows the indicative flowchart of electronic bill data receive method according to an embodiment of the invention.
Fig. 3 shows the schematic block diagram of electronic bill data sending terminal equipment according to an embodiment of the invention.
Fig. 4 shows the schematic block diagram of electronic bill data receiver equipment according to an embodiment of the invention.
Embodiment
Further describe the present invention below in conjunction with the drawings and specific embodiments.It should be noted that, the each structure in accompanying drawing just schematically illustrates, and with so that those of ordinary skill in the art understand principle of the present invention best, it is not necessarily drawn in proportion.
In practice, an important indicator of electronic bill data security information is true integrality, and the information receiving is to be sent by legal sender really, and content is not tampered or is replaced.The electronic bill data input and data output method that embodiments of the invention provide can contribute to judge quickly and accurately whether transmitted electronic bill data are tampered or replace and whether be the data of bootlegging, thereby has improved to a great extent the security of electronic bill data transmission.
Fig. 1 shows the indicative flowchart of electronic bill data transmission method for uplink according to an embodiment of the invention.In the stage of electronic bill distribution, conventionally utilize digital network that electronic bill data are downloaded or are transferred on specific physical equipment.The electronic bill platform of being responsible for generation electronic bill data will establish a communications link with the physical equipment of target receiving end, adopts and comprises various wired or wireless communication connected mode known or leaved for development, and electronic bill data are carried out sending and receiving on this basis.
In Fig. 3, schematically show the sending ending equipment of electronic bill data according to an embodiment of the invention, it can comprise identifier acquisition module 301, watermark generation module 302, watermark merge module 303 and data transmission blocks 304.The concrete function of each module will be described in detail in conjunction with Fig. 1 hereinafter.Sending ending equipment 300 shown in Fig. 3 can be a part for general electronic bill platform, or can be and the autonomous device of electronic bill platform coupling.One skilled in the art should appreciate that sending ending equipment 300 can any software or the mode of hardware realize, and the Module Division shown in Fig. 3 is only schematically, but not determinate.
According to the embodiment shown in Fig. 1, before sending electronic bill data, first identifier acquisition module 301 is used to obtain the identification information of receiving end physical equipment in step S101.Used in practice can have unique identification information conventionally with the physical equipment of electronic bill platform communication connection, and this identification information generally has uniqueness.For instance, for the networking gear of the access such as personal computer, its unique equipment identification information can be media interviews control MAC (Media Access Control) address; For the mobile device such as mobile phone, its unique equipment identification information can be International Mobile Equipment Identity IMEI (International Mobile Equipment Identity) code; For IC-card, it can be its unique sequence number.Electronic bill platform can by and receiving end physical equipment between information interaction obtain its unique identification information, or electronic bill platform also can be by obtaining the unique identification information of target device such as the third party of data server
deviceId.
Then in step S102, sending ending equipment 300 can generate the watermark signal that represents described identification information by watermark generation module 302, and its process can be expressed as:
, wherein F is watermark signal generative process,
for watermark signal.
Digital watermarking (Digital Watermark) technology refers to substantially and in digitized multi-medium data, embeds hidden mark by the method for signal processing, and this mark is normally sightless, only has by special detecting device or reader and could extract.Digital watermarking must possess disguise, after embed watermark, can not cause and significantly degrades and be difficult for being discovered; And the security of stowed position, watermark information is hidden in data but not in file header, the conversion of file layout should not cause the loss of watermark data.Digital watermarking can be divided into robust digital watermark and fragile digital watermark two classes by the characteristic of watermark.Fragile watermark signal has very strong susceptibility to illegal distorting, as long as there is any type of change such as the digital picture works of electronic bill, watermark all cannot be detected again, therefore can be effectively for preventing illegally distorting electronic bill.In a preferred embodiment of the invention, can adopt and generate to revising responsive fragile watermarks algorithm the watermark signal that represents receiving device identification information.
And then in step S103, sending ending equipment 300 can be embedded into generated watermark signal in original electronic bill data by watermark merge module 303, its process can be expressed as:
, wherein
with
represent respectively the electronic bill data before embedding and after embedding,
represent watermark embed process.
By being embedded in electronic bill data the unique identification information of the target receiving device of electronic bill as watermark signal, it is bound that electronic bill and expection receive its target device.Thus, can carry out accurately and effectively differentiating to electronic bill by this watermark signal at receiving end, prevent the generation bootlegging of electronic bill data and the situation of illegally distorting.To describe in detail in conjunction with Fig. 2 and Fig. 4 hereinafter.
Finally, in step S104, sending ending equipment 300 can send the electronic bill data with watermark signal to receiving device by data transmission blocks 304.
Fig. 2 shows the indicative flowchart of electronic bill data receive method according to an embodiment of the invention, and it is suitable for receiving the electronic bill data that send according to embodiments of the invention.
In Fig. 4, schematically show the receiving device of electronic bill data according to an embodiment of the invention, it can comprise data reception module 401, watermark extracting module 402 and data identification module 403 substantially.The concrete function of each module will be described in detail in conjunction with Fig. 2 hereinafter.Sending ending equipment 400 shown in Fig. 4 can be part receiving devices such as mobile phone, personal computer, large-scale processor, or can be the autonomous device being coupled with similar devices.One skilled in the art should appreciate that receiving end end equipment 400 can any software or the mode of hardware realize, and the Module Division shown in Fig. 4 is only schematically, but not determinate.
First in step S201, receiving device 400 can receive the electronic bill data with watermark signal by data reception module 401, the electronic bill data of for example utilizing the method for Fig. 1 to produce.
Then in step S202, receiving device 400 can be by watermark extracting module 402 from received electronic bill extracting data watermark signal.According to some embodiments of the present invention, can in watermark extracting module 402, set in advance the inverse process of the watermark generation of transmitting terminal.As mentioned above, conventionally adopt and generate this watermark signal to revising responsive fragile watermarks algorithm.Therefore,, if original electronic bill data are distorted, watermark extraction process cannot be successful.Only in original electronic ticket data without any change in the situation that, watermark extracting module 402 just may intactly extract watermark signal.Whether successfully watermark extracting module 402 can send instruction watermark extracting signal to data identification module 403.
Finally, in step S203, receiving device 400 can differentiate according to the extraction result of watermark signal whether received electronic bill data are original electronic ticket data by data identification module 403.Indicate watermark signal to extract failed signal in the case of obtaining, data identification module 403 can be judged as YES the electronic bill data of being distorted or destroying by received electronic bill data.
Further, according to some embodiments of the present invention, receiving device 400 can also comprise marker extraction module and mark comparison module.The unique identification information that marker extraction module can be used to extract the actual receiving device self of receiving electronic bill data, particularly extracts in successful situation at watermark signal.Correspondingly, mark comparison module can be used to watermark signal to represent target receiving device identification information and the actual receiving device identification information comparison of extracting.Thus, the facility information that data identification module 403 can comprise by the watermark signal comparing in electronic bill data and the equipment identification information at the actual place of electronic bill differentiate that whether received electronic bill is original electronic bill data, that is to say and judges whether this electronic bill is the data that copy.
In the situation that these two equipment identification informations are equal, data identification module 403 can be judged as YES original electronic ticket data by received electronic bill data; And received electronic bill data are judged as YES to the electronic bill data that copy in these two unequal situations of equipment identification information, thereby effectively prevent the propagation of the electronic bill of bootlegging.
More than enumerate some specific embodiments and illustrated in detail the present invention, these a few examples are only for explanation principle of the present invention and embodiment thereof, but not limitation of the present invention, without departing from the spirit and scope of the present invention, those of ordinary skill in the art can also make various distortion and improvement.Therefore all technical schemes that are equal to all should belong to category of the present invention also by every claim of the present invention is limited.
Claims (16)
1. a sending method for electronic bill data, is characterized in that, described method comprises:
Obtain the identification information of receiving device;
Generate the watermark signal that represents described identification information;
Described watermark signal is embedded in electronic bill data; And
Send the electronic bill data with described watermark signal to receiving device.
2. the method for claim 1, is characterized in that, adopts and generates to revising responsive fragile watermarks algorithm the watermark signal that represents described identification information.
3. the method for claim 1, is characterized in that, the identification information of described receiving device comprises the International Mobile Equipment Identity code of the media access control address of networking gear, mobile device or unique sequence number of IC-card.
4. a method of reseptance for electronic bill data, is characterized in that, described method comprises:
Receive the electronic bill data with watermark signal;
From watermark signal described in received electronic bill extracting data; And
Differentiate according to the extraction result of watermark signal whether received electronic bill data are original electronic ticket data, and wherein said watermark signal represents the identification information of the target receiving device of electronic bill data.
5. method as claimed in claim 4, is characterized in that, extracts failed in the situation that at described watermark signal, received electronic bill data is judged as YES to the electronic bill data of being distorted or destroying.
6. method as claimed in claim 4, is characterized in that, extracts in successful situation at described watermark signal, and described method also comprises:
Extract the identification information of actual receiving device;
The target receiving device identification information that described watermark signal is represented and the actual receiving device identification information comparison of extracting; And
Differentiate according to described comparative result whether described electronic bill data are original electronic ticket data.
7. method as claimed in claim 6, is characterized in that, in the situation that described two equipment identification informations are equal, described electronic bill data is judged as YES to original electronic ticket data; And in described two unequal situations of equipment identification information, described electronic bill data are judged as YES to the electronic bill data that copy.
8. method as claimed in claim 4, is characterized in that, the identification information of described receiving device comprises the International Mobile Equipment Identity code of the media access control address of networking gear, mobile device or unique sequence number of IC-card.
9. a sending ending equipment for electronic bill data, is characterized in that, described equipment comprises:
Identifier acquisition module, for obtaining the identification information of receiving device;
Watermark generation module, for generating the watermark signal that represents described identification information;
Watermark merge module, for embedding electronic bill data by described watermark signal; And
Data transmission blocks, for sending the electronic bill data with described watermark signal to receiving end preparation.
10. equipment as claimed in claim 9, is characterized in that, described watermark generation module is configured to adopt and generates to revising responsive fragile watermarks algorithm the watermark signal that represents described identification information.
11. equipment as claimed in claim 9, is characterized in that, the identification information of described receiving device comprises the International Mobile Equipment Identity code of the media access control address of networking gear, mobile device or unique sequence number of IC-card.
The receiving device of 12. 1 kinds of electronic bill data, is characterized in that, described equipment comprises:
Data reception module, for receiving the electronic bill data with watermark signal;
Watermark extracting module, for watermark signal described in the electronic bill extracting data from received; And
Data identification module, for differentiating according to the extraction result of watermark signal whether received electronic bill data are original electronic ticket data, and wherein said watermark signal represents the identification information of the target receiving device of electronic bill data.
13. equipment as claimed in claim 12, is characterized in that, described data identification module is configured to extract failed in the situation that at described watermark signal, received electronic bill data is judged as YES to the electronic bill data of being distorted or destroying.
14. equipment as claimed in claim 12, is characterized in that, described equipment also comprises:
Marker extraction module, for extracting the identification information that extracts actual receiving device in successful situation at described watermark signal; And
Mark comparison module, for the target receiving device identification information that described watermark signal is represented and the actual receiving device identification information comparison of extracting; And
Described data identification module is also configured to differentiate according to described comparative result whether described electronic bill data are original electronic ticket data.
15. equipment as claimed in claim 14, is characterized in that, described data identification module is configured to, in the situation that described two equipment identification informations are equal, described electronic bill data are judged as YES to original electronic ticket data; And in described two unequal situations of equipment identification information, described electronic bill data are judged as YES to the electronic bill data that copy.
16. equipment as claimed in claim 12, is characterized in that, the identification information of described receiving device comprises the International Mobile Equipment Identity code of the media access control address of networking gear, mobile device or unique sequence number of IC-card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310139791.1A CN104112201B (en) | 2013-04-22 | 2013-04-22 | The method of sending and receiving and equipment of electronic bill data |
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| CN201310139791.1A CN104112201B (en) | 2013-04-22 | 2013-04-22 | The method of sending and receiving and equipment of electronic bill data |
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| CN104112201B CN104112201B (en) | 2018-05-18 |
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| CN111209577A (en) * | 2019-12-31 | 2020-05-29 | 航天信息股份有限公司 | Method and device for adding watermark data, storage medium and electronic equipment |
| CN111639313A (en) * | 2020-05-13 | 2020-09-08 | 广州国音智能科技有限公司 | File transmission method, device, terminal and computer readable storage medium |
| CN113701832A (en) * | 2021-08-28 | 2021-11-26 | 上海光华仪表有限公司 | Control method and system of high-voltage union electromagnetic flowmeter |
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