Re: DRM for Images and Text in Stacks

2006-03-22 Thread Sivakatirswami
On Mar 21, 2006, at 10:13 AM, Richard Gaskin wrote: So while it keeps people who don't have Rev from extracting data, it still leaves data vulnerable to those who do. Exactly the problem... Scott wrote: but I would guess the likelihood of your users owning a copy of Rev is lower than

Re: DRM for Images and Text in Stacks

2006-03-21 Thread Sivakatirswami
OK further testing I finally settled on a compromise taking Key Ray's suggestion but not using compressed imageData, I don't see any advantage (I could be missing something) to using compressed imageData over simple jpg storage. Either format would be equally hackable... I think this

Re: DRM for Images and Text in Stacks

2006-03-21 Thread Richard Gaskin
Sivakatirswami wrote: OK further testing I finally settled on a compromise taking Key Ray's suggestion but not using compressed imageData, I don't see any advantage (I could be missing something) to using compressed imageData over simple jpg storage. Either format would be equally

Re: DRM for Images and Text in Stacks

2006-03-21 Thread Scott Rossi
Recently, Sivakatirswami wrote: I think this comes close to making the images at least some what obscurely stored. --create a substack --import images into custom props as jpegs, --One could put these props in something a available as a card property or something very obscure, like a

Re: DRM for Images and Text in Stacks

2006-03-21 Thread Scott Rossi
Recently, I wrote: field contents are encrypted along with the rest of the stack data when a stack is password protected, while custom props are not ...or maybe custom props *are* encrypted. That's weird, I could have sworn that custom props were visible when viewing stack data in a text

Re: DRM for Images and Text in Stacks

2006-03-21 Thread Richard Gaskin
Scott Rossi wrote: Recently, I wrote: field contents are encrypted along with the rest of the stack data when a stack is password protected, while custom props are not ...or maybe custom props *are* encrypted. That's weird, I could have sworn that custom props were visible when viewing

Re: DRM for Images and Text in Stacks

2006-03-20 Thread Mark Talluto
On Mar 18, 2006, at 2:39 AM Mar 18, 2006, Sivakatirswami wrote: if the environment is development then quit does that not prevent someone from opening it up in the IDE? mmm. I'm reviewing all the memos to date on this and see you already mentioned this. OK yes, I think this is doable

Re: DRM for Images and Text in Stacks

2006-03-18 Thread Sivakatirswami
1) The bad guys are in my dream world are other owners of the Rev IDE, which has in this future world, become as ubiquitous as Acrobat Professional. It implies that Rev actually does become wildly popular... In that world, not all will be as scrupulous as our current obviously rapidly

Re: DRM for Images and Text in Stacks

2006-03-18 Thread sims
At 11:40 PM -1000 3/17/06, Sivakatirswami wrote: see a drop dead simple option to block viewing of substacks in the IDE... If you place in the stack script of one of these files you are sending 'out into the world' (iow - not an in-house production file that you might use later for working

Re: DRM for Images and Text in Stacks

2006-03-18 Thread Sivakatirswami
On Mar 18, 2006, at 12:27 AM, sims wrote: At 11:40 PM -1000 3/17/06, Sivakatirswami wrote: see a drop dead simple option to block viewing of substacks in the IDE... If you place in the stack script of one of these files you are sending 'out into the world' (iow - not an in-house

Re: DRM for Images and Text in Stacks

2006-03-18 Thread sims
On Mar 18, 2006, at 12:27 AM, sims wrote: At 11:40 PM -1000 3/17/06, Sivakatirswami wrote: see a drop dead simple option to block viewing of substacks in the IDE... If you place in the stack script of one of these files you are sending 'out into the world' (iow - not an in-house production

Re: DRM for Images and Text in Stacks

2006-03-18 Thread sims
At 12:39 AM -1000 3/18/06, Sivakatirswami wrote: if the environment is development then quit With one app I... placed QuickTime videos into a userprop inside of individual files that had the above script. I then had an app open that file, grab the userprop, and create a QT video as a

Re: DRM for Images and Text in Stacks

2006-03-18 Thread Cubist
In a message dated 3/18/06 7:20:17 AM, sims [EMAIL PROTECTED] writes: At 11:40 PM -1000 3/17/06, Sivakatirswami wrote: see a drop dead simple option to block viewing of substacks in the IDE... If you place in the stack script of one of these files you are sending 'out into the world' (iow - not

Re: DRM for Images and Text in Stacks

2006-03-18 Thread sims
In a message dated 3/18/06 7:20:17 AM, sims [EMAIL PROTECTED] writes: At 11:40 PM -1000 3/17/06, Sivakatirswami wrote: see a drop dead simple option to block viewing of substacks in the IDE... If you place in the stack script of one of these files you are sending 'out into the world' (iow -

Re: DRM for Images and Text in Stacks

2006-03-18 Thread sims
At 9:10 PM +0100 3/18/06, sims wrote: oes that not prevent someone from opening it up in the IDE? Maybe. Try typing this into the message box and see what happens: edit script of stack MyProtectedProject Ummm...oh, I see what you mean. Back to the drawing board. ciao, sims

Re: DRM for Images and Text in Stacks

2006-03-17 Thread Sivakatirswami
FYI, setting a customProp with the compressed image data actually increases the size of the stack if those images were resized to larger than their original incoming size (that's expected behavior) This presents somewhat of a conundrum. Since the import of a 3 X 5 jpeg whose original

Re: DRM for Images and Text in Stacks

2006-03-17 Thread Stephen Barncard
Why can't you protect the access online to the files on a secure server rather than try to protect the media? Who or what are the 'bad guys'?? sqb FYI, setting a customProp with the compressed image data actually increases the size of the stack if those images were resized to larger than

Re: DRM for Images and Text in Stacks

2006-03-17 Thread Mark Talluto
On Mar 17, 2006, at 8:57 AM, Stephen Barncard wrote: Why can't you protect the access online to the files on a secure server rather than try to protect the media? Who or what are the 'bad guys'?? sqb Can the files be outside the application in a data folder perhaps? If so, you could

DRM for Images and Text in Stacks

2006-03-07 Thread Sivakatirswami
Dream with me for a moment: Revolution Players of various shapes and flavors have become as ubiquitous as copies of Acrobat Reader. The Revolution IDE is deployed to the same number of seats as Acrobat Professional. Enter new problem: Digital Rights Management: how to protect images and

Re: DRM for Images and Text in Stacks

2006-03-07 Thread Wouter
Hi Sivakatirswami, On 07 Mar 2006, at 10:42, Sivakatirswami wrote: Dream with me for a moment: -snip- Insights anyone? A possibility to protect your images is to encrypt them using a blowfish or another algo (included in the enterprise version) and put the result into fields or

Re: DRM for Images and Text in Stacks

2006-03-07 Thread Ken Ray
On 3/7/06 3:42 AM, Sivakatirswami [EMAIL PROTECTED] wrote: Not so for a Rev stack. If you deployed a rich media library as stacks that had copyright images stored in a substack, even if one sets a password on a stack, any other developer could open substack image library and go through the

Re: DRM for Images and Text in Stacks

2006-03-07 Thread Sivakatirswami
well, the point is to protect it *also* when looking in the REv's IDE inspector. If you put the images into customProps and then put a password on the stack... will that prevent uses who have the IDE from getting at them? (I'll try it.) Sivakatirswami On Mar 07, 2006, at 5:40 AM, Ken Ray

Re: DRM for Images and Text in Stacks

2006-03-07 Thread Ken Ray
On 3/7/06 1:05 PM, Sivakatirswami [EMAIL PROTECTED] wrote: well, the point is to protect it *also* when looking in the REv's IDE inspector. If you put the images into customProps and then put a password on the stack... will that prevent uses who have the IDE from getting at them? (I'll try

Re: DRM for Images and Text in Stacks

2006-03-07 Thread sims
At 1:53 PM -0600 3/7/06, Ken Ray wrote: On 3/7/06 1:05 PM, Sivakatirswami [EMAIL PROTECTED] wrote: well, the point is to protect it *also* when looking in the REv's IDE inspector. If you put the images into customProps and then put a password on the stack... will that prevent uses who

Re: DRM for Images and Text in Stacks

2006-03-07 Thread Kay C Lan
On 3/8/06, Ken Ray [EMAIL PROTECTED] wrote: No, they can get to them, but they won't know what how to decipher the binary data you put in there. Of course everyone has only mentioned the images, although the same can apply to the text in your text fields. This all seems very complex to me.