CN114329555A - Video file encryption processing method and device, storage medium and equipment - Google Patents

Abstract

The invention discloses a video file encryption processing method, device, storage medium and equipment. Wherein, the method includes: obtaining the original video file and the number of video bytes of the above-mentioned original video file; according to the above-mentioned number of video bytes, using a binary tree algorithm to perform segmentation processing on the above-mentioned original video file to obtain a plurality of sub-video files; Each sub-video file in the above-mentioned sub-video files is encrypted to obtain a plurality of encrypted sub-video files; and a plurality of the above-mentioned encrypted sub-video files are spliced to obtain an encrypted video file. The invention solves the technical problem that the encryption processing method of the video file in the prior art is too simple and easy to be cracked.

Description

Video file encryption processing method, device, storage medium and device

technical field

The present invention relates to the technical field of information security, and in particular, to a video file encryption processing method, device, storage medium and device.

Background technique

Recording every bit of life by recording videos has become mainstream in users' lives, but the related technologies in video protection are very lacking, resulting in every user being exploited by criminals to steal users. Risk of privacy videos for your own benefit.

In the prior art, the methods of protecting video files are similar, and most of them use various different means to obtain secret keys from the video files, and then encrypt the video files by using the secret keys, for example: directly pre-preserving key frames in the video files. Encrypt the data in bytes or fields to obtain the corresponding secret key; encrypt the video file through the secret key. Once the secret key is illegally obtained, the video file is very likely to be stolen. The existing encryption method is too simple and easy to be cracked by brute force, and cannot effectively protect the video.

For the above problems, no effective solution has been proposed yet.

SUMMARY OF THE INVENTION

Embodiments of the present invention provide a video file encryption processing method, device, storage medium and device, to at least solve the technical problem that the video file encryption processing method in the prior art is too simple and easy to be cracked.

According to an aspect of the embodiments of the present invention, a video file encryption processing method is provided, including: obtaining an original video file and the number of video bytes of the original video file; The file is divided into a plurality of sub-video files to obtain a plurality of sub-video files; each sub-video file in the plurality of above-mentioned sub-video files is encrypted to obtain a plurality of encrypted sub-video files; After splicing, an encrypted video file is obtained.

Optionally, according to the above-mentioned number of video bytes, the above-mentioned original video file is divided and processed by a binary tree algorithm to obtain a plurality of sub-video files, including: defining the last number of the above-mentioned video byte number as the initial tree height of the above-mentioned binary tree model. If the last number of the above-mentioned video bytes is 0, then the above-mentioned initial tree height value is determined to be 10; if the above-mentioned initial tree height value is divided by 2 to obtain an integer, then the above-mentioned initial tree height value is added by 1 to obtain current tree height value; calculating the number of video segmentation nodes according to the current tree height value; dividing the original video file according to a predetermined segmentation ratio and the number of video segmentation nodes to obtain a plurality of the sub-video files.

Optionally, the above-mentioned dividing the above-mentioned original video file according to the predetermined dividing ratio and the above-mentioned number of video dividing nodes to obtain a plurality of above-mentioned sub-video files includes: dividing the above-mentioned original video file according to the above-mentioned predetermined dividing ratio and the above-mentioned number of video dividing nodes. The obtained multiple above-mentioned sub-video files respectively generate the left sub-tree and the right sub-tree of the above-mentioned binary tree model, wherein the number of sub-videos at the bottommost level and the number of nodes of the above-mentioned left sub-tree and the above-mentioned right sub-tree are the same.

Optionally, the above-mentioned encryption processing is performed on each sub-video file in the plurality of above-mentioned sub-video files respectively, and a plurality of encrypted sub-video files are obtained, including: obtaining the sub-video bytes and sub-video files in the above-mentioned left sub-tree. The number of divisions; according to the above-mentioned sub-video byte number and the above-mentioned sub-video file division times, the first secret key parameter corresponding to the above-mentioned left subtree is obtained by calculating; The video file is encrypted to obtain an encrypted left subtree video file.

Optionally, the above-mentioned encryption processing is performed on each sub-video file in the plurality of above-mentioned sub-video files respectively, and a plurality of encrypted sub-video files are obtained, including: obtaining the sub-video bytes and sub-video files in the above-mentioned right subtree. The number of times of division; according to the number of sub-video bytes and the number of times of division of the sub-video file, the second key parameter corresponding to the above-mentioned right subtree is obtained by calculating, wherein the above-mentioned second key parameter is the same as the above-mentioned first key parameter or Different; multithreading adopts above-mentioned second secret key parameter to encrypt each sub-video file in above-mentioned right subtree, obtains the right subtree video file after encryption, wherein, the encryption algorithm of above-mentioned right subtree and above-mentioned left subtree is different .

Optionally, performing the splicing process on a plurality of the above-mentioned encrypted sub-video files to obtain the encrypted video files includes: obtaining the size in bytes of each of the above-mentioned encrypted sub-video files; according to the above-mentioned size in bytes, Perform sorting processing on a plurality of the above encrypted sub-video files; perform splicing processing on the sorted plurality of the above-mentioned encrypted sub-video files to obtain the above-mentioned encrypted video files.

Optionally, the above-mentioned method further includes: when performing decryption processing on the above-mentioned encrypted video files, traversing a plurality of above-mentioned encrypted sub-video files according to a post-order traversal algorithm of the above-mentioned binary tree model to obtain a plurality of above-mentioned sub-video files. The original arrangement sequence; adopt the encryption key parameter corresponding to each above-mentioned encrypted sub-video file, decrypt the above-mentioned encrypted sub-video file, and obtain a plurality of decrypted above-mentioned sub-video files; According to the above-mentioned original The above-mentioned original video files are obtained by performing splicing processing on the plurality of decrypted above-mentioned sub-video files in order of arrangement.

According to another aspect of the embodiments of the present invention, a video file encryption processing device is also provided, including: an acquisition module for acquiring the original video file and the number of video bytes of the above-mentioned original video file; The number of video bytes, the binary tree algorithm is used to divide the above-mentioned original video file to obtain a plurality of sub-video files; the encryption module is used to encrypt each sub-video file in the plurality of above-mentioned sub-video files respectively to obtain a plurality of encrypted sub-video files. The splicing module is used to perform splicing processing on a plurality of the above encrypted sub-video files to obtain an encrypted video file.

According to another aspect of the embodiments of the present invention, a computer-readable storage medium is also provided, where the computer-readable storage medium stores a plurality of instructions, and the instructions are adapted to be loaded and executed by a processor of any one of the above-mentioned video files. Encryption processing method.

According to another aspect of the embodiments of the present invention, an electronic device is also provided, including a memory and a processor, the memory stores a computer program, and the processor is configured to run the computer program to execute any one of the above videos File encryption processing method.

In the embodiment of the present invention, the original video file and the number of video bytes of the above-mentioned original video file are obtained; according to the above-mentioned number of video bytes, a binary tree algorithm is used to divide the above-mentioned original video file to obtain a plurality of sub-video files; Each sub-video file in the plurality of above-mentioned sub-video files is encrypted to obtain a plurality of encrypted sub-video files; and the plurality of above-mentioned encrypted sub-video files are spliced to obtain encrypted video files, which achieves complete integrity. The video is segmented and encrypted based on the binary tree algorithm, thereby realizing the technical effect of double protection of the video file, thereby solving the technical problem that the encryption processing method of the video file in the prior art is too simple and easy to be cracked.

Description of drawings

The accompanying drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached image:

1 is a flowchart of a video file encryption processing method according to an embodiment of the present invention;

2 is a schematic diagram of an optional binary tree model according to an embodiment of the present invention;

3 is a schematic diagram of the entire process of an optional video file encryption method according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a video file encryption processing apparatus according to an embodiment of the present invention.

Detailed ways

In order to make those skilled in the art better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only Embodiments are part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

It should be noted that the terms "first", "second" and the like in the description and claims of the present invention and the above drawings are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used may be interchanged under appropriate circumstances such that the embodiments of the invention described herein can be practiced in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having" and any variations thereof, are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those expressly listed Rather, those steps or units may include other steps or units not expressly listed or inherent to these processes, methods, products or devices.

Example 1

According to an embodiment of the present invention, an embodiment of a video file encryption processing method is provided. It should be noted that the steps shown in the flowchart of the accompanying drawing can be executed in a computer system such as a set of computer-executable instructions, and , although a logical order is shown in the flowcharts, in some cases steps shown or described may be performed in an order different from that herein.

FIG. 1 is a flowchart of a video file encryption processing method according to an embodiment of the present invention. As shown in FIG. 1 , the method includes the following steps:

Step S102, obtaining the video bytes of the original video file and the above-mentioned original video file;

Step S104, according to the above-mentioned video byte count, adopt binary tree algorithm to carry out segmentation processing to above-mentioned original video file, obtain a plurality of sub-video files;

Step S106, respectively encrypting each sub-video file in the plurality of above-mentioned sub-video files to obtain a plurality of encrypted sub-video files;

Step S108, performing a splicing process on a plurality of the above-mentioned encrypted sub-video files to obtain an encrypted video file.

In the embodiment of the present invention, the execution subject of the encryption processing scheme of the video file provided in the above steps S102 to S108 is the server, that is, the above server is used to obtain the original video file and the number of video bytes of the above original video file; the binary tree algorithm is used based on the The above-mentioned video bytes are divided into the above-mentioned original video files to obtain a plurality of sub-video files; and then each above-mentioned sub-video file is encrypted to obtain a plurality of encrypted sub-video files; The sub-video files are spliced together to obtain an encrypted complete video file.

It should be noted that the video file encryption technology based on the binary tree algorithm proposed by the present invention fully combines the binary tree algorithm and the dynamic encryption technology to realize the double protection of the video file. By dividing the video into an unpredictable number of sub-video files, and then encrypting the sub-video files with different encryption types, the arrangement order of the sub-video files cannot be predicted during the process of dividing and encrypting. However, the traditional video file protection and distribution only performs single encryption on the video, and once faced with professional tools for brute force cracking, there is a risk of being stolen.

As an optional embodiment, as shown in the schematic diagram of the binary tree model shown in FIG. 2 , the obtained original video file and the number of video bytes of the original video file may be defined as the root of the binary tree model, and in the embodiment of the present invention The binary tree model used is a full binary tree model, that is, all nodes on each layer have two child nodes except the last layer without any child nodes; the full binary tree algorithm is used to divide the above original video file, and the divided Each sub-video file is encrypted by different encryption methods, and finally all the sub-video files above are spliced to obtain an encrypted video file.

It should be noted that the encrypted sub-video files can also be sorted and stored according to the size of the bytes, and the sequence of the original video can be disrupted, so as to achieve the purpose of effectively protecting the video files.

Optionally, in the server of the receiver that receives the above-mentioned encrypted video file, the sub-video files are traversed according to the post-order traversal method of the binary tree algorithm, the original order of the sub-video files is obtained, and each sub-video file is obtained. The key parameter of file encryption is to decrypt the sub-video files in each sub-tree separately through multi-threading, and splicing the decrypted sub-video files layer by layer in the original order until the original video file is restored.

Through the embodiment of the present invention, the binary tree algorithm and the dynamic encryption technology are fully combined, the double protection of the video file is realized, and the video is divided into an unpredictable number of sub-videos, and the sub-videos are encrypted by different encryption types. The sequential arrangement of the sub-videos achieves the purpose of dividing and encrypting the complete video based on the binary tree algorithm, thereby realizing the technical effect of double-protecting the video file, and solving the problem that the encryption processing method of the video file in the prior art is too simple, There are technical problems that can be easily cracked.

In an optional embodiment, according to the above-mentioned number of video bytes, the above-mentioned original video file is segmented by a binary tree algorithm to obtain a plurality of sub-video files, including:

Step S202, the last number of the above-mentioned video bytes is defined as the initial tree height value of the above-mentioned binary tree model, wherein, if the last number of the above-mentioned video bytes is 0, then determine that the above-mentioned initial tree height value is 10;

Step S204, if the above-mentioned initial tree height value is divided by 2 to obtain an integer, then the above-mentioned initial tree height value is added by 1 to obtain the current tree height value;

Step S206, calculating the number of video segmentation nodes according to the above-mentioned current tree height value;

Step S208: Divide the original video file according to a predetermined division ratio and the number of video division nodes to obtain a plurality of sub-video files.

In the embodiment of the present invention, the server defines the last number of the video bytes as the initial tree height value of the binary tree model; the number of video segmentation nodes is calculated according to the current tree height value; The number of dividing nodes is used to divide the above-mentioned original video file to obtain a plurality of above-mentioned sub-video files.

It should be noted that if the last number of the above-mentioned video bytes is 0, the above-mentioned initial tree height value is determined to be 10; if the above-mentioned initial tree height value is divided by 2 to obtain an integer, then the above-mentioned initial tree height value is added by 1 , as the current tree height value.

As an optional embodiment, in the process of obtaining the tree height h, the number of sub-video files to be divided is determined according to the number of nodes n, and the divided left and right sub-trees are encrypted in different types. The above process of obtaining the tree height h can calculate the tree height h according to the mantissa of the number of video bytes, and obtain sub-video files with different byte ratios through the number of nodes n. The sub-video files of different subtrees are encrypted in different ways. Type, sort the sub-video files with different numbers of bytes to achieve the effect of unpredictable normal video sequence, so as to strictly protect the video.

It should be noted that the sorting method of the above sub-video files can be flexibly changed according to the actual situation, and the different encryption types and numbers of the sub-video files of different sub-trees are not specifically limited.

It should also be noted that, in order to prevent an empty binary tree with only roots and no subtrees, the height of the initial binary tree is set to 2, and the tree height h can be calculated by taking the mantissa of the number of video bytes, and dividing its height value by 2. If If an integer appears, add 1 to the tree height. If the last number is 0, take 10 as the tree height for calculation.

In an optional embodiment, the above-mentioned original video file is divided according to a predetermined division ratio and the above-mentioned number of video division nodes to obtain a plurality of above-mentioned sub-video files, including:

Step S302, according to the above-mentioned predetermined division ratio and the above-mentioned number of video division nodes, a plurality of above-mentioned sub-video files obtained by dividing the above-mentioned original video file are respectively generated. The left sub-tree and the right sub-tree of the binary tree model, wherein the left sub-tree It is the same as the number of sub-videos and the number of nodes at the bottom of the above right sub-tree.

In this embodiment of the present invention, according to the predetermined division ratio and the number of video division nodes, the left subtree and the right subtree of the binary tree model are respectively generated from the plurality of sub-video files obtained by dividing the original video file.

It should be noted that the number of sub-videos and the number of nodes at the lowest level of the left subtree and the right subtree are the same.

As an optional embodiment, the number of nodes can be calculated according to the height h of the binary tree, and the calculation formula is as follows: n=2 ^h-1 , and the video file can be divided according to the ratio of the number of bytes to 4:6. After one division, the left subtree and the right subtree of the binary tree are generated, and the number of the bottommost sub-video files after the complete division is the same as the number n of the bottommost nodes.

In an optional embodiment, each of the above-mentioned multiple sub-video files is encrypted to obtain a plurality of encrypted sub-video files, including:

Step S402, obtaining the sub-video bytes and sub-video file division times in the above-mentioned left subtree;

Step S404, according to the above-mentioned sub-video byte number and the above-mentioned sub-video file division times, calculate and obtain the first secret key parameter corresponding to the above-mentioned left subtree;

Step S406: Multithreading encrypts each sub-video file in the above-mentioned left sub-tree by using the above-mentioned first secret key parameter, and obtains an encrypted left sub-tree video file.

In the embodiment of the present invention, the number of sub-video bytes in the above-mentioned left subtree and the number of times of division of the sub-video file are obtained; according to the above-mentioned number of bytes of the sub-video and the above-mentioned number of times of division of the sub-video file, the first number corresponding to the above-mentioned left subtree is obtained by calculating a secret key parameter; multithreading uses the first secret key parameter to encrypt each sub-video file in the left subtree, and obtains an encrypted left subtree video file.

计算出该子视频所需加密的秘钥参数e₁，并开启多线程对各个子视频采用数据加密标准Des(Data Encryption Standard)进行加密。As an optional embodiment, obtain all the divided videos and the number of bytes of the left subtree, according to the number of bytes m ₁ of each sub-video and the number of times of division x ₁ of the sub-video, by formula

The key parameter e ₁ required to be encrypted for the sub-video is calculated, and multi-threading is started to encrypt each sub-video using the data encryption standard Des (Data Encryption Standard).

In an optional embodiment, each of the above-mentioned multiple sub-video files is encrypted to obtain a plurality of encrypted sub-video files, including:

Step S502, obtaining the sub-video bytes and sub-video file division times in the above-mentioned right subtree;

Step S504: Calculate the second key parameter corresponding to the right subtree according to the number of bytes of the sub-video and the number of times of dividing the sub-video file, wherein the second key parameter is the same as the first key parameter or different;

Step S506: Multithreading uses the above-mentioned second key parameter to encrypt each sub-video file in the above-mentioned right sub-tree to obtain an encrypted right sub-tree video file, wherein the encryption algorithm of the above-mentioned right sub-tree and the above-mentioned left sub-tree different.

In the embodiment of the present invention, the number of sub-video bytes in the above-mentioned right subtree and the number of times of division of the sub-video file are obtained; according to the above-mentioned number of bytes of the sub-video and the above-mentioned number of times of division of the sub-video file, the first number corresponding to the above-mentioned right subtree is obtained by calculating a secret key parameter; multithreading uses the first secret key parameter to encrypt each sub-video file in the right subtree to obtain an encrypted right subtree video file.

计算出该子视频所需加密的秘钥参数e₂，开启多线程对各个子视频采用高级加密标准Aes(Advanced EncryptionStandard)进行加密。As an optional embodiment, obtain all the divided videos and the number of bytes of the right subtree, according to the number of bytes m ₂ of each sub-video and the number of times of division v ₂ of the sub-video, by formula

The key parameter e ₂ required to be encrypted for the sub-video is calculated, and multi-threading is enabled to encrypt each sub-video using the Advanced Encryption Standard Aes (Advanced Encryption Standard).

In an optional embodiment, the above-mentioned splicing processing is performed on a plurality of the above-mentioned encrypted sub-video files to obtain encrypted video files, including:

Step S602, obtaining the byte size of each above-mentioned encrypted sub-video file;

Step S604, sorting and processing a plurality of the above-mentioned encrypted sub-video files according to the above-mentioned size of the number of bytes;

Step S606: Perform a splicing process on the sorted plurality of the above-mentioned encrypted sub-video files to obtain the above-mentioned encrypted video files.

As an optional embodiment, the encrypted sub-video files are sorted and stored by the size of bytes or in other ways, the sequence of the original video is disrupted, and a splicing process is performed on the sorted plurality of the above-mentioned encrypted sub-video files. , to obtain the above-mentioned encrypted video file, thereby realizing effective protection of the video file.

In an optional embodiment, the above method further includes:

Step S702, when performing decryption processing on the above-mentioned encrypted video files, traverse the plurality of above-mentioned encrypted sub-video files according to the post-order traversal algorithm of the above-mentioned binary tree model, and obtain the original arrangement order of the plurality of above-mentioned sub-video files;

Step S704, using the encryption key parameter corresponding to each of the above-mentioned encrypted sub-video files, decrypt the above-mentioned encrypted sub-video files, and obtain a plurality of above-mentioned decrypted sub-video files;

Step S706, performing splicing processing on the plurality of decrypted sub-video files according to the original arrangement order to obtain the original video file.

As an optional embodiment, in the server of the receiver receiving the above-mentioned encrypted video file, the sub-video files are traversed according to the post-order traversal method of the binary tree algorithm, and the original order of the sub-video files is obtained, And obtain the encrypted key parameters of each sub-video file, decrypt the sub-video files in each sub-tree by multi-threading, and splicing the decrypted sub-video files layer by layer in the original order until the original video file is restored. until.

Through the above steps, as shown in the schematic diagram of the whole process of the video file encryption method as shown in Figure 3, the double protection of the video file can be realized, and the video can be divided into an unpredictable number of sub-videos. The sequential arrangement of the sub-videos achieves the purpose of dividing and encrypting the complete video based on the binary tree algorithm, thereby realizing the technical effect of double-protecting the video file, and solving the problem that the encryption processing method of the video file in the prior art is too simple, There are technical problems that can be easily cracked.

Example 2

According to an embodiment of the present invention, an embodiment of an apparatus for implementing the above video file encryption processing is also provided. FIG. 4 is a schematic structural diagram of a video file encryption processing apparatus according to an embodiment of the present invention, as shown in FIG. 4 , The above device includes: an acquisition module 40, a segmentation module 42, an encryption module 44 and a splicing module 46, wherein:

Obtaining module 40 is used to obtain the video bytes of the original video file and the above-mentioned original video file;

The segmentation module 42 is used to perform segmentation processing on the above-mentioned original video file by adopting a binary tree algorithm according to the above-mentioned number of video bytes to obtain a plurality of sub-video files;

Encryption module 44 is used to encrypt each sub-video file in a plurality of above-mentioned sub-video files respectively to obtain a plurality of encrypted sub-video files;

The splicing module 46 is configured to perform splicing processing on a plurality of the above-mentioned encrypted sub-video files to obtain encrypted video files.

It should be noted here that the above-mentioned acquisition module 40, segmentation module 42, encryption module 44 and splicing module 46 correspond to steps S102 to S108 in Embodiment 1, and examples and application scenarios implemented by the four modules and corresponding steps The same, but not limited to the content disclosed in Example 1 above.

It should be noted that, for the preferred implementation of this embodiment, reference may be made to the relevant description in Embodiment 1, and details are not repeated here.

According to an embodiment of the present invention, there is also provided an embodiment of a computer-readable storage medium. Optionally, in this embodiment, the above-mentioned computer-readable storage medium may be used to store the program code executed by the video file encryption process provided in the above-mentioned Embodiment 1.

Optionally, in this embodiment, the computer-readable storage medium may be located in any computer terminal in a computer terminal group in a computer network, or in any mobile terminal in a mobile terminal group.

Optionally, in this embodiment, a computer-readable storage medium is configured to store program codes for performing the following steps: obtaining the original video file and the video byte count of the above-mentioned original video file; according to the above-mentioned video byte count, The above-mentioned original video files are divided by binary tree algorithm to obtain a plurality of sub-video files; each sub-video file in the plurality of above-mentioned sub-video files is encrypted respectively to obtain a plurality of encrypted sub-video files; The encrypted sub-video files are spliced to obtain an encrypted video file.

Optionally, the above-mentioned computer-readable storage medium can also execute the program code of the following steps: the last number of the above-mentioned video bytes is defined as the initial tree height value of the above-mentioned binary tree model, wherein, if the last number of the above-mentioned video bytes is counted. If it is 0, the above initial tree height value is determined to be 10; if the above initial tree height value is divided by 2 to obtain an integer, then the above initial tree height value is added by 1 to obtain the current tree height value; Calculated according to the above current tree height value The number of video segmentation nodes; according to a predetermined segmentation ratio and the number of video segmentation nodes, the original video file is divided to obtain a plurality of the sub-video files.

Optionally, the above-mentioned computer-readable storage medium can also execute the program code of the following steps: according to the above-mentioned predetermined division ratio and the above-mentioned number of video division nodes, the above-mentioned multiple sub-video files obtained by dividing the above-mentioned original video file are respectively generated. The above-mentioned binary tree is generated. The left subtree and the right subtree of the model, wherein the number of sub-videos and the number of nodes at the bottommost level of the above left subtree and the above right subtree are the same.

Optionally, the above-mentioned computer-readable storage medium can also execute the program code of the following steps: obtain the number of sub-video bytes in the above-mentioned left subtree and the number of times of sub-video file division; number of times to obtain the first key parameter corresponding to the left subtree; multithreading uses the first key parameter to encrypt each sub-video file in the left subtree to obtain an encrypted left subtree video file.

Optionally, the above-mentioned computer-readable storage medium can also execute the program code of the following steps: obtain the number of sub-video bytes in the above-mentioned right subtree and the number of times of sub-video file division; times, the second key parameter corresponding to the above-mentioned right subtree is obtained by calculating, wherein the above-mentioned second key parameter is the same as or different from the above-mentioned first key parameter; multithreading adopts the above-mentioned second key parameter to the above-mentioned right subtree Each sub-video file in is encrypted to obtain an encrypted right sub-tree video file, wherein the encryption algorithm of the above-mentioned right sub-tree and the above-mentioned left sub-tree is different.

Optionally, the above-mentioned computer-readable storage medium can also execute the program code of the following steps: obtaining the byte size of each of the above-mentioned encrypted sub-video files; Perform sorting processing on the video files; perform splicing processing on a plurality of the above-mentioned encrypted sub-video files after sorting to obtain the above-mentioned encrypted video files.

Optionally, the above-mentioned computer-readable storage medium can also execute the program code of the following steps: when the above-mentioned encrypted video file is decrypted, according to the post-order traversal algorithm of the above-mentioned binary tree model, a plurality of above-mentioned encrypted sub-video files are processed. Perform traversal to obtain the original arrangement order of a plurality of the above-mentioned sub-video files; using the encryption key parameter corresponding to each of the above-mentioned encrypted sub-video files, decrypt the above-mentioned encrypted sub-video files, and obtain a plurality of decrypted sub-video files. The above-mentioned sub-video files are spliced according to the above-mentioned original arrangement order, and the above-mentioned original video files are obtained.

According to an embodiment of the present invention, an embodiment of a processor is also provided. Optionally, in this embodiment, the above-mentioned computer-readable storage medium may be used to store the program code executed by the video file encryption process provided in the above-mentioned Embodiment 1.

An embodiment of the present application provides an electronic device, the device includes a processor, a memory, and a program stored in the memory and running on the processor, and the processor implements the following steps when executing the program: acquiring an original video file and the above-mentioned original video file According to the above-mentioned video bytes, the above-mentioned original video file is divided and processed by the binary tree algorithm to obtain a plurality of sub-video files; each sub-video file in the plurality of above-mentioned sub-video files is encrypted and processed to obtain A plurality of encrypted sub-video files; performing splicing processing on a plurality of the above-mentioned encrypted sub-video files to obtain an encrypted video file.

Optionally, the above-mentioned electronic device can also execute the program code of the following steps: the end number of the above-mentioned video byte number is defined as the initial tree height value of the above-mentioned binary tree model, wherein, if the above-mentioned video byte number The end number of the number is 0, Then it is determined that the above-mentioned initial tree height value is 10; if the above-mentioned initial tree height value is divided by 2 to obtain an integer, then the above-mentioned initial tree height value is added by 1 to obtain the current tree height value; the video segmentation node is calculated according to the above-mentioned current tree height value. according to the predetermined division ratio and the number of the above-mentioned video division nodes, divide the above-mentioned original video file to obtain a plurality of above-mentioned sub-video files.

Optionally, the above-mentioned electronic device may also execute the program code of the following steps: according to the above-mentioned predetermined division ratio and the above-mentioned number of video division nodes, a plurality of above-mentioned sub-video files obtained by dividing the above-mentioned original video file are respectively generated to generate the left side of the above-mentioned binary tree model. A subtree and a right subtree, wherein the number of sub-videos and the number of nodes at the bottom of the left subtree and the right subtree are the same.

Optionally, the above-mentioned electronic device can also execute the program code of the following steps: obtain the sub-video bytes and sub-video file division times in the above-mentioned left subtree; calculate the sub-video bytes and sub-video file division times according to the above-mentioned sub-video bytes Obtain the first secret key parameter corresponding to the left subtree; multithreading uses the first secret key parameter to encrypt each sub-video file in the left subtree to obtain an encrypted left subtree video file.

Optionally, the above-mentioned electronic equipment can also execute the program code of the following steps: obtain the sub-video bytes and sub-video file division times in the above-mentioned right subtree; calculate the sub-video bytes and sub-video file division times according to the above-mentioned sub-video bytes Obtain the second key parameter corresponding to the above-mentioned right subtree, wherein the above-mentioned second key parameter is the same as or different from the above-mentioned first key parameter; multithreading adopts the above-mentioned second key parameter to each The sub-video file is encrypted to obtain an encrypted right sub-tree video file, wherein the encryption algorithms of the above-mentioned right sub-tree and the above-mentioned left sub-tree are different.

Optionally, the above-mentioned electronic device can also execute the program code of the following steps: obtain the size of the number of bytes of each of the above-mentioned encrypted sub-video files; Sorting processing: performing splicing processing on the sorted plurality of the above-mentioned encrypted sub-video files to obtain the above-mentioned encrypted video files.

Optionally, the above-mentioned electronic device can also execute the program code of the following steps: when performing decryption processing on the above-mentioned encrypted video file, traverse a plurality of the above-mentioned encrypted sub-video files according to the post-order traversal algorithm of the above-mentioned binary tree model, Obtain the original arrangement order of a plurality of above-mentioned sub-video files; adopt the encryption key parameter corresponding to each above-mentioned encrypted sub-video file, decrypt the above-mentioned encrypted sub-video files, and obtain a plurality of decrypted above-mentioned sub-video files. Video files; perform splicing processing on a plurality of decrypted sub-video files according to the above-mentioned original arrangement order to obtain the above-mentioned original video files.

The present application also provides a computer program product, which, when executed on a data processing device, is suitable for executing a program initialized with the following method steps: obtaining an original video file and the number of video bytes of the above-mentioned original video file; number of sections, using binary tree algorithm to perform segmentation processing on the above-mentioned original video file to obtain a plurality of sub-video files; respectively encrypting each sub-video file in the plurality of above-mentioned sub-video files to obtain a plurality of encrypted sub-video files; A plurality of the above encrypted sub-video files are spliced to obtain an encrypted video file.

The above-mentioned serial numbers of the embodiments of the present invention are only for description, and do not represent the advantages or disadvantages of the embodiments.

In the above-mentioned embodiments of the present invention, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

In the several embodiments provided in this application, it should be understood that the disclosed technical content can be implemented in other ways. The device embodiments described above are only illustrative, for example, the division of the units may be a logical function division, and there may be other division methods in actual implementation, for example, multiple units or components may be combined or Integration into another system, or some features can be ignored, or not implemented. On the other hand, the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of units or modules, and may be in electrical or other forms.

The units described as separate components may or may not be physically separated, and components shown as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this embodiment.

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit. The above-mentioned integrated units may be implemented in the form of hardware, or may be implemented in the form of software functional units.

The integrated unit, if implemented in the form of a software functional unit and sold or used as an independent product, may be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention is essentially or the part that contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium , including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of the present invention. The aforementioned storage medium includes: U disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disk or optical disk and other media that can store program codes .

The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the principles of the present invention, several improvements and modifications can be made. It should be regarded as the protection scope of the present invention.

Claims (10)

1. a video file encryption processing method, is characterized in that, comprises: Obtain the original video file and the number of video bytes of the original video file; According to the number of bytes of the video, a binary tree algorithm is used to divide the original video file to obtain a plurality of sub-video files; Each sub-video file in a plurality of described sub-video files is encrypted to obtain a plurality of encrypted sub-video files; Perform splicing processing on a plurality of the encrypted sub-video files to obtain encrypted video files. 2. method according to claim 1, is characterized in that, described according to described video byte count, adopts binary tree algorithm to carry out segmentation processing to described original video file, obtains a plurality of sub-video files, including: Define the end number of the video byte number as the initial tree height value of the binary tree model, wherein, if the end number of the video byte number is 0, then determine that the initial tree height value is 10; If the initial tree height value is divided by 2 to obtain an integer, then the initial tree height value is added by 1 to obtain the current tree height value; Calculate the number of video segmentation nodes according to the current tree height value; According to a predetermined split ratio and the number of video split nodes, the original video file is split to obtain a plurality of the sub-video files. 3. method according to claim 2, is characterized in that, described according to predetermined division ratio and described video division node number, described original video file is divided to obtain a plurality of described sub-video files, comprising: According to the predetermined division ratio and the number of video division nodes, a plurality of the sub-video files obtained by dividing the original video file are respectively generated to generate the left sub-tree and the right sub-tree of the binary tree model, wherein the The number of sub-videos and the number of nodes at the bottommost level of the left subtree and the right subtree are the same. 4. method according to claim 3, is characterized in that, described carrying out encryption processing to each sub-video file in a plurality of described sub-video files respectively, obtains a plurality of encrypted sub-video files, comprising: Obtain the number of sub-video bytes and the number of sub-video file divisions in the left subtree; Calculate the first secret key parameter corresponding to the left subtree according to the number of bytes of the sub-video and the number of times of dividing the sub-video file; Multithreading encrypts each sub-video file in the left sub-tree by using the first secret key parameter to obtain an encrypted left sub-tree video file. 5. method according to claim 4, is characterized in that, described carrying out encryption processing to each sub-video file in a plurality of described sub-video files respectively, obtains a plurality of encrypted sub-video files, comprising: Obtain the sub-video bytes and sub-video file division times in the right subtree; Calculate the second key parameter corresponding to the right subtree according to the number of bytes of the sub-video and the number of times of dividing the sub-video file, wherein the second key parameter and the first key parameter same or different; Multithreading adopts the second secret key parameter to encrypt each sub-video file in the right sub-tree, and obtains an encrypted right sub-tree video file, wherein the encryption of the right sub-tree and the left sub-tree is performed. Algorithms are different. 6. method according to claim 1, is characterized in that, described carrying out splicing processing to a plurality of described encrypted sub-video files, obtains encrypted video files, comprising: Obtain the size in bytes of each of the encrypted sub-video files; Perform sorting processing on a plurality of the encrypted sub-video files according to the size of the number of bytes; Perform a splicing process on the sorted plurality of the encrypted sub-video files to obtain the encrypted video files. 7. The method according to claim 6, wherein the method further comprises: When decrypting the encrypted video files, traverse a plurality of the encrypted sub-video files according to the post-order traversal algorithm of the binary tree model to obtain the original arrangement order of the plurality of sub-video files; Using the encryption key parameter corresponding to each of the encrypted sub-video files, decrypt the encrypted sub-video files to obtain a plurality of decrypted sub-video files; Perform splicing processing on a plurality of the decrypted sub-video files according to the original arrangement order to obtain the original video file. 8. a video file encryption processing device, is characterized in that, comprises: an acquisition module for acquiring the original video file and the number of video bytes of the original video file; A segmentation module, used for performing segmentation processing on the original video file using a binary tree algorithm according to the number of bytes of the video to obtain a plurality of sub-video files; An encryption module, for performing encryption processing on each sub-video file in a plurality of described sub-video files, respectively, to obtain a plurality of encrypted sub-video files; The splicing module is configured to perform splicing processing on a plurality of the encrypted sub-video files to obtain encrypted video files. 9. A computer-readable storage medium, characterized in that the computer-readable storage medium stores a plurality of instructions, the instructions are adapted to be loaded and executed by a processor according to any one of claims 1 to 7 Video file encryption processing method. 10. An electronic device comprising a memory and a processor, wherein a computer program is stored in the memory, and the processor is configured to run the computer program to execute the computer program according to any one of claims 1 to 7. The video file encryption processing method described above.

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