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Protecting Copyrighted Images Within Application

Hi! I am designing a clipart manager that sells with over 1500+ copyrighted image. I want to protect these image, I read a bit about resource file, would it be the way to go? the image will be about 5 to 7 go... that's big, but it's the smallest we can go. (thiese are PSD format, so we can keep background transparency and a high resolution). Anyone has any idea to protect these? resource file or anything else... thank you!
jcavard
Dec 12 '05 #1
4 1003
Hello Jean,

I have done this with the sharpziblib library , with this library you can
create protected and compressed library`s

I can send you an example if you want ( the sharpziblib comes with full
source and is free )

regards

Michel Posseth [MCP]

"Jean Christophe Avard" <NO***@M.BITCH> wrote in message
news:%2****************@TK2MSFTNGP15.phx.gbl...
Hi! I am designing a clipart manager that sells with over 1500+ copyrighted
image. I want to protect these image, I read a bit about resource file,
would it be the way to go? the image will be about 5 to 7 go... that's big,
but it's the smallest we can go. (thiese are PSD format, so we can keep
background transparency and a high resolution). Anyone has any idea to
protect these? resource file or anything else... thank you!
jcavard
Dec 12 '05 #2
no it's ok with the sharpzip lib, I already tried it, and I think it was YOU
that gave me code earlier this year. Anyway, the zip lib doesnt work since
we use psd file, and I have to rebuild the file but we only can go read-only
with the psd, so... anyway, thank you for your help.

jca
"m.posseth" <mi*****@nohausystems.nl> wrote in message
news:Os**************@TK2MSFTNGP14.phx.gbl...
Hello Jean,

I have done this with the sharpziblib library , with this library you can
create protected and compressed library`s

I can send you an example if you want ( the sharpziblib comes with full
source and is free )

regards

Michel Posseth [MCP]

"Jean Christophe Avard" <NO***@M.BITCH> wrote in message
news:%2****************@TK2MSFTNGP15.phx.gbl...
Hi! I am designing a clipart manager that sells with over 1500+
copyrighted image. I want to protect these image, I read a bit about
resource file, would it be the way to go? the image will be about 5 to 7
go... that's big, but it's the smallest we can go. (thiese are PSD format,
so we can keep background transparency and a high resolution). Anyone has
any idea to protect these? resource file or anything else... thank you!
jcavard

Dec 12 '05 #3
I do not understand what you mean ..... isn`t PSD just a photoshop file ??

rebuilding the file ?? you mean writing it out to a file again ?? what is
the problem ?? this can be done

this is the part i do not understand
but we only can go read-only with the psd,


a resource file is definetly not the way to go as anyone can access your
files ,,, resource files are a nice way of grouping application specific
data

regards

Michel Posseth [MCP]
"Jean Christophe Avard" <NO***@M.BITCH> wrote in message
news:%2****************@TK2MSFTNGP11.phx.gbl... no it's ok with the sharpzip lib, I already tried it, and I think it was
YOU that gave me code earlier this year. Anyway, the zip lib doesnt work
since we use psd file, and I have to rebuild the file but we only can go
read-only with the psd, so... anyway, thank you for your help.

jca
"m.posseth" <mi*****@nohausystems.nl> wrote in message
news:Os**************@TK2MSFTNGP14.phx.gbl...
Hello Jean,

I have done this with the sharpziblib library , with this library you
can create protected and compressed library`s

I can send you an example if you want ( the sharpziblib comes with full
source and is free )

regards

Michel Posseth [MCP]

"Jean Christophe Avard" <NO***@M.BITCH> wrote in message
news:%2****************@TK2MSFTNGP15.phx.gbl...
Hi! I am designing a clipart manager that sells with over 1500+
copyrighted image. I want to protect these image, I read a bit about
resource file, would it be the way to go? the image will be about 5 to 7
go... that's big, but it's the smallest we can go. (thiese are PSD
format, so we can keep background transparency and a high resolution).
Anyone has any idea to protect these? resource file or anything else...
thank you!
jcavard


Dec 13 '05 #4
Jean Christophe Avard wrote:
Hi! I am designing a clipart manager that sells with over 1500+
copyrighted image. I want to protect these image, I read a bit about
resource file, would it be the way to go? the image will be about 5 to 7
go... that's big, but it's the smallest we can go. (thiese are PSD
format, so we can keep background transparency and a high resolution).
Anyone has any idea to protect these? resource file or anything else...
thank you!
jcavard


What is 5 to 7 go? Do you mean MB? As far as I know PSD (Photoshop
files) can't be passworded. And if you're providing a view of the file,
what's preventing someone from taking a screenshot? Maybe you should use
a proprietary format (i.e. invent your own). Or use an encryption
routine to encrypt the files that only your own program can decrypt.
--
Rinze van Huizen
C-Services Holland b.v
Dec 14 '05 #5

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