CPRM - Your SD Card - Ebooks?

Ken Maltby · 03-20-2013, 10:23 AM

We are used to DRM as something contained within the file and independent
of the media we have it stored on. Here is an article that any of us that have
eReaders that use Flash/SD drives should take into consideration when buying
their next batch of SD cards:
http://www.google.com/url?sa=t&rct=j...rKg4vFumI9ZGQA

I point this out now because of this tempting Geeks offering:
http://www.geeks.com/details.asp?Inv...T61C2D_20Mar13

I haven't heard that any ebook providers have joined in and are implementing
the code to use the keys and the additional server authentication the scheme
requires, but if it catches on with other content providers, it might not be long
before it is hard to avoid.

Luck;
Ken

CWatkinsNash · 03-20-2013, 11:39 AM

I think if it hasn't caught on after 12 years, it's probably not going to this year. Seems like everyone decided to stick with software-based keys.

Well, except for certain software companies and their infernal dongles.

Edited to add: But thanks for pointing me to Geeks.com because they have decent prices on CF cards. That will make my Oly DSLR happy.

Ken Maltby · 03-20-2013, 11:50 AM

Quote:

Originally Posted by CWatkinsNash

I think if it hasn't caught on after 12 years, it's probably not going to this year. Seems like everyone decided to stick with software-based keys.

Well, except for certain software companies and their infernal dongles.

Edited to add: But thanks for pointing me to Geeks.com because they have decent prices on CF cards. That will make my Oly DSLR happy.

Lets hope that is the case, but I found it interesting that the product
description for the SD card included that CPRM was implemented on the card.

Luck;
Ken

CWatkinsNash · 03-20-2013, 12:04 PM

Quote:

Originally Posted by Ken Maltby

Lets hope that is the case, but I found it interesting that the product
description for the SD card included that CPRM was implemented on the card.

Luck;
Ken

That's not unusual, actually. The thing is, it was never implemented as a standard. I was able to find this from last year:

http://www.theregister.co.uk/2012/07/26/andre_hedrick/

It isn't that we've gone away from the idea, it's just that it took a different path than the one those folks intended. We have an entire buffet of DRM schemes, across multiple types of media, but it is separated from the fixed hardware of the machine.

Edited to add after premature posting: I suspect that once the lid was blown off the ATA standard they were reaching for, it was no longer as interesting to the involved players. We're left with scattered implementation in SD cards.

bgalbrecht · 03-20-2013, 01:32 PM

The Secure in Secure Digital is the CPRM encryption. It has to be specially formatted to use it, and it only means that if you were to buy an SD card with some sort of media files pre-installed on it, the manufacturer could use CPRM to protect their content. For general purpose use, CPRM never comes into play.

How Stuff Works explanation of CPRM and SD cards

03-20-2013, 10:23 AM	#1
Ken Maltby Wizard Posts: 4,465 Karma: 6900052 Join Date: Dec 2009 Location: The Heart of Texas Device: Boox Note2, AuraHD, PDA,	CPRM - Your SD Card - Ebooks? We are used to DRM as something contained within the file and independent of the media we have it stored on. Here is an article that any of us that have eReaders that use Flash/SD drives should take into consideration when buying their next batch of SD cards: http://www.google.com/url?sa=t&rct=j...rKg4vFumI9ZGQA I point this out now because of this tempting Geeks offering: http://www.geeks.com/details.asp?Inv...T61C2D_20Mar13 I haven't heard that any ebook providers have joined in and are implementing the code to use the keys and the additional server authentication the scheme requires, but if it catches on with other content providers, it might not be long before it is hard to avoid. Luck; Ken

03-20-2013, 11:39 AM	#2
CWatkinsNash IOC Chief Archivist Posts: 3,950 Karma: 53868218 Join Date: Dec 2010 Location: Fruitland Park, FL, USA Device: Meebook M7, Paperwhite 2021, Fire HD 8+, Fire HD 10+, Lenovo Tab P12	I think if it hasn't caught on after 12 years, it's probably not going to this year. Seems like everyone decided to stick with software-based keys. Well, except for certain software companies and their infernal dongles. Edited to add: But thanks for pointing me to Geeks.com because they have decent prices on CF cards. That will make my Oly DSLR happy. Last edited by CWatkinsNash; 03-20-2013 at 11:42 AM.

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03-20-2013, 01:32 PM	#5
bgalbrecht Wizard Posts: 1,806 Karma: 13399999 Join Date: Aug 2007 Location: US Device: Nook Simple Touch, Kobo Glo HD, Kobo Clara HD, Kindle 4	The Secure in Secure Digital is the CPRM encryption. It has to be specially formatted to use it, and it only means that if you were to buy an SD card with some sort of media files pre-installed on it, the manufacturer could use CPRM to protect their content. For general purpose use, CPRM never comes into play. How Stuff Works explanation of CPRM and SD cards