Systems and methods for synchronizing workspaces in a web-based collaboration environment with local folders on computers of collaborators of the workspaces are disclosed. Collaborators of a workspace can edit copies of work items either at the collaboration environment server or at the computer. Updates to all synchronized folders are automatically performed. Conflicts between edits made by different collaborators to the same file are flagged, and a notification is sent to the author attempting to make edits to a version of a file that has already been updated by another collaborator.

Desktop application for access and interaction with workspaces in a cloud-based content management system and synchronization mechanisms thereof

Systems and methods of real time notification of activities that occur in a web-based collaboration environment are disclosed. In one aspect, embodiments of the present disclosure include a method, which may be implemented on a system, for selecting a recipient of a notification an activity according to criteria determined based on a workspace in which the activity was performed in the online collaboration platform and/or sending the notification of the activity to the recipient such that the recipient is notified in real time or near real time to when the activity occurred.

Real time notification of activities that occur in a web-based collaboration environment

Systems and methods for folder synchronization and offline synchronization via a mobile platform in a web-based collaboration environment are disclosed. One embodiment includes synchronizing user selected folders and/or sub-folders via the mobile platform, using portable devices including smart phones and tablets using any mobile operating system to allow offline access. Child or sub-folders of the selected folders and/or sub-folders are automatically detected and synchronized for offline access. Any change or new content detected on the client side or on the server side is also synchronized such that the selected folders and/or sub-folders on the client and server sides are up to date.

Mobile platform file and folder selection functionalities for offline access and synchronization

In accordance with the domain management for digital media, a device obtains multiple pieces of protected content from multiple content providers, where two or more of the content providers employ different digital rights management systems. The device also accesses a license server to obtain, for each piece of protected content, a content license that is bound to a domain. The content license permits the device to play back a piece of protected content.

Domain management for digital media

Systems and methods for providing discussion workspaces linked to workspaces containing work items stored in a web-based content management system with collaboration environment are disclosed. Workspaces can be organized hierarchically. Designated collaborators of a workspace containing work items can participate in an online discussion in the linked discussion workspace regarding the work items.

Collaboration sessions in a workspace on cloud-based content management system

In a digital rights management (DRM) scheme a mobile terminal (1) registered with mobile telecommunications network (3) obtains encrypted content data (26) from content provider (21) and a rights object (28) containing a licence to use that data from rights issuer (23). The mobile terminal (1) is associated with mobile terminal (11), PC (25) and PDA (27) in a domain. Various arrangements are disclosed for enabling a second device to consume the content data (26) received by the device (1). The content data (26) is consumed on the second device in a controlled manner. The second device may or may not be a member of the domain (24). The first device may enable the second device to temporarily join the domain (24), if the second device is not a member of the domain (24), in order to allow the second device to consume the content. In another embodiment the first and second devices may already be a member of the same domain (24). In this other embodiment the first and second devices are prevented from simultaneously consuming the same content. In a further embodiment, the first and second devices are not members of the same domain. In this further embodiment, the first device obtains permission from the rights issuer (23) to enable the second device to consume the content.

Digital rights management

In the art is known to encrypt 11 broadcast content 13 , such as TV programmes, with a traffic encryption key (TEK). This TEK is then encrypted with a session encryption key (SEK) and the encrypted TEK 15 is broadcast with the content. The SEK is separately distributed 43 to user terminals 1 over a point to point network, such as a mobile phone network 3 , where is used to decrypt the TEK and thus the content. The SEK may be protected with user terminal public/private keys during this distribution. The known SEK is a symmetric key and is therefore vulnerable when sent to broadcasters for encrypting the TEK. The invention proposes making the SEK and asymmetric public/private key pair, such that only the public part SEK_pub 27 is sent to the broadcaster. Hence even if it is compromised the TEK and the content cannot be accessed without the private part SEK_priv.

Encrypted Mobile TV broadcast with encrypted content key while key encryption key is delivered over phone network

A method of verifying the validity of a message received by a telecommunications terminal (8) having a processor (30) and which is operable in a boot mode and a runtime mode is disclosed. In the embodiments the message is a SIM unlock message, for removing or modifying a restriction of the types of subscriber identity module (SIM) with which the mobile terminal may be used. In response to reception of the SIM unlock message when the terminal (1) is in the runtime mode, the processor 30 of the terminal (1) causes the terminal to enter the boot mode and verify the validity of the message during the boot mode. Because the validity of the message is checked during the boot mode, the check can be performed with greater security.

Received message verification

A mobile terminal (3) is able to download data from content provider (15). The data is encrypted. To decrypt the data, the mobile terminal (3) obtains a licence from DRM broker (17). The DRM broker (17) transmits a licence including a decryption key to the mobile terminal (3) via short message service centre (7) associated with the mobile network (1) to which the mobile terminal (3) belongs. This data is encrypted using a public key of a public-private key pair. This public key corresponds to a private key (21) stored on the SIM (19) of the mobile terminal (3). Therefore, the licence data from DRM broker (17) can only be decrypted using the SIM (19). To prevent the SIM (19) being placed in another mobile terminal to decrypt corresponding licence data without an appropriate payment to DRM broker (17), the SIM (19) is 'locked' to the mobile terminal (3) either by physical manufacture or by providing the mobile terminal (3) and the SIM (19) with a 'shared' secret key (27, 31). All communications between the SIM (19) and the core operating system (25) within the mobile terminal (3) are encoded using the shared secret key (27, 31). Therefore, if the SIM (19) is removed from mobile terminal (3) and placed in another mobile terminal, communication between the SIM (19) and the other mobile terminal will not be possible as the other mobile terminal will not have a secret key corresponding to the shared secret key (27) of the SIM (19).

Method and system for distribution of encrypted data in a mobile network

A method of authenticating mobile user equipment in a mobile telecommunications network comprising the steps of receiving an authentication element from a serving network (SN) to which the user equipment is not directly subscribed, extracting the authentication management field (AMF) from the authentication element, generating in response at least to a predetermined value of the authentication management field (AMF), a key set identifier (KSI), and passing the key set identifier (KSI) to the serving network (SN).

User authentication in a mobile communications network

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