TW201342081A - Digital content cloud storage and authentication method - Google Patents

Abstract

A Digital Content Cloud Storage and Authentication Method comprises the following steps: (1) A first server acquires a digital content file from a digital terminal. (2) The first server acquires a first attribute information. (3) The first server generates a content ciphertext based on the digital content file. (4) The first server acquires a second attribute information. (5) The first server generates an authentication file by combining the content ciphertext with the first attribute information and the second attribute information. (6) The first server delivers the authentication file to the second server. (7) The second server acquires a third attribute information. (8) The second server generates an security file by combining the authentication file with the third attribute information. (9) The second server generates a security ciphertext based on the security file file. (10) The second server delivers the security file the first server.

Description

Digital content cloud storage and deposit method

The invention relates to a digital content cloud storage technology, in particular to a digital content digital data transmission and preservation method.

Nowadays, digital content files are used in more and more fields, but because they are easily falsified and forged, people cannot recognize their existence time and their authenticity and reliability. In the fields of digital copyright protection and intellectual property protection, how to prove the originality and timeliness of digital content files is an issue that must be seriously faced.

At present, the common digital content file protection method is to completely upload the digital content file to the server, and then encrypt the digital content file through the server and record the uploading time at the same time to prove the originality and timeliness of the digital content file.

However, the above application needs to upload the original digital content file to the server. If the file size is large and the network bandwidth is insufficient, the uploading time will be seriously affected, and the storage of the digital content file is difficult.

In addition, there is another way to protect the digital content file by uploading the digital content file to the server, generating an image fingerprint through the server, and then storing the file fingerprint and the original digital content file in the computer of the digital terminal device.

In addition to the above-mentioned uploading of the digital content file, the application requires sufficient network bandwidth to store the file fingerprint and digital content files in the digital terminal device, and the file fingerprint may be tampered with, so the file fingerprint cannot be effective and fair. Proof of file fingerprint and digital content file reliability.

In order to improve the above-mentioned defects of the prior art, the present invention provides a digital content cloud storage and deposit method for depositing digital content files to ensure the reliability and originality of the digital content files, and has the data transmission amount. The advantages of less bandwidth and less bandwidth can achieve fast transmission speed and high efficiency.

The digital content cloud storage and depositing method provided by the invention is provided for use in a digital content integrated storage device for depositing a digital content file, and the digital content integrated storage device comprises at least one digital terminal device, At least one first digital certificate server device, at least one second digital certificate server device, and a network device. The network device is connected to the digital terminal device, the first digital certificate server device and the second digital certificate server device. The digital content cloud storage and deposit method includes the following steps:

a) the first digital certificate server device obtains a digital content file on the digital terminal device through the network device and stores it;

b) the first digital certificate server device obtains and stores the first attribute information corresponding to the digital content file in the digital terminal device through the network device, and the first attribute information includes user information and location identification information of the digital content file. The location identification information includes geographic information and/or machine information, the geographic information is a geographic location of the digital terminal device, and the machine information is a device identity code of the digital terminal device;

c) the first digital certificate server device digital content file is generated by a compression encryption program, and an archive key is generated and stored;

d) the first digital certificate server device generates second attribute information corresponding to the file key and stores it, and the second attribute information includes time information of the first digital certificate server device for generating the file key, wherein the time information The first time information is included in the first time information and/or the second time information, wherein the first time information is a local time of the first digital certificate server device, and the second time information is a number other than the digital terminal device and the first digital certificate server device. The time provided by the three parties to the first digital certificate server device;

e) the first digital certificate server device loads the first attribute information and the second attribute information into the file key to form a voucher file and stores it;

f) the first digital certificate server device sends the certificate file to the second digital certificate server device through the network device;

g) the second digital certificate server device generates third attribute information corresponding to the voucher file and stores the third attribute information, the third attribute information includes the third time information of the second digital certificate server device to obtain the voucher file and/or the third Four time information, the third time information is the local time of the second digital certificate server device, and the fourth time information is provided by a third party other than the first digital certificate server device and the second digital certificate server device The time of the second digital certificate server device;

h) the second digital certificate server device loads the third attribute information into the voucher file to form a security file and stores it;

i) the second digital certificate server device generates a security key and stores it for the security file through the compression encryption program;

j) The second digital certificate server device transmits the security file and/or the security key to the first digital certificate server device via the network device.

The above digital content cloud storage and deposit method compresses and encrypts the digital content file stored in the cloud (the first digital certificate server device) to generate an archive key. The file key has irreversible security features, and the file is small and cannot be restored. Engineering crack. At the same time, since the file key is combined with the attribute information to form the voucher file and stored in the first digital certificate server device, and sent to the second certificate server for encryption and preservation, the possibility of the file key being falsified can be effectively reduced. , increased the reliability of the voucher file. In a further preferred embodiment, the voucher identification code and the security identification code having both the security and the identification characteristics are transmitted back to the digital terminal device, and the user of the digital terminal device can publicly disclose the voucher identification code or the security identification code to the outside. It has been announced that its digital content files have been certified by third parties, which plays an active role in the importance of intellectual property rights.

The present invention mainly discloses a digital content cloud storage and deposit method for authenticating a digital content file, wherein the format, structure, and type of the digital content file mentioned have common knowledge in the related technical field. The person can understand, so the description below will not be fully described. At the same time, the drawings in the following texts express the structural schematics related to the features of the present invention, and do not need to be completely drawn according to the actual size, which is described first.

In the present invention, the digital content file may be a static digital document in various formats, such as a WORD file, an EXCEL file, a PPT file, a design drawing, a digital photo/picture, or a dynamic digital document, such as a digital video, a digital recording, and a digital position. Animation, etc., can be software, programs, etc.

Referring to FIG. 2, a first preferred embodiment of the present invention is a digital content cloud storage and storage method for use in a digital content integrated storage device (500) as shown in FIG. Used to deposit digital content files (15). The digital content integrated storage device (500) includes a plurality of digital terminal devices (510), at least one first digital certificate server device (521), and at least one second digital certificate server device, as shown in FIG. (522), and a network device (530). The network device (530 is connected to the digital terminal device (510), the first digital certificate server device (521) and the second digital certificate server device (522). For convenience of explanation, only one digital terminal device (510) is used hereinafter. Corresponding to an embodiment of a first digital certificate server device (521) and a second digital certificate server device (522), but not limited thereto. The content of the present invention is also applicable to multiple The digital terminal device (510) corresponds to an embodiment of a first digital certificate server device (521) and a second digital certificate server device (522).

Referring to FIG. 2 and referring to FIG. 3 as appropriate, the digital content cloud storage and deposit method of the first preferred embodiment of the present invention includes the following steps:

(801) The first digital certificate server device (521) retrieves a digital content file (15) from the digital terminal device (510) via the network device (530) and stores it.

(802) the first digital certificate server device (521) obtains and stores the first attribute information (410) corresponding to the digital content file (15) at the digital terminal device (510) via the network device (530), The first attribute information (410) includes user information (411) and location identification information (412) of the digital content file (15), and the location identification information (412) includes geographic information (4121) and/or machine information (4122). The geographic information (4121) is the geographic location of the digital terminal device (510), and the machine information (4122) is the device identity code of the digital terminal device (510).

(803) The first digital certificate server device (521) generates an archive key (151) by storing the encrypted content program (15) and storing it.

(804) The first digital certificate server device (521) generates and stores the second attribute information (420) corresponding to the archive key (151), and the second attribute information (420) includes the first digital certificate server. The device device (521) generates time information (421) of the archive key (151), wherein the time information (421) includes first time information (4211) and/or second time information (4212), first time information (4211) Is the local time of the first digital certificate server device (521), and the second time information (4212) is provided by a third party other than the digital terminal device (510) and the first digital certificate server device (521) The time of the first digital certificate server device (521).

(805) The first digital certificate server device (521) loads the first attribute information (410) and the second attribute information (420) to the archive key (151) to form a voucher file (18) and stores it. .

(806) The first digital certificate server device (521) transmits the certificate file (18) to the second digital certificate server device (522) via the network device (530).

(807) The second digital certificate server device (522) generates third attribute information (430) corresponding to the voucher file (18) and stores it, and the third attribute information (430) includes the second digital certificate server The device (522) obtains third time information (431) and/or fourth time information (432) of the voucher file (18), and the third time information (431) is local to the second digital certificate server device (522). The time, fourth time information (432) is provided by the third party other than the first digital certificate server device (521) and the second digital certificate server device (522) to the second digital certificate server device (522). )time.

(808) The second digital certificate server device (522) loads the third attribute information (410) into the voucher file (18) to form a security file (14) and stores it.

(809) The second digital certificate server device (522) generates a security key (142) for the security file (142) by compressing the encryption program and stores it.

(810) The second digital certificate server device (522) transmits the security file (14) and/or the security key (142) to the first digital certificate server device (521) via the network device (530).

In FIG. 2, the compression encryption program of step (803) performs compression encryption conversion on the digital content file (15) to obtain a unique corresponding file key (151). In particular, as long as the content of the digital content file (15) is different, the content of the file key (151) will not be the same, and the same digital content file (15), no matter how long, the compression encryption conversion is obtained. The file key (151) will always be the same. In one embodiment, the archive key (151) refers to the encoded material generated by the conversion of the digital content file (15) by a hash algorithm. The file size of the encoded data is much smaller than the file size of the digital content file (15). For example, the MD5 algorithm can be used to convert the file key (151) to the digital content file (15), and the obtained file key (151) is 128-bit data, small file size, easy to store and use. In addition, by using a hash algorithm such as MD5, an archive key (151) uniquely corresponding to the digital content file (15) can be obtained, thereby further demonstrating the uniqueness of the digital content file (15). That is, if there is any modification to the digital content file (15), the file key (151) obtained by the hash algorithm for the conversion of the digital content file (15) will change, that is, the digital content before the modification. The file key (151) obtained by the file (15) conversion is different from the converted file key (151) of the modified digital content file (15), and the digital content file (15) is converted into the file key (151). Is a non-reversible program, can not reverse the content of the digital content file (15) on the file key (151) through any restoration project, thus ensuring that the digital content file (15) is not in the process of distributing the file key (151). Will leak. It should be noted that the file key (151) conversion using the MD5 algorithm is only one embodiment of the present invention. In addition to the MD5 algorithm, it is also possible to adopt, for example, MD4, SHA-1, SHA-225, SHA-256, and SHA. A hash algorithm such as -384, SHA-512, etc. is used to generate an archive key (151).

The reason why the present invention adopts the dual server such as the first digital certificate server device (521) and the second digital certificate server device (522) is that the first digital storage server device (522) will be the first The voucher file (18) in the digital certificate server device (521) is backed up and saved. In an implementation manner, the first digital certificate server device (521) may be an internal certificate server, and encrypts and vouchs the business secrets of the enterprise; the second digital certificate server device (522) is a enterprise. The external evidence-based server of the impartial and objective organization is used to carry out the fair preservation of the internal voucher file (18) outside the enterprise, but it is not involved in the business secret of the enterprise, because the file in the voucher file (18) The key (151) is unable to restore its original content through any reverse engineering.

Referring to FIG. 3, the first attribute information (410) includes user information (411) and location identification information (412) of the digital content file (15). In one embodiment, the user information (411) in the first attribute information (410) may be provided by the first digital certificate server device (521). The user information (411) may be identity information (4111) used by the user of the digital terminal device (510) to log in to the first digital certificate server device (521), or a user-to-digital content file (15). Remarks information (4112). The user identity information (4111) may be a user account nickname or a user's ID number (eg, an identity card number, a driver's license number, a social security number), and a user account nickname and a user ID number. Both are better at the same time.

With continued reference to FIG. 3, in one embodiment, the location identification information (412) in the first attribute information (410) includes geographic information (4121), which may be provided by the digital terminal device (510). For example, in the case of a mobile device to which a GPS positioning function is attached (such as a smart phone with a GPS positioning function, etc.), the geographic information (4121) of the digital terminal device (510) can be provided by the GPS module of the mobile device. Furthermore, the geographic information (4121) of the digital terminal device (510) can be transmitted by the digital terminal device (510) and then interpreted by the first digital certificate server device (521). For example, in the case where the digital terminal device (510) is a computer, the first digital certificate server device (521) can determine the location identification information (412) of the digital terminal device (510) according to the IP address transmitted by the terminal. As such, the location identification information (412) can help to prove the geographic location of the digital content archive (15).

With continued reference to FIG. 3, in one embodiment, the location identification information (412) includes machine information (4122), and the device information (4122) is a device identity code of the digital terminal device (510), through the digital terminal device (510). The device identity code is recognized, and the location of the digital terminal device (510), that is, the upload position of the digital content file (15), can also be known.

With continued reference to FIG. 3, the time information (421) in the second attribute information (420) includes first time information (4211), or second time information (4212), or a combination of the two. The first time information (4211) is the local time of the file key (151) generated by the first digital certificate server device (521) by compressing the encryption program, and can be used to prove the existence time of the file key (151). Since the file key (151) is uniquely corresponding to the digital content file (15), the time information (421) can prove the existence time of the digital content file (15) uniquely corresponding to the uploaded file key (151). It can be seen that the combination of the archive key (151) and the attribute information of the digital content file (15) can prove the fact that the digital content file (15) uniquely associated with the archive key (151) exists at a specific time. The second time information (4212) may be provided to the first digital certificate server device (521) by a third party other than the digital terminal device (510) and the first digital certificate server device (521). For example, the first digital certificate server device (521) can establish a connection with a state-authorized time verification authority or other organization that can provide standard time (eg, Greenwich Mean Time, Central Plains Standard Time), by a mechanism that provides standard time. Providing standard time information (421) to the first digital certificate server device (521) or time correction of the first digital certificate server device (521), thus making the time information (421) more accurate and reliable. Sex.

With continued reference to FIG. 3, in an embodiment, the second attribute information (420) further includes supplementary description information (422) of the file key (151) by the first digital certificate server device (521), thereby enabling the first The administrator of the digital certificate server (521) and the user of the digital content file (15) are more likely to memorize and understand the context of the file key (151).

With continued reference to FIG. 3, the third attribute information (430) includes third time information (431), or fourth time information (432), or a combination of the two. The third time information (431) is the local time when the second digital certificate server device (522) obtains the voucher file (18), and the fourth time information (432) is when the second digital certificate server device (522) When the voucher file (18) is obtained, the first digital certificate server device (521) and the third digit other than the second digital certificate server device (522) are provided to the second digital certificate server device (522). Time is better than standard time. By combining the third attribute information (430) with the voucher file (18) and becoming the preservation file (14), a more objective and fair witness effect can be achieved.

With reference to FIG. 2, in a derivative implementation of the first preferred embodiment, after step (805), the method further includes the step (8051): the first digital certificate server device (521) pairs the voucher file (18). A certificate key (182) is generated and stored by compressing the encryption program. By re-encrypting the voucher file (18), the risk of the voucher file (18) being tampered with without verification is reduced.

With continued reference to FIG. 2, in a derivative implementation of the first preferred embodiment, after step (805), further included

Step (8052): The first digital certificate server device (521) generates a voucher identification code (181) for the voucher file (18) through the compiler, and stores it.

Step (8053): The first digital certificate server device (521) transmits the credential identification code (181) to the digital terminal device (510) via the network device (530).

Step (8054): The voucher identification code (181) is reversely parsed by the digital terminal device (510) to generate its corresponding voucher file (18).

Preferably, the voucher identification code (181) is a QR Code, but is not limited thereto. The purpose of the voucher identification code (181) is to allow the user of the digital terminal device (510) to publicly distribute the voucher identification code (181) to other persons, as well as other persons (or the user of the digital terminal device (510)) as long as By scanning the voucher identification code (181) by a simple scanning and analyzing device, the contents of the voucher file (18) can be read, and the user of the digital terminal device (510) has already recorded the digital content file (15) at a specific time. The file key is obtained as a third-party deposit certificate at a specific location, so the digital content file (15) must be used with reasonable authorization and must not be stolen. In this way, improve the protection and operational efficiency of intellectual property.

With reference to FIG. 2, in another derivative implementation of the first preferred embodiment, after the step (805), the method further includes: (8051) the first digital certificate server device (521) to the voucher file (18) A certificate key (182) is generated and stored by compressing the encryption program. Thereby, the content of the voucher file (18), including the first attribute information and the second attribute information, can be verified and preserved.

With continued reference to FIG. 2, in another derivative implementation of the first preferred embodiment, after step (810), further including

Step (8101): The first digital certificate server device (521) generates a security identification code (141) by storing the security file (14) and stores it.

Step (8102): The first digital certificate server device (521) transmits the security identification code (141) to the digital terminal device (510) via the network device (530).

Step (8103): The digital terminal device (510) reversely parses the security identification code (141) to generate its corresponding security file (14).

The security identification code (141) functions similarly to the voucher identification code (181) as described above. Preferably, the security identification code (141) is a QR Code, but is not limited thereto. The purpose of the security identification code (141) is to allow the user of the digital terminal device (510) to publicly distribute the security identification code (141) to other persons, as well as others (or the user of the digital terminal device (510)) as long as By scanning the voucher identification code (181) by a simple scanning and analyzing device, the user of the digital terminal device (510) can be informed that the digital content file (15) has obtained the file key at a specific time and a specific place as a third party. The certificate is stored, so the digital content file (15) must be used with reasonable authorization and must not be stolen. In this way, improve the protection and operational efficiency of intellectual property.

In the present invention, the network device (530) may be an internet network, a data communication network, or a network of the two types; the internal network of the enterprise firewall may be an intranet or an intranet. The composite network of the external network, for example, the network device (530) between the first digital certificate server device (521) and the digital terminal device (510) is an intranet, and the first digital certificate server device (521) The network device (530) between the second digital certificate server device (522) is an external network. The digital terminal device (510) may be a desktop computer, a notebook computer, a smart phone, a tablet computer, or the like. The digital terminal device (510) may even be another server that stores a large number of digital content files, thereby causing a large number of digital content files in the server to be stored and verified.

With continued reference to FIG. 2, in a derivative implementation of the first preferred embodiment, after step (803), a step (8031) is further included: searching for and comparing in the first digital certificate server device (521) Whether there is the same file key (151).

According to the present embodiment, it is possible to recognize whether or not the same file key (151) as the currently generated file key (151) has been stored in the first digital certificate server device (521), and can be based on the result of the recognition. To perform loading and storing of the attribute information of the file key (151), providing warning information, thereby reducing the voucher file (18) and the digital content file stored in the first digital certificate server device (521) (151) The number of) to improve management efficiency and resource utilization.

Further, in the above embodiment, when the search for the first digital certificate server device (521) contains the same file key (151), it may be according to its corresponding first attribute information (410). The user information is preferentially searched, and after searching for the same user information, the search key comparison of the file key (151) is performed, thereby reducing the comparison time and improving the efficiency.

In one embodiment, if the first digital certificate server device (521) recognizes that the same file key (151) is stored, the first digital certificate server device (521) can notify the digital terminal device (510). Discard the currently uploaded digital content file (15). In this case, since the same file key (151) already exists, it can be recognized that the first digital certificate server device (521) has previously compressed and encrypted the same digital content file (15) for the user to generate a file. The key (151), and the first attribute information (410) and the second attribute information (420) have been previously loaded for the file key (151), and the previous generation time of the file key (151) is recorded. Since the previously saved file key (151) is earlier than the currently generated file key (151), it is optional to abandon the storage of the current file key (151), so that the first digital certificate server device can be guaranteed. The file key (151) and its time information (421) in the voucher file (18) stored in (521) can represent the time information (421) previously generated by the file key (151), thereby further indicating the file gold. The earlier time that the digital content file (15) corresponding to the key (151) exists.

Further, the digital content file (15) can be subjected to an encrypted program in the process of storing the digital content servo database (325), so that the digital content file (15) has better security and security. The role of the cloud safe.

The digital terminal device (510) provided by the present invention may further be provided with a digital camera/video head (not shown), and obtain a digital photo by imaging to be used as a digital content file (15), or may acquire a video by video recording. As a digital content file (15). The digital terminal device (510) provided by the present invention may further be provided with a digital recording device (not shown) for acquiring digital audio as a digital content file (15) by recording.

On the other hand, the digital content file (15) stored in the digital terminal device (510) may be a digital content file obtained by the above-mentioned digital camera/video head or digital recording device; or may be copied; wired/wireless Network transmission (such as Bluetooth, or network sharing, email, etc.) digital content files obtained by other devices; or office software set by digital terminal device (510) (for example: MS OFFICE WORD, MS) Digital content file generated by OFFICE EXCEL, MS OFFICE POWERPOINT, MS FRONTPAGE, MS OUTLOOK) (15); it can also be professional/dedicated software (such as PRO-E, SOLID WORKS, which is set internally by the digital terminal device (510). Digital content files generated by AUTOCAD, accounting software, etc.; or network image files captured by a web browser while browsing the screen.

As such, the digital content cloud storage and deposit method (500) implemented in accordance with the present invention can reduce the size of the file and facilitate storage and utilization by converting the digital content file (15) into the file key (151). In addition, the credential file (18) formed by further loading each attribute information into the archive key (151) is stored in the first digital certificate server device (521) to prove that the digital content file (15) has been at a specific time. The facts exist and ensure the reliability of the voucher file (18) time. Further, since the voucher file (18) is preferentially stored in the first digital certificate server device (521), and the voucher key (182) is generated by compression encryption, the data in the voucher file (18) can be avoided. It has been tampered with to ensure the fairness of the voucher file (18).

Furthermore, it must be reminded that according to TRIZ theory (Theoria Resheneyva Isobretatelskehuh Zadach, the theory of innovative problem solving), the father of TRIZ: Genrich Altshuller has proposed a five-level innovation theory, from the first level of innovation to the fifth level of innovation. The higher the degree, the greater the degree of innovation, and the shifting of cross-domain knowledge to the fourth level of innovation is highly innovative. The invention uses the compression encryption program to generate the file key using the "cryptographic principle", the international patent classification number is G09C, and the specific device embodied is "the device for transmitting the confidential digital information", and the international patent classification number is H04L9/00. The third-party fair voucher function of the person, time, place, and thing/object provided is also in the field of “insurance seal”, and the international patent classification number is G09F. Therefore, the present invention integrates a plurality of different technologies and different industries, and is a cross-domain integrated technology, which is highly novel and progressive.

The above description is only the preferred embodiment of the present invention and its embodiments, and is not intended to limit the scope of the present invention. The above description should be understood and implemented by those skilled in the relevant art, so that the other Equivalent changes or modifications made by the spirit of the invention should be included in the scope of the patent application.

(500). . . Digital content integrated storage device

(510). . . Digital terminal device

(521). . . First digital certificate server device

(522). . . Second digital certificate server device

(530). . . Network device

(15). . . Digital content file

(151). . . File key

(18). . . Voucher file

(181). . . Voucher ID

(182). . . Credential key

(14). . . Security file

(141). . . Security identification code

(142). . . Security key

(410). . . First attribute information

(411). . . User information

(4111). . . User identity information

(4112). . . Remarks information

(412). . . Location identification information

(4121). . . Geographic information

(4122). . . Machine information

(420). . . Second attribute information

(421). . . Time information

(4211). . . First time information

(4212). . . Second time information

(422). . . Supplementary information

(430). . . Third attribute information

(431). . . Third time information

(432). . . Fourth time information

(801,802,803,804,805,806,807,808,809,810,8031,8051,8052,8053,8054,8101,8102,8103). . . Digital content verification step

Figure 1 shows a digital content integrated depository device.

2 is a first preferred embodiment of a digital content cloud storage and deposit method according to the present invention.

3 is a schematic diagram of first attribute information, second attribute information, time information, location identification information, and user information proposed by the present invention.

(510). . . Digital terminal device

(521). . . First digital certificate server device

(522). . . Second digital certificate server device

(530). . . Network device

(15). . . Digital content file

(151). . . File key

(18). . . Voucher file

(181). . . Voucher ID

(182). . . Credential key

(14). . . Security file

(141). . . Security identification code

(142). . . Security key

(410). . . First attribute information

(420). . . Second attribute information

(430). . . Third attribute information

(801,802,803,804,805,806,807,808,809,810,8031,8051,8052,8053,8054,8101,8102,8103). . . Digital content verification step

Claims (10)

A digital content cloud storage and deposit method for use in a digital content integrated storage device (500) for depositing a digital content file (15), the digital content integrated storage device (500) comprising At least one digital terminal device (510), at least one first digital certificate server device (521), at least one second digital certificate server device (522), and a network device (530), the network device ( 530 is connected to the digital terminal device (510), the first digital certificate server device (521) and the second digital certificate server device (522). The digital content cloud storage and deposit method comprises the following steps:
(801) the first digital certificate server device (521) obtains a digital content file (15) at the digital terminal device (510) through the network device (530) and stores it;
(802) the first digital certificate server device (521) obtains, by the network device (530), first attribute information (410) corresponding to the digital content file (15) at the digital terminal device (510). And storing the first attribute information (410) including user information (411) and location identification information (412) of the digital content file (15), the location identification information (412) including geographic information (4121) and / Or machine information (4122), the geographic information (4121) is the geographic location of the digital terminal device (510), and the machine information (4122) is the device identity code of the digital terminal device (510);
(803) the first digital certificate server device (521) generates an archive key (151) and stores the digital content file (15) by compressing the encryption program;
(804) the first digital certificate server device (521) generates second attribute information (420) corresponding to the file key (151) and stores it, the second attribute information (420) including the first The digital certificate server device (521) generates time information (421) of the file key (151), wherein the time information (421) includes first time information (4211) and/or second time information (4212), The first time information (4211) is a local time of the first digital certificate server device (521), and the second time information (4212) is the digital terminal device (510) and the first digital certificate server The time provided by the third party other than the device (521) to the first digital certificate server device (521);
(805) the first digital certificate server device (521) loads the first attribute information (410) and the second attribute information (420) to the file key (151) to form a voucher file (18) And store it;
(806) the first digital certificate server device (521) sends the certificate file (18) to the second digital certificate server device (522) through the network device (530);
(807) the second digital certificate server device (522) generates and stores third attribute information (430) corresponding to the voucher file (18), the third attribute information (430) including the second digit The deposit server device (522) obtains third time information (431) and/or fourth time information (432) of the voucher file (18), and the third time information (431) is the second digital voucher servo The local time of the device (522), the fourth time information (432) is provided by the third party other than the first digital certificate server device (521) and the second digital certificate server device (522) The time of the second digital certificate server device (522);
(808) the second digital certificate server device (522) loads the third attribute information (410) into the voucher file (18) to form a security file (14) and stores it;
(809) the second digital certificate server device (522) generates a security key (142) and stores the security file (142) by compressing the encryption file (14);
(810) the second digital certificate server device (522) sends the security file (14) and/or the security key (142) to the first digital certificate server through the network device (530) Device (521). The digital content cloud storage and deposit method according to Item 1 of the patent application scope, wherein after step (803), further comprising:
(8031) In the first digital certificate server device (521), it is searched for and compared whether the same file key exists (151). The digital content cloud storage and deposit method according to claim 1 of the patent application scope, wherein after step (805), further comprising:
(8051) The first digital certificate server device (521) generates a voucher key (182) for the voucher file (18) by compressing the encryption program and stores it. The digital content cloud storage and deposit method according to claim 1 of the patent application scope, wherein after step (805), further comprising:
(8052) The first digital certificate server device (521) generates a voucher identification code (181) by storing the voucher file (18) and storing it. The digital content cloud storage and deposit method according to item 4 of the patent application scope, wherein after step (8052), further comprising:
(8053) The first digital certificate server device (521) transmits the credential identification code (181) to the digital terminal device (510) via the network device (530). The digital content cloud storage and deposit method according to item 5 of the patent application scope, wherein after step (8053), further comprising:
(8054) The digital terminal device (510) reversely parses the voucher identification code (181) to generate its corresponding voucher file (18). The digital content cloud storage and deposit method according to item 4 of the patent application scope, wherein the voucher identification code (181) is a two-dimensional bar code. The digital content cloud storage and deposit method according to claim 1 of the patent application scope, wherein after step (810), further comprising:
(8101) The first digital certificate server device (521) generates a security identification code (141) by storing the security file (14) and stores it. The digital content cloud storage and deposit method according to item 8 of the patent application scope, wherein after the step (8101), the method further comprises:
(8102) The first digital certificate server device (521) transmits the security identification code (141) to the digital terminal device (510) via the network device (530). The digital content cloud storage and deposit method according to claim 9 of the patent application scope, wherein after the step (8102), the method further comprises:
(8103) The digital terminal device (510) reversely analyzes the security identification code (141) to generate a corresponding security file (14).