KR20110022960A - Apparatus for storing data and operating method implementing the same - Google Patents

Apparatus for storing data and operating method implementing the same Download PDF

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Publication number
KR20110022960A
KR20110022960A KR1020090080498A KR20090080498A KR20110022960A KR 20110022960 A KR20110022960 A KR 20110022960A KR 1020090080498 A KR1020090080498 A KR 1020090080498A KR 20090080498 A KR20090080498 A KR 20090080498A KR 20110022960 A KR20110022960 A KR 20110022960A
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KR
South Korea
Prior art keywords
data
password
unit
controller
storage device
Prior art date
Application number
KR1020090080498A
Other languages
Korean (ko)
Inventor
정한규
Original Assignee
삼성에스디에스 주식회사
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.)
Filing date
Publication date
Application filed by 삼성에스디에스 주식회사 filed Critical 삼성에스디에스 주식회사
Priority to KR1020090080498A priority Critical patent/KR20110022960A/en
Publication of KR20110022960A publication Critical patent/KR20110022960A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D41/00—Fittings for identifying vehicles in case of collision; Fittings for marking or recording collision areas
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D9/00—Recording measured values
    • G01D9/02—Producing one or more recordings of the values of a single variable
    • G01D9/10—Producing one or more recordings of the values of a single variable the recording element, e.g. stylus, being controlled in accordance with the variable, and the recording medium, e.g. paper roll, being controlled in accordance with time
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00137—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to contents recorded on or reproduced from a record carrier to authorised users
    • G11B20/00152—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to contents recorded on or reproduced from a record carrier to authorised users involving a password
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G11B20/00485—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier
    • G11B20/00492—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted
    • G11B20/00536—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted wherein encrypted content data is subjected to a further, iterated encryption, e.g. interwoven encryption
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
    • H04L9/0822—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) using key encryption key
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/14—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or algorithms

Abstract

PURPOSE: An apparatus for storing data and an operating method implementing the same are provided to strengthen security by ciphering image and sound data. CONSTITUTION: A storage unit(160) stores data, and an encryption unit(170) ciphers the stored data. A decryption unit(180) deciphers the encrypted data. A control unit(150) collects data including video data and audio data. If necessary, the control unit ciphers the collected data through the encryption unit. The control unit stores the encrypted data to the storage unit. The controller controls the output of the decrypted data.

Description

Apparatus for storing data and operating method implementing the same}

The present invention relates to a data storage device, and more particularly, to a data storage device capable of recording and storing video and audio data.

A data storage device using location-based data including a vehicle black box currently being promoted in Korea is mainly implemented as a small device, and all recorded data are stored in the terminal itself. For example, the vehicle black box stores images of the front and rear of the vehicle and the driving information data, and visually reproduces the state at the time of the traffic accident along with the stored driving information, thereby enabling the objective analysis of the traffic accident situation.

1 is a block diagram showing the configuration of a general data storage system.

Referring to FIG. 1, the data storage device 10 may collect data from the outside and store the data, and if necessary, may be connected to the external playback device 70 to reproduce the stored data. In more detail, the data storage device 10 receives image data from the photographing unit 20 such as a camera, and the received image data is converted into an internal signal through a first analog-to-digital converter (ADC) to control the controller. It is input to (15). The data received from the GPS receiver 40 is converted into an internal signal through the coordinate converter 13 and input to the controller 15. The voice data received from the microphone 50 is converted into an internal signal through the second ADC 12 and input to the controller 15. The data received from the gyro sensor unit 60 is converted into an internal signal through the data converter 14 and input to the controller 15. In addition, a user may input information through the input unit 30.

The controller 15 stores the input data in the storage means 16 and reproduces the stored data through the playback device 70 such as a computer or a terminal.

As such, in the related art, data including audio and video data is stored in the data storage device 10 as it is, and anyone can easily reproduce the data through a general playback device 70 such as a computer or a cassette. Therefore, there is a concern that the data stored in the data storage device 10 may be exploited for invasion of personal privacy and various crimes.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object thereof is to provide a data storage device and a driving method thereof which can prevent privacy infringement and crime occurrence by encrypting and storing data.

The data storage device of the present invention for achieving the above object includes a storage means for storing data, an encryption unit for encrypting data, a decryption unit for decrypting the encrypted data and data including video data and audio data. And collecting and processing the data, if necessary, encrypting the collected data through the encryption unit, storing the collected data in the storage unit, and controlling the decrypted data to be output by decrypting the encrypted data.

The controller may collect image data from a photographing unit for photographing a subject. In this case, the controller may collect image data from a charge-coupled device (CCD) device. The data storage device may further include a first analog-to-digital converter for converting analog data received from the CCD element into digital data.

Alternatively, the controller may collect image data from a complementary metal oxide semiconductor (CMOS) device.

The controller may collect voice data from the microphone. In this case, the method may further include a second analog-to-digital converter for converting analog data received from the microphone into digital data.

The controller may collect position data from a global positioning system (GPS) receiver. In this case, the apparatus may further include a coordinate converter for converting the position data received from the GPS receiver into a data format usable by the controller.

The control unit may collect data from the gyro sensor unit. The data converter may further include a data converter for converting data received from the gyro sensor into a data format usable by the controller.

The apparatus may further include a user input unit configured to receive a password and related information from a user for protecting personal privacy and setting up a controller.

The control unit may further include a password algorithm for encrypting data by receiving a password from the user input unit. In this case, the controller provides a screen for inputting a password when the data encrypted with the password algorithm is to be reproduced, and checks whether the password input from the provided screen matches the password set for the data encrypted with the password algorithm. Thus, if there is a match, the data encrypted by the password algorithm can be decrypted.

The controller may encrypt data in the encryption unit according to a user's selection, and encrypt data using the password algorithm.

In one embodiment of the present invention, the data storage device may be a vehicle black box.

The method of operating a data storage device according to an embodiment of the present invention includes the steps of checking whether encryption is set to encrypt and store data collected from the outside, and if the encryption is set, encrypting and storing the collected data. And reproducing the encrypted data when reproducing is necessary and reproducing the decrypted data through an external reproducing apparatus.

After checking whether the encryption is set, if the encryption is not set, the method may further include storing the collected data as it is and playing the stored data through an external playback device.

According to another aspect of the present invention, there is provided a method of operating a data storage device, the method comprising: verifying whether a password mode, which is a mode for encrypting data collected from the outside, is set using a password security algorithm for encrypting with a set password, and if the password mode is set Receiving a password from a user, encrypting and storing the data collected from the outside with the password security algorithm, receiving a password if an attempt is made to reproduce the stored data, receiving a password, and receiving the password from the user. The method may include reproducing the stored data in an external reproducing apparatus when the input password matches the password set by the user by checking whether the set password matches.

If there is an attempt to reproduce the stored data, the step of receiving a password may include providing a screen for inputting the password if there is an attempt to reproduce the stored data, and receiving a password. .

After determining whether the password mode is set, the method may further include storing the collected data as it is, if the password mode is not set.

According to the present invention, by encrypting and storing video data and audio data in a data storage device for storing data, it is effective in protecting personal privacy and preventing crime.

In addition, according to the present invention, since the user can arbitrarily set and encrypt a password, it contributes to the convenience of the user and has the advantage of enhanced security.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the drawings, the same reference numerals are used for the same reference numerals even though they are shown in different drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

2 is a block diagram illustrating a configuration of a data storage system according to an embodiment of the present invention. The data storage device 100 includes a first analog-to-digital converter 110, a second analog-to-digital converter 120, a coordinate converter 130, a data converter 140, a controller 150, and a storage means 160. , An encryption unit 170, a decryption unit 180, and a user input unit 300. In one embodiment of the present invention, the data storage device 100 may include a vehicle black box.

The storage means 160 serves to store data.

The encryption unit 170 encrypts data.

Decryption unit 180 serves to decrypt the encrypted data.

The user input unit 300 serves to receive a password from a user for privacy protection and setup of the controller 150.

The controller 150 collects and processes data including image data and audio data, encrypts the collected data through the encryption unit 170 and stores the collected data in the storage unit 160 if necessary, and stores the encrypted data in the user input unit. As set up from 300, the decryption unit 180 controls the decryption and output.

In the present invention, the data storage device 100 receives and collects data through various devices and stores the data.

Referring to FIG. 1, the data storage device 100 receives data through the photographing unit 200, the user input unit 300, the GPS receiver 400, the microphone 500, the gyro sensor unit 600, and the like. This will be described in detail below.

The controller 150 may collect image data from the photographing unit 200 for photographing a subject. In an embodiment of the present invention, the controller 200 may collect image data from a charge-coupled device (CCD) device or a complementary metal oxide semiconductor (CMOS) device. In this case, the data storage device 200 includes a first analog-to-digital converter (ADC) 110 for converting analog data received from the CCD device into digital data.

The controller 150 may collect voice data from the microphone 500. In one embodiment of the present invention may include a second analog-to-digital converter (ADC) 120 for converting the analog data received from the microphone 500 into digital data.

The controller 150 may collect position data from the global positioning system (GPS) receiver 400. In one embodiment of the present invention may include a coordinate conversion unit 130 for converting the position data received from the GPS receiver 400 to a data format usable by the controller 150.

The controller 150 may collect data from the gyro sensor unit 600. In one embodiment of the present invention may include a data conversion unit 140 for converting the data received from the gyro sensor unit 600 into a data format usable by the controller 150.

In the present invention, the controller 150 may further include a password algorithm for encrypting data by receiving a password from a user. At this time, the controller 150 provides a screen for inputting a password when reproducing the data encrypted with the password algorithm, and confirms whether the password input from the provided screen matches the password set for the data encrypted with the password algorithm. Thus, if there is a match, the data encrypted with the password algorithm can be decrypted.

In an embodiment of the present invention, the controller 150 may encrypt the data in the encryption unit 180 according to a user's selection, and in addition, encrypt the data using a password algorithm. The user input unit 300 is used to allow a user to input information including a password.

3 is a flowchart illustrating a method of driving a data storage device according to an embodiment of the present invention.

Check whether encryption is set to encrypt and store data collected from the outside (S301).

If encryption is set, the collected data is encrypted and stored (S303). When regeneration is necessary, the decryption unit 180 performs a decryption process for decrypting the encrypted data (S305). After the step S303, if encryption is not set, the collected data is stored as it is (S309).

The decrypted data is reproduced through the external reproducing apparatus 700 (S307).

4 is a flowchart illustrating a method of driving a data storage device according to another exemplary embodiment of the present invention.

The password security algorithm encrypts the set password and checks whether the password mode is set, which is a mode for encrypting data collected from the outside (S401). After the S401 step, if the password mode is not set, the collected data is stored as it is (S417).

When the password mode is set, a password is set by the user (S403).

Data collected from the outside is encrypted and stored with a password security algorithm (S405).

If there is an attempt to reproduce the stored data (S407), a screen for inputting a password is provided (S409). Then, a password is input (S411).

It is checked whether the input password matches the password set by the user (S413). If the input password matches the password set by the user, the stored data is reproduced by the external playback apparatus 700 (S415).

While the invention has been described using some preferred embodiments, these embodiments are illustrative and not restrictive. Those skilled in the art will appreciate that various changes and modifications can be made without departing from the spirit of the invention and the scope of the rights set forth in the appended claims.

1 is a block diagram showing the configuration of a general data storage system.

2 is a block diagram illustrating a configuration of a data storage system according to an embodiment of the present invention.

3 is a flowchart illustrating a method of driving a data storage device according to an embodiment of the present invention.

4 is a flowchart illustrating a method of driving a data storage device according to another exemplary embodiment of the present invention.

* Description of the symbols for the main parts of the drawings *

100 Data Storage 200 Shooting Section

300 User Input 400 GPS Receiver

500 microphone 600 gyro sensor

700 Regenerator 110 First ADC

120 Second ADC 130 Coordinate Converter

140 Data converter 150 controller

160 Storage means 170 Encryption unit

180 Detoxification Department

Claims (21)

Storage means for storing data; An encryption unit for encrypting data; Decryption unit for decrypting the encrypted data; And A control unit for collecting and processing data including image data and audio data, if necessary, encrypting the collected data through the encryption unit, storing the collected data in the storage unit, and controlling the decrypted data to be output by decrypting the encrypted data. Data storage device comprising a. The method of claim 1, The controller collects image data from a photographing unit for photographing a subject. The method of claim 2, The control unit collects image data from a charge-coupled device (CCD) device. The method of claim 3, And a first analog-to-digital converter for converting analog data received from the CCD element into digital data. The method of claim 2, The controller collects image data from a complementary metal oxide semiconductor (CMOS) device. The method of claim 1, The controller collects voice data from the microphone. The method of claim 6, And a second analog-to-digital converter for converting the analog data received from the microphone into digital data. The method of claim 1, The controller collects position data from a GPS (Global Positioning System) receiver. The method of claim 8, And a coordinate converter for converting the position data received from the GPS receiver into a data format usable by the controller. The method of claim 1, The controller collects data from the gyro sensor unit. The method of claim 10, And a data converter configured to convert data received from the gyro sensor into a data format usable by the controller. The method of claim 1, And a user input unit configured to receive a password and related information from a user for protecting personal privacy and setting up a control unit. The method of claim 12, The control unit further includes a password algorithm for encrypting data by receiving a password from the user input unit. The method of claim 13, When the controller wants to reproduce the data encrypted with the password algorithm, the controller provides a screen for inputting a password, and checks whether the password input from the provided screen matches the password set for the data encrypted with the password algorithm. And decrypting the data encrypted with the password algorithm if there is a match. The method of claim 13, The controller encrypts data in the encryption unit according to a user's selection, and encrypts the data using the password algorithm. The method of claim 1, The data storage device is a data storage device, characterized in that the vehicle black box. In the method of operating the data storage device to collect and store data from the outside, and to play the stored data connected to the external playback device, Confirming whether to set encryption to encrypt and store data collected from the outside; If the encryption is set, encrypting and storing the collected data; Decrypting the encrypted data if playback is needed; And Playing the decrypted data through an external playback device; Method of operating a data storage device comprising a. The method of claim 17, After checking whether the encryption is set, If the encryption is not set, storing the collected data as it is; And And reproducing the stored data through an external reproducing apparatus. In the method of operating the data storage device to collect and store data from the outside, and to play the stored data connected to the external playback device, Confirming whether a password mode is set as a mode for encrypting data collected from the outside with a password security algorithm for encrypting with a set password; If the password mode is set, receiving a password from a user; Encrypting and storing the data collected from the outside using the password security algorithm; Receiving a password if an attempt is made to reproduce the stored data; Checking whether the input password matches the password set by the user and reproducing the stored data in an external playback apparatus when the input password matches the password set by the user; Method of operating a data storage device comprising a. The method of claim 19, If there is an attempt to reproduce the stored data, the step of receiving a password may include: Providing a screen for inputting the password when an attempt is made to reproduce the stored data; A method of operating a data storage device comprising the step of receiving a password. The method of claim 19, After checking whether the password mode is set, If the password mode is not set, further comprising storing the collected data as it is.
KR1020090080498A 2009-08-28 2009-08-28 Apparatus for storing data and operating method implementing the same KR20110022960A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101105205B1 (en) * 2011-09-05 2012-01-13 주식회사 아나스타시스 An apparatus and a method of processing data for guaranteeing data integrity and confidentiality in real time, and black box system using thereof
KR101431718B1 (en) * 2013-03-18 2014-08-20 (주)에스디시스템 Accident Recording Apparatus Having Voice Signals Encrypting Function And, Voice Signals Encrypting Management System Including The Same
KR20140128839A (en) * 2013-04-29 2014-11-06 팅크웨어(주) Image-processing Apparatus for Car and Method of Processing Data Using The Same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101105205B1 (en) * 2011-09-05 2012-01-13 주식회사 아나스타시스 An apparatus and a method of processing data for guaranteeing data integrity and confidentiality in real time, and black box system using thereof
KR101431718B1 (en) * 2013-03-18 2014-08-20 (주)에스디시스템 Accident Recording Apparatus Having Voice Signals Encrypting Function And, Voice Signals Encrypting Management System Including The Same
KR20140128839A (en) * 2013-04-29 2014-11-06 팅크웨어(주) Image-processing Apparatus for Car and Method of Processing Data Using The Same

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