EP2206066A1 - Procede de gestion du temps d'exploitation d'un contenu - Google Patents
Procede de gestion du temps d'exploitation d'un contenuInfo
- Publication number
- EP2206066A1 EP2206066A1 EP08843803A EP08843803A EP2206066A1 EP 2206066 A1 EP2206066 A1 EP 2206066A1 EP 08843803 A EP08843803 A EP 08843803A EP 08843803 A EP08843803 A EP 08843803A EP 2206066 A1 EP2206066 A1 EP 2206066A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- validity
- content
- operator
- period
- user
- 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
Links
Classifications
-
- 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]
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2135—Metering
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2137—Time limited access, e.g. to a computer or data
Definitions
- the invention lies in the field of access control and more specifically relates to a method for managing the operating time in a user's terminal of a digital content provided by an operator, said content being protected by a right. access with a period of validity predefined by the operator.
- the invention also relates to a computer program stored on a medium and intended for the management of the operating time by a user of said content.
- the invention also relates to a terminal for receiving said content.
- DRM Digital Right Management
- CAS Conditional Access Systems
- the period of validity of the duty may also consist of a sliding time interval, that is to say of pre-determined duration but whose start date is a priori indeterminate and will be fixed as that of the first effective use of the time. content by the user.
- This situation may lead potential users to hesitate or even to forego the purchase or subscription to a service.
- the purpose of the invention is to allow an end user of a content to choose the moment to exploit the content for which he has acquired a right of access taking into account, on the one hand, his own personal constraints and / or professional and, on the other hand, possible failures of the network and / or the terminal in which the content is exploited.
- the object of the invention is achieved by means of a method for managing the operating time by a user of digital content provided by an operator, said content being protected by a right of access having a period of validity predefined by the operator.
- the user temporally shifts said period of validity within limits predefined by the operator if the exploitation of the content has not yet started at said instant t, and if the exploitation of said content has already begun at said instant t, the user temporally shifts the portion not yet expired of said validity period within the limits predefined by the operator.
- the management of the exploitation time of the content consists of advancing or delaying the date T1 and the date T2 of the same time offset.
- the management of the content exploitation time may consist of temporarily suspending the exploitation of said content for an indefinite period.
- the management of the exploitation time of the content when the period of validity of the right is delimited only by a validity start date T1, the management of the exploitation time of the content consists in shifting said validity start date Tl within the limits predefined by the operator, and when the period of validity of the right is delimited only by a validity end date T2, the management of the content exploitation time consists of shifting said validity end date T2 within the limits predefined by the operator.
- the limits predefined by the operator comprise:
- the limits predefined by the operator comprise a maximum number of applications of each of the operations of advancement, delay and suspension, to the right considered.
- the limits predefined by the operator comprise authorized maximum permissible advance or delay times, that is to say the maximum amplitudes authorized for an advance or a delay of the right considered.
- the limits predefined by the operator comprise maximum cumulative periods of advancement or delay allowed, that is to say the maximum accumulated magnitudes allowed for all advancements or delays in the right in question.
- the operator sets the period during which the user can require the management of the exploitation time of the content.
- the limits predefined by the operator include a date of expiry of the right of access and a lower limit date before which the exploitation of the content protected by said right is not authorized, which are not predefined in the process.
- the management of the content exploitation time is carried out locally in a terminal of the user.
- the invention will be described, as an exemplary embodiment, in the context of an application in which a telecommunication operator provides services and content scrambled to users each provided with a receiving terminal equipped with a processor. security.
- the contents may be audiovisual programs or data protected by a Conditional Access Control (CAS) access control system or a Digital Right Management (DRM) license.
- CAS Conditional Access Control
- DRM Digital Right Management
- TV Live service content is broadcast in real time to a large number of subscribers, via a broadcast network (satellite, cable, terrestrial hertzian, IP broadcast mode / multicast ).
- VOD service a content is sent to a particular subscriber, at his own request, via a distribution network allowing the individual addressing of the subscriber (typically IP network in unicast mode).
- a content (broadcast or VOD) is recorded by the subscriber on its receiving terminal or by an ad hoc function proposed by the network operator; the subscriber can later access this content by replaying the record.
- VOD broadcast or VOD
- the temporal management of the conditions and access rights is limited to the control of the temporal criteria of validity of the access rights.
- Such criteria can be given as a duration, by means of an ⁇ accumulated> constraint specifying the cumulative duration of effective consumption of the content protected by the DRM license, or ⁇ interval> specifying the duration of the rolling period validity of a right, or in the form of a time interval, by means of a constraint of type ⁇ datetime> specifying a time interval defined by at least a start date or an end date.
- a rolling period of validity of a license is a period beginning on the date of the first exploitation by the user of the content and ending no later than the expiry date of the license. This one is valid on a time interval of given duration but of date of beginning a priori indeterminate.
- the operator associates with this right, the following information:
- parameters a_OK, r_0K and s_OK whose values indicate respectively whether the advance, the delay or the suspension of said period of validity are authorized or not, the parameters nb_Max_A, nb_Max_R and nb Max S, indicating respectively the maximum number of authorized advancements, the maximum number of authorized delays and the maximum number of authorized suspensions, of the parameters a_Max_U and r_Max_ ⁇ , indicating respectively the unit amplitudes of the advancements and the authorized delays, of the parameters a_Max_C and r_Max_C, indicating respectively the accumulated amplitudes of the advancements and authorized delays.
- the values nb_Max_A, nb_Max_R, nb_Max_S, a_Max_C and r_Max_C decrease depending on the selected operation.
- the operator associates with the DRM license an expiry date TP and / or a lower limit date of validity TO.
- a DRM agent installed on the user's terminal manages a communication interface with the user allowing the latter to provide the type of operation (shift or suspension) that he wishes to apply to the access right of which he holds.
- This communication interface may consist of a message that is displayed on a window of the screen of the user's terminal still audio message broadcast via the terminal.
- FIG. 1 schematically illustrates the main steps of the method according to the invention.
- the user provides the DRM agent with a description of the desired processing via the interface of communication.
- the DRM agent checks whether the right considered is still valid and is temporally constrained, that is to say if its validity is limited in time. If the considered right is obsolete or not temporally constrained, in step 6, the DRM agent transmits an error message to the user via the communication interface.
- step 8 the DRM agent presents to the user the authorized processing on the right considered via the communication interface.
- the authorized treatments on the right considered are to advance the date T1 and the date T2 of the same time shift (step 10), to delay said T1 and T2 of the same time shift (step 12), or to temporarily suspend the exploitation of said content for an indefinite period (step 14).
- step 16 the DRM agent verifies that the parameter a_OK is "true” and that the parameter nb_Max_A is greater than or equal to one.
- step 17 the DRM agent transmits to the user an error message via the communication interface. If the conditions are verified, in step 18, the user transmits to the DRM agent the amplitude of the desired advancement.
- step 20 the DRM agent compares the amplitude entered with the parameters predefined by the operator a_Max_U, and a_Max_C respectively indicating the unit amplitude and the cumulative amplitude of the advancements.
- the DRM agent checks whether: • amplitude ⁇ a_Max_U, (Cl)
- step 21 the DRM agent transmits to the user an error message via the communication interface.
- the DRM agent carries out the above checks by replacing the amplitude data by the data date_choisie - Tl
- the DRM agent invites the user to accept a truncation of the remaining validity period of the right, or a decrease in the amplitude of its offset.
- step 22 the agent updates the data describing the period of validity of the entitlement in the license as follows:
- Tl T1 - amplitude
- T2 T2 - amplitude
- nb Max A nb Max A - I
- a_Max_C: a_Max_C - amplitude
- step 23 the DRM agent verifies that the parameter r OK is "true” and that the parameter nb_Max_R is greater than or equal to one.
- step 24 the DRM agent transmits to the user an error message via the communication interface. If said conditions are satisfied, in step 26, the user transmits to the DRM agent the amplitude of the desired delay, and in step 28, the DRM agent compares the amplitude entered with the parameters r Max U, and r Max C predefined by the operator indicating respectively the unit amplitude and the cumulative amplitude of the delays.
- the DRM agent checks whether:
- the DRM agent transmits to the user an error message via the communication interface. If the user chooses a new end date of the validity period of the license, the agent
- DRM performs the above checks by replacing the amplitude data with the data
- the DRM agent prompts the user to accept a truncation of the remaining validity period of the right or a decrease in the amplitude of its offset.
- step 30 the agent updates the data describing the period of validity of the right in the license as follows:
- Tl Tl + amplitude
- step 34 the DRM agent transmits to the user a message that the desired treatment is not or is no longer allowed. If the suspension is allowed, at the stage
- the management of the content exploitation time consists of shifting said validity start date Tl within the limits predefined by the operator, and when the period of validity of the right is delimited only by a validity end date T2, the management of the content exploitation time consists of shifting said validity end date T2 within the limits predefined by the operator.
Landscapes
- Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Technology Law (AREA)
- Computer Hardware Design (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Storage Device Security (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0758694A FR2923123B1 (fr) | 2007-10-30 | 2007-10-30 | Procede de gestion du temps d'exploitation d'un contenu. |
| PCT/EP2008/064579 WO2009056534A1 (fr) | 2007-10-30 | 2008-10-28 | Procede de gestion du temps d'exploitation d'un contenu |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP2206066A1 true EP2206066A1 (fr) | 2010-07-14 |
Family
ID=39523453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP08843803A Ceased EP2206066A1 (fr) | 2007-10-30 | 2008-10-28 | Procede de gestion du temps d'exploitation d'un contenu |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2206066A1 (fr) |
| FR (1) | FR2923123B1 (fr) |
| IL (1) | IL205366A0 (fr) |
| TW (1) | TW200937247A (fr) |
| WO (1) | WO2009056534A1 (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108322785B (zh) * | 2017-12-29 | 2021-04-16 | 海信视像科技股份有限公司 | 双授时数字版权证书有效期判定方法、装置和电视终端 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040128251A1 (en) * | 2002-12-31 | 2004-07-01 | Chris Adam | Apparatus, system and method for licensing |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5629980A (en) * | 1994-11-23 | 1997-05-13 | Xerox Corporation | System for controlling the distribution and use of digital works |
-
2007
- 2007-10-30 FR FR0758694A patent/FR2923123B1/fr active Active
-
2008
- 2008-10-28 WO PCT/EP2008/064579 patent/WO2009056534A1/fr not_active Ceased
- 2008-10-28 EP EP08843803A patent/EP2206066A1/fr not_active Ceased
- 2008-10-29 TW TW097141576A patent/TW200937247A/zh unknown
-
2010
- 2010-04-26 IL IL205366A patent/IL205366A0/en unknown
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040128251A1 (en) * | 2002-12-31 | 2004-07-01 | Chris Adam | Apparatus, system and method for licensing |
Also Published As
| Publication number | Publication date |
|---|---|
| IL205366A0 (en) | 2010-12-30 |
| FR2923123A1 (fr) | 2009-05-01 |
| FR2923123B1 (fr) | 2015-03-06 |
| WO2009056534A1 (fr) | 2009-05-07 |
| TW200937247A (en) | 2009-09-01 |
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