CN102170448A - Copyright protection system, multimedia data transmitting and receiving equipment and method based on cloud media publishing platform - Google Patents
Copyright protection system, multimedia data transmitting and receiving equipment and method based on cloud media publishing platform Download PDFInfo
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- CN102170448A CN102170448A CN2011101133596A CN201110113359A CN102170448A CN 102170448 A CN102170448 A CN 102170448A CN 2011101133596 A CN2011101133596 A CN 2011101133596A CN 201110113359 A CN201110113359 A CN 201110113359A CN 102170448 A CN102170448 A CN 102170448A
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Abstract
The invention discloses a copyright protection system, multimedia data transmitting and receiving equipment and a method based on a cloud media publishing platform, which are used for the technical field of information to be used for realizing that when multimedia content is published by computing the could publishing platform, the copyright protection to the published multimedia content can be safely and reliably carried out, and the content of a multimedia product can be prevented from being illegally copied or being used without authorization. When the multimedia content is published through an Internet, the content of the multimedia product is used as a data stream, the data stream is scattered, encrypted, dispersedly transmitted and then enters Internet user terminal equipment in sequence, so that the multimedia content can not allow an Internet user terminal to have a complete multimedia file at any node, and meanwhile, the data stream is subject to storage self-damage processing when being decrypted and loaded in an internal storage, so that the multimedia product can be prevented from being illegally used or being used and spread without the authorization, and further, the copyright protection of the multimedia product on the Internet can be realized.
Description
Technical field
The present invention relates to a kind of areas of information technology, relate in particular to a kind of copyright protecting system, multi-medium data transmitting apparatus and method, multi-medium data receiving equipment and method based on cloud media distribution platform.
Background technology
Along with the media product distribution channel is propagated for communication media is converted into by the Internet from existing medium in kind (as DVD, hard disk etc.) gradually, issuing platform based on the cloud media of cloud computing will become most important developing direction.The cloud computing main target provides calculation services efficiently, and one of its infrastructure provides reliable, safe data storage center.Therefore, storage security and be one of the safe topic in cloud computing field to multimedia copyright protection.For solving the protection problem of data-privacy, common method is by the user data to be encrypted, and the cipher-text information after encrypting is stored in server end.After the enciphered data formation scale that is stored in server end, to the illegal retrieval of enciphered data with read and become a kind of problem that presses for solution.Because on multimedia distribution platform, though, still can't avoid other people to the illegal retrieval of multi-medium data and visit and even crack encryption through data encryption.
Summary of the invention
The objective of the invention is problem at the copyright protection of present cloud media distribution platform; by a kind of copyright protecting system, multi-medium data transmitting apparatus and method, multi-medium data receiving equipment and method based on cloud media distribution platform is provided; by cloud route and cloud media data encryption coding; when issuing by cloud media distribution platform; content of multimedia to distribution carries out safe and reliable copyright protection, prevents that the media product content is by bootlegging or unauthorized use.
In order to achieve the above object, the present invention proposes a kind of copyright protecting system based on cloud media distribution platform, described system realizes by following technical scheme:
A kind of copyright protecting system based on cloud media distribution platform, described system comprises:
Data segmentation module is used for multimedia data stream is cut into a plurality of data blocks;
Data encryption module, be used in each data block, inserting the random data string and upsetting data sorting and come described each data block is carried out data encryption, make described each data block become the data block that to reduce, and the insertion random data string of adjacent data blocks is made as decrypted private key each other according to certain intervals;
Memory module is used for by the temporary described data block of cloud computing platform and the memory address of described data block of inserting in different paths;
The data decryption module, described data decryption module is arranged in the user terminal, be used for the user obtain PKI with the deciphering of first data block and memory address after, the insertion random data string of data block as decrypted private key, is deciphered other data blocks and memory address according to a definite sequence;
Destroy module, be used for that private key a data block is utilized and the decrypted loading system internal memory of data block after, destroy described data block at external memory, and behind certain hour, the data block that is written into internal memory destroyed.
Further preferred, described data block does not have fixing size and condition code.
Further preferred, described data encryption module also is used for the memory address of described each data block is encrypted.
Further preferred, described memory address is stored on the master server.
In order to realize aforementioned goal of the invention, the invention allows for a kind of multi-medium data transmitting apparatus based on cloud media distribution platform, described equipment comprises:
Data segmentation module is used for multimedia data stream is cut into a plurality of data blocks;
Data encryption module, be used in each data block, inserting the random data string and upsetting data sorting and come described each data block is carried out data encryption, make described each data block become the data block that to reduce, and the insertion random data string of adjacent data blocks is made as decrypted private key each other according to certain intervals;
Memory module is used for by the temporary described data block of cloud computing platform and the memory address of described data block of inserting in different paths;
Sending module is used for sending described each data block.
Further preferred, described data block does not have fixing size and condition code.
Further preferred, described data encryption module also is used for the memory address of described each data block is encrypted.
Further preferred, described memory address is stored on the master server.
In order to realize aforementioned goal of the invention, the invention allows for a kind of multi-medium data receiving equipment based on cloud media distribution platform, described equipment comprises:
Receiver module is used for obtaining each data block of multi-medium data;
The data decryption module, be used for using public-key deciphering first data block and data block store address, extract in described each data block the enciphered data string and as private key, decipher other data block and memory address;
Destroy module, be used for that private key a data block is utilized and the decrypted loading system internal memory of data block after, destroy described data block at external memory, and behind certain hour, the data block that is written into internal memory destroyed.
In order to realize aforementioned goal of the invention, the invention allows for a kind of multi-medium data sending method based on cloud media distribution platform, described method comprises:
Multimedia data stream is cut into a plurality of data blocks;
In each data block, insert the random data string and upset data sorting and come described each data block is carried out data encryption, make described each data block become the data block that to reduce, and the insertion random data string of adjacent data blocks is made as decrypted private key each other according to certain intervals;
By the temporary described data block of cloud computing platform and the memory address of described data block of inserting in different paths;
Send described each data block.
Further preferred, described data block does not have fixing size and condition code.
Further preferred, described method also comprises encrypts the memory address of described each data block.
In order to realize aforementioned goal of the invention, the invention allows for a kind of multi-medium data method of reseptance based on cloud media distribution platform, described method comprises:
Obtain each data block of described multi-medium data;
Use public-key deciphering first data block and data block store address, extract in described each data block the enciphered data string and as private key, decipher other data block and memory address;
The private key of a data block be utilized and the decrypted loading system internal memory of data block after, destroy described data block at external memory, and behind certain hour, the data block that is written into internal memory destroyed.
Compared with prior art; the present invention is based on the copyright protecting system of cloud media distribution platform; multi-medium data transmitting apparatus and method; multi-medium data receiving equipment and method; by with media product as a kind of data flow; and this data flow broken up; encrypt; the mode of disperseing transmission to enter Internet user's terminal equipment in proper order again; make content of multimedia on any one node, not allow Internet user's terminal to have complete multimedia file; allow data flow be written into simultaneously and carry out memory self-destruction processing in the internal memory process in deciphering; thereby avoid media product to be used and propagate, thereby realize the copyright protection of internet multimedia product by illegal or unauthorized.
Description of drawings
By the description of its exemplary embodiment being carried out below in conjunction with accompanying drawing, the above-mentioned feature and advantage of the present invention will become apparent and understand easily.
Fig. 1 is that 1 one kinds of copyright protecting systems based on cloud media distribution platform of the embodiment of the invention are formed schematic diagram;
Fig. 2 is cut apart schematic diagram for 2 one kinds of data based on the copyright protecting system of cloud media distribution platform of the embodiment of the invention;
Fig. 3 is 3 one kinds of chain encryption schematic diagrames of data based on the copyright protecting system of cloud media distribution platform of the embodiment of the invention;
Fig. 4 is 4 one kinds of system architecture figure based on the copyright protecting system of cloud media distribution platform of the embodiment of the invention;
Fig. 5 is 5 one kinds of multi-medium data transmitting apparatus schematic diagrames based on cloud media distribution platform of the embodiment of the invention;
Fig. 6 is 6 one kinds of multi-medium data receiving equipment schematic diagrames based on cloud media distribution platform of the embodiment of the invention;
Fig. 7 is 7 one kinds of flow charts based on the multi-medium data sending method of cloud media distribution platform of the embodiment of the invention;
Fig. 8 is 8 one kinds of flow charts based on the multi-medium data method of reseptance of cloud media distribution platform of the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
As shown in Figure 1, be 1 one kinds of composition schematic diagrames of the embodiment of the invention based on the copyright protecting system of cloud media distribution platform;
A kind of copyright protecting system based on cloud media distribution platform, described system comprises:
Data segmentation module is used for multimedia data stream is cut into a plurality of data blocks;
Data encryption module, be used in each data block, inserting the random data string and upsetting data sorting and come described each data block is carried out data encryption, make described each data block become the data block that to reduce, and the insertion random data string of adjacent data blocks is made as decrypted private key each other according to certain intervals;
Memory module is used for by the temporary described data block of cloud computing platform and the memory address of described data block of inserting in different paths;
The data decryption module, described data decryption module is arranged in the user terminal, be used for the user obtain PKI with the deciphering of first data block and memory address after, the insertion random data string of data block as decrypted private key, is deciphered other data blocks and memory address according to a definite sequence;
Destroy module, be used for that private key a data block is utilized and the decrypted loading system internal memory of data block after, destroy described data block at external memory, and behind certain hour, the data block that is written into internal memory destroyed.
By with media product as a kind of data flow; we break up, encrypt, disperse transmission to enter Internet user's terminal equipment more in proper order to this data flow; on any one node, do not allow Internet user's terminal to have complete multimedia file; allow data flow be written into simultaneously and carry out memory self-destruction processing in the internal memory process in deciphering; thereby avoid media product to be used and propagate, realize the copyright protection of internet multimedia product by illegal or unauthorized.
Further preferred, described data block does not have fixing size and condition code.
Further preferred, described data encryption module also is used for the memory address of described each data block is encrypted.
Further preferred, described memory address is stored on the master server.
As shown in Figure 2, further preferred, for 2 one kinds of data based on the copyright protecting system of cloud media distribution platform of the embodiment of the invention are cut apart schematic diagram, according to the computational resource that computing equipment provided, data flow is cut into polylith, each data block does not have fixing size and condition code, is a string through encrypted sequence of data;
As shown in Figure 3, further preferred, be 3 one kinds of chain encryption schematic diagrames of data of the embodiment of the invention based on the copyright protecting system of cloud media distribution platform, at random insertion random data string in each data block, upset data sorting, make it become the data block that can't be reduced; Meanwhile, the insertion serial data of adjacent data blocks forms chain ciphering process according to certain intervals decrypted private key each other.
As shown in Figure 4, further preferred, be 4 one kinds of system architecture figure of the embodiment of the invention based on the copyright protecting system of cloud media distribution platform, behind multi-medium data piece access cloud computing platform, temporarily store in the Internet cloud by different paths, preparation is transferred to the user, and its memory address is encrypted and is stored on the master server; The user is the acquisition PKI is deciphered the private key of first data block with memory address after, and memory address also needs to decipher as private key according to the enciphered data string of each data block, could obtain these data blocks according to a definite sequence.
Compared with prior art, the present invention utilizes the calculating cloud to carry out safe transmission, by disperseing transmission path, copyright infringement person's data retrieval collection work is submerged in the super mass data processing of calculating cloud, thereby provides effective shielding for media data transmits.Chain cryptographic algorithm adopts the original creation algorithm in conjunction with PKI and private key, and serial data is inserted data block, and as the private key of other data blocks, thereby forms a kind of mode of chain encryption; Be encrypted at many levels in the key conversion process, adopt multiple algorithm to mix, adopt at random simultaneously, the algorithm that adopts is recorded on the master server, in decrypting process, need to call at any time the master server data and be decrypted; And type self-destroyed decryption technology especially simple calculate to encrypt on the basis by multi thread, multi-level and clue remove, prevent that the infringer from studying repeatedly to enciphered data and relatively realize encrypting cracking to have very high advance.
As shown in Figure 5, Fig. 5 is 5 one kinds of multi-medium data transmitting apparatus schematic diagrames based on cloud media distribution platform of the embodiment of the invention.A kind of multi-medium data transmitting apparatus based on cloud media distribution platform, described equipment comprises:
Data segmentation module is used for multimedia data stream is cut into a plurality of data blocks;
Data encryption module, be used in each data block, inserting the random data string and upsetting data sorting and come described each data block is carried out data encryption, make described each data block become the data block that to reduce, and the insertion random data string of adjacent data blocks is made as decrypted private key each other according to certain intervals;
Memory module is used for by the temporary described data block of cloud computing platform and the memory address of described data block of inserting in different paths;
Sending module is used for sending described each data block.
Further preferred, described data block does not have fixing size and condition code.
Further preferred, described data encryption module also is used for the memory address of described each data block is encrypted.
Further preferred, described memory address is stored on the master server.
Compared with prior art, embodiment of the invention utilization calculating cloud carries out safe transmission by disperseing transmission path, copyright infringement person's data collection work is submerged in the super mass data processing of calculating cloud, thereby provides effective shielding for media data transmits.
As shown in Figure 6, Fig. 6 is a kind of multi-medium data receiving equipment schematic diagram based on cloud media distribution platform, a kind of multi-medium data receiving equipment based on cloud media distribution platform, and described equipment comprises:
Receiver module is used for obtaining each data block of multi-medium data;
The data decryption module, be used for using public-key deciphering first data block and data block store address, extract in described each data block the enciphered data string and as private key, decipher other data block and memory address;
Destroy module, be used for that private key a data block is utilized and the decrypted loading system internal memory of data block after, destroy described data block at external memory, and behind certain hour, the data block that is written into internal memory destroyed.
Compared with prior art, the embodiment of the invention is by type self-destroyed decryption technology, simply calculating on the encryption basis by multi thread, multi-level and clue removing especially, prevent that the infringer from studying repeatedly to enciphered data and realize that relatively encryption cracks, have very high advance in field of encryption.
In order to realize aforementioned goal of the invention, as shown in Figure 7, the embodiment of the invention 7 has also proposed a kind of multi-medium data sending method based on cloud media distribution platform, and described method comprises:
Step 101, multimedia data stream is cut into a plurality of data blocks;
Step 102, in each data block, insert the random data string and upset data sorting and come described each data block is carried out data encryption, make described each data block become the data block that to reduce, and the insertion random data string of adjacent data blocks is made as decrypted private key each other according to certain intervals;
Step 103, the described data block of pressing the temporary access in different paths cloud computing platform and the memory address of described data block;
Step 104, described each data block of transmission.
Further preferred, described data block does not have fixing size and condition code.
Further preferred, described method also comprises encrypts the memory address of described each data block.
In order to realize aforementioned goal of the invention, as shown in Figure 8, the embodiment of the invention 8 has also proposed a kind of multi-medium data method of reseptance based on cloud media distribution platform, and described method comprises:
Each data block of step 201, the described multi-medium data of acquisition;
Step 202, use public-key deciphering first data block and data block store address, extract in described each data block the enciphered data string and as private key, decipher other data block and memory address;
Step 203, the private key of a data block be utilized and the decrypted loading system internal memory of data block after, destroy described data block at external memory, and behind certain hour, the data block that is written into internal memory destroyed.
To sum up, embodiment of the invention utilization calculating cloud carries out safe transmission and utilizes state-of-the-art technology to transmit, by disperseing transmission path, copyright infringement person's data collection work is submerged in the super mass data processing of calculating cloud, thereby provides effective shielding for media data transmits.Chain encryption; multi-level encryption and type self-destroyed decryption technology are passing through multi thread simple calculating on the encryption basis especially; multi-level and clue is removed; prevent that the infringer from studying repeatedly to enciphered data and realize that relatively encryption cracks; has very high advance in field of encryption; thereby provide a kind of effective copyright protection approach; strengthen the copyright protection measure of media product in the internet transmission process greatly; effectively containment bootlegging and unauthorized use; make media product manufacturer can effectively obtain profit; thereby promotion multimedia; comprise image; video; the intention of products such as audio frequency and making; promote medium; the development of cultural industry, promoting simultaneously provides technical equipment for these industry products; the relevant industries development of service.
It should be noted that; above content is to further describing that the present invention did in conjunction with concrete execution mode; can not assert that the specific embodiment of the present invention only limits to this; under above-mentioned guidance of the present invention; those skilled in the art can carry out various improvement and distortion on the basis of the foregoing description, and these improvement or distortion drop in protection scope of the present invention.
Claims (10)
1. copyright protecting system based on cloud media distribution platform is characterized in that described system comprises:
Data segmentation module is used for multimedia data stream is cut into a plurality of data blocks;
Data encryption module, be used in each data block, inserting the random data string and upsetting data sorting and come described each data block is carried out data encryption, make described each data block become the data block that to reduce, and the insertion random data string of adjacent data blocks is made as decrypted private key each other according to certain intervals;
Memory module is used for by the temporary described data block of cloud computing platform and the memory address of described data block of inserting in different paths;
The data decryption module, described data decryption module is arranged in the user terminal, be used for the user obtain PKI with the deciphering of first data block and memory address after, the insertion random data string of data block as decrypted private key, is deciphered other data blocks and memory address according to a definite sequence;
Destroy module, be used for that private key a data block is utilized and the decrypted loading system internal memory of data block after, destroy described data block at external memory, and behind certain hour, the data block that is written into internal memory destroyed.
2. system according to claim 1 is characterized in that described data block does not have fixing size and condition code.
3. system according to claim 2 is characterized in that, described data encryption module also is used for the memory address of described each data block is encrypted.
4. system according to claim 3 is characterized in that described memory address is stored on the master server.
5. multi-medium data transmitting apparatus based on cloud media distribution platform is characterized in that described equipment comprises:
Data segmentation module is used for multimedia data stream is cut into a plurality of data blocks;
Data encryption module, be used in each data block, inserting the random data string and upsetting data sorting and come described each data block is carried out data encryption, make described each data block become the data block that to reduce, and the insertion random data string of adjacent data blocks is made as decrypted private key each other according to certain intervals;
Memory module is used for by the temporary described data block of cloud computing platform and the memory address of described data block of inserting in different paths;
Sending module is used for sending described each data block.
6. multi-medium data receiving equipment based on cloud media distribution platform is characterized in that described equipment comprises:
Receiver module is used for obtaining each data block of multi-medium data;
The data decryption module, be used for using public-key deciphering first data block and data block store address, extract in described each data block the enciphered data string and as private key, decipher other data block and memory address;
Destroy module, be used for that private key a data block is utilized and the decrypted loading system internal memory of data block after, destroy described data block at external memory, and behind certain hour, the data block that is written into internal memory destroyed.
7. multi-medium data sending method based on cloud media distribution platform is characterized in that described method comprises:
Multimedia data stream is cut into a plurality of data blocks;
In each data block, insert the random data string and upset data sorting and come described each data block is carried out data encryption, make described each data block become the data block that to reduce, and the insertion random data string of adjacent data blocks is made as decrypted private key each other according to certain intervals;
By the temporary described data block of cloud computing platform and the memory address of described data block of inserting in different paths;
Send described each data block.
8. method according to claim 7 is characterized in that described data block does not have fixing size and condition code.
9. method according to claim 7 is characterized in that, described method also comprises encrypts the memory address of described each data block.
10. multi-medium data method of reseptance based on cloud media distribution platform is characterized in that described method comprises:
Obtain each data block of described multi-medium data;
Use public-key deciphering first data block and data block store address, extract in described each data block the enciphered data string and as private key, decipher other data block and memory address;
The private key of a data block be utilized and the decrypted loading system internal memory of data block after, destroy described data block at external memory, and behind certain hour, the data block that is written into internal memory destroyed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101133596A CN102170448A (en) | 2011-05-04 | 2011-05-04 | Copyright protection system, multimedia data transmitting and receiving equipment and method based on cloud media publishing platform |
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| CN2011101133596A CN102170448A (en) | 2011-05-04 | 2011-05-04 | Copyright protection system, multimedia data transmitting and receiving equipment and method based on cloud media publishing platform |
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| CN102611742A (en) * | 2012-02-20 | 2012-07-25 | 苏州吉浦迅科技有限公司 | Virtual desktop cloud system for realizing network copyright protection |
| CN103259833A (en) * | 2011-12-29 | 2013-08-21 | 吉菲斯股份有限公司 | Cloud-based content mixing into one stream |
| CN103457727A (en) * | 2012-05-29 | 2013-12-18 | 华为技术有限公司 | Method, device and system for processing media data |
| WO2014063438A1 (en) * | 2012-10-23 | 2014-05-01 | 福州福昕软件开发有限公司北京分公司 | System and method for reading encrypted file |
| CN105046173A (en) * | 2015-07-02 | 2015-11-11 | 山东超越数控电子有限公司 | Fast and reliable design method for destroying SSD hard disk |
| CN105991513A (en) * | 2015-01-27 | 2016-10-05 | 中兴通讯股份有限公司 | Data protection method, device and mobile terminal |
| CN107403107A (en) * | 2017-07-18 | 2017-11-28 | 北京初识科技有限公司 | A kind of data safety control method and system based on multipoint cooperative mechanism |
| CN108540479A (en) * | 2018-04-17 | 2018-09-14 | 泰州市艾瑞克新型材料有限公司 | Intelligent charging spot management system based on Cloud Server and its working method |
| CN109376504A (en) * | 2018-09-26 | 2019-02-22 | 福州大学 | A kind of picture method for secret protection based on block chain technology |
| CN109754045A (en) * | 2019-01-25 | 2019-05-14 | 海明联合能源集团矩网科技有限公司 | A kind of ring code, annular code generating method and its application |
| CN111343129A (en) * | 2018-12-19 | 2020-06-26 | 杭州萤石软件有限公司 | Method and equipment for preventing protocol networking from being cracked |
| CN111510745A (en) * | 2020-03-27 | 2020-08-07 | 曹新 | Internet video data encryption transmission method |
| CN112241513A (en) * | 2019-07-19 | 2021-01-19 | 傲为信息技术(江苏)有限公司 | Digital asset processing system to be authenticated |
| CN113038196A (en) * | 2021-03-17 | 2021-06-25 | 大陆投资(中国)有限公司 | Sender device and receiver device for transmitting media data in a communication network |
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| CN103259833A (en) * | 2011-12-29 | 2013-08-21 | 吉菲斯股份有限公司 | Cloud-based content mixing into one stream |
| CN102611742A (en) * | 2012-02-20 | 2012-07-25 | 苏州吉浦迅科技有限公司 | Virtual desktop cloud system for realizing network copyright protection |
| CN103457727A (en) * | 2012-05-29 | 2013-12-18 | 华为技术有限公司 | Method, device and system for processing media data |
| CN103457727B (en) * | 2012-05-29 | 2018-01-23 | 华为技术有限公司 | A kind of methods, devices and systems for realizing media data processing |
| WO2014063438A1 (en) * | 2012-10-23 | 2014-05-01 | 福州福昕软件开发有限公司北京分公司 | System and method for reading encrypted file |
| CN105991513A (en) * | 2015-01-27 | 2016-10-05 | 中兴通讯股份有限公司 | Data protection method, device and mobile terminal |
| CN105046173A (en) * | 2015-07-02 | 2015-11-11 | 山东超越数控电子有限公司 | Fast and reliable design method for destroying SSD hard disk |
| CN107403107A (en) * | 2017-07-18 | 2017-11-28 | 北京初识科技有限公司 | A kind of data safety control method and system based on multipoint cooperative mechanism |
| CN108540479A (en) * | 2018-04-17 | 2018-09-14 | 泰州市艾瑞克新型材料有限公司 | Intelligent charging spot management system based on Cloud Server and its working method |
| CN108540479B (en) * | 2018-04-17 | 2019-03-12 | 泰州市艾瑞克新型材料有限公司 | Intelligent charging spot management system and its working method based on Cloud Server |
| CN109376504A (en) * | 2018-09-26 | 2019-02-22 | 福州大学 | A kind of picture method for secret protection based on block chain technology |
| CN109376504B (en) * | 2018-09-26 | 2022-04-12 | 福州大学 | Picture privacy protection method based on block chain technology |
| CN111343129A (en) * | 2018-12-19 | 2020-06-26 | 杭州萤石软件有限公司 | Method and equipment for preventing protocol networking from being cracked |
| CN109754045A (en) * | 2019-01-25 | 2019-05-14 | 海明联合能源集团矩网科技有限公司 | A kind of ring code, annular code generating method and its application |
| CN109754045B (en) * | 2019-01-25 | 2020-01-21 | 海明联合能源集团矩网科技有限公司 | Annular code, annular code generation method and application thereof |
| CN112241513A (en) * | 2019-07-19 | 2021-01-19 | 傲为信息技术(江苏)有限公司 | Digital asset processing system to be authenticated |
| CN112241513B (en) * | 2019-07-19 | 2024-04-19 | 傲为有限公司 | Digital asset processing system to be authenticated |
| CN111510745A (en) * | 2020-03-27 | 2020-08-07 | 曹新 | Internet video data encryption transmission method |
| CN113038196A (en) * | 2021-03-17 | 2021-06-25 | 大陆投资(中国)有限公司 | Sender device and receiver device for transmitting media data in a communication network |
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Application publication date: 20110831 |