| Publisher | Microsoft | ||
|---|---|---|---|
| Format | 128.0KB WORD | Date added | 12 Nov 2005 |
| Topics | Optical Networking, Security Management, Fibre | ||
| Downloads | 11 | ||
Providers of sensitive digital content use digital signatures to faithfully identify themselves as the providers of that content to consumers. However, digital signatures currently work only for content created on a computer and consumed on a computer. They cannot work on content contained on some form of physical media, such as a cashier's check or a drug container label. For this reason attackers may create replicas of a content provider's physical media with fraudulent content and consumers have no means to identify the provider of the media or the content. Microsoft Research has invented a method for digitally signing and authenticating paper or other physical media that contains embedded optical fibers.
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