WO2018049892A1 - Data transmission method and apparatus, and terminal - Google Patents

Abstract

Disclosed are a data transmission method and apparatus, and a terminal. The method comprises: a first terminal receiving a data transmission instruction for indicating target data transmission to a second terminal; the first terminal determining an importance value of the target data; where the importance value of the target data is greater than a pre-set threshold value, the first terminal using a key to encrypt the target data, and obtaining encrypted data; and the first terminal sending the encrypted data to the second terminal in response to the data transmission instruction. The implementation of the embodiments of the present invention can improve the security of data transmission.

Description

Data transmission method, device and terminal

The present invention claims priority to the priority of the application Serial No. 201610828089.X filed on Sep. 14, 2016, the disclosure of which is incorporated herein by reference. In this article.

Technical field

The present invention relates to the field of terminal technologies, and in particular, to a data transmission method, apparatus, and terminal.

Background technique

With the rapid development of terminals (such as smart phones, tablets, IPADs) and network technologies, more and more users often connect multiple terminals, transfer information to each other, and manage the data. For example, when the smartphone A establishes a connection with the smartphone B, the user can upload the data on the smartphone A to the smartphone B.

However, in practice, it is found that the user can directly perform data transmission after connecting the two terminals, which brings great convenience to the user, and also has certain data security risks. For example, if User B does not know User A, User B transmits the data of User A's Smartphone A to User B's Smartphone B, which may cause data leakage of Smartphone A.

Summary of the invention

The embodiment of the invention provides a data transmission method, device and terminal, which can improve the security of data transmission.

A first aspect of the embodiments of the present invention discloses a data transmission method, including:

Receiving, by the first terminal, a data transmission instruction for transmitting the target data to the second terminal;

Determining, by the first terminal, an importance level value of the target data;

In a case that the importance level value of the target data is greater than a preset threshold, the first terminal encrypts the target data by using a secret key to obtain encrypted data;

The first terminal transmits the encrypted data to the second terminal in response to the data transmission instruction.

A second aspect of the embodiments of the present invention discloses a data transmission apparatus, including:

a receiving unit, configured to receive a data transmission instruction for instructing to transmit the target data to the second terminal;

a first determining unit, configured to determine an importance level value of the target data;

An encryption unit, configured to encrypt the target data by using a secret key to obtain encrypted data, if the importance level value of the target data is greater than a preset threshold;

And a sending unit, configured to send the encrypted data to the second terminal in response to the data transmission instruction.

A third aspect of the embodiments of the present invention discloses a terminal, including a processor, a receiver, and wherein the processor is connected to the memory, where the memory stores program code, and the processor is configured to invoke the The program code stored in the memory performs some or all of the steps of any of the methods of the first aspect.

The embodiment of the present invention further provides a computer storage medium, wherein the computer storage medium stores a computer program for electronic data exchange, the computer program causing the computer to perform some or all of the steps of any of the methods described in the foregoing method embodiments. .

Embodiments of the present invention also provide a computer program product comprising a non-transitory computer readable storage medium storing a computer program, the computer program being operative to cause a computer to perform the operations as recited in the above method embodiments Part or all of the steps of either method. The computer program product can be a software installation package.

In the embodiment of the present invention, when the first terminal receives the data transmission instruction for instructing to transmit the target data to the second terminal, the first terminal may first determine the importance level value of the target data; If the value is greater than the preset threshold, the first terminal may further encrypt the target data by using the secret key to obtain the encrypted data. Finally, the first terminal sends the encrypted data to the second terminal in response to the data transmission instruction. It can be seen that, by using the embodiment of the present invention, before the first terminal sends the target data to the second terminal, the first terminal may first determine the importance level value of the target data, When the target data is important, the target data is encrypted and then sent to the second terminal, thereby avoiding leakage of important data and improving the security of data transmission.

DRAWINGS

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present invention. Other drawings may also be obtained from those of ordinary skill in the art in light of the inventive work.

1 is a schematic diagram of a network architecture of a data transmission system according to an embodiment of the present invention;

2 is a schematic flowchart of a data transmission method according to an embodiment of the present invention;

3 is a schematic flowchart of another data transmission method according to an embodiment of the present invention;

4 is a schematic structural diagram of a data transmission apparatus according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of another data transmission apparatus according to an embodiment of the present invention; FIG.

FIG. 6 is a schematic structural diagram of a terminal according to an embodiment of the present invention.

detailed description

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

The terms "first" and "second" and the like in the specification and claims of the present invention and the above drawings are used to distinguish different objects, and are not intended to describe a specific order. Furthermore, the terms "comprises" and "comprising" and "comprising" are intended to cover a non-exclusive inclusion. For example, a process, method, system, product, or device that comprises a series of steps or units is not limited to the listed steps or units, but optionally also includes steps or units not listed, or alternatively Other steps or units inherent to these processes, methods, products or equipment.

The embodiment of the invention discloses a data transmission method, device and terminal, which can improve the security of data transmission. The details are described below separately.

In order to better understand the embodiments of the present invention, a data transmission disclosed in the embodiment of the present invention is first described below. A schematic diagram of the network architecture of the transmission system is described.

Please refer to FIG. 1. FIG. 1 is a schematic diagram of a network architecture of a data transmission system according to an embodiment of the present invention. As shown in FIG. 1, the data transmission system includes a first terminal and a plurality of second terminals, where

The first terminal may include, but is not limited to, a smart phone, a notebook computer, a personal computer (PC), a personal digital assistant (PDA), a mobile internet device (MID), a smart wearable device (eg, Various types of user terminals such as smart watches and smart bracelets. The operating system of the user terminal may include, but is not limited to, an Android operating system, an IOS operating system, a Symbian operating system, a Blackberry operating system, a Windows Phone 8 operating system, and the like. limited.

The second terminal may include, but is not limited to, a smart phone, a notebook computer, a personal computer (PC), a personal digital assistant (PDA), a mobile internet device (MID), a smart wearable device (eg, Various types of user terminals such as smart watches and smart bracelets. The operating system of the user terminal may include, but is not limited to, an Android operating system, an IOS operating system, a Symbian operating system, a Blackberry operating system, a Windows Phone 8 operating system, and the like. limited.

In the data transmission system described in FIG. 1, after the first terminal receives the data transmission instruction for instructing transmission of the target data to the second terminal; the first terminal may first determine the importance level value of the target data; If the importance value is greater than the preset threshold, the first terminal may further encrypt the target data by using the secret key to obtain the encrypted data. Finally, the first terminal sends the encrypted data to the second terminal in response to the data transmission instruction. It can be seen that, by using the embodiment of the present invention, before the first terminal sends the target data to the second terminal, the first terminal may first determine the importance level value of the target data, and perform encryption processing on the target data when the target data is determined to be important. Then, it is sent to the second terminal, so that leakage of important data can be avoided, and the security of data transmission is improved.

It should be noted that the second terminal described above may be one or more second terminals shown in FIG. 1. In addition, those skilled in the art can understand that although only four second terminals are shown in FIG. 1, they do not constitute a limitation on the embodiments of the present invention, and may include more second terminals than illustrated.

Referring to FIG. 2, FIG. 2 is a schematic flowchart diagram of a data transmission method according to an embodiment of the present invention. As shown in FIG. 2, the method can include the following steps.

201. The first terminal receives a data transmission instruction for indicating that the target data is transmitted to the second terminal.

In the embodiment of the present invention, the first terminal stores multiple types of data, such as image data, text data, video data, voice data, and application data. Some data is the private data of the user of the first terminal, such as private photos, private backup records, etc. These private data are usually more important to the user, and some data is not so important to the user, such as the first terminal. Stored application data, etc.

In the embodiment of the present invention, a communication connection between the first terminal and the second terminal, such as a Bluetooth connection, a wired connection, a Near Field Communication (NFC) connection, and a communication connection between the first terminal and the second terminal, may be established in advance. Based on the establishment success, the first terminal may receive a data transmission instruction for indicating the transmission of the target data to the second terminal through the communication connection.

As an optional implementation manner, after step 201, the method further includes the following steps:

11) The first terminal acquires a device identifier of the second terminal;

12) The first terminal sends the device identifier of the second terminal to the third wearable device associated with the first terminal, to trigger the third wearable device to verify the second terminal.

13) In the case that the indication information sent by the third wearable device for indicating the identity of the second terminal is received, step 202 is performed.

In the optional implementation, after receiving the data transmission instruction for indicating that the target data is transmitted to the second terminal, the first terminal may first acquire the device identifier of the second terminal, and further, the first The terminal sends the device identifier of the second terminal to the third wearable device associated with the first terminal, and after the third wearable device receives the device identifier of the second terminal, the third wearable device can verify the device identifier and the preset of the second terminal. Whether the identifiers match, if they match, it is determined that the identity of the second terminal is legal. The third wearable device may be a device carried by the user, such as a smart watch, a smart bracelet, or the like. The user associates the first terminal with the third wearable device in advance. Even if the user does not carry the first terminal, the user can indicate whether the first terminal needs to perform the corresponding step by sending the information to the first terminal by using the third wearable device. Thereby, the first terminal can be indirectly controlled, and at the same time, the security of the data of the first terminal is also improved.

As an optional implementation manner, the first terminal may also send the device identifier of the second terminal to the server for identity verification. The server can be a dedicated network security server, and the security level of the terminal device is rated by big data, and some terminal devices can be determined according to the feedback information of the user. The "spam" sending device, the "scam information" sending device, the "data hacking" sending device, and the like. After obtaining the device identifier of the second terminal, the server confirms that the security level of the second terminal is high, and may send the indication information that the identity of the second terminal is legal to the first terminal.

202. The first terminal determines an importance value of the target data.

In the embodiment of the present invention, the manner in which the first terminal determines the importance level value of the target data may specifically include the following steps:

21) The first terminal acquires historical usage parameters of the target data in a preset time, and the historical usage parameters include one or more of the following: usage time, usage times, and usage frequency;

22) The first terminal performs weighting calculation on the historical usage parameters to obtain the importance value of the target data.

In this embodiment, the first terminal may acquire historical usage parameters of the target data of the first terminal in a preset time (such as one week before the current time, one month), such as usage time, usage times, and usage frequency, and further The first terminal performs weighted calculation on the historical usage parameters to obtain the importance value of the target data. The sum of the weighting parameters of each historical usage parameter is 1. The user can allocate weighting parameters of each historical usage parameter according to requirements, for example, the user can assign a weighting parameter of 40% to the usage time, and assign a weighting parameter to the usage frequency of 20. %, the weighting parameter for the use frequency allocation is 40%.

203. If the importance level value of the target data is greater than a preset threshold, the first terminal encrypts the target data by using a secret key to obtain the encrypted data.

In the embodiment of the present invention, after the first terminal determines the importance level value of the target data, the first terminal may first determine whether the importance level value of the target data is greater than a preset threshold, and if yes, indicating that the target data is important to the user, if No, it means that the target data is not so important to the user.

In the case that the importance value of the target data is greater than the preset threshold, in order to prevent leakage of the target data, the first terminal may encrypt the target data using the secret key to obtain the encrypted data.

In the case where the importance value of the target data is not greater than the preset threshold, the first terminal may not perform any processing on the target data.

As an optional implementation manner, if the importance value of the target data is greater than a preset threshold, the method further includes the following steps:

31) The first terminal acquires a remaining storage space of the second terminal.

32) In the case that it is determined that the storage space occupied by the target data is larger than the remaining storage space, the first terminal The target data is compressed so that the compressed target data occupies less storage space than the remaining storage space.

The first terminal encrypts the target data by using the secret key, and the manner of obtaining the encrypted data may be specifically:

The first terminal encrypts the compressed target data by using a secret key to obtain encrypted data.

In the optional implementation manner, if the first terminal determines that the importance level value of the target data is greater than the preset threshold, the first terminal may first acquire the remaining storage space of the second terminal, and determine whether the storage space occupied by the target data is If the data is larger than the remaining storage space, the first terminal may perform compression processing on the target data, so that the storage space occupied by the compressed target data is smaller than the remaining storage space, so that the data transmission failure can be avoided after the processing, and then the first terminal can The compressed target data is encrypted using a secret key to obtain encrypted data. If the storage space occupied by the target data is not greater than the remaining storage space, the first terminal may directly encrypt the target data by using the secret key to obtain the encrypted data.

204. The first terminal sends the encrypted data to the second terminal in response to the data transmission instruction.

In the method embodiment described in FIG. 2, in a case where the first terminal receives the data transmission instruction for instructing to transmit the target data to the second terminal, the first terminal may first determine the importance level value of the target data; If the importance value of the target data is greater than the preset threshold, the first terminal may further encrypt the target data by using the secret key to obtain the encrypted data. Finally, the first terminal sends the encrypted data to the second terminal to respond to the data. Transfer instructions. It can be seen that, by using the embodiment of the present invention, before the first terminal sends the target data to the second terminal, the first terminal may first determine the importance level value of the target data, and perform encryption processing on the target data when the target data is determined to be important. Then, it is sent to the second terminal, so that leakage of important data can be avoided, and the security of data transmission is improved.

Referring to FIG. 3, FIG. 3 is a schematic flowchart diagram of another data transmission method according to an embodiment of the present invention. As shown in FIG. 3, the method can include the following steps.

301. The first terminal receives a data transmission instruction for indicating that the target data is transmitted to the second terminal.

302. The first terminal determines an importance value of the target data.

303. If the importance level value of the target data is greater than a preset threshold, the first terminal determines a storage space occupied by the target data.

304. In a case where the storage space occupied by the target data is greater than a preset space threshold, the first terminal The target data is split into the first data and the second data.

In the embodiment of the present invention, after the first terminal determines the storage space occupied by the target data, the first terminal may first determine whether the storage space occupied by the target data is greater than a preset space threshold, and if yes, indicating that the storage space occupied by the target data is too Large, usually the larger the storage space occupied by data, the higher the transmission bandwidth requirement for the data transmission, and the longer the transmission time. In order to reduce the transmission bandwidth of the data transmission between the terminals and reduce the transmission time, the first terminal may split the target data into the first data and the second data, wherein the first terminal may divide the target data into the first according to the storage space. The data and the second data, or the first terminal may arbitrarily split the target data into the first data and the second data, which are not limited in the embodiment of the present invention.

305. The first terminal encrypts the first data and the second data by using a secret key to obtain the first encrypted data and the second encrypted data.

Specifically, the first terminal encrypts the first data and the second data by using a secret key, and the manner of obtaining the first encrypted data and the second encrypted data may be:

The first terminal encrypts the first data and the second data respectively by using the first key to obtain the first encrypted data and the second encrypted data; or

The first terminal encrypts the first data by using the second key to obtain the first encrypted data, and the first terminal encrypts the second data by using the third key to obtain the second encrypted data.

In this embodiment, the first terminal may encrypt the first data and the second data by using the same key (ie, the first key) to obtain the first encrypted data and the second encrypted data, or the first terminal. Different keys may be used, that is, the first data is encrypted using the second key, the first encrypted data is obtained, and the second data is encrypted using the third key to obtain the second encrypted data.

As an optional implementation manner, the method further includes:

The first terminal sends a key acquisition instruction to the first wearable device associated with the first terminal, and receives the second key and the third key sent by the first wearable device; or

The first terminal sends a key acquisition instruction to the first wearable device and the second wearable device associated with the first terminal, receives the second key sent by the first wearable device, and receives the third key sent by the second wearable device. .

In this implementation manner, the first terminal may obtain the second key and the third key in two ways. The first type: the first terminal is the same wearable device (that is, the first wearable device associated with the first terminal). )hair Sending a key acquisition instruction to obtain a second key and a third key; secondly, the first terminal sends a key acquisition instruction to different wearable devices (ie, the first wearable device, the second wearable device) to obtain The second key and the third key.

As an optional implementation manner, after transmitting the encrypted data to the second terminal, the first terminal may instruct the first wearable device and the second wearable device to transmit the key to the second terminal, so that the second terminal The data can be decrypted to obtain the target data.

306. The first terminal sends the first encrypted data and the second encrypted data to the second terminal twice.

In the embodiment of the present invention, after the first terminal obtains the first encrypted data and the second encrypted data, the first terminal may send the first encrypted data and the second encrypted data to the second terminal twice. The first terminal may send the first encrypted data and then send the second encrypted data, or the first terminal may send the second encrypted data and then send the first encrypted data, which is not limited in the embodiment of the present invention.

In the method flow described in FIG. 3, the first terminal receives a data transmission instruction for indicating that the target data is transmitted to the second terminal, and determines an importance degree value of the target data, where the storage space occupied by the target data is greater than the preset space. In the case of the threshold, the first terminal splits the target data into the first data and the second data, and the first terminal encrypts the first data and the second data respectively by using the secret key to obtain the first encrypted data and the second encrypted data. The first terminal sends the first encrypted data and the second encrypted data to the second terminal twice. It can be seen that, by using the embodiment of the present invention, not only the security of data transmission between the first terminal and the second terminal can be improved, but also the transmission bandwidth of the first terminal and the second terminal during data transmission can be reduced, and the transmission is reduced. time.

Referring to FIG. 4, FIG. 4 is a schematic structural diagram of a data transmission apparatus according to an embodiment of the present invention, where the data transmission apparatus may be used to perform some or all of the steps of the data transmission method described in FIG. 2 to FIG. For details, please refer to the descriptions of FIG. 2 to FIG. 3 , and details are not described herein again. As shown in FIG. 4, the data transmission device 400 can include:

The receiving unit 401 is configured to receive a data transmission instruction for instructing to transmit the target data to the second terminal;

a first determining unit 402, configured to determine an importance level value of the target data;

The encryption unit 403 is configured to encrypt the target data by using a secret key to obtain encrypted data if the importance level value of the target data is greater than a preset threshold.

The sending unit 404 is configured to send the encrypted data to the second terminal in response to the data transmission instruction.

The embodiment of the present invention may divide the functional unit into the user terminal according to the foregoing method example. For example, each functional unit may be divided according to each function, or two or more functions may be integrated into one processing unit. The above integrated unit can be implemented in the form of hardware or in the form of a software functional unit. For example, the receiving unit 401, the first determining unit 402, and the encrypting unit 403 may be integrated into a central processing unit (CPU); and the sending unit 404 may be a radio frequency module or a WiFi module. It should be noted that the division of the unit in the embodiment of the present invention is schematic, and is only a logical function division, and the actual implementation may have another division manner.

Referring to FIG. 5, FIG. 5 is a schematic structural diagram of another data transmission apparatus according to an embodiment of the present invention, where the data transmission apparatus may be used to perform some or all of the steps of the data transmission method described in FIG. 2 to FIG. For details, please refer to the descriptions of FIG. 2 to FIG. 3, and details are not described herein again. The data transmission device shown in FIG. 5 is further optimized based on the data transmission device shown in FIG. 4. Compared with the data transmission device shown in FIG. 4, the data transmission device shown in FIG. 5 includes In addition to all the units of the data transmission device shown in FIG. 4, the method may further include:

a second determining unit 405, configured to determine a storage space occupied by the target data;

The splitting unit 406 is configured to split the target data into the first data and the second data if the storage space occupied by the target data is greater than a preset space threshold;

The encryption unit 403 is specifically configured to encrypt the first data and the second data by using a secret key to obtain first encrypted data and second encrypted data.

The manner in which the sending unit 404 sends the encrypted data to the second terminal is specifically:

The first encrypted data and the second encrypted data are sent to the second terminal twice.

Optionally, the encryption unit 403 encrypts the first data and the second data by using a secret key, and the manner of obtaining the first encrypted data and the second encrypted data is specifically:

Separating the first data and the second data by using a first key to obtain first encrypted data and second encrypted data; or

The first data is encrypted using a second key to obtain first encrypted data, and the first terminal encrypts the second data using a third key to obtain second encrypted data.

Optionally, the sending unit 404 is further configured to send a key acquisition instruction to the first wearable device that is associated with the first terminal, where the receiving unit is further configured to receive the location sent by the first wearable device. Describe the second key and the third key; or,

The sending unit 404 is further configured to send a key acquisition instruction to the first wearable device and the second wearable device that are associated with the first terminal, where the receiving unit is further configured to receive the first wearable device to send The second key, and the third key sent by the second wearable device.

Optionally, the data transmission device 400 shown in FIG. 5 may further include:

The obtaining unit 407 is configured to acquire, after the receiving unit 401 receives a data transmission instruction for transmitting target data to the second terminal, acquiring a device identifier of the second terminal;

The sending unit 404 is further configured to send the device identifier of the second terminal to the third wearable device that is associated with the first terminal, to trigger the third wearable device to perform verification on the second terminal.

The first determining unit 402 is specifically configured to: when the receiving unit 401 receives the indication information that is sent by the third wearable device to indicate that the second terminal is legal, the target data is determined. The importance value.

As an optional implementation manner, the data transmission device 400 may further include:

An identifier obtaining unit, configured to acquire a device identifier of the second terminal;

An identifier sending unit, configured to send the device identifier of the second terminal to the server, to trigger the server to verify the second terminal;

An execution unit, configured to: when receiving, by the server, indication information indicating that the identity of the second terminal is legal, the first terminal performing, determining, by the first terminal, the importance of the target data The step of the value.

a storage space obtaining unit, configured to acquire a remaining storage space of the second terminal;

a data compression unit, configured to perform compression processing on the target data when the storage space occupied by the target data is larger than the remaining storage space, so that the storage space occupied by the compressed target data is smaller than the remaining storage;

The encryption unit 403 is specifically configured to encrypt the compressed target data.

In the embodiment of the present invention, the splitting unit 406, the obtaining unit 407, the executing unit, and the data compressing unit may also be integrated into the processor, and the identifier acquiring unit, the identifier sending unit, and the storage space are obtained. The unit can be a radio frequency chip or a WiFi module.

In the data transmission device 400 described in FIG. 4 to FIG. 5, before the first terminal transmits the target data to the second terminal, the first terminal may first determine the importance level value of the target data, in the case where it is determined that the target data is important. The target data is encrypted and then sent to the second terminal, thereby avoiding leakage of important data and improving the security of data transmission.

Referring to FIG. 6, FIG. 6 is a schematic structural diagram of a terminal according to an embodiment of the present invention, where the terminal may be used to perform some or all of the steps of the data transmission method described in FIG. 2 to FIG. 2 to 3, the description will not be repeated here. The terminal 600 shown in FIG. 6 may include: at least one processor 601, a memory 602, a transceiver 603, and an antenna 604. The transceiver 603 may include a receiver 6031 and a transmitter 6032 for receiving, respectively. Signal and send signal. The memory 602 is for storing instructions, the processor 601 is for executing instructions stored by the memory 602, and controls the transmitter 6032 to transmit signals. The processor 601, the memory 602, and the transceiver 603 can be implemented by one or more chips. For example, the processor 601, the memory 602, and the transceiver 603 may be fully integrated in one or more chips, or the processor 601 and the transceiver 603 may be integrated in one chip and the memory 602 integrated in another chip, specifically The form is not limited here. among them,

The memory 602 may be a high speed RAM memory or a non-volatile memory. It will be understood by those skilled in the art that the structure of the terminal 600 shown in FIG. 6 does not constitute a limitation of the present invention, and it may be a bus-shaped structure or a star-shaped structure, and may further include more than that shown in FIG. 6. More or less parts, or some parts, or different parts. For example, it may also include a radio frequency (RF) circuit, a display unit, a sensor, an audio circuit, a wireless fidelity (WiFi) module, and a power supply.

The processor 601 is a control center of the terminal 600, and may be a central processing unit (CPU). The processor 601 connects various parts of the entire terminal 600 by using various interfaces and lines, and is stored in the memory 602 by running or executing. Software programs and/or modules within, as well as calling program code stored in memory 602 for performing the following operations:

Receiving, by the receiver 6031, a data transmission instruction for instructing transmission of the target data to the second terminal;

Determining an importance value of the target data;

And in a case that the importance degree value of the target data is greater than a preset threshold, encrypting the target data by using a secret key to obtain encrypted data;

The encrypted data is transmitted to the second terminal by the transmitter 6032 in response to the data transfer instruction.

As an optional implementation manner, in a case where the importance level value of the target data is greater than a preset threshold, the processor 601 may further invoke program code stored in the memory 602 for performing the following operations:

Determining a storage space occupied by the target data;

Dissolving the target data into the first data and the second data if the storage space occupied by the target data is greater than a preset space threshold;

The processor 601 encrypts the target data by using a secret key, and obtaining the encrypted data includes:

Separating the first data and the second data by using a secret key to obtain first encrypted data and second encrypted data;

The sending, by the processor 601, the encrypted data to the second terminal by using the transmitter 6032 includes:

The processor 601 sends the first encrypted data and the second encrypted data to the second terminal twice by the transmitter 6032.

As an optional implementation manner, the processor 601 encrypts the first data and the second data by using a secret key, and obtaining the first encrypted data and the second encrypted data includes:

The processor 601 encrypts the first data and the second data respectively by using a first key to obtain first encrypted data and second encrypted data; or

The processor 601 encrypts the first data by using a second key to obtain first encrypted data, and the first terminal encrypts the second data by using a third key to obtain second encrypted data. .

As an optional implementation manner, the processor 601 may also call program code stored in the memory 602 for performing the following operations:

The processor 601 sends a key acquisition instruction to the first wearable device associated with the first terminal by using the transmitter 6032, and receives the identifier sent by the first wearable device by the receiver 6031. a second key and the third key; or,

The processor 601 sends a key acquisition instruction to the first wearable device and the second wearable device associated with the first terminal by the transmitter 6032, and receives the first message sent by the first wearable device by the receiver 6031. And acquiring, by the receiver 6031, the third key sent by the second wearable device.

As an optional implementation manner, after the processor 601 receives the data transmission instruction for indicating the transmission of the target data to the second terminal by the receiver 6031, the processor 601 may also be stored and stored in the memory 602. Program code for doing the following:

The processor 601 acquires a device identifier of the second terminal;

The processor 601 sends the device identifier of the second terminal to the third wearable device associated with the first terminal by using the transmitter 6032 to trigger the third wearable device to perform verification on the second terminal.

In a case where the receiver 6031 receives the indication information sent by the third wearable device for indicating the identity of the second terminal, the processor 601 performs the first terminal to determine the importance of the target data. The step of the degree value.

As an optional implementation manner, the determining, by the processor 601, the importance value of the target data includes:

The processor 601 acquires historical usage parameters of the target data in a preset time, and the historical usage parameters include one or more of the following: usage time, usage times, and usage frequency;

The processor 601 performs weighting calculation on the historical usage parameter to obtain an importance degree value of the target data.

In the terminal 600 described in FIG. 6, before the first terminal sends the target data to the second terminal, the first terminal may first determine the importance level value of the target data, and if the target data is determined to be important, perform the target data. After the encryption process is sent to the second terminal, the leakage of important data can be avoided, and the security of data transmission is improved.

The embodiment of the present invention further provides a computer storage medium, wherein the computer storage medium stores a computer program for electronic data exchange, the computer program causing the computer to perform some or all of the steps of any of the methods described in the foregoing method embodiments. The computer includes a terminal.

Embodiments of the present invention also provide a computer program product, the computer program product including storage A non-transitory computer readable storage medium for a computer program operative to cause a computer to perform some or all of the steps of any of the methods described in the above method embodiments. The computer program product can be a software installation package, the computer including a terminal.

It should be noted that, for the foregoing method embodiments, for the sake of simple description, they are all expressed as a series of action combinations, but those skilled in the art should understand that the present invention is not limited by the described action sequence. Because certain steps may be performed in other sequences or concurrently in accordance with the present invention. In addition, those skilled in the art should also understand that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the present invention.

In the above embodiments, the descriptions of the various embodiments are different, and the details that are not detailed in a certain embodiment can be referred to the related descriptions of other embodiments.

In the several embodiments provided herein, it should be understood that the disclosed apparatus may be implemented in other ways. For example, the device embodiments described above are merely illustrative. For example, the division of the unit is only a logical function division. In actual implementation, there may be another division manner, for example, multiple units or components may be combined or may be Integrate into another system, or some features can be ignored or not executed. In addition, the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be electrical or otherwise.

The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the 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 separately, or two or more units may be integrated into one unit. The above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.

The integrated unit, if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable memory. Based on such understanding, the technical solution of the present invention may contribute to the prior art or all or part of the technical solution may be embodied in the form of a software product stored in a memory. A number of instructions are included to cause a computer device (which may be a personal computer, server or network device, etc.) to perform all or part of the steps of the methods of the various embodiments of the present invention. The foregoing memory includes: a U disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic disk, or an optical disk, and the like, which can store program codes.

A person skilled in the art can understand that all or part of the steps of the foregoing embodiments can be completed by a program to instruct related hardware, and the program can be stored in a computer readable memory, and the memory can include: a flash drive , read-only memory (English: Read-Only Memory, referred to as: ROM), random accessor (English: Random Access Memory, referred to as: RAM), disk or CD.

The embodiments of the present invention have been described in detail above, and the principles and implementations of the present invention are described in detail herein. The description of the above embodiments is only for helping to understand the method of the present invention and its core ideas; The present invention is not limited by the scope of the present invention, and the present invention is not limited by the scope of the present invention.

Claims (20)

A data transmission method, comprising: Receiving, by the first terminal, a data transmission instruction for transmitting the target data to the second terminal; Determining, by the first terminal, an importance level value of the target data; In a case that the importance level value of the target data is greater than a preset threshold, the first terminal encrypts the target data by using a secret key to obtain encrypted data; The first terminal transmits the encrypted data to the second terminal in response to the data transmission instruction. The method according to claim 1, wherein in the case that the importance level value of the target data is greater than a preset threshold, the method further includes: Determining, by the first terminal, a storage space occupied by the target data; The first terminal splits the target data into the first data and the second data, where the storage space occupied by the target data is greater than a preset space threshold; The first terminal encrypts the target data by using a secret key, and obtaining the encrypted data includes: The first terminal encrypts the first data and the second data by using a secret key to obtain first encrypted data and second encrypted data; The sending, by the first terminal, the encrypted data to the second terminal includes: The first terminal sends the first encrypted data and the second encrypted data to the second terminal twice. The method according to claim 2, wherein the first terminal encrypts the first data and the second data respectively by using a secret key, and obtaining the first encrypted data and the second encrypted data comprises: The first terminal encrypts the first data and the second data by using a first key to obtain first encrypted data and second encrypted data; or The first terminal encrypts the first data by using a second key to obtain first encrypted data, and the first terminal encrypts the second data by using a third key to obtain a second encryption. data. The method of claim 3, wherein the method further comprises: The first terminal sends a key acquisition instruction to the first wearable device associated with the first terminal, and receives the second key and the third key sent by the first wearable device; or The first terminal sends a key acquisition instruction to the first wearable device and the second wearable device associated with the first terminal, receives the second key sent by the first wearable device, and receives the The third key sent by the second wearable device. The method according to any one of claims 1 to 4, wherein after the first terminal receives a data transmission instruction for instructing to transmit the target data to the second terminal, the method further includes: Obtaining, by the first terminal, a device identifier of the second terminal; Sending, by the first terminal, the device identifier of the second terminal to the third wearable device associated with the first terminal, to trigger the third wearable device to perform verification on the second terminal; Receiving, by the third wearable device, indication information indicating that the identity of the second terminal is legal, the first terminal performing, by the first terminal, determining an importance degree value of the target data. step. The method according to any one of claims 1 to 4, wherein the determining, by the first terminal, the importance value of the target data comprises: The first terminal acquires historical usage parameters of the target data in a preset time, and the historical usage parameters include one or more of the following: usage time, usage times, and usage frequency; The first terminal performs weighting calculation on the historical usage parameter to obtain an importance degree value of the target data. The method according to any one of claims 1 to 4, wherein after the first terminal receives a data transmission instruction for instructing to transmit the target data to the second terminal, the method further includes: Obtaining, by the first terminal, a device identifier of the second terminal; Sending, by the first terminal, the device identifier of the second terminal to the server, to trigger the server to perform verification on the second terminal; And in the case that the indication information sent by the server for indicating the identity of the second terminal is legal, the first terminal performs the step of determining, by the first terminal, the importance level value of the target data. The method of claim 1 further comprising: Obtaining a remaining storage space of the second terminal; If the storage space occupied by the target data is larger than the remaining storage space, compress the target data, so that the storage space occupied by the compressed target data is smaller than the remaining storage space; The first terminal encrypts the target data by using a secret key, including: The compressed target data is encrypted. The method of claim 4, wherein the method further comprises: Instructing the first wearable device to send the second key and the third key to the second terminal for data decoding; or Instructing the first wearable device to send the second key to the second terminal for data decoding, and instructing the second wearable device to send the third key to the second terminal for performing Data decoding. A data transmission device, comprising: a receiving unit, configured to receive a data transmission instruction for instructing to transmit the target data to the second terminal; a first determining unit, configured to determine an importance level value of the target data; An encryption unit, configured to encrypt the target data by using a secret key to obtain encrypted data, if the importance level value of the target data is greater than a preset threshold; And a sending unit, configured to send the encrypted data to the second terminal in response to the data transmission instruction. The device according to claim 10, wherein, in the case that the importance level value of the target data is greater than a preset threshold, the device further comprises: a second determining unit, configured to determine a storage space occupied by the target data; a splitting unit, configured to split the target data into the first data and the second data if a storage space occupied by the target data is greater than a preset space threshold; The encryption unit is specifically configured to encrypt the first data and the second data by using a secret key to obtain first encrypted data and second encrypted data; The manner in which the sending unit sends the encrypted data to the second terminal is specifically: The first encrypted data and the second encrypted data are sent to the second terminal twice. The device according to claim 11, wherein the encryption unit encrypts the first data and the second data by using a secret key, and the manner of obtaining the first encrypted data and the second encrypted data is specifically : Separating the first data and the second data by using a first key to obtain first encrypted data and second encrypted data; or The first data is encrypted using a second key to obtain first encrypted data, and the first terminal encrypts the second data using a third key to obtain second encrypted data. The device according to claim 12, wherein the sending unit is further configured to send a key acquisition instruction to the first wearable device associated with the first terminal, where the receiving unit is further configured to receive the The second key and the third key sent by a wearable device; or The sending unit is further configured to send a key acquisition instruction to the first wearable device and the second wearable device that are associated with the first terminal, where the receiving unit is further configured to receive the a second key, and receiving the third key sent by the second wearable device. The device according to any one of claims 10 to 13, wherein the device further comprises: An acquiring unit, configured to acquire a device identifier of the second terminal after the receiving unit receives a data transmission instruction for indicating that the target data is transmitted to the second terminal; The sending unit is further configured to send the device identifier of the second terminal to the third wearable device that is associated with the first terminal, to trigger the third wearable device to perform verification on the second terminal; The first determining unit is specifically configured to receive, by the receiving unit, the third wearable device In the case of the indication information indicating that the identity of the second terminal is legal, the importance level value of the target data is determined. The device according to any one of claims 10 to 13, wherein the manner in which the first determining unit determines the importance level value of the target data is specifically: Obtaining historical usage parameters of the target data in a preset time, the historical usage parameters including one or more of the following: usage time, usage times, and usage frequency; The historical usage parameter is weighted to obtain an importance value of the target data. The device according to any one of claims 10 to 13, wherein the device further comprises: An identifier obtaining unit, configured to acquire a device identifier of the second terminal; An identifier sending unit, configured to send the device identifier of the second terminal to the server, to trigger the server to verify the second terminal; An execution unit, configured to: when receiving, by the server, indication information indicating that the identity of the second terminal is legal, the first terminal performing, determining, by the first terminal, the importance of the target data The step of the value. The device according to claim 10, wherein the device further comprises: a storage space obtaining unit, configured to acquire a remaining storage space of the second terminal; a data compression unit, configured to perform compression processing on the target data when the storage space occupied by the target data is larger than the remaining storage space, so that the storage space occupied by the compressed target data is smaller than the remaining storage; The encryption unit is specifically configured to encrypt the compressed target data. A terminal, comprising: a processor and a memory, wherein the processor is connected to the memory, wherein the memory stores program code, and the processor is configured to invoke program code stored in the memory, The method of any one of claims 1 to 9. A computer readable storage medium storing a computer program for electronic data exchange, wherein the computer program causes a computer to perform the method of any one of claims 1 to 9. A computer program product, comprising: a non-transitory computer readable storage medium storing a computer program, the computer program being operative to cause a computer to perform the method of any one of claims 1-9 The method described.

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