TWI650988B - Digital data transmission system, device thereof and method therefor - Google Patents

Abstract

A digital data transmission system includes an identification conversion mechanism, a transmitting end device and a receiving end device, and the receiving end device has a self identification code, and the transmitting end device has the identification conversion mechanism. The identification conversion mechanism converts a destination identification code into a destination tag and combines the destination tag with a digital data to form a tagged digital data. The transmitting end device transmits the marked digital data, and the receiving end device uses the self identification code to compare the marked digital data. If the self-identification code does not meet the marked digital data, the receiving device does not receive the marked digital data. If the self-identification code conforms to the marked digital data, the receiving device can receive and process the marked digital data.

Description

Digital data transmission system, device thereof and method thereof

The present invention relates to a digital data transmission system, an apparatus therefor and a method thereof, and more particularly to a digital data transmission system for identifying a mask by means of a destination mark, an apparatus and a method thereof, and more particularly to a non- The unique purpose marking method identifies the digital data transmission system, its device and its method.

Conventional data transmission system and method thereof, for example, US Patent No. 4,063,220, Multipoint Data Communication System with Collision Detection, discloses a multi-point data transmission system. The multi-point data transmission system includes a plurality of wireless transceivers, and the wireless transceiver device includes a transmission portion, a receiving portion and a gate portion, and the gate portion is used for comparing an interface level and a transmission line. Information.

Another conventional data transmission system and method thereof, for example, U.S. Patent No. 4,868,811, Multiple Access Communication System, discloses a multi-access communication system. The multi-access communication system utilizes a plurality of communication channels and a common signalling channel, and the communication channels and the common signal indication channels are respectively configured with different carrier frequencies.

Another conventional data transmission system and method thereof, for example, US Patent No. 6,418,480, Communication Packet Including a Multicast Address and a Destination Address Different than an Equivalent to the Multicast Address, which discloses a virtual communication system, which includes a multicast address and a destination address different from an equivalent multiple broadcast address.

Another conventional data transmission system and method thereof, for example, US Patent Publication No. US2009/0135446, Data Communication System Transmitting Data to Restored Destination Address, Address Management Apparatus, Data Communication Apparatus, Address Management Method, and Address Management Program Patent application, which discloses a data transmission system. The data transmission system includes a server and a multi-function peripheral (MFP), and the server and the multi-function peripheral can transmit data to each other. The multi-function peripheral transmits a data to the server, and the data includes a source address of the other device, and the multi-function peripheral receives one of the destination address data transmitted by the server.

The conventional data transmission system of the above-mentioned U.S. Patent No. 4, 406, 032, U.S. Patent No. 4, 688, 811, U.S. Patent No. 6, 418, 480, and U.S. Patent Publication No. US-A-2009/0135446 is a data transmission system for identifying the position of the receiving end. There must be a need for further improvement. The above-mentioned patents and applications are merely for the purpose of the present invention and are not intended to limit the scope of the present invention.

In view of the above, the present invention provides a digital data transmission system, an apparatus therefor, and a method thereof, which convert at least one object identification code (or at least one destination address) into at least one destination mark, in order to meet the above technical problems and needs. And combining the target tag with the at least one digit data to form a tagged digital data, and transmitting the tagged digital data to the at least one receiving device or the at least one receiving device group by using at least one transmitting device, and the receiving The end device or the receiving device group utilizes at least one self identification The code (or at least one own address) is compared to determine whether the marked digital data is received. Therefore, the data transmission system and the method for identifying the location identifier used by the receiving end can greatly improve the data transmission security and data decryption difficulty. Confidentiality of information content.

The main object of the present invention is to provide a digital data transmission system, an apparatus therefor, and a method thereof, which convert at least one object identification code (or at least one destination address) into at least one destination mark, and combine the target mark with at least one Digital data to form a marked digital data and to transmit the marked digital data to at least one receiving device or at least one receiving device group by using at least one transmitting device, and the receiving device or the receiving device group utilizes at least A self-identification code (or at least one own address) is compared to determine whether to receive the marked digital data, so as to achieve the purpose of improving the security of data transmission, the difficulty of data cracking and the confidentiality of data content.

In order to achieve the above object, a digital data transmission system according to a preferred embodiment of the present invention includes: at least one identification conversion mechanism that converts at least one destination identification code into at least one destination label, and combines the destination label with at least one digit data, To form a marked digital data; at least one transmitting device having the identification conversion mechanism, and the transmitting device transmitting the marked digital data; and at least one receiving device having at least one own identification code; The receiving end device uses the self identification code to determine the marked digital data; if the self identification code does not meet the marked digital data, the receiving device does not receive or continue to process the marked digital data; or If the self-identification code conforms to the marked digital data, the receiving device can receive and process the marked digital data.

In order to achieve the above object, the digital position of the preferred embodiment of the present invention The data transmission method includes: converting at least one destination identification code into at least one destination mark, and combining the target mark with at least one digital data to form a marked digital data; and using the at least one transmitting device to mark the digital data Transmitting, and the transmitting device has the identification conversion mechanism; at least one receiving device or at least one receiving device group selectively sets at least one own identification code, so that the receiving device or the receiving device group utilizes the self identification code Comparing and determining the marked digital data; and if the self identification code does not meet the marked digital data, the receiving device or the receiving device group does not receive or continue processing the marked digital data; or if the self identification When the code conforms to the marked digital data, the receiving device or the receiving device group can receive and process the marked digital data.

The identification conversion mechanism of the preferred embodiment of the present invention includes a pre-address screening step or a pre-address conversion step.

The identification conversion mechanism of the preferred embodiment of the present invention selects an address confusion technique or an address fusion technique.

The address obfuscation technique of the preferred embodiment of the present invention includes a redundancy obfuscation technique or an erasure obfuscation technique; or the address fusion technology includes an intersection fusion technique or a union fusion technique.

The receiving of the receiving device of the preferred embodiment of the present invention includes an address filtering step.

The object of the preferred embodiment of the present invention is labeled at least one destination address, at least one destination network card address, at least one destination MAC address, at least one destination IP address, any combination thereof, or other tagged material.

The object marking of the preferred embodiment of the invention has a fixed length target mark or a non-fixed length purpose mark.

In the preferred embodiment of the present invention, the self identification code is at least one own address or other identification data.

In the preferred embodiment of the present invention, the marked digital data is at least one signal frame, at least one packet data or other digital data.

The transmitting end device of the preferred embodiment of the present invention generates the destination identification code using at least one hash function.

In a preferred embodiment of the present invention, a plurality of different destination or marked digital data can be transmitted and received between the same transmitting device and the same receiving device.

In a preferred embodiment of the present invention, a plurality of different destination or marked digital data can be transmitted and received between a plurality of the transmitting device and a plurality of receiving devices.

1‧‧‧Multiple access communication network

11‧‧‧Marked processing data

2‧‧‧Communication device

20‧‧‧ Identification conversion mechanism

21‧‧‧Transport device

22‧‧‧ Receiving device

FIG. 1 is a schematic diagram showing the architecture of a digital data transmission system connecting a plurality of communication devices according to a preferred embodiment of the present invention.

Figure 2 is a schematic diagram of data transmission between a plurality of communication devices by a digital data transmission system in accordance with a preferred embodiment of the present invention.

FIG. 3A is a schematic diagram showing the format of a signal frame for data transmission of the digital data transmission system according to the preferred embodiment of the present invention.

FIG. 3B is a schematic diagram showing the format of the data transmission of the digital data transmission system according to the preferred embodiment of the present invention.

Figure 4 is a flow chart showing the digital data transmission method of the preferred embodiment of the present invention.

Figure 5 is a schematic diagram of a digital data transmission system in accordance with a preferred embodiment of the present invention for data transmission using a destination tag.

Figure 6 is a schematic diagram of a digital data transmission system in accordance with a preferred embodiment of the present invention for transmitting data using multiple destination tags.

Figure 7A: Figure of the digital data transmission system of the preferred embodiment of the present invention The material transmission uses a schematic diagram of the original Ethernet network card address.

Figure 7B: The data transmission of the digital data transmission system in the preferred embodiment of the present invention is a schematic diagram of setting the multicast confusion of the multicast bits and the bit address.

Figure 7C: The data transmission of the digital data transmission system of the preferred embodiment of the present invention uses a set of multicast bits and a bit address to erase the confusion.

Figure 8A is a schematic diagram showing the data transmission of the digital data transmission system of the preferred embodiment of the present invention using the original Ethernet network card address.

FIG. 8B is a schematic diagram showing the data transmission of the digital data transmission system according to the preferred embodiment of the present invention by setting the intersection of the group broadcast bit and the bit address.

FIG. 8C is a schematic diagram of data transmission of a digital data transmission system according to a preferred embodiment of the present invention, which uses a combination of a group broadcast bit and a bit address.

In order to fully understand the present invention, the preferred embodiments of the present invention are described in detail below, and are not intended to limit the invention.

The digital data transmission system, the device and the method thereof according to the preferred embodiment of the present invention select various data transmission systems, devices and methods thereof, for example, various regional networks (for example, Ethernet/WiFi regional network), various mobile communication networks. Roads (eg, LTE mobile communication networks), various short-range communications (eg, Bluetooth or ZigBee short-range communications), various IP networks, or other data transmission networks, but are not intended to limit the scope of application of the present invention.

FIG. 1 is a schematic diagram showing the architecture of a digital data transmission system connecting a plurality of communication devices according to a preferred embodiment of the present invention. Referring to FIG. 1 , the digital data transmission system of the preferred embodiment of the present invention is implemented in a multiple access communication network 1 or other network, and utilizes the multiple access communication network. 1 A plurality of communication devices (or various devices having communication functions) 2 are connected, and data transmission is performed between the plurality of communication devices (or various devices having communication functions) 2 by means of a destination identification conversion destination mark. For example, the purpose identifies an identification code (ID), an address, or other identifying function.

2 is a schematic diagram showing data transmission between digital communication devices in a digital data transmission system according to a preferred embodiment of the present invention. Referring to Figures 1 and 2, the digital data transmission system of the preferred embodiment of the present invention includes an identification conversion mechanism 20, at least one or more transmitter devices 21, and at least one or more receiving devices. [receiver device] 22, and the transmitting end device 21 and the receiving end device 22 are selectively configured by the plurality of communication devices (or various devices having communication functions) 2.

Referring to FIGS. 1 and 2, at the time of communication transmission, the destination device 21 can perform the purpose identification conversion target flag through the multiple access communication network 1 via the multiple access communication network 1 (for example, at least one or A plurality of hash functions are selected as one of the steps of performing address conversion to transmit a destination-marked data 11 to the receiving device 22 and other communication devices 2.

Referring again to FIGS. 1 and 2, for example, the identification conversion mechanism 20 selects an address obfuscation technique or an address fusion technique, and the address obfuscation technique includes a A set-obfuscation technique or a clear-obfuscation technique, and the address fusion technique includes an AND-fusion technique or an OR-fusion technique.

Referring again to FIGS. 1 and 2, for example, the transmitting device 21 selects a conversion to replace the recognition by the identification conversion mechanism 20. The identification conversion mechanism 20 includes a pre-address screening [address screening] step or a pre-address transforming step for subsequent recognition conversion.

Referring again to Figures 1 and 2, for example, the receiving device 22 receives address filtering in response to address screening, address translation, address aliasing, or address fusion. a step or other similar comparison function step to avoid the misreceived of the tagged processing data 11 that has been designated by the receiving device 22, and the receiving device 22 may select 1-Filter or 0-Filter, or select other The signal box or packet location is exactly the same as the equal alignment.

FIG. 3A is a schematic diagram showing the format of a data frame (Ethernet area network signal frame) used for data transmission of a digital data transmission system according to a preferred embodiment of the present invention; FIG. 3B is a diagram showing information of a digital data transmission system according to a preferred embodiment of the present invention. The transmission adopts the format diagram of the packet [IPv4/IPv6 packet]. Please refer to the figures 1, 2, 3A and 3B. For example, the marked processing data 11 is at least one signal frame data (as shown in FIG. 3A) and at least one packet data. [as shown in Figure 3B] or other digital data.

4 is a flow chart showing a digital data transmission method according to a preferred embodiment of the present invention, which includes four main steps S1 to S4A and S4B, but is not intended to limit the sequence of steps of the present invention without departing from the scope of the present invention. The order of the steps of the preferred embodiment of the present invention may be appropriately changed, divided, added, combined or reduced, and other steps are also deduced.

Referring to Figures 1, 2 and 4, the digital data transmission method of the preferred embodiment of the present invention includes the step S1: for example, converting at least one identification code or at least one destination identification code into at least one marked material or at least a destination mark, and the mark data or the destination mark is combined with at least one digit data to form a marked digital data, such as the marked processed data 11 shown in FIG.

According to another preferred embodiment of the present invention, the marking material can be selected For at least one source mark, a source and destination combination mark, or other combination mark data, to improve the security of data transmission, the difficulty of data cracking and the confidentiality of data content.

Referring to Figures 1, 2 and 4 again, the self-identification code is at least one self-address or other identification data, and the tag data, the destination tag or a combination thereof may be selected as belonging to or not unique. And the tag data or the destination tag may be selected to belong to or not belong to multiplicity. In addition, the destination is marked as at least one destination address, at least one destination network card address, at least one destination MAC address, at least one destination IP address, any combination thereof, or other marking material, and the destination label has a fixed length purpose. Mark or a mark that is not fixed in length.

In another preferred embodiment of the present invention, the tag data is at least one source address, at least one source network card address, at least one source MAC address, at least one source IP address, any combination thereof, or other tag data, and The tag data has a fixed length source tag or a non-fixed length source tag data.

Referring to Figures 1, 2 and 4, the digital data transmission method of the preferred embodiment of the present invention comprises the step S2: for example, using at least one or a plurality of the transmitting device 21 to perform the marked digital data. Transmission, and the transmitting end device 21 has the identification conversion mechanism 20, that is, constructing a one-to-one mode transmission mode, a one-to-many mode transmission mode, a many-to-one mode transmission mode, or a many-to-many mode transmission mode. In addition, the transmitting device 21 uses at least one hash function as the identification conversion mechanism 20 to generate the destination identification code.

Referring to the first, second, and fourth embodiments, the digital data transmission method of the preferred embodiment of the present invention includes the step S3: for example, the receiving device (or at least one receiving device group) 22 selects at least A self-identification code, so that the receiving device (or the receiving device group) 22 uses the self-identification code to compare the marked digital data.

Referring to Figures 1, 2 and 4, the digital data transmission method of the preferred embodiment of the present invention includes the step S4A: for example, if the self identification code does not conform to the marked digital data, the receiving device [or receiving device group] 22 does not receive the marked digital data, or ignores the marked digital data without continuing processing.

Referring to Figures 1, 2 and 4 again, the digital data transmission method of the preferred embodiment of the present invention comprises the step S4B: for example, if the self-identification code conforms to the marked digital data, it is regarded as the receiving end. The device (or the receiving device group) 22 has completed the identification so that the marked digital data can be received and processed.

Figure 5 is a diagram showing the digital data transmission system of the preferred embodiment of the present invention using the destination tag for data transmission. Referring to FIG. 5, for example, a plurality of different destination or marked digital data can be transmitted and received between the same transmitting device 21 and the same receiving device 22. The transmitting device 21 converts one or several destination identification codes or destination addresses into a destination tag by means of a destination identification conversion destination tag, and combines the destination tag with a digital data to form the tagged digit data, and the The marked digital data is transmitted to one or more of the receiving devices 22, and the devices Device r ₁ , Device r ₂ , ... and Device r _k indicating a plurality of the receiving devices 22 are received.

Figure 6 is a diagram showing the digital data transmission system of the preferred embodiment of the present invention for transmitting data using multiple destination tags. Referring to FIG. 6, for example, a plurality of different destination or marked digital data may be transmitted and received between a plurality of the transmitting device 21 and the plurality of receiving devices 22. The destination mark may be selected to be non-unique, that is, the same transmitting end device 21 is transmitted to the same receiving end device 22, allowing different destination markings, and may also be selected to be transmitted in a one-to-one manner according to various needs. Any of a variety of modes of transmission, many-to-one mode transmission or many-to-many mode transmission.

Referring to FIG. 6 again, for example, the transmitting device 21 selects to transmit a signal frame or packets Mark ₁₂ and Mark _12k with different destination tags for Device t , or the transmitting device 21 selects to transmit the device for Device s. The signal box or packet Mark _{2k of} the destination tag is selected, and the receiving device 22 selects Device r ₂ , that is, the signal frame or the packets Mark ₁₂ , Mark _12k and Mark _{2k of} the destination tag are recognized and received by Device r ₂ .

Referring to FIG. 6 again, in another preferred embodiment of the present invention, the device r ₁ of the receiving device 22 can be selected as a signal frame or packet Mark _2k that cannot receive the destination tag, and the device of the receiving device 22 r _k can be selected as a signal frame or packet Mark _{12 that} cannot receive the destination tag.

Referring to FIG. 6 again, for example, in another preferred embodiment of the present invention, the device r ₁ of the receiving device 22 can be selected as a signal frame or packet Mark _2k that cannot receive the destination tag, and the receiving end The Device r _{k of the} device 22 can be selected as a signal frame or packet Mark _{12 that} cannot receive the destination tag. In another preferred embodiment of the present invention, the Device r ₁ of the receiving device 22 can be selected as the signal frame or the packet Mark _2k that cannot receive the destination tag, but can still select the signal frame or the packet Mark ₁₂ and Mark _12k for receiving the destination tag. Or both. In another preferred embodiment of the present invention, the Device r _k of the receiving device 22 may be selected as a signal frame or a packet Mark ₁₂ that cannot receive the destination tag, but may still select a signal frame or packet Mark _2k or Mark _12k for receiving the destination tag. Or both.

FIG. 7A is a schematic diagram showing the data transmission of the digital data transmission system according to the preferred embodiment of the present invention using the original Ethernet network card address. Referring to Figures 2 and 7A, for example, the preferred embodiment of the present invention selects the original Ethernet network card address as 00-C2-C6-B7-27-98, and no address translation is performed.

FIG. 7B is a schematic diagram showing the data transmission of the digital data transmission system according to the preferred embodiment of the present invention by using the set multicast bit and the bit address redundancy confusion; FIG. 7C is a diagram showing the digital data transmission according to the preferred embodiment of the present invention; The data transmission of the system uses a set of multicast bits and a bit address to erase the confusion. Referring to Figures 2, 7A, 7B, and 7C, Octet 0 is reserved for address screening, and only the rightmost multicast bit (leftmost of Figures 7B and 7C) is set to 1. At the transmitting end device 21, redundantly confusing any one of the bit positions in the tuples of Octet 1 to Octet 5 (as shown in Fig. 7B), or performing erasing confusion (as shown in Fig. 7C).

Referring to Figures 7B and 7C, for example, two preferred objects of the preferred embodiment of the present invention using redundant confusion are 01-D2-CE-F7-A7-99 and 01-CA-D6, respectively. -BF-2F-B8, and at the receiving end device 22 can be filtered by the 1-Filter address. Similarly, in the preferred embodiment of the present invention, two target tags 01-62-C2-A7-26-88 and 01-C0-86-B6-07-18 respectively generated by erasing confusion are used, and at the receiving end. Device 22 can be filtered by the 0-Filter address.

FIG. 8A is a schematic diagram showing the data transmission of the digital data transmission system according to the preferred embodiment of the present invention using the original Ethernet network card address, which corresponds to FIG. 7A. Referring to FIG. 2 and FIG. 8A, for example, the preferred embodiment of the present invention selects the transmitting end device 21 to multicast to the two receiving ends of the receiving end device 22, and the Ethernet network card addresses are respectively 00-C2-C6-B7-27-98 and 30-85-A9-E7-AE-48, and no address conversion.

FIG. 8B is a schematic diagram showing the data transmission of the digital data transmission system according to the preferred embodiment of the present invention by using the set multicast bit and the bit address intersection fusion; FIG. 8C is a diagram showing the digital data transmission system of the preferred embodiment of the present invention; The data transmission adopts a schematic diagram of setting a clustering of a group broadcast bit and a bit address. Please refer to Figures 2, 8A, 8B and 8C. For example, keep Octet 0 in the address screening, and only set the rightmost multicast bit (the leftmost side of Figures 8B and 8C) to 1. . The destination tag generated by the intersection device at the transmitting end device 21 is 01-80-80-A7-26-08 [as shown in FIG. 8B], and after the bit address intersection is merged, at Octet 0 to Octet 5 The result is (0000 0001) (1000 0000) (1000 0000) (1010 0111) (0010 0110) (0000 1000), and the receiving device 22 can be filtered by the 0-Filter address . . Similarly, the destination tag generated by the convergence device at the transmitting end device 21 is 31-C7-EF-F7-AF-D8, and is generated between Octet 0 and Octet 5 after the bit address combination fusion. (0011 0001) (1100 0111) (1110 1111) (1111 0111) (1010 1111) (1101 1000), and the receiving device 22 can be filtered by the 1-Filter address.

The foregoing preferred embodiments are merely illustrative of the invention and the technical features thereof, and the techniques of the embodiments can be carried out with various substantial equivalent modifications and/or alternatives; therefore, the scope of the invention is subject to the appended claims. The scope defined by the scope shall prevail. The copyright limitation of this case is used for the purpose of patent application in the Republic of China.

Claims (10)

A digital data transmission system comprising: at least one identification conversion mechanism that converts at least one destination identification code into at least one destination mark, and combines the destination mark with at least one digital data to form a marked digital data; a transmitting end device having the identification conversion mechanism, wherein the transmitting end device transmits the marked digital data; and at least one receiving end device having at least one own identification code; wherein the receiving end device utilizes the self identification The code comparison determines the marked digital data; if the self identification code does not meet the marked digital data, the receiving device does not receive or continue processing the marked digital data; or if the self identification code meets the When the digital data is marked, the receiving device can receive and process the marked digital data. The digital data transmission system of claim 1, wherein the transmitting device generates the destination identification code using at least one hash function. The digital data transmission system according to claim 1, wherein the destination is marked as at least one destination address, at least one destination network address, at least one destination MAC address, at least one destination IP address, or any combination thereof. Or, the destination mark has a fixed length destination mark or a non-fixed length destination mark. The digital data transmission system according to claim 1, wherein the marked digital data is at least one signal frame, at least one package data or other digital data. The digital data transmission system of claim 1, wherein a plurality of different destination or marked digital data can be transmitted and received between the same transmitting device and the same receiving device; or A plurality of different destination or marked digital data can be transmitted and received between a plurality of the transmitting device and a plurality of the receiving devices. A digital data transmission method, comprising: converting at least one destination identification code into at least one destination mark, and The tag is combined with the at least one digit data to form a tagged digital data; the tagged digital data is transmitted by using at least one transmitting device, and the transmitting device has the identification conversion mechanism; at least one receiving device or At least one receiving device group selects at least one own identification code, so that the receiving device or the receiving device group determines the marked digital data by using the self identification code; and if the self identification code does not meet the marked digital number When the data is received, the receiving device or the receiving device group does not receive or continue processing the marked digital data; or if the self identification code conforms to the marked digital data, the receiving device or the receiving device group can receive Process the marked digital data. The digital data transmission method according to claim 6, wherein the identification conversion mechanism comprises a pre-address screening step or a pre-address conversion step. The digital data transmission method according to claim 6 of the patent application scope, wherein the identification conversion mechanism selects an address confusion technology or an address fusion technology. The digital data transmission method according to claim 8, wherein the address obfuscation technique comprises a redundant obfuscation technique or a erasure obfuscation technique; or the address fusion technology comprises an intersection fusion technique or a union fusion technology. The digital data transmission method according to claim 6, wherein the receiving of the receiving device comprises an address filtering step.