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Teruten develop MediaShell which is the DRM solution which is ideal for the new business model by not only preventing the illegal distribution and usage of the digital contents but also enabling accurate billing for using the content. Furthermore, the MediaShell ASP (application service provider) service is available to the small content providers who are not able to make the initial investment of purchasing the solution.

MediaShell is a DRM solution with the following features:

	It prevents those who did not purchase the content from using it by applying the encryption and other
	security technologies.
	It intercepts the content purchaser from using the content beyond the authorized limit to prevent the illegal
	distribution of the original content.

In addition, MediaShell resolves the problems of the existing streaming service or DRM technologies as follows:

	It supports both download and streaming (Download & Preview).
	It is cost efficient as the streaming service can be delivered using the file server without the need for the
	media server.
	A solution supports the most content file formats as well as the viewer programs to make it more flexible than
	those DRM with the limited content formats and viewers supported.

Data I/O and Command Control

MediaShell Agent is designed to control the data i/o between the program and OS as well as the data i/o and command between the programs.

User Friendliness

While the existing DRM systems ignore the content user preference by forcing them to use the dedicated player or format, MediaShell is designed to be OS platform based and allow the users to view the content with the player of their preference.

Supported Content Formats

The solution supports most of the video and audio files as well as the most digital content file formats such as PDF, HTML/XML, eBook, SWF, and image files.

Next Generation Standard Encryption Algorithm

AES (Advanced Encryption Standard; Rijndael), the 128 bit encryption algorithm that replaced DES (Data Encryption Standard), which was the global commercial standard, in 2001, is applied at high speed.

No Temporary Original File

No temporary file of the original content is created when the user executes the encrypted content so that the file cannot be intercepted even when accessed abnormally.

Superior Security Function

Since the decryption key needed to execute the content is stored in the MediaShell DRM server, illegal decryption cannot be performed even when the PC is attacked by hacking. As the decryption key is structured to be used for only a single session and disposed after the use, it cannot be deciphered.

High Quality Download & Preview without Media Server

The streaming service can be delivered using the Web server or FTP server without the need for the media server. MediaShell plays the content in real-time while the video or audio file is being download and offers the same function as the existing streaming type. While both Real Player and Media Player store a temporary file in the local PC during the streaming service, MediaShell encrypts the content file for storage and replay, greatly improving the content security.
MediaShell supports the download type and streaming simultaneously while offering the high resolution and hi-fi service. The video content can be serviced in high resolution even on a large screen.

Support for Superdistribution

MediaShell supports P2P, CD distribution and download. As the system is designed to allow content reproduction and forces authentication by the DRM server when using the content, it ensures safe content sales regardless how the digital content is distributed.

MediaShell Application

MediaShell can be used for the game CD title distribution, operation program CD distribution, education CD title distribution, digital broadcasting content service, digital music content service, video service such as the online cinema, and multimedia content service such as cyber university and online learning.

MediaShell ASP service allows the MediaShell functions over Web in ASP method.
It is the Internet service for the content service companies to register, manage and deliver the content through simple registration process without having to purchase the equipment.
Instead of purchasing the DRM solution and installing in the server, the enterprises can immediately and safely deliver the contents using MediaShell ASP. The friendly user interface enables the enterprises directly encrypt, manage and deliver the contents.

Advantage of MediaShell ASP

Time & Cost Saving

- Since there is no installation of the system, the additional server is not needed. As the contents can be

serviced immediately after registering them, the option saves time and cost. For an ISP or portal, the content

provider can also immediately start the service without having to install the system.

Supports New IT Business Model

- The service supports the various new content distribution business models such as Streaming/Download,

Content Syndication, CDN (Content Delivery Network), DMC (Digital Media Center), IDC (Internet Data

Center) and others.

Supports Off-line & P2P Delivery

- The service supports super-distribution to allow the content delivery through CD or DVD. It can be

distributed through PC online service or P2P service. The content can be provided online even without the

Web site.