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Technology Stocks : WDC/Sandisk Corporation -- Ignore unavailable to you. Want to Upgrade?

To: Art Bechhoefer who wrote (17811)	12/29/2000 4:39:01 PM
From: Bargain Hunter	Respond to of 60323

Art, you got that backwards. You can use MMCs in devices designed for SDMC, but you cannot use SDMCs in devices designed for MMC. See sandisk.com I'm not sure exactly how the security features of the SDMC work. But I think the essence is that each card has a unique key built into it and data written to the card is encrypted using that key. If you copy an encrypted file from one SDMC to another it will not work on the second one because the key is different. What I don't understand is how they prevent people from decrypting it. The Linux crowd already broke DVD encryption, so maybe SDMC encryption will not be viable and SDMC will be quietly dropped in favor of MMC.