Definition

HDCP (High-bandwidth Digital Content Protection)

HDCP (High-bandwidth Digital Content Protection) is a specified method from Intel for protecting copyrighted digital entertainment content that uses the Digital Video Interface (DVI) by encrypting its transmission between the video source and the digital display (receiver). The video source might be a computer, set-top boxLCD), television, plasma panel, or projector.

All authorized devices are given a set of unique secret device keys from the Digital Content Protection LLC, which is the organization that licenses technologies for digital content protection. During the authentication process, the receiver must demonstrate its knowledge of the secret device keys before content is sent. After the receiver acknowledges the keys, both devices generate a shared secret value that is designed to prevent eavesdroppers from stealing the content. After authentication, the content is encrypted and sent to the receiver that decrypts it. If the Digital Content Protection LLC determines that a set of secret device keys has been compromised, it places the keys on a revocation list and provides the authorized devices with a new set of keys, which is called renewability. During authentication, the transmitter checks the revocation list before sending any content.

Contributor(s): Sherri Wilson
This was last updated in June 2007
Posted by: Margaret Rouse

Email Alerts

Register now to receive SearchSecurity.com-related news, tips and more, delivered to your inbox.
By submitting you agree to receive email from TechTarget and its partners. If you reside outside of the United States, you consent to having your personal data transferred to and processed in the United States. Privacy

More News and Tutorials

Do you have something to add to this definition? Let us know.

Send your comments to techterms@whatis.com

There are Comments. Add yours.

 
TIP: Want to include a code block in your comment? Use <pre> or <code> tags around the desired text. Ex: <code>insert code</code>

REGISTER or login:

Forgot Password?
By submitting you agree to receive email from TechTarget and its partners. If you reside outside of the United States, you consent to having your personal data transferred to and processed in the United States. Privacy
Sort by: OldestNewest

Forgot Password?

No problem! Submit your e-mail address below. We'll send you an email containing your password.

Your password has been sent to: