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WO2004043033A1 - Procede et dispositif de transmission d'objets de donnees utiles codes - Google Patents

Procede et dispositif de transmission d'objets de donnees utiles codes Download PDF

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Publication number
WO2004043033A1
WO2004043033A1 PCT/EP2003/011963 EP0311963W WO2004043033A1 WO 2004043033 A1 WO2004043033 A1 WO 2004043033A1 EP 0311963 W EP0311963 W EP 0311963W WO 2004043033 A1 WO2004043033 A1 WO 2004043033A1
Authority
WO
WIPO (PCT)
Prior art keywords
tkg
message
user data
rights
notification message
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.)
Ceased
Application number
PCT/EP2003/011963
Other languages
German (de)
English (en)
Inventor
Markus Trauberg
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Priority to AU2003276197A priority Critical patent/AU2003276197A1/en
Publication of WO2004043033A1 publication Critical patent/WO2004043033A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
    • H04L51/07—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail characterised by the inclusion of specific contents
    • H04L51/10—Multimedia information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2463/00—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00
    • H04L2463/101—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00 applying security measures for digital rights management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
    • H04L51/58—Message adaptation for wireless communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/72445—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality for supporting Internet browser applications

Definitions

  • the present invention relates to a method for transmitting encrypted useful data objects which are to be made available on a switching component and are to be transmitted to a telecommunications device, such as a cell phone.
  • the present invention relates to a method by which encrypted useful data objects can be transmitted from a service provider to a telecommunication device in an efficient manner by means of the multimedia messaging service (MMS)
  • MMS multimedia messaging service
  • a method or service for the reliable and billable transmission of user data objects to a telecommunications device, in particular in the design of a mobile radio device or mobile telephone, in a data communication network is currently being discussed.
  • the transfer should or
  • the user data objects are downloaded to the mobile radio device using a protocol specified by the WAP forum (WAP: Wireless Application Protocol) or an Internet protocol (e.g. Hypertext Transfer Protocol: http).
  • WAP Wireless Application Protocol
  • HTTP Hypertext Transfer Protocol
  • a transmission service can be specified in such a way that a user with an application program available on the mobile radio device, which can be referred to as a transmission client or, in the case of a pure downloading of data, as a download client, is to be able to transmit any user data objects that are offered by one or more data provision components, in particular servers from service providers or content providers, in the data communication network.
  • ger type such as, for example, multimedia data. It is provided that a user data object to be transmitted is provided with restrictions or restrictions regarding the use by the receiver or user of the mobile radio device. For example, the number of uses of the user data object or the duration of use can be restricted.
  • the practical implementation is carried out by describing the restrictions with a corresponding language, such as the ODRL (Open Digital Rights Language), whereby the transfer client or another special application, a so-called DRM agent, for managing the with a (digital) Rights linked to the user data object (DRM: Digital Rights Management) receives the rights description, evaluates them, stores them in a protected memory area on the mobile radio device that is not accessible to the user and grants the rights when the user requests to use the object in accordance with the rights description.
  • DRM Digital Rights Management
  • a user data object provided by a data provision component is encrypted and transferred to a telecommunication device such as a mobile radio device, packaged in a so-called container file or a so-called container object (which has, for example, been assigned the data type or content type "Application / VND. OMA. DRM. Content”).
  • a telecommunication device such as a mobile radio device
  • container file or a so-called container object (which has, for example, been assigned the data type or content type "Application / VND. OMA. DRM. Content”).
  • WAP protocols such as the WSP: Wireless Session Protocol
  • Internet protocols such as the http
  • a so-called rights object is transmitted to the telecommunication device via a secure channel, for example automatically using WAP push.
  • the rights object contains a description of the rights that are granted to the user to use the encrypted user data object, a reference to the container object, which enables the rights object to be assigned to the corresponding container object, and a key with which the encrypted user data object is decrypted can use it afterwards.
  • a special device or application is required on the telecommunications device, such as the mobile radio device, which can be the DRM agent mentioned above.
  • the rights object After the transfer of the rights object to the telecommunication device, the rights object is transferred directly to the DRM agent, who is responsible for the administration and protection of the secret, namely the key for decrypting the encrypted user data object.
  • the DRM agent stores the rights object protected against unauthorized access by other applications or users on the telecommunications device. If an encrypted user data object is to be used, the DRM agent is activated first.
  • the value of digital data is no longer represented by the (encrypted) user data object or the container object itself, but rather by the rights object and the key contained therein, without which the encrypted user data object would not is usable.
  • the encrypted useful data objects can thus be packaged and stored in the container objects in a freely accessible manner on the telecommunications device.
  • the (encrypted) useful data objects to be transmitted can be data objects with multimedia content and thus data with a large scope, a service with a large transmission capacity is required for a corresponding transmission of such data.
  • multimedia messaging service specified by the 3GPP (3rd Generation Partnership Project) and the OMA is able to transmit and transmit multimedia messages to and from mobile communication subscribers.
  • a method for transmitting encrypted user data objects, to which a respective separate rights object is assigned that contains the key and the usage rights for the assigned user data object includes the following steps.
  • a recipient notification message is sent to a telecommunications device, such as a mobile radio or mobile phone, etc., wherein the recipient notification message comprises a recipient notification message that indicates that a certain user data object is provided for the telecommunication device on a switching component, such as a server of a transmission service.
  • a delivery request message relating to the specific useful data object is transmitted from the telecommunication device to the switching component, which instructs the switching component to deliver the useful data object to the telecommunication device.
  • a delivery message with the requested user data object is transmitted in encrypted form from the switching component to the telecommunication device.
  • a particularly efficient method is finally achieved if the legal object associated with the requested encrypted useful data object is transmitted to the telecommunication device together with the recipient notification.
  • two separate contents namely the recipient notification message and the rights object, are transferred to the telecommunication device in a single recipient notification message and thus in a single method step.
  • the messages between the switching component and the telecommunication device are transmitted to and from the telecommunication device by means of the MMS, and in particular by means of WAP protocols, it is therefore only necessary to have a single AP push message as the recipient notification message to transfer to the telecommunication device.
  • the method for transmitting encrypted user data objects takes place according to an advantageous embodiment according to the multimedia messaging service (MMS), the respective messages being transmitted as multimedia messages (MM) in the context of the MMS between the switching component and the telecommunication device.
  • MMS multimedia messaging service
  • the telecommunication device can include a radio module, and in particular can be designed as a mobile phone, a cordless phone, or a portable computer.
  • messages can then be transmitted to and from the telecommunication device using WAP protocols or the Hypertext Transfer Protocol (http).
  • the telecommunication device and possibly further telecommunication devices as well as the switching component are part of a telecommunication network.
  • the one or more telecommunication devices can be part of a first telecommunication network (in the case of several telecommunication devices, however, these do not have to be part of the same telecommunication network).
  • the switching component which is designed in particular as a server of a data transmission service, for example as an MMS relay server, can be provided in a second telecommunication network which is connected to the telecommunication network or networks which are associated with the further telecommunication device or devices ,
  • This second telecommunications network can in particular be designed as a telecommunications network based on Internet protocols such as the Hypertext Transfer Protocol.
  • the telecommunications Ons réelle (or also the other telecommunications devices) preferably be designed as a mobile telecommunications device and in particular include a radio module or mobile radio module.
  • the telecommunications device can also comprise other devices that can be reached by mobile devices, such as a personal computer (PC) or a laptop, which can be reached by means of a connected mobile device (mobile phone) via a mobile radio network.
  • PC personal computer
  • laptop which can be reached by means of a connected mobile device (mobile phone) via a mobile radio network.
  • the mobile radio device can then be connected to the personal computer or laptop, for example via a cable, or can also contact the latter wirelessly via an infrared interface or a local Bluetooth network.
  • a telecommunications device such as the mobile radio device, including the telecommunications network assigned to it, can operate in the design of a mobile radio network in accordance with the GSM (Global System for Mobile Communication) standard or the UMTS (Universal Mobile Telecommunications System) standard, etc.
  • GSM Global System for Mobile Communication
  • UMTS Universal Mobile Telecommunications System
  • Such mobile radio networks or telecommunication devices according to the GSM or UMTS standard can represent a platform for WAP protocols or the WAP protocol stack (WAP: Wireless Application Protocol) by means of which data (messages or user data objects) in each case Cellular network are transferable.
  • WAP Wireless Application Protocol
  • the first and the second telecommunication networks are advantageously connected to one another by a connection component.
  • a WAP protocol stack is used, as mentioned above, it is possible to use a WAP gateway as an interface or connection component between a mobile radio network and another network, for example a network based on an Internet protocol to create a connection to this.
  • the switching components it is possible for the switching components to be located in a network based on an Internet protocol, such as the Internet, the data (messages, user data objects) via a WAP gateway and finally via an air interface of a mobile radio network between the base station or stations Mobile network and can be transmitted to the respective telecommunications devices by users.
  • messages can be sent from the MMS relay server as a switching component automatically, ie without a telecommunications device being requested, to a telecommunications device using WAP push.
  • the MMS relay server serves as a so-called push initiator, which causes the WAP gateway or a sub-component thereof, namely the push proxy gateway, to send a message to the telecommunication device using WAP push.
  • the recipient notification message is transmitted to the telecommunication device using WAP push.
  • the rights object already exists on the receiving telecommunication device.
  • the recipient i.e. the user of the receiving telecommunication device, in case of doubt after the arrival of the encrypted user data object (e.g. with multimedia content), does not have to be referred to the later possible use if, according to the state of the art, the rights object has been transferred separately to the telecommunication terminal.
  • the specific user data object is Provisioning component is sent to the switching component for forwarding to the telecommunications device.
  • the specific user data object can already be sent in encrypted form from the data preparation component together with the associated rights object to the switching component.
  • the data provision component can be designed as a server of a data service provider, which, like the switching component, is arranged in a network based on an Internet protocol and is connected to the switching component.
  • the data provision component it is also possible for the data provision component to be designed as a further telecommunication device of a user, for example in the form of a mobile radio device or cell phone or a computer etc. (see also above for the possible design of the telecommunication device).
  • the rights object can be integrated in the notification of the recipient notification.
  • the multimedia messages have so-called header fields (“header fields *), which indicate which type of MM it is, which version of the MMS it is, etc.
  • header fields * indicate which type of MM it is, which version of the MMS it is, etc.
  • the recipient notification message More specifically, its recipient notification message comprise a plurality of header fields to which a respective field value is assigned, a header field assigned to the rights object being provided in the recipient notification message for integrating the rights object, the field value of which represents the rights object itself.
  • the rights object is not integrated directly in the context of a field value in the recipient notification message, but is attached to it.
  • the useful data objects can be data in the form of text data, image data or video data, audio data, executable programs or software components or a combination of these types of data, ie multimedia data or content.
  • a telecommunication arrangement comprising a switching component and at least one telecommunication device is created, the telecommunication arrangement being designed to carry out a method or an embodiment thereof.
  • FIG. 1 shows a block diagram which shows the flow of messages when a useful data object is delivered, for example with multimedia content in accordance with the MMS
  • FIG. 2 is a block diagram that shows the message flow when transmitting or downloading an encrypted user data object in accordance with the “separate” method.
  • FIG. 3 shows a block diagram that shows the message flow when transmitting or downloading an encrypted user data object in accordance with the “separate” method.
  • FIG. 4 is a block diagram that shows the message flow when transmitting or downloading an encrypted user data object by means of the MMS Transmission service represents in a new variant according to the invention to the method shown in Figure 3.
  • FIG. 1 in which the time profile (corresponding to the arrow "t" for the time) of a data transmission scheme or a message flow between components of a telecommunication arrangement for the delivery of a user data object with multimedia content according to the MMS transmission service is shown is.
  • the telecommunication arrangement for carrying out a method for transmitting useful data objects by means of the MMS comprises a data provision component DBK for providing or, in the case here, for sending useful data objects, a switching component VK for temporarily storing useful data objects, and a telecommunication device TKG.
  • the telecommunications device TKG is designed as a mobile phone which can work according to the UMTS standard. It is also assumed that the TKG, which is designed as a mobile phone, is part of a mobile radio network.
  • the TKG mobile phone is able to use WAP protocols (eg wireless session protocol: WSP, etc.) or the WAP protocol stack to send data via an air interface to a corresponding stationary transmission / reception arrangement of the A mobile phone assigned mobile network to transmit.
  • WAP protocols eg wireless session protocol: WSP, etc.
  • the data provision component DBK and the switching component VK can be provided in the mobile radio network assigned to the mobile telephone TKG or can be provided, for example, on the Internet, which is connected to the mobile radio network of the mobile telephone TKG via corresponding WAP gateways. Since the transmission of user data objects in the present case is to take place in accordance with the MMS, the switching component is designed as an MMS relay server, ie as a network component of an MMS transmission service provider.
  • the data ready Position component DBK in the example is a server of an additional service provider (e.g. provider of stock exchange news, business news etc.), which sends user data objects with certain (possibly multimedia) content to recipients, such as subscribers for certain content.
  • an additional service provider e.g. provider of stock exchange news, business news etc.
  • An MMS user application M-UA is provided on the mobile phone TKG, an application M-RS on the MMS relay server VK and a server application M-SA on the data provision component DBK.
  • the data provision component DBK would like to transmit a subscribed content to the mobile telephone TKG, it sends a corresponding user data object with the subscribed content by means of a message “M-Send.req” or “M-Sreq” to the MMS relay server VK. This confirms the receipt of the message with a message "M-Send.conf” or “M-Sconf". Thereupon a recipient notification or recipient notification message "M-Nind” is sent by WAP push from the MMS relay server VK to the mobile phone TKG. In the case shown, the mobile phone or its MMS application M-UA first answers the message "M-Nind” with a confirmation "M-NRind” for the recipient notification message.
  • the application M-UA sends a download request message "W-Greq" to the MMS relay server VK. This responds with a delivery message "M-Rconf" in which the user data object with the subscribed (possibly) multimedia content is contained. Finally, the application M-UA also confirms the delivery of the message "M-Rconf" with the delivery confirmation message "M-Aind". It should be noted that in the example, with the exception of the "M-Nind" message, all transactions take place via Hypertext Transfer Protocol (http) or via Wireless Session Protocol (WSP).
  • http Hypertext Transfer Protocol
  • WSP Wireless Session Protocol
  • FIG. 2 a general chronological sequence (corresponding to the arrow “t” for the time) for downloading an encrypted user data object or DRM-protected media object according to the “separate delivery” method is shown.
  • the preceding process of an agreement on the content and its form on the basis of the communicated properties of the terminal or of the TKG mobile phone is not shown.
  • the transmission process is to take place between two components already known from FIG. 1, namely between the MMS relay server VK and the mobile telephone TKG.
  • FIG. 2 a general chronological sequence for downloading an encrypted user data object or DRM-protected media object according to the “separate delivery” method
  • a DRM is used on the mobile phone TKG for the transmission or management of encrypted or DRM (digital rights management) protected user data objects (see also the explanations regarding the management of protected user data objects at the beginning of the registration) -Application or DRM agent DRM-C and on the MMS relay server VK a DRM application or DRM agent DRM-S is used.
  • the DRM-C application first sends a request message “DRM-Greq” for downloading the encrypted user data object (with a desired content) to the terminal device to the MMS relay server in order to transmit or download an encrypted user data object or its application DRM-S sent. This responds with the delivery or delivery message "DRM-CR" of the encrypted user data object. These transactions are based in particular on the http or WSP protocols.
  • the DRM-S application then sends the rights object assigned to the encrypted user data object, which transmits information for decrypting and granting user rights. falsf, via WAP push using the message "DRM-RO-P" to the application DRM-C.
  • FIG. 3 in which the temporal flow (corresponding to the arrow "t" for the time) of messages when transmitting an encrypted user data object according to the "separate delivery" method using the MMS transmission service according to a first possible variant is shown.
  • the method shown in Figure 3 represents an integration of the methods shown in Figures 1 and 2.
  • the first two message transmission steps of Figure 1 i.e. the transmission of one or more user data objects from the data provision component DBK to the MMS relay server VK (cf. steps "M-Sreq” or "M-Sconf") has been omitted in FIG. 3.
  • the data provision component DBK has already transmitted an encrypted user data object with certain content together with a rights object assigned to the user data object to the MMS relay server VK, which is to be delivered to the mobile phone TKG.
  • the respective applications M-RS and DRM-S on the switching component VK or the applications M-UA and DRM-C on the mobile phone TKG now interact for the transmission of encrypted user data objects including assigned rights objects by means of the MMS ( see also the explanations regarding the management of protected user data objects at the beginning of the registration).
  • the recipient or the mobile phone TKG of the recipient is notified in accordance with FIG. 1 by means of the message “M-Nind” about the presence of a useful data object on the MMS relay server VK.
  • the TKG mobile phone confirms this notification by means of a "M-NRind” message, it also requests delivery by means of the "W-Greq” message and finally receives this
  • the encrypted form is sent to the MMS relay server VK as part of the delivery message "M-Rconf”.
  • the TKG mobile phone then confirms delivery with the message "M-Aind”.
  • the rights object is transmitted to the mobile telephone TKG by WAP push using the rights transmission message “DRM-RO-P”.
  • FIG. 4 in which a variant of the method explained in FIG. 3 for transmitting an encrypted user data object by means of the MMS transmission service is shown.
  • the method shown in FIG. 4 essentially corresponds to the method shown in FIG. 3 (which is why reference is made to the explanation of FIG. 3 for the explanation of the same method steps or the same messages (transmissions)), but has two essential differences.
  • the message "DRM-RO-P" is omitted and on the other hand the message "M-Nind" is replaced by the message "M-Nind2".
  • the method according to FIG. 4 is particularly advantageous if user data objects or contents are supplied to customers by additional service providers.
  • content is often offered as a subscription.
  • the customer is not billed for every delivery of content individually. Rather, a certain service is compensated with a flat-rate settlement.
  • the rights objects can then also be transferred before the content.
  • the content or user data objects are sent from servers of the additional service providers (cf. data provision component DBK) to the MMS relay server VK, which sends its contents to the telecommunications devices of subscribers or recipients via a WAP gateway.
  • DBK data provision component
  • a rights object can be displayed in two different formats, both of which are based on the eXtensible Markup Language (XML): 1. "application / vnd.oma.drm.rights + xml": the textual form for displaying rights objects; or
  • the rights object can be attached as a separate object to the recipient notification message in the recipient notification message, as is the case with the
  • Multipurpose Internet Mail Extension (MIME - Internet Engineering Task Force: Request For Comments 2045 ff.) Is possible.
  • the rights object can also be integrated in a header field of the recipient notification message to be redefined, which would change little the previous definition of the recipient notification message, since recipient notification messages have so far only consisted of header spiders, each of which has a name and have a value.
  • Receiver notification message (M-Nind2") according to the advantageous embodiments A) and B) explained in more detail. be tert.
  • MMS Receiver notification message
  • the integration of a rights object into a recipient notification message takes place as an additional header field, which is given the name "X-Mms-Rights-Object" as an example.
  • the following table shows the header fields for an MMS recipient notification message including the new header field "X-Mms-Rights-Object" (which has a double border).
  • X-Mms-Rights-Object Value-length RightsObject; with - Value-length: length specification for the remaining information of the header field,
  • the recipient notification can have the structure shown below, the header fields being shown as text for the sake of clarity.
  • binary codes are used for a standard-compliant transmission to the data communication terminal:
  • MMS recipient notification message (“M-Nind2") sent from M-RS to M-UA (rights object integrated as header)
  • X-Mms-Message-Type m-notif ication-ind
  • X-Mms-Transaction-ID TRANSACTION ⁇ ID # l From: userA ⁇ operatorA
  • X-Mms-Message-Size XXX (size of the associated MMS delivery message)
  • a rights object is integrated in the MMS recipient notification message of a recipient notification message.
  • several rights objects for several individual encrypted user data objects or media objects in the delivery message are also possible.
  • Backward compatibility for MMS user applications on telecommunication devices without the support of the additional DRM functionality, ie the ability to handle encrypted user data objects, is easily possible with the method presented here. According to the OMA / WAP specification, MMS user applications should simply ignore unknown header fields and discard their content.
  • Design B Integration of the rights object in the form of an object additionally attached to the MMS recipient notification message
  • MMS recipient notification message may contain objects of the type "application / vnd.oma.drm.rights + wbxml" as an attachment: MMS recipient notification message ("M-Nind2") sent from M-RS to M-UA (rights object integrated as an attachment)
  • X-Mms-Message-Type m-notification-ind
  • X-Mms-Transaction-ID TRANSACTION-ID # 2 From: userA ⁇ operatorA
  • X-Mms-Message-Size XXX (size of the associated MMS delivery message)
  • X-Mms-Content-Location www.OperatorA.de/mms-inbox/ABCD.12345
  • Subject A DRM-protected object Content-Type: application / vnd. granny. drm.rights + wbxml
  • the rights object is not given a special status vis-à-vis other objects that could possibly also be sent by MMS recipient notification message.

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Abstract

L'invention concerne un procédé de transmission d'objets de données utiles codés (NDO), en particulier au moyen du service MMS (Multimedia Messaging Service), auxquels est associé un objet de droits (RO) respectif séparé qui contient la clé et les droits d'utilisation concernant l'objet de données utiles associé. Selon ledit procédé, un message de notification pour récepteur (M-Nind2) est transmis à un dispositif de télécommunication (TKG), par exemple un téléphone mobile ou un ordinateur portable, ce message de notification pour récepteur comprenant des informations de notification pour récepteur qui indiquent qu'un objet de données utiles particulier est disponible pour le dispositif de télécommunication, sur un composant de commutation (VK). En outre, un message de demande de remise (W-Greq) concernant l'objet de données utiles particulier est transmis par le dispositif de télécommunication au composant de commutation auquel il est alors demandé de remettre l'objet de données utiles au dispositif de télécommunication. Un message de remise comportant l'objet de données utiles demandé est transmis sous forme codée par le composant de commutation au dispositif de télécommunication. On obtient ainsi un procédé particulièrement efficace lorsque l'objet de droits associé à l'objet de données utiles demandé est déjà transmis avec la notification pour récepteur au dispositif de télécommunication.
PCT/EP2003/011963 2002-11-04 2003-10-28 Procede et dispositif de transmission d'objets de donnees utiles codes Ceased WO2004043033A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003276197A AU2003276197A1 (en) 2002-11-04 2003-10-28 Method and device for the transmission of encoded useful data objects

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DE10251222A DE10251222A1 (de) 2002-11-04 2002-11-04 Verfahren zum Übertragen von verschlüsselten Nutzdatenobjekten
DE10251222.1 2002-11-04

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WO2004043033A1 true WO2004043033A1 (fr) 2004-05-21

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Cited By (2)

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US10050948B2 (en) 2012-07-27 2018-08-14 Assa Abloy Ab Presence-based credential updating

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Publication number Priority date Publication date Assignee Title
US10001791B2 (en) 2012-07-27 2018-06-19 Assa Abloy Ab Setback controls based on out-of-room presence information obtained from mobile devices
US10050948B2 (en) 2012-07-27 2018-08-14 Assa Abloy Ab Presence-based credential updating
US10606290B2 (en) 2012-07-27 2020-03-31 Assa Abloy Ab Controlling an operating condition of a thermostat

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DE10251222A1 (de) 2004-05-19

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