[IETF-IDRM] Fwd: [IDRM] Microsoft DRM demo at Info-Hiding Workshop

[Thomas Hardjono]

>Date: Wed, 02 May 2001 12:11:46 -0400
>From: Thomas Hardjono <thardjono@mediaone.net>
>Subject: [IDRM] Microsoft DRM demo at Info-Hiding Workshop
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>
>             MS May Have File-Trading Answer
>             By Declan McCullagh
>
>             2:00 a.m. May. 1, 2001 PDT
>
>             PITTSBURGH -- Microsoft has developed a prototype system that 
> limits unauthorized playback of music by
>             embedding a watermark that remains permanently attached to 
> audio files.
>
>             During a security workshop on Friday, a Microsoft Research 
> scientist demonstrated how the hidden copyright
>             fingerprint is so securely affixed to the audio that it 
> remains intact even if a jazz song is played aloud on
>             speakers in a noisy room and then re-recorded.
>
>http://www.wired.com/news/digiwood/0%2C1412%2C43389%2C00.html