CN100455087C - Signature message generation apparatus of mobile communication terminal and generation method thereof - Google Patents
Signature message generation apparatus of mobile communication terminal and generation method thereof Download PDFInfo
- Publication number
- CN100455087C CN100455087C CNB200610072624XA CN200610072624A CN100455087C CN 100455087 C CN100455087 C CN 100455087C CN B200610072624X A CNB200610072624X A CN B200610072624XA CN 200610072624 A CN200610072624 A CN 200610072624A CN 100455087 C CN100455087 C CN 100455087C
- Authority
- CN
- China
- Prior art keywords
- multimedia message
- signature data
- communication terminal
- mobile communication
- personal code
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/20—Services signaling; Auxiliary data signalling, i.e. transmitting data via a non-traffic channel
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
Abstract
The provided signature information generation device for wireless communication terminal comprises: a signature data generation part to endow user code into the signature image and generate signature data, a coding part, and a MMS treatment part to generate multimedia information. This invention can improve the confidence level of multimedia information.
Description
Technical field
Authentication method when the Multimedia Message (MM:Multimedia Message) that the present invention relates to mobile communication terminal transmits relates in particular to the Multimedia Message authenticate device and the method for mobile communication terminal.When transmitting Multimedia Message in the present invention, add not to other people by digital copyright management (DRM:Digital RightManagement) and to send the signature message of (Forwarding) and transmit, simultaneously, make opposite mobile communication terminal transmit the affirmation message corresponding, thereby make transmit leg confirm that the other side has received Multimedia Message with above-mentioned signature message to the transmit leg mobile communication terminal.
Background technology
When transmitting Multimedia Message (MM) in the prior art, generally the mode according to Multimedia Message service (MMS:Multimedia Message Service) standard appointment transmits.
Above-mentioned standard based on MMS is made by 3GPP, wherein, according to the document content of the Multimedia Message recall (MM recall) of putting down in writing 3GPP TSG TS# 13, will control the Multimedia Message that transmits by Multimedia Message recall (MMrecall) function afterwards.
In control operation afterwards to the Multimedia Message that transmits, with carry out message deletion when not being sent to the recipient, at the request time of initially posting a letter of the message that transmits set (Set the earliest desiredtime of delivery for the message), at last do not post a letter the message out-of-service time set (Setthe desire time of expiry for the message), message sink acknowledges requests (read-reply) waits to handle and operates.
But, in Multimedia Message (MM) service of the mobile communication terminal of above-mentioned prior art, also do not provide transmit leg and confirm to send the method whether message accurately sends the recipient to and confirm.
And in the prior art, the recipient also can't confirm transmit leg, can't carry out the authentication operation whether effective to transmit leg.
Summary of the invention
For solving problems of the prior art, the object of the present invention is to provide a kind of Multimedia Message authenticate device and method of mobile communication terminal.When transmitting the Multimedia Message (MM) of mobile communication terminal in the present invention, transmit leg generates the signature data that are used to discern oneself, and after by digital copyright management (DRM:DigitalRight Management) mode the signature data that generate being sent locking (forward-lock) and encode, the data of will signing are inserted in Multimedia Message and set in Multimedia Message when receiving acknowledges requests (read-reply) transmission, the recipient transmits by above-mentioned signature data validation transmit leg and to transmit leg and receives acknowledges requests (read-reply) message, thereby makes transmit leg confirm that the recipient receives the state of Multimedia Message.
For achieving the above object, a kind of Multimedia Message authenticate device of mobile communication terminal is provided among the present invention, comprising: signature data generating unit, give personal code work and generate the signature data to camera filmed image signature image; Encoding section is carried out encoding operation to the signature data that generate in the described signature data generating unit; Multimedia Message service (MMS) handling part, generation has the Multimedia Message of the signature data of the numeralization that generates in the described encoding section, and setting receives acknowledges requests when generating this Multimedia Message, the recipient replys the reception acknowledges requests of transmit leg, and informs transmit leg by receiving acknowledges requests message.
Comprise in the described signature data generating unit: signature data interface portion is used to export described signature image and receives personal code work (code); The metamessage generating unit is used for the personal code work by the input of described signature data interface portion is converted to metamessage (meta information); Image format conversion portion, be used for described signature image transitions comprise for shelves head (head) the metamessage form personal code work particular image format and generate the signature data.
Described signature data are carried out numeralization by encryption algorithm (algorithm).
Described encoding section sends locking (Forward-lock) coding by the digital copyright management mode to described signature data.
Described MMS handling part is set when generating Multimedia Message and is received acknowledges requests (Read-Reply).
Corresponding the replying of Multimedia Message that receives acknowledges requests (Read-Reply) with the setting of described MMS handling part is the response message that includes the personal code work of described signature data.
For achieving the above object, the present invention also provides a kind of Multimedia Message authentication method of mobile communication terminal, comprises following several steps: the signature data of giving personal code work and generation signature data in camera filmed image signature data generate step; The coding step that described signature data are carried out numeralization; Multimedia Message generation and transfer step that generation includes the Multimedia Message of the signature data of encoding in the described coding step and transmits, in this Multimedia Message generation and transfer step, receive acknowledges requests by Multimedia Message recall function setting in the described Multimedia Message; The recipient replys the reception acknowledges requests of transmit leg, and informs transmit leg by receiving acknowledges requests message.
Described signature data generate in the step and comprise: prepare the sign signature image preparation process of image of user; Import the personal code work input step of described signature image and personal code work; Behind described personal code work input step, described personal code work is converted to metamessage and is particular image format with described signature image transitions, the metamessage that will have described personal code work simultaneously is inserted in the shelves head of described particular image format and generates the signature data creating step of signature data.
Described signature data generate in the step and also comprise: after described signature data creating step described signature data are transmitted the signature data entry step of logining at MMS Relay/Server (MMSC:Multimedia Message Service Center).In this step, described signature data will transmit login in MMSC by the MMSBOX function.
For preventing transmission again and exterior storage, by the digital copyright management mode described signature data are sent locking coding (DRM Forward-lock: digital copyright management sends locking) in the described coding step to user's signature data.
In described Multimedia Message generation and transfer step, by Multimedia Message recall (MM recall) function setting reception acknowledges requests (Read-Reply) is arranged in the described Multimedia Message, can confirm the accepting state of Multimedia Message from the recipient.
Also comprise: after described Multimedia Message generation and transfer step, the recipient's mobile communication terminal that receives described Multimedia Message transmits the confirmation of receipt step of the accepting state of described Multimedia Message to the transmit leg mobile communication terminal.
Include personal code work in the response message corresponding in the described confirmation of receipt step with described reception acknowledges requests (Read-Reply).
As mentioned above, in the Multimedia Message authenticate device and method of mobile communication terminal of the present invention, the intrinsic personal code work of input transmit leg in the signature image that transmit leg is made in person, generate the signature data and it is included in and send the other side in the Multimedia Message to, like this, can carry out authentication operation to the transmit leg of Multimedia Message, and, the recipient extracts the personal code work of transmit leg and sends transmit leg to as the confirmation of receipt response message, make transmit leg can confirm that the recipient accurately receives the state of Multimedia Message, and can improve the confidence level of Multimedia Message thus.
And, in the Multimedia Message authenticate device and method of mobile communication terminal of the present invention, user's signature data can be used as personal authentication's means.
Description of drawings
Fig. 1 is the structured flowchart of the mobile communication terminal of the generating apparatus that is used to generate signature message when Multimedia Message transmits of being provided with in one embodiment of the invention;
Fig. 2 is the flow chart of the Multimedia Message authentication method processing procedure of the Multimedia Message in one embodiment of the invention when transmitting;
Fig. 3 is the sub-process figure (sub routine) of the detailed process process of making of the Multimedia Message in the processing procedure of Fig. 2.
The symbol description * * * of * * accompanying drawing major part
10: travelling carriage modulator-demodulator MSM 20: signature data generating unit
40:DRM control part (Digital Right Management Controller)
30:MMS handling part 50: storage part
60: camera 70: radio-frequency part
Embodiment
With reference to the accompanying drawings the present invention is described in more detail.
Fig. 1 is the structured flowchart of the mobile communication terminal of the generating apparatus that is used to generate signature message when Multimedia Message transmits of being provided with in one embodiment of the invention.
As shown in Figure 1, comprise in the mobile communication terminal of the present invention: the travelling carriage modulator-demodulator (MSM:Mobile Station Modem) 10 that is used to control functions such as the data processing such as numeralization/decodingization of mobile communication service and signal transmitting and receiving as control part; Be used to generate the signature data generating unit 20 of the signature data that will be included in Multimedia Message and transmit; Be used to receive and dispatch the MMS handling part (Multimedia Message Service Controller) 30 of Multimedia Message (MM:Multimedia Message); Be used to carry out DRM control part 40 to the DRM numeralization operation of signature data; Storage part 50 with the secure data zone (Secure Data Region) 51 that is used for store driver information and DRM key information.In addition, identical with structure of the prior art, also comprise camera 60, radio-frequency part 70, display part (not shown), audio output part (not shown) and the key input part (not shown) etc. that are used for photographic images.
Wherein, after described signature data generating unit 20 is obtained the signature image of user's signature, be converted into particular image format (for example JPEG) etc., at this moment, the personal code work of user input is added on the shelves head of picture format as metamessage, and makes and have the sign signature data of image of the user who comprises personal code work.For this reason, comprise in the described signature data generating unit 20: be used to export sign image and can import the signature interface portion 21 of the user interface of personal code work of user; The image format conversion portion 22 that is used for conversion image data; Be used for personal code work is converted to the metamessage generating unit 23 of metamessage.Wherein, described personal code work is used to discern the intrinsic identity of user, and it can be selected some in user's intrinsic identification users' such as electromagnetic interference (EMI) the information of ID card No., mobile communication terminal and use.
Below MMS handling part 30 is described.
Can comprise in the described MMS handling part 30: Multimedia Message (MMS) control part, high-speed serial transport unit, Multimedia Synchronizer portion, display part control part, image processing part, camera interface portion, speech coder, USB-OTG (USB on the go), GPIO (General Purpose Input/Output Pin) etc.
Described Multimedia Message service (MMS) control part can be by ARM chip and digital signal processor (DSP:Digital Signal Processor) formations such as ARM926Ej.Wherein, the MMS handling part that is made of advanced RISC machines (ARM:Advanced RISC Machine) chip carries Advanced RISC control command statement and execution command process operation at a high speed in inside, described digital signal processor DSP is carried out the signal processing operations to multimedia digital data, but whole data processing, data input and output and the data transfer operation of the described Multimedia Message service of High-speed Control (MMS) control part.
Described high-speed serial transport unit can be by UART Universal Asynchronous Receiver Transmitter formations such as (UART:Universal AsynchronousReceiver/Transmitter), make the data handled in described Multimedia Message service (MMS) control part and the control part of mobile communication terminal, promptly travelling carriage modulator-demodulator (MSM) 10 communicates by the high-speed serial data mode.
The inside of described Multimedia Synchronizer portion is carried as extending mark language (XML) and is used one synchronous multimedia integrate language (SMIL:SynchronizedMultimedia Integration Language) in (Application), and the timeliness of its definition multimedia materials, spatiality relation make synchronization and generate Multimedia Message.
Described display part control part is made of LCD interface (interface), and it is used to control the picture output of the display part that is made of LCD.
Described image processing part is used to carry out image processing operations such as image transitions such as GIF, JPEG, BMP, compression.
Described camera interface portion is used for the signal of video signal that camera 60 is taken is converted to the image datas such as VGA mode that the Multimedia Message control part is handled.
Described speech coder is used for the voiceband data signal of audio treatment part input is decoded, and it is by expanding many chords MIDI (SP-MIDI:Scalable Polyphony MIDI (Musical InstrumentDigital Interface; Or adaptive multi-rate narrow-band (the AMR-NB:Adaptive Multi Rate-Narrow Band) audio codec of etc.ing of the single-tone of per second sampling 8kHz formation the digital interface of musical instrument)).
Described USB-OTG (USB on the go) is that the USB relevant apparatus with the conceptive establishment of main frame-external device expands to P2P (peer-to-peer; The equity networking) technology of notion, it provides the Universal USB interface at the USB linked set.
Described universal input/output interface (GPIO:General Purpose Input/Output Pin) is used to the interface that provides corresponding with keypad.
Having as above in the present invention, the principal character function of the MMS handling part 30 of structure is, utilizing SMIL to generate in the process of Multimedia Message (MM:Multimedia Message) in slide plate (Slide) mode, to be inserted in the last slide plate of Multimedia Message by the signature data that the DRM mode of following explanation is encoded, and in the Multimedia Message that generates, set reception acknowledges requests (Read-Reply).
Below described DRM control part 40 is described.
At first, digital copyright management (DRM:Digital Right Management) is the safety issue that is used to guarantee the charged content (contents) by the Internet, the more important thing is in order to prevent illegal distribution by OAM (Operation And Maintenance; Operation and maintenance) etc. the numeralization technology of exploitation is a kind of.That is, DRM is set with the multi-medium data of digital permission (license) as broadcast and uses in mobile communication terminal.But in one embodiment of this invention, it is DRM Forward-Lock that described DRM control part 40 generates the signature digital coding of inserting in the process of Multimedia Message by the DRM technology with described MMS handling part 30.That is, above-mentioned signature data will output to recipient's mobile communication terminal but forbid sending to other mobile communication terminal or other media under the situation that is encoded to DRM Forward-Lock.
Storage is used for safety-key information that DRM encodes to the multi-medium data that is set with digital permission etc. in the secure data zone 51 of described storage part 50, it is for conducting interviews by general application program (application), and the data area that only permission is visited under core level (core level).
Fig. 2 is the flow chart of the Multimedia Message authentication method processing procedure of the Multimedia Message in one embodiment of the invention when transmitting; Fig. 3 is the sub-process figure (sub routine) of the detailed process process of making of the Multimedia Message in the processing procedure of Fig. 2.
The processing procedure that is used to transmit the signature data when Multimedia Message in the 2 pairs of one embodiment of the invention transmits with reference to the accompanying drawings describes.
As shown in the figure, after the user takes the signature of oneself making by the camera 60 of mobile communication terminal, the signature interface portion 21 of signature data generating unit 20 reads the image of shooting, and will carry out and generate image shelves head part and insert the sign signature data generation step (seeing step S10) of data of the user of the intrinsic code of user.
The detailed process process of 3 pairs of S10 steps is elaborated with reference to the accompanying drawings.
At first, drive the signature interface portion 21 of described signature data generating unit 20, the output user utilizes the mobile communication terminal camera of oneself to take the signature image of oneself making in person and storing, or output is by the signature image of storage such as downloaded, and this process is called signature image preparation process (seeing step S11).
Then, the user imports the personal code work that will be included in the signature image by signature interface portion 21.The personal code work of input this moment is used for intrinsic identification user's identity, and it can be chosen to be user's ID card No., the EMI of mobile communication terminal etc. arbitrarily by the user, and this process is called personal code work input step (seeing step S12).
Then, after the signature interface portion of described signature data generating unit 20 21 drives image format conversion portions 22 and metamessage generating unit 23, transmit user sign image and personal code work.Subsequently, the signature image transitions that described image format conversion portion 22 will receive is a particular image format, 23 of metamessage generating units are inserted in personal code work in the shelves header of the image with particular image format as metamessage, after the generation signature data it is stored in the zones of distributing in the mobile communication terminal storage part 50 such as secure data zone (SecureData Region) 51.In an embodiment of the present invention, used jpeg format as an example of above-mentioned particular image format, metamessage then is set at the EXIF metamessage, and this process is called signature data creating step (seeing step S13).
For improving the public credibility about personal authentication's operation, the signature data of making in the above-mentioned S13 step can transmit and be stored in the generally acknowledged MMS Relay/Server (MMSC:Multimedia Message ServiceCenter).For this reason, judge whether will make in the S13 step the signature data transmit and be stored among the MMSC and (see step S14).
The result who judges in above-mentioned S14 step when the signature data are not stored under the situation of MMSC, will turn back to the treatment step among Fig. 2 and carry out the S20 step; In contrast, when the data of will signing transmit and are stored under the situation of MMSC, utilize the MMBOX function data of will sign to transmit and login at MMSC and store.Simultaneously, MMSC is divided into the signature data in addition with it and together stores with user profile, and the authenticated data that the signature data of storing among the described MMSC can be used as at user's generally acknowledged authentication uses, and this process is called signature data entry step (seeing step S15).
Referring again to accompanying drawing 2 below describes, after carrying out the S10 step by the process of above-mentioned accompanying drawing 3, when the user asks to make the Multimedia Message (MM:Multimedia Message) with signature data, DRM control part 40 will be carried out the DRM coding step, that is, utilize OAM DRM that the signature digital coding that generates in the above-mentioned S10 step is locked (Forward-lock) function for having to send.Carry out the signature data of DRM coding in the above-mentioned steps and will export to opposite mobile communication terminal, but will prevent that simultaneously it from sending other mobile communication terminal or other storage medium (seeing step S20) to.
At the DRM encoding operation by the S20 step, the signature data are carried out after the DRM coding makes it have the Forward-lock function, MMS handling part 30 will utilize SMIL and generate Multimedia Message (MM) in slide plate (Slide) mode.In this process, the signature data of carrying out the DRM coding will be inserted in the last slide plate (Slide) of Multimedia Message.Then, described MMS handling part 30 is set reception acknowledges requests (Read-Reply) function in the document content that records 3GPP TSG TS# 13 multimedia recall (MM recall) in described Multimedia Message, and the Multimedia Message that will be set with described reception acknowledges requests (Read-Reply) function sends recipient's mobile communication terminal to, and this process is called Multimedia Message and generates and transfer step (seeing step S30).
Then, receive recipient's mobile communication terminal of the Multimedia Message in the S30 step, the signature extracting data that will comprise from the last slide plate of Multimedia Message the personal code work of the shelves header that comprises as metamessage, at this moment, when the signature data are generated as in the S10 step under the situation of jpeg format, recipient's mobile communication terminal will be from the EXIF metamessage of JPEG shelves head the personal code work of acknowledged.Behind the personal code work of acknowledged, recipient's mobile communication generates at the response message that receives acknowledges requests (Read-Reply) according to Multimedia Message recall (MMrecall) agreement eventually, and send the personal code work of confirming to the transmit leg mobile communication terminal, make the transmit leg mobile communication terminal confirm that recipient's mobile communication terminal receives the state of Multimedia Message.Wherein, personal code work in the described response message will have textual form, for this reason, add the X-MMS-Read-Text that personal code work can be transmitted as response message and send recipient's mobile communication terminal in above-mentioned Read-Reply, this process is called confirmation of receipt step (seeing step S40).The signature digital coding that comprises in the Multimedia Message that recipient's mobile communication terminal receives in the S40 step is DRM Forward-lock, make the recipient in mobile communication terminal, can confirm described signature data, but can't pick up other storage or send other mobile communication terminal again to.That is, described signature data are used as a part of sealing the message in Multimedia Message up for safekeeping.
In above-mentioned treatment step, the personal code work that comprises in the signature data can use ASCII character, but improves the method that fail safe can be used coding transmission such as MD5 for making, and it can prevent to leak personal code work when carrying out numeralization.
The foregoing description only is used to illustrate the present invention, but not is used to limit the present invention.
Claims (11)
1. the Multimedia Message authenticate device of a mobile communication terminal is characterized in that, comprising:
Signature data generating unit is given personal code work and is generated the signature data to camera filmed image signature image;
Encoding section is carried out encoding operation to the signature data that generate in the described signature data generating unit;
Multimedia Message service processing portion generates the Multimedia Message of the signature data with the numeralization that generates in the described encoding section, and sets the reception acknowledges requests when generating this Multimedia Message,
The recipient replys the reception acknowledges requests of transmit leg, and informs transmit leg by receiving acknowledges requests message.
2. the Multimedia Message authenticate device of mobile communication terminal according to claim 1 is characterized in that, comprises in the described signature data generating unit:
Signature data interface portion is used to export described signature image and receives personal code work;
The metamessage generating unit is used for the personal code work by the input of described signature data interface portion is converted to metamessage;
Image format conversion portion, be used for described signature image transitions comprise for shelves heads the metamessage form personal code work particular image format and generate the signature data.
3. the Multimedia Message authenticate device of mobile communication terminal according to claim 2, it is characterized in that: described signature data are carried out numeralization by encryption algorithm.
4. the Multimedia Message authenticate device of mobile communication terminal according to claim 1 is characterized in that: described encoding section sends the locking coding by the digital copyright management mode to described signature data.
5. the Multimedia Message authenticate device of mobile communication terminal according to claim 1 is characterized in that: corresponding the replying of Multimedia Message that receives acknowledges requests with the setting of described Multimedia Message service processing portion is the response message that includes the personal code work of described signature data.
6. the Multimedia Message authentication method of a mobile communication terminal is characterized in that, comprises following several steps:
The signature data of giving personal code work and generation signature data in camera filmed image signature data generate step;
The coding step that described signature data are carried out numeralization;
Multimedia Message generation and transfer step that generation includes the Multimedia Message of the signature data of encoding in the described coding step and transmits, in this Multimedia Message generation and transfer step, receive acknowledges requests by Multimedia Message recall function setting in the described Multimedia Message;
The recipient replys the reception acknowledges requests of transmit leg, and informs transmit leg by receiving acknowledges requests message.
7. the Multimedia Message authentication method of mobile communication terminal according to claim 6 is characterized in that, described signature data generate in the step and comprise:
Prepare the sign signature image preparation process of image of user;
Import the personal code work input step of described signature image and personal code work;
Behind described personal code work input step, described personal code work is converted to metamessage and is particular image format with described signature image transitions, the metamessage that will have described personal code work simultaneously is inserted in the shelves head of described particular image format and generates the signature data creating step of signature data.
8. the Multimedia Message authentication method of mobile communication terminal according to claim 7 is characterized in that, described signature data generate in the step and also comprise:
After described signature data creating step, described signature data are transmitted the signature data entry step of logining at MMS Relay/Server.
9. the Multimedia Message authentication method of mobile communication terminal according to claim 6, it is characterized in that:, by the digital copyright management mode described signature data are sent the locking coding in the described coding step for preventing transmission again and exterior storage to user's signature data.
10. the Multimedia Message authentication method of mobile communication terminal according to claim 6 is characterized in that, also comprises:
After described Multimedia Message generation and transfer step, the recipient's mobile communication terminal that receives described Multimedia Message transmits the confirmation of receipt step of the accepting state of described Multimedia Message to the transmit leg mobile communication terminal.
11. the Multimedia Message authentication method of mobile communication terminal according to claim 10 is characterized in that: include personal code work in the response message corresponding in the described confirmation of receipt step with described reception acknowledges requests.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050040569A KR100675180B1 (en) | 2005-05-16 | 2005-05-16 | Signature message creation apparatus and the method of the mobile communication terminal |
| KR1020050040569 | 2005-05-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1867139A CN1867139A (en) | 2006-11-22 |
| CN100455087C true CN100455087C (en) | 2009-01-21 |
Family
ID=37425988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200610072624XA Expired - Fee Related CN100455087C (en) | 2005-05-16 | 2006-04-05 | Signature message generation apparatus of mobile communication terminal and generation method thereof |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100675180B1 (en) |
| CN (1) | CN100455087C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100705024B1 (en) * | 2006-01-17 | 2007-04-09 | 엘지전자 주식회사 | Mobile communication terminal and method for displaying the receiver's checking on the attached file |
| WO2009145767A1 (en) * | 2008-05-29 | 2009-12-03 | Hewlett-Packard Development Company, L.P. | Method and system for transmitting and verifying signatures wirelessly |
| KR101113446B1 (en) * | 2010-12-13 | 2012-02-29 | 인하대학교 산학협력단 | System and method for transmiting certificate to mobile apparatus and system and method for transmiting and certifying data using multi-dimensional code |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1326422A2 (en) * | 2001-12-28 | 2003-07-09 | Itt Manufacturing Enterprises, Inc. | Digital multimedia watermarking for source identification |
| WO2003069823A2 (en) * | 2002-02-13 | 2003-08-21 | Nokia Corporation | Method and system for multimedia tags |
| WO2003094457A1 (en) * | 2002-05-01 | 2003-11-13 | Koninklijke Philips Electronics N.V. | Multimedia messaging method and system using watermarks |
| US20040187007A1 (en) * | 2003-03-18 | 2004-09-23 | Alcatel | Electronic stamp for multimedia messages |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100473000C (en) * | 2001-12-07 | 2009-03-25 | 高通股份有限公司 | Authentication in a hybrid communications network |
-
2005
- 2005-05-16 KR KR1020050040569A patent/KR100675180B1/en not_active IP Right Cessation
-
2006
- 2006-04-05 CN CNB200610072624XA patent/CN100455087C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1326422A2 (en) * | 2001-12-28 | 2003-07-09 | Itt Manufacturing Enterprises, Inc. | Digital multimedia watermarking for source identification |
| WO2003069823A2 (en) * | 2002-02-13 | 2003-08-21 | Nokia Corporation | Method and system for multimedia tags |
| WO2003094457A1 (en) * | 2002-05-01 | 2003-11-13 | Koninklijke Philips Electronics N.V. | Multimedia messaging method and system using watermarks |
| US20040187007A1 (en) * | 2003-03-18 | 2004-09-23 | Alcatel | Electronic stamp for multimedia messages |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1867139A (en) | 2006-11-22 |
| KR20060118102A (en) | 2006-11-23 |
| KR100675180B1 (en) | 2007-01-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8543813B2 (en) | Method and apparatus to implement valid mobile ticket transfer | |
| CA2286707C (en) | Method and system for accessing electronic resources via machine-readable data on intelligent documents | |
| US7562223B2 (en) | Multifunction device with secure job release | |
| CN101132293B (en) | Individual information processing method, system and device | |
| US20080203148A1 (en) | Mobile information retrieval over wireless network | |
| WO2003029988A1 (en) | Content delivery system, content delivery method, and client terminal | |
| WO2011160584A1 (en) | Short-range secure data communication method based on sound wave or audio, and apparatus thereof | |
| CN105474253A (en) | Method for contents delivery service using printed matter | |
| JPWO2005024645A1 (en) | Information processing server and information processing method | |
| JP2001242786A (en) | Device and method for distribution, and recording medium | |
| US20070064905A1 (en) | Telephone apparatus, telephone system and facsimile apparatus | |
| JP2007336556A (en) | System and method for facsimile communication safe in security | |
| US20110213978A1 (en) | Secure methods of transmitting and receiving data between terminals comprising near-field communication, and corresponding terminals | |
| CN101527909A (en) | Method for realizing access authentication, device thereof and mobile terminal | |
| CN102811369B (en) | Security authentication method during video sharing and handheld equipment | |
| CN100455087C (en) | Signature message generation apparatus of mobile communication terminal and generation method thereof | |
| CN101795315A (en) | System and method for encrypting short messages by using mobile phone terminal | |
| JP4883698B2 (en) | Key distribution method and system | |
| US20080125107A1 (en) | Transparent enforcement of bluetooth encryption | |
| US8612764B2 (en) | Method for secure transmission using a fax server, system and computer program for implementing this method | |
| CN108347730A (en) | A kind of wireless communication process method and device | |
| CN108415672A (en) | Output method and output device | |
| CN101674107A (en) | Method for transmitting encrypted electronic coupons by using Bluetooth | |
| CN1689270A (en) | Method and arrangement for authenticating a commodity of value delivered as a digital message | |
| CN100452814C (en) | Method of converting paper visiting card to electronic visiting card for communication device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: LANGCHAO LEJIN DIGITAL MOBILE COMMUNICATION CO., L Free format text: FORMER OWNER: LG ELECTRONIC (CHINA) RESEARCH + DEVELOPMENT CENTRE CO., LTD. Effective date: 20120312 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100022 CHAOYANG, BEIJING TO: 264006 YANTAI, SHANDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120312 Address after: 264006 No. 228 Changjiang Road, Yantai Economic Development Zone, Shandong, China Patentee after: Langchao Lejin Digital Mobile Communication Co., Ltd. Address before: 100022 Beijing city Chaoyang District Jianguomenwai Street No. 12 b Gemini building 18 layer tower Patentee before: LG Electronic (China) Research and Development Center Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090121 Termination date: 20140405 |