CN101415099A - System and method for ciphering image viewfinding device - Google Patents

System and method for ciphering image viewfinding device Download PDF

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Publication number
CN101415099A
CN101415099A CNA2007102021229A CN200710202122A CN101415099A CN 101415099 A CN101415099 A CN 101415099A CN A2007102021229 A CNA2007102021229 A CN A2007102021229A CN 200710202122 A CN200710202122 A CN 200710202122A CN 101415099 A CN101415099 A CN 101415099A
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CN
China
Prior art keywords
audio
password
encryption
encrypted
video file
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Pending
Application number
CNA2007102021229A
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Chinese (zh)
Inventor
江景霖
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
Original Assignee
Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Hongfujin Precision Industry Shenzhen Co Ltd, Hon Hai Precision Industry Co Ltd filed Critical Hongfujin Precision Industry Shenzhen Co Ltd
Priority to CNA2007102021229A priority Critical patent/CN101415099A/en
Publication of CN101415099A publication Critical patent/CN101415099A/en
Pending legal-status Critical Current

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Abstract

The invention provides a method used for encrypting an image gaining device, comprising the steps as follows: after the image gaining device is started, self-checking is carried out so as to determine whether the codes are arranged; if not, the user is prompted to set a group of codes and cryptographic-keys corresponding to the codes are memorized in a flash memory of the image gaining device; when the user needs to encrypt the video/audio file to be photographed, the photographed video/audio file is memorized in the source folder of the image gaining device; the video/audio file in the source folder to be encrypted is selected and memorized in an encrypted folder; furthermore, the encrypted folder is encrypted by the codes set by the user. The invention also provides an image gaining device encrypting system. The method and the system can ensure the safety state of the video/audio files in the image gaining device.

Description

Image capture unit encryption system and method
Technical field
The present invention relates to a kind of encryption system and method.
Background technology
As everyone knows, the operation principle of digital image pick-up (for example digital camera or Digital Video) when filmed image is: at first, receive light by camera lens, the photographic element (also using cmos sensor sometimes) that is called as CCD (charge coupled device) then converts the light that is received to the signal of telecommunication, at last with the signal of telecommunication as data record in internal memory and storage card.Photographer can show the image of the gained of taking pictures by display unit, or through this image of printer prints.Wherein, this image is meant audio/video file, comprises picture, video file or audio file.
Traditional image capture unit does not have secrecy provision to captured audio/video file, and anyone can pass through function of browse, watches the audio/video file information on the storage card in the image capture unit.These information may be the contents that some individual privacies or some are maintained secrecy, and the holder of this image capture unit does not wish that other people also can browse to.But because traditional image capture unit does not provide encryption function, this makes privacy or security information in the imaging device be in unsafe condition.
Summary of the invention
In view of above content, be necessary to provide a kind of image capture unit encryption system, can encrypt and the audio/video file of having encrypted is decrypted the audio/video file in this image capture unit, important information is in a safe condition.
In view of above content, be necessary to provide a kind of image capture unit encryption method, can encrypt and the audio/video file of having encrypted is decrypted the audio/video file in this image capture unit, important information is in a safe condition.
A kind of image capture unit encryption system, run in the image capture unit, be used for the audio/video file of this image capture unit is encrypted, and the audio/video file of having encrypted in this image capture unit is decrypted, wherein, this system comprises: the password input unit, be used for when image capture unit is not provided with password, the prompting user is provided with one group of password, and when the user desires to read the audio/video file of having encrypted or deciphers the audio/video file of having encrypted, eject the password input menu, the prompting user inputs password; Mode selecting unit is used for encrypting to select screening-mode according to the audio/video file whether user treats shooting, and this screening-mode comprises general modfel and encryption mode; Choose the unit, be used for after the user enters encryption mode and takes, from source folder, choosing audio/video file to be encrypted, and selected audio/video file to be encrypted being stored in the encryption folder; And ciphering unit, be used for this encryption folder being encrypted according to the set password of user.
A kind of image capture unit encryption method comprises that step is as follows: carry out self check to determine whether to be provided with password after the image capture unit start; If in this image capture unit password is not set, then points out the user that one group of password is set, and the key of this password correspondence is stored in the flash memory of described image capture unit; When the audio/video file that need treat shooting as the user is encrypted, captured audio/video file is stored in the source folder of this image capture unit; Choose audio/video file to be encrypted in the source folder; Selected audio/video file to be encrypted is deposited in the encryption folder; And utilize the set password of user that this encryption folder is encrypted.
Compared to prior art; described image capture unit encryption system and method; be stored in the encryption folder and by audio/video file and encrypt this encryption folder with need to be keep secret; to realize that audio/video file to be encrypted is carried out encryption; this is effectively protected relevant individual privacy or secret audio/video file; important information is in a safe condition; simultaneously, image capture unit encryption system of the present invention and method can also realize encrypting the decryption processing of audio/video file.
Description of drawings
Fig. 1 is the running environment schematic diagram of image capture unit encryption system of the present invention.
Fig. 2 is the structural representation of encryption system of the present invention.
Fig. 3 is the content schematic diagram of DCIM file of the present invention.
Fig. 4 is the flow graph of the present invention's picture to be encrypted.
Fig. 5 is the operation process chart of image capture unit encryption method of the present invention.
Fig. 6 is the concrete operation process chart that the present invention is decrypted and reduces encrypting picture.
Embodiment
Described in the present embodiment image capture unit is a digital camera with encryption system of the present invention, and in addition, described image capture unit can also be a Digital Video or the electronic equipments such as mobile phone that have photograph or camera function.Encryption system in the image capture unit described in the present embodiment is used for audio/video file is carried out encryption, and the audio/video file of having encrypted is decrypted.Described audio/video file can be picture, video file or audio file.Present embodiment is that example describes with the encryption and decryption of picture.
As shown in Figure 1, be the running environment schematic diagram of image capture unit encryption system provided by the present invention.This encryption system 1 runs in the image capture unit.This image capture unit comprises: the camera 2, image processor 3 and the flash memory 5 that link to each other with this encryption system 1, and the memory 4 that links to each other with image processor 3.Camera 2 is used for focusing and photographic images, and image processor 3 is used for captured image is handled with the generation picture, and the picture that is generated is put into memory 4 preserve.A DCIM (digital camera in memory) file 4a and an encryption folder 4b are arranged in this memory 4.The described encryption system 1 of present embodiment can provide two kinds of screening-mode: general modfel 1a and encryption mode 1b.
When the user selected encryption mode 1b, encryption system 1 can be encrypted according to the encryption folder 4b that the password that the user is provided with is stored picture to be encrypted.Wherein, the key of described password correspondence is stored in the flash memory 5 of image capture unit.Encryption system 1 can be decrypted encryption folder 4b by the key in this flash memory 5, with realization some picture among the encryption folder 4b is decrypted.Described encryption and decryption flow process can have a detailed description in follow-up specification.
In addition, when the user need not picture encrypted, can select general modfel 1a to take, the picture that is generated is stored among the DCIM file 4a of image capture unit.
As shown in Figure 2, be the structural representation of encryption system 1 of the present invention.This encryption system 1 comprises mode selecting unit 10, password input unit 12, chooses unit 14, path memory cell 16, ciphering unit 18 and decrypting device 20.
Confirm not to be provided with password after the image capture unit startup self-detection, password input unit 12 ejects dialog boxes, and the prompting user is provided with password, is used for follow-up picture to be encrypted being carried out encipherment protection.In this preferred embodiment, each image capture unit can only write down one group of password, and it is 8 bit digital or letter.
Described mode selecting unit 10 is used for selecting screening-mode according to user's demand, as described in Figure 1, encryption system 1 in the present embodiment can provide two kinds of screening-mode: general modfel 1a and encryption mode 1b, the user selects screening-mode by mode selecting unit 10 on the interface that image capture unit provided, for example, when the screening-mode of selecting as the user was general modfel 1a, image capture unit shot object or people's mode and general digital camera, Digital Video, the style of shooting of mobile phone that has photograph or a camera function were identical.
When the user selects encryption mode 1b to take, after the user utilizes camera 2 to take object or person, 3 pairs of captured images of image processor are handled the generation picture, and the picture that is generated is stored in the file under the described DCIM file 4a.This DCIM file 4a comprises a plurality of files, there is picture in each file, as shown in Figure 3, described DCIM file 4a is made up of file 101 and file 102, wherein, there are picture a, picture b, picture c and picture d in the file 101, have picture e, picture f, picture g and picture h in the file 102.
Choose unit 14 and be used to choose picture to be encrypted, as shown in Figure 4, the user chooses picture a in the file 101 and the picture e in picture b and the file 102 and picture f as picture to be encrypted by choosing unit 14, at this, file 101 can be regarded as the source folder of picture a and picture b, and file 102 is regarded as the source folder of picture e and picture f.
Path memory cell 16 is used to every selected picture to set up an access path, and for example, the access path a of picture a is " ../DCIM/101/ picture a.JPG ", and the access path e of picture e is " ../DCIM/102/ picture e.JPG ".All access paths that described path memory cell 16 also is used for being set up deposit a path storage file 4c in, and in the present embodiment, this path storage file 4c can be text.
Ciphering unit 18 is used for depositing described encryption folder 4b in choosing unit 14 selected pictures to be encrypted, and the password that is provided with by the user and data encryption standard (Data Encryption Standard DES) encrypts to guarantee the encryption to selected picture this encryption folder 4b.Described DES is the data encryption standard of DEA, and it is a kind of enciphered method of symmetrical expression, and the key of encryption and decryption has only one.The employed key length of DES is 64, wherein 8 is parity check bit, the password of user's input can be put into key in regular turn, for example, the password of user's input is 8, be placed on the 1st, 3,5,7,9,11,13 and 15 of key respectively, and other position is inserted by ciphering unit 18 random numbers.
When the user need be decrypted some picture among the encryption folder 4b, password input unit 12 can eject the password input menu automatically, and the prompting user inputs password.If the password of user input is complementary with the key in the described flash memory 5, judge that then the password that the user inputs is correct, choose unit 14 and show that on the interface that image capture unit provided all pictures confession users among the encryption folder 4b read.If the user also needs the picture among the encryption folder 4b that has deciphered is reduced, then can on this interface, choose picture to be restored, described decrypting device 20 reverts to selected picture in the corresponding source folder according to the access path of path storage file 4c storage, for example, if the user need reduce picture a, then decrypting device 20 reverts to picture a in the file 101 according to access path a.The user can read picture in source folder.
If the password of user's input and the key in the described flash memory 5 are not complementary, then judge the password mistake that the user inputs, when the password of continuous three inputs of user was all wrong, password input unit 12 was used for closing automatically the password input menu.
Consulting Fig. 5, is the operation process chart of image capture unit encryption method of the present invention.
After starting the power supply of image capture unit of the present invention, image capture unit can carry out self check (step S100).
Encryption system 1 determines according to the self-detection result of step S100 whether the inside of this image capture unit is provided with password, and this password is used for encryption folder 4b is encrypted or decipher (step S102).
If encryption system 1 is not provided with password through finding after the self check in this image capture unit, then password input unit 12 ejects a dialog box, the prompting user is provided with one group of password, and password input unit 12 is stored in the key of the set password correspondence of user in the flash memory 5.The set password of this preferred embodiment user is 8 (step S104).
When the user wanted to utilize this image capture unit to take, mode selecting unit 10 can the prompting user be selected screening-mode on the interface that this image capture unit provided, to determine whether that need treat picture shot encrypts (step S106).
If the user selects general modfel 1a, then image capture unit enters general modfel 1a and takes, and this style of shooting and general digital camera, Digital Video, has the style of shooting identical (step S108) of the mobile phone of photograph or camera function.
If the user selects encryption mode 1b, then image capture unit enters encryption mode 1b and takes, the user creates new file down in DCIM file 4a and is used to store shot picture, described new file source folder just recited above (step S110).
The user chooses picture to be encrypted in the source folder on choosing the interface that unit 14 provided, and described picture to be encrypted deposited among the encryption folder 4b, path memory cell 16 is set up an access path for every picture to be encrypted, and the access path of all pictures to be encrypted deposited among the path storage file 4c, this path storage file 4c can be text (step S112).
Ciphering unit 18 utilizes the password of the set mistake of user and des encryption method that this encryption folder 4b is encrypted, to realize that described picture to be encrypted is encrypted (step S114).
Consulting Fig. 6, is the concrete operation process chart that the present invention is decrypted and reduces encrypting picture.Some picture in the user thinks encryption folder 4b need not carry out when secret again, can these pictures be restored from encryption folder 4b by the mode of deciphering.Described deciphering and reduction comprise following job step:
At first, the user makes image capture unit enter encryption mode 1b (step S200) by mode selecting unit 10.
Decrypting device 20 judges whether the user opens encryption folder 4b (step S202).
When button or the touching-type monitor when desiring open encryption folder 4b of user by described image capture unit, password input unit 12 can eject the password input menu automatically, and the prompting user inputs password (step S204).
Whether correctly password input unit 12 compares the password of user input with the key in the flash memory 5, to determine password that the user inputed (step S206).
If password that the user inputed and the key in the flash memory 5 are not complementary, then judge the password mistake that the user inputs, password input unit 12 can eject the password input menu again, the prompting user re-enters password, if the continuous password of being inputed for three times of user is mistake all, so, password input unit 12 can make image capture unit close password input menu (step S208) automatically.
If password that the user inputed and the key in the flash memory 5 are complementary, judge that then the password that the user inputs is correct, choose unit 14 and will show all pictures in the encryption folder 4b on the interface that image capture unit provided, the user chooses picture to be restored (step S210) in described encryption folder 4b.
The access path that decrypting device 20 is stored according to path storage file 4c, whether the source folder of selected picture exists (step S212) among the search step S210.
If the source folder of selected picture has not existed among the step S210, that is to say that described source folder may be deleted have fallen, then the user needs a newly-built file in DCIM file 4a, and decrypting device 20 is stored in this document folder (step S214) after selected picture is reduced.
Otherwise if the source folder of selected picture also exists among the step S210, then decrypting device 20 reverts to (step S216) in the corresponding source folder with selected picture.
In the present embodiment, when the user is the picture among the reading encrypted file 4b and need not reduce picture the time, the described deciphering flow process of execution in step S200 to S208, in step S210, if the password of user's input is correct, then all the figure sector-meetings in the encryption folder 4b show on the interface that image capture unit provided, and read for the user.
In addition, the present invention is used for the encryption system 1 in the image capture unit, can also carry out encrypt/decrypt to the audio/video file that is stored in other class in this image capture unit, and its method is similar to the encryption and decryption of described picture.Those skilled in the art also can do other variation in spirit of the present invention, as long as it does not depart from technique effect of the present invention, all should be included within the present invention's scope required for protection.

Claims (10)

  1. [claim 1] a kind of image capture unit encryption method is used for the captured audio/video file of encrypted image capture device, it is characterized in that this method comprises:
    Carry out self check to determine whether to be provided with password after the image capture unit start;
    If in this image capture unit password is not set, then points out the user that one group of password is set, and the key of this password correspondence is stored in the flash memory of described image capture unit;
    When the audio/video file that need treat shooting as the user is encrypted, captured audio/video file is stored in the source folder of this image capture unit;
    Choose audio/video file to be encrypted in the source folder;
    Selected audio/video file to be encrypted is deposited in the encryption folder; And
    Utilize the set password of user that this encryption folder is encrypted.
  2. [claim 2] be the image capture unit encryption method according to claim 1, it is characterized in that, this method also comprises step:
    When the audio/video file that does not need to treat shooting as the user is encrypted, enter general modfel and take.
  3. [claim 3] be the image capture unit encryption method according to claim 1, it is characterized in that, after described step was chosen audio/video file to be encrypted in the source folder, this method also comprised step:
    For each audio/video file to be encrypted is set up an access path, and the access path of all audio/video files to be encrypted deposited in the path storage file.
  4. [claim 4] is characterized in that as image capture unit encryption method as described in the claim 3 this method also comprises the step that encryption folder is decrypted:
    Enter encryption mode;
    When the user will open encryption folder, the prompting user inputed password;
    The password of user's input and the key in the described flash memory are compared, whether correct to determine this password;
    If the password mistake of user input then points out the user to re-enter password, if the continuous password of being inputed for three times of user mistake is all then closed the password input menu automatically; And
    If the password of user's input is correct, then enters described encryption folder and read audio/video file.
  5. [claim 5] is characterized in that as image capture unit encryption method as described in the claim 4 this method also comprises carries out step of reducing to the audio/video file in the encryption folder:
    From described encryption folder, choose audio/video file to be restored;
    According to the access path of described path storage file storage, judge whether the source folder of described audio/video file to be restored exists;
    If the source folder of described audio/video file to be restored exists, then described audio/video file to be restored is reverted in the corresponding source folder; And
    If the source folder of described audio/video file to be restored does not exist, a then newly-built file, and the audio/video file after will reducing is stored in this document folder.
  6. [claim 6] a kind of image capture unit encryption system runs in the image capture unit, is used for the audio/video file of this image capture unit is encrypted, and it is characterized in that this system comprises:
    The password input unit, be used for when image capture unit is not provided with password, the prompting user is provided with one group of password, and when the user desires to read the audio/video file of having encrypted or deciphers the audio/video file of having encrypted, eject the password input menu, the prompting user inputs password;
    Mode selecting unit, the audio/video file that is used for whether treating according to the user shooting is encrypted the selection screening-mode, and this screening-mode comprises general modfel and encryption mode;
    Choose the unit, be used for after the user enters encryption mode and takes, from source folder, choosing audio/video file to be encrypted, and selected audio/video file to be encrypted being stored in the encryption folder; And
    Ciphering unit is used for according to the set password of user this encryption folder being encrypted.
  7. [claim 7] image capture unit encryption system as claimed in claim 6 is characterized in that described image capture unit comprises a flash memory, is used to store the pairing key of described password.
  8. [claim 8] image capture unit encryption system as claimed in claim 6, it is characterized in that, this system also comprises a path memory cell, is used to each audio/video file to be encrypted to set up an access path, and the access path of being set up is deposited in the path storage file.
  9. [claim 9] image capture unit encryption system as claimed in claim 8, it is characterized in that, this system also comprises a decrypting device, be used to decipher described encryption folder, and audio/video file to be restored in the encryption folder reverted in the corresponding source folder according to the access path of described path storage file storage.
  10. [claim 10] image capture unit encryption system as claimed in claim 6, it is characterized in that, described password input unit also is used for desiring the audio/video file of reading encrypted file or enabling decryption of encrypted file and during the password mistake of continuous several times input, closing the password input menu automatically as the user.
CNA2007102021229A 2007-10-18 2007-10-18 System and method for ciphering image viewfinding device Pending CN101415099A (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102215335A (en) * 2010-04-08 2011-10-12 天津三星光电子有限公司 Digital video camera with password function
CN102479307A (en) * 2010-11-23 2012-05-30 腾讯科技（深圳）有限公司 Mobile device and video file hiding method of mobile device
CN103458403A (en) * 2013-09-18 2013-12-18 北京网秦天下科技有限公司 Mobile terminal and code setting method used for mobile terminal
CN103473490A (en) * 2013-08-16 2013-12-25 亚太宝龙科技（湖南）有限公司 Directory encryption and access method and device of encrypted directory
WO2014201940A1 (en) * 2013-06-21 2014-12-24 腾讯科技（深圳）有限公司 Photographing method and apparatus and storage medium
CN104253933A (en) * 2013-06-26 2014-12-31 华为技术有限公司 Shooting method and device
CN104348954A (en) * 2013-07-29 2015-02-11 腾讯科技（深圳）有限公司 Detection method and device for camera interface initiating, terminal equipment
CN105046167A (en) * 2015-08-31 2015-11-11 宇龙计算机通信科技(深圳)有限公司 Generating method and apparatus for encrypted photo and electronic equipment
CN105530261A (en) * 2015-12-23 2016-04-27 北京奇虎科技有限公司 Privacy information protecting method and device
CN111260537A (en) * 2018-12-03 2020-06-09 珠海格力电器股份有限公司 Image privacy protection method and device, storage medium and camera equipment

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102215335A (en) * 2010-04-08 2011-10-12 天津三星光电子有限公司 Digital video camera with password function
CN102479307A (en) * 2010-11-23 2012-05-30 腾讯科技（深圳）有限公司 Mobile device and video file hiding method of mobile device
CN102479307B (en) * 2010-11-23 2015-03-18 腾讯科技（深圳）有限公司 Mobile device and video file hiding method of mobile device
WO2014201940A1 (en) * 2013-06-21 2014-12-24 腾讯科技（深圳）有限公司 Photographing method and apparatus and storage medium
CN104253933A (en) * 2013-06-26 2014-12-31 华为技术有限公司 Shooting method and device
CN104348954A (en) * 2013-07-29 2015-02-11 腾讯科技（深圳）有限公司 Detection method and device for camera interface initiating, terminal equipment
CN103473490A (en) * 2013-08-16 2013-12-25 亚太宝龙科技（湖南）有限公司 Directory encryption and access method and device of encrypted directory
CN103473490B (en) * 2013-08-16 2016-10-12 亚太宝龙科技（湖南）有限公司 A kind of encrypted directory and access method thereof and device
CN103458403A (en) * 2013-09-18 2013-12-18 北京网秦天下科技有限公司 Mobile terminal and code setting method used for mobile terminal
CN105046167A (en) * 2015-08-31 2015-11-11 宇龙计算机通信科技(深圳)有限公司 Generating method and apparatus for encrypted photo and electronic equipment
CN105046167B (en) * 2015-08-31 2018-09-07 宇龙计算机通信科技(深圳)有限公司 Encrypt generation method, device and the electronic equipment of photo
CN105530261A (en) * 2015-12-23 2016-04-27 北京奇虎科技有限公司 Privacy information protecting method and device
CN105530261B (en) * 2015-12-23 2019-02-12 北京奇虎科技有限公司 The guard method of privacy information and device
CN111260537A (en) * 2018-12-03 2020-06-09 珠海格力电器股份有限公司 Image privacy protection method and device, storage medium and camera equipment

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