UDAC Consortium

UDAC is a technology for content protection realizing peer-to-peer distribution. The UDAC technology enables content to be distributed in several media (the Internet, CD-ROM, etc), and users can copy content from each other. By using this technology ubiquitous content distribution can be realized.

Free file-exchange services like WinMXhave been trampling over copyrights... more

It is DRM technology, that uses the public key cryptosystem, the core technology of certification... more

The DRM technology encrypts the content and enables only the people with decryption keys to play the content... more

In cryptographs, there are common-key cryptosystems in which the same key is used for data encryption and decryption... more

In order to prove the public key is authentic, the public key and related information are hushed to check for tampering, and then signed... more

Generally, a certificate proves that the public key is authentic as the user authentification for safe electronic commerce... more

In UDAC-MB, the safe distribution, relocation... more

The Secure MultiMediaCard maintains compatibility with standard multimedia cards and uses public key infrastructure (PKI)... more

Expectations are rising for digital content distribution services such as video clips, music, and games over a network... more

As for cars, telematic services* (coined from telecommunication and informatics) have been kaunched by... more

Digital Satellite Broadcasting of music content has already started... more

In mobile devices consumers carry around, home information electronic appliances... more