CN103701978A - Terminal and automatic multimedia file encryption method - Google Patents
Terminal and automatic multimedia file encryption method Download PDFInfo
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- CN103701978A CN103701978A CN201210365178.7A CN201210365178A CN103701978A CN 103701978 A CN103701978 A CN 103701978A CN 201210365178 A CN201210365178 A CN 201210365178A CN 103701978 A CN103701978 A CN 103701978A
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Abstract
The invention discloses a terminal and an automatic multimedia file encryption method, and relates to the field of intelligent terminals. The terminal comprises security application and a camera. The method comprises the following steps: the security application monitors the work service process of the camera real time; the lens activates the work service process of the camera, responds to the hardware interface calling request of the lens, and starts the shooting function to generate a multimedia file; the security application monitors that the work service process of the camera is activated, and the lens starts the shooting function to generate the multimedia file and encrypts the generated multimedia file; the lens stores the encrypted multimedia file to a hardware medium. Through the scheme, dynamic real-time encryption protection of the multimedia file can be realized automatically without manual intervention of a user; the operation is simpler and quick; the situation of forgetting encryption is avoided; the problem of privacy loss caused by forgetting encryption can be avoided effectively.
Description
Technical field
The present invention relates to intelligent terminal field, particularly a kind of terminal that can automatically encrypt and the automatic encryption method of multimedia file thereof.
Background technology
Fast development along with terminal technology and development of Mobile Internet technology, the popularity rate of smart mobile phone is more and more higher, application software on smart mobile phone of all kinds arises, wherein by enabling mobile phone camera, take pictures, the application software of the function such as video recording is quite popular with users, but the file generating of taking pictures, record a video belongs to privacy of user, once mobile phone is lost or is stolen, the risk that just has privacy to reveal.
At present for the privacy of user file in the terminals such as mobile phone; the measure of mostly manually encrypting based on user ensures the safety of privacy of user file; its process mainly comprises: the functions such as first user takes pictures by enabling mobile phone camera, video recording generate the privacy files such as photo, video recording on mobile phone; if user wants this document to be encrypted; user finds this privacy file according to the path of preserving on the hardware medium of mobile phone; then input Crypted password this privacy file is encrypted, thus the safety of protection privacy file.
The scheme of above-mentioned protection privacy of user file; the privacy file that need to encrypt for each; all need user search privacy file and manually input password, ciphering process needs user manually to intervene on the one hand, operates more loaded down with trivial details; while particularly needing the file encrypted many; can take many time of user, on the other hand, once user forgets encryption; mobile phone is lost or is stolen, the risk that just exists privacy to reveal.
Summary of the invention
An embodiment of the present invention technical problem to be solved is: provide a kind of terminal and multimedia file thereof automatic encryption method, and loaded down with trivial details and due to the problem of forgetting that privacy that encryption is caused is revealed to solve cryptographic operation that prior art exists.
According to the embodiment of the present invention aspect, a kind of automatic encryption method of multimedia file of terminal is provided, described terminal comprises safety applications and camera, described method comprises: described safety applications Real-Time Monitoring camera work service process; Described camera activates camera work service process, in response to camera hardware interface call request, enables shoot function and generates multimedia file; Described safety applications monitors camera work service process and is activated, and described camera enables shoot function and generate multimedia file, and the multimedia file generating is encrypted to operation; Described camera is stored in hardware medium by the multimedia file of encryption.
According to a kind of illustrative embodiments, described safety applications is encrypted operation to the multimedia file generating and comprises: described safety applications reads from configuration file the password that user sets in advance, and according to this password, the multimedia file generating is encrypted to operation.
According to a kind of illustrative embodiments, described camera is enabled shoot function generation multimedia file and is comprised: described camera calls camera hardware interface, enables shoot function and generates multimedia file.
According to a kind of illustrative embodiments, before described camera is enabled shoot function generation multimedia file, also comprise: described camera is enabled preview function.
According to a kind of illustrative embodiments, described method also comprises: when described safety applications does not monitor camera work service process and is activated, do not carry out any operation.
According to a kind of illustrative embodiments, described shoot function comprises camera function and recording function; Described multimedia file comprises image file and video file.
According to a kind of illustrative embodiments, described terminal is for supporting to take pictures and/or the terminal of recording function.
Another aspect according to the embodiment of the present invention, provides a kind of terminal, and described terminal comprises safety applications and camera;
Described safety applications, for Real-Time Monitoring camera work service process, monitors camera work service process and is activated, and described camera enables shoot function and generate multimedia file, and the multimedia file generating is encrypted to operation;
Described camera, for activating camera work service process, in response to camera hardware interface call request, enables shoot function and generates multimedia file, and the multimedia file that described safety applications is encrypted is stored in hardware medium.
According to a kind of illustrative embodiments, described safety applications, when the multimedia file generating is encrypted to operation, specifically for read the password that user sets in advance from configuration file, is encrypted operation according to this password to the multimedia file generating.
According to a kind of illustrative embodiments, described camera, when enabling shoot function generation multimedia file, specifically for calling camera hardware interface, is enabled shoot function and is generated multimedia file.
According to a kind of illustrative embodiments, described camera is before enabling shoot function generation multimedia file, also for enabling preview function.
According to a kind of illustrative embodiments, described safety applications, also, for when not monitoring camera work service process and be activated, does not carry out any operation.
According to a kind of illustrative embodiments, described shoot function comprises camera function and recording function; Described multimedia file comprises image file and video file.
According to a kind of illustrative embodiments, described terminal is for supporting to take pictures and/or the terminal of recording function.
Based on terminal provided by the invention and the automatic encryption method of multimedia file thereof, by the safety applications Real-Time Monitoring camera course of work, when monitoring camera work service process, be activated, and camera is enabled after shoot function, the multimedia file that camera is generated is encrypted operation, and then the multimedia file after encrypting is stored in to hardware medium, take pictures and video process in can automatically realize the dynamic real-time encrypted protection to multimedia file, need not user manually intervene, operate fairly simple, fast, and there is not the situation of forgetting encryption, can effectively avoid the privacy leakage problem causing thus.
By the detailed description to exemplary embodiment of the present invention referring to accompanying drawing, it is clear that further feature of the present invention and advantage thereof will become.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 illustrates according to the flow process illustrative diagram of the automatic encryption method of multimedia file of the terminal of a kind of exemplary embodiment of the present invention.
Fig. 2 illustrates the flow process illustrative diagram of the automatic encryption method of multimedia file of terminal according to another exemplary embodiment of the present invention.
Fig. 3 illustrates according to the flow process illustrative diagram of the automatic encryption method of picture of the terminal of another exemplary embodiment of the present invention.
Fig. 4 illustrates according to the flow process illustrative diagram of the automatic encryption method of video of the terminal of another exemplary embodiment of the present invention.
Fig. 5 illustrates the structural representation journey figure according to the terminal of a kind of exemplary embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.To the description only actually of at least one exemplary embodiment, be illustrative below, never as any restriction to the present invention and application or use.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Unless illustrate in addition, otherwise the parts of setting forth in these embodiments and positioned opposite, numeral expression formula and the numerical value of step not limited the scope of the invention.
, it should be understood that for convenience of description, the size of the various piece shown in accompanying drawing is not to draw according to actual proportionate relationship meanwhile.
For the known technology of person of ordinary skill in the relevant, method and apparatus, may not discuss in detail, but in suitable situation, described technology, method and apparatus should be regarded as authorizing a part for specification.
In all examples with discussing shown here, it is exemplary that any occurrence should be construed as merely, rather than as restriction.Therefore, other example of exemplary embodiment can have different values.
It should be noted that: in similar label and letter accompanying drawing below, represent similar terms, therefore, once be defined in an a certain Xiang Yi accompanying drawing, in accompanying drawing subsequently, do not need it to be further discussed.
Fig. 1 illustrates according to the flow process illustrative diagram of the automatic encryption method of multimedia file of the terminal of a kind of exemplary embodiment of the present invention.Wherein, this terminal, for supporting to take pictures and/or the terminal of recording function, such as being smart mobile phone, panel computer etc., but is not limited to this.This terminal can comprise safety applications and make a video recording first-classly, but be not limited to this and multimedia, generate application, the method for this embodiment comprises the following steps:
Step S102, safety applications Real-Time Monitoring camera work service process.Wherein, camera work service process be such as can be ICameraService process etc., but is not limited to this.ICameraService is a common process in capture apparatus, for example, Android(Android) just there is this process in smart mobile phone.
Step S104, camera activates camera work service process, in response to camera hardware interface call request, enables shoot function and generates multimedia file.Wherein, shoot function can comprise camera function and recording function etc., and multimedia file can comprise image file and video file etc., but is not limited to this.
As a kind of exemplary execution mode, the call request that camera can send in response to camera application, activates camera work service process.Camera can also further return and activate response message to camera application.Camera application can, after receiving the activation response message that camera returns, send camera hardware interface call request.Wherein, camera application be such as can be take pictures application or video recording application etc., but is not limited to this.
As a kind of exemplary execution mode, camera calls camera hardware interface, enables shoot function and generates multimedia file.
As a kind of exemplary execution mode, before camera is enabled shoot function generation multimedia file, camera can also be enabled preview function, waits for that camera application sends instruction, to facilitate user to adjust for the visual angle of taking pictures or recording a video or other parameters etc.
Step S106, safety applications monitors camera work service process and is activated, and camera enables shoot function and generate multimedia file, and the multimedia file generating is encrypted to operation;
As a kind of exemplary execution mode, safety applications can adopt following method to be encrypted operation to the multimedia file generating, be that safety applications reads from configuration file the password that user sets in advance, according to this password, the multimedia file generating be encrypted to operation.User only need arrange a password and just can all multimedia files be encrypted, and has saved a lot of operations of user, and ciphering process is fairly simple, quick.In addition, user can also arrange according to different file types different passwords, for example, the password of picture file is set to AAA, and the password of video file is set to BBB etc., and safety applications first detects the type of multimedia file before encryption, according to the type of multimedia file, obtain corresponding password, according to this password, the multimedia file generating is encrypted to operation, thereby realize, according to different file types, automatically encrypts, user experiences better.It will be understood by those skilled in the art that known various cryptographic algorithm is all applicable to the present embodiment, the present embodiment does not limit concrete cryptographic algorithm.
As a kind of exemplary execution mode, safety applications, when not monitoring camera work service process and be activated, can also not carried out any operation.
Step 108, camera is stored in hardware medium by the multimedia file of encryption.Wherein, hardware medium can be hard disk, storage card of terminal etc., but is not limited to this.
Above-described embodiment; by the safety applications Real-Time Monitoring camera course of work; when monitoring camera work service process, be activated; and camera is enabled after shoot function; the multimedia file that camera is generated is encrypted operation; and then the multimedia file after encrypting is stored in to hardware medium; take pictures and video process in can automatically realize the dynamic real-time encrypted protection to multimedia file; need not user manually intervene; operate fairly simple, quick; and there is not the situation of forgetting encryption, can effectively avoid the privacy leakage problem causing thus.
Fig. 2 illustrates the flow process illustrative diagram of the automatic encryption method of multimedia file of terminal according to another exemplary embodiment of the present invention.Wherein, this terminal, for supporting to take pictures and/or the terminal of recording function, such as being smart mobile phone, panel computer etc., but is not limited to this.This terminal can comprise safety applications and camera, can also comprise camera application etc., but be not limited to this.The method of this embodiment comprises the following steps:
Step 202, safety applications Real-Time Monitoring camera work service process is not carried out any operation when camera work service process is not activated.Wherein, camera work service process be such as can be ICameraService process etc., but is not limited to this.
Step 204, camera application can be initiated call request to camera after receiving user's trigger action, to activate camera work service process.Wherein, camera application be such as can be take pictures application or video recording application etc., but is not limited to this.
Step 206, camera, in response to this call request, activates camera work service process, and returns and activate response message to camera application.
Step 208, as optional step, camera can be enabled preview (preview) function, waits for that camera application sends instruction, to facilitate user to adjust for the visual angle of taking pictures or recording a video or other parameters etc.
Step 210, camera application is initiated camera hardware interface (Camera Hardware Interface) call request to camera, so that generation multimedia file, for example, the application call of taking pictures camera hardware interface is taken pictures, or video recording application call camera hardware interface is recorded a video etc., but is not limited to this.
Step 212, camera responds this camera hardware interface call request, enable shoot function and generate multimedia file, for example, enable camera function (takePicture) the synthetic image file of taking pictures, or enable recording function (recording) the generating video file etc. of recording a video, but be not limited to this.
Step 214, safety applications monitors camera work service process and is activated, and camera enables after shoot function, the multimedia file generating is encrypted to operation.
As a kind of exemplary execution mode, safety applications can adopt following method to be encrypted operation to the multimedia file generating, be that safety applications reads from configuration file the password that user sets in advance, according to this password, the multimedia file generating be encrypted to operation.User only need arrange a password and just can all multimedia files be encrypted, and saves user and much operates, and ciphering process is fairly simple, quick.In addition, user can also arrange according to different file types different passwords, for example, the password of picture file is set to AAA, and the password of video file is set to BBB etc., and safety applications first detects the type of multimedia file before encryption, according to the type of multimedia file, obtain corresponding password, according to this password, the multimedia file generating is encrypted to operation, thereby realize, according to different file types, automatically encrypts, user experiences better.It will be understood by those skilled in the art that known various cryptographic algorithm is all applicable to the present embodiment, the present embodiment does not limit concrete cryptographic algorithm.
Step 216, camera is stored in hardware medium by the multimedia file of encryption, and has returned to response message to camera application, and operation completes.Wherein, hardware medium can be hard disk, storage card of terminal etc., but is not limited to this.
Above-described embodiment; by the safety applications Real-Time Monitoring camera course of work; when monitoring camera work service process, be activated; and camera is enabled after shoot function; the multimedia file that camera is generated is encrypted operation; and then the multimedia file after encrypting is stored in to hardware medium; take pictures and video process in can automatically realize the dynamic real-time encrypted protection to multimedia file; need not user manually intervene; operate fairly simple, quick; and there is not the situation of forgetting encryption, can effectively avoid the privacy leakage problem causing thus.
Using the example of taking pictures as exemplary below, the automatic encryption method of multimedia file of above-mentioned terminal is described.Fig. 3 illustrates according to the flow process illustrative diagram of the automatic encryption method of picture of the terminal of another exemplary embodiment of the present invention.
As shown in Figure 3, the method for this embodiment comprises the following steps:
Step S302, the safety applications on mobile phone is monitored camera work service process (ICameraService process).
Step S304, when the application of taking pictures is initiated to take pictures operation requests, mobile phone camera activates ICameraService process, and the preview of finding a view, and the application of then taking pictures sends takes instruction calls camera hardware interface.
Step S306, safety applications monitors that ICameraService process is activated and camera is enabled (takePicture) function of taking pictures, and it is taken to the picture generating and carries out dynamically real-time encrypted.Encryption method can embodiment shown in Figure 1 method, repeat no more here.
Step S308, camera is stored in hardware medium by the picture after encrypting, and after completing, camera has returned to response message to the application of taking pictures, EO, thus realize the dynamic real-time encrypted protection to pictures taken.
Above-described embodiment; in the process of taking pictures, can automatically realize the dynamic real-time encrypted protection to multimedia file, need not user manually intervene, operate fairly simple, quick; and there is not the situation of forgetting encryption, can effectively avoid the privacy leakage problem causing thus.
Video recording using below as exemplary example, the automatic encryption method of multimedia file of above-mentioned terminal is described.Fig. 4 illustrates according to the flow process illustrative diagram of the automatic encryption method of video of the terminal of another exemplary embodiment of the present invention.
As shown in Figure 4, the method for this embodiment comprises the following steps:
Step S402, the safety applications on mobile phone is monitored camera work service process (ICameraService process).
Step S404, when video recording operation requests is initiated in a video recording application, mobile phone camera activates ICameraService process, and the preview of finding a view, and then video recording application sends and takes instruction calls camera hardware interface.
Step S406, safety applications monitors that ICameraService process is activated and camera is enabled video recording (recording) function, it is taken to the video generating and carries out dynamically real-time encrypted.Encryption method can embodiment shown in Figure 1 method, repeat no more here.
Step S408, camera is stored in hardware medium by the video after encrypting, and after completing, camera has returned to response message to video recording application, EO, thus realize the dynamic real-time encrypted protection to capture video.
Above-described embodiment; in video process, can automatically realize the dynamic real-time encrypted protection to multimedia file, need not user manually intervene, operate fairly simple, quick; and there is not the situation of forgetting encryption, can effectively avoid the privacy leakage problem causing thus.
Fig. 5 illustrates the structural representation journey figure according to the terminal of a kind of exemplary embodiment of the present invention.As shown in Figure 5, this terminal comprises safety applications 502 and camera 504;
Safety applications 502, for Real-Time Monitoring camera work service process, monitors camera work service process and is activated, and camera enables shoot function and generate multimedia file, and the multimedia file generating is encrypted to operation;
Camera 504, for activating camera work service process, in response to camera hardware interface call request, enables shoot function and generates multimedia file, and the multimedia file that safety applications is encrypted is stored in hardware medium.
As a kind of exemplary execution mode, safety applications 502, when the multimedia file generating is encrypted to operation, specifically for read the password that user sets in advance from configuration file, is encrypted operation according to this password to the multimedia file generating.User only need arrange a password and just can all multimedia files be encrypted, and saves user and much operates, and ciphering process is fairly simple, quick.In addition, user can also arrange according to different file types different passwords, for example, the password of picture file is set to AAA, and the password of video file is set to BBB etc., and safety applications first detects the type of multimedia file before encryption, according to the type of multimedia file, obtain corresponding password, according to this password, the multimedia file generating is encrypted to operation, thereby realize, according to different file types, automatically encrypts, user experiences better.It will be understood by those skilled in the art that known various cryptographic algorithm is all applicable to the present embodiment, the present embodiment does not limit concrete cryptographic algorithm.
As a kind of exemplary execution mode, the call request that camera 504 can send in response to camera application, activates camera work service process.Camera 504 can also further return and activate response message to camera application.Camera application can, after receiving the activation response message that camera returns, send camera hardware interface call request.
As a kind of exemplary execution mode, camera 504, when enabling shoot function generation multimedia file, specifically for calling camera hardware interface, is enabled shoot function and is generated multimedia file.
As a kind of exemplary execution mode, camera 504 is before enabling shoot function generation multimedia file, also for enabling preview function.
As a kind of exemplary execution mode, safety applications 502 also, for when not monitoring camera work service process and be activated, is not carried out any operation.
As a kind of exemplary execution mode, camera work service process can be ICameraService process.Camera application can comprise take pictures application and video recording application etc.; Shoot function can comprise camera function and recording function etc.; Multimedia file comprises image file and video file etc.
As a kind of exemplary execution mode, terminal, for supporting to take pictures and/or the terminal of recording function, such as being smart mobile phone, panel computer etc., but is not limited to this.
Above-described embodiment; by the safety applications Real-Time Monitoring camera course of work; when monitoring camera work service process, be activated; and camera is enabled after shoot function; the multimedia file that camera is generated is encrypted operation; and then the multimedia file after encrypting is stored in to hardware medium; take pictures and video process in can automatically realize the dynamic real-time encrypted protection to multimedia file; need not user manually intervene; operate fairly simple, quick; and there is not the situation of forgetting encryption, can effectively avoid the privacy leakage problem causing thus.
One of ordinary skill in the art will appreciate that all or part of step that realizes above-described embodiment can complete by hardware, also can come the hardware that instruction is relevant to complete by program, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium of mentioning can be read-only memory, disk or CD etc.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. the automatic encryption method of the multimedia file of terminal, is characterized in that, described terminal comprises safety applications and camera, and described method comprises:
Described safety applications Real-Time Monitoring camera work service process;
Described camera activates camera work service process, in response to camera hardware interface call request, enables shoot function and generates multimedia file;
Described safety applications monitors camera work service process and is activated, and described camera enables shoot function and generate multimedia file, and the multimedia file generating is encrypted to operation;
Described camera is stored in hardware medium by the multimedia file of encryption.
2. method according to claim 1, is characterized in that, described safety applications is encrypted operation to the multimedia file generating and comprises:
Described safety applications reads from configuration file the password that user sets in advance, and according to this password, the multimedia file generating is encrypted to operation.
3. method according to claim 1, is characterized in that, described camera is enabled shoot function generation multimedia file and comprised:
Described camera calls camera hardware interface, enables shoot function and generates multimedia file.
4. method according to claim 1, is characterized in that, before described camera is enabled shoot function generation multimedia file, also comprises: described camera is enabled preview function.
5. according to the method described in claim 1-4 any one, it is characterized in that, described shoot function comprises camera function and recording function; Described multimedia file comprises image file and video file.
6. a terminal, is characterized in that, described terminal comprises safety applications and camera;
Described safety applications, for Real-Time Monitoring camera work service process, monitors camera work service process and is activated, and described camera enables shoot function and generate multimedia file, and the multimedia file generating is encrypted to operation;
Described camera, for activating camera work service process, in response to camera hardware interface call request, enables shoot function and generates multimedia file, and the multimedia file that described safety applications is encrypted is stored in hardware medium.
7. terminal according to claim 6, it is characterized in that, described safety applications, when the multimedia file generating is encrypted to operation, specifically for read the password that user sets in advance from configuration file, is encrypted operation according to this password to the multimedia file generating.
8. terminal according to claim 6, is characterized in that, described camera, when enabling shoot function generation multimedia file, specifically for calling camera hardware interface, is enabled shoot function and generated multimedia file.
9. terminal according to claim 6, is characterized in that, described camera is before enabling shoot function generation multimedia file, also for enabling preview function.
10. according to the terminal described in claim 6-9 any one, it is characterized in that, described shoot function comprises camera function and recording function; Described multimedia file comprises image file and video file.
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| CN201210365178.7A CN103701978A (en) | 2012-09-27 | 2012-09-27 | Terminal and automatic multimedia file encryption method |
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| CN201210365178.7A CN103701978A (en) | 2012-09-27 | 2012-09-27 | Terminal and automatic multimedia file encryption method |
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