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Assymetric Encryption question??

Shane Story
Guest
 
Posts: n/a
#1: Nov 20 '05
Hello all,

I am a bit confused by the Assym. encrpyption.. Many say that it can only
encrypt like 100bytes or so. If so what good is that? Or does this mean
one should loop through a file encrypting 100byte chunks until it is all
encrypted?

Sort of wanted to create a PGP like program/library for various uses.

Also, I have seen folks use public key encryption for their software--you
purchase the Key and it comes as I suppose a public key string that is read
by the software which must have the private key.

Any suggestions on implementing such a strategy or on how to use ASSYM
encryption on large files?

Thanks,

Shane



Cor
Guest
 
Posts: n/a
#2: Nov 20 '05

re: Assymetric Encryption question??


Hi Shane,

Why don't you look for this yourself
http://msdn.microsoft.com/library/de...yptography.asp

A terific lot of stuff about your question

In the resourcekit is an example for encrypting files.

http://msdn.microsoft.com/vbasic/vbrkit/default.aspx

And if you have problems installing it
http://msdn.microsoft.com/vbasic/vbr...q/#installvdir


I hope this helps?

Cor
[color=blue]
> I am a bit confused by the Assym. encrpyption.. Many say that it can only
> encrypt like 100bytes or so. If so what good is that? Or does this mean
> one should loop through a file encrypting 100byte chunks until it is all
> encrypted?
>
> Sort of wanted to create a PGP like program/library for various uses.
>
> Also, I have seen folks use public key encryption for their software--you
> purchase the Key and it comes as I suppose a public key string that is[/color]
read[color=blue]
> by the software which must have the private key.
>
> Any suggestions on implementing such a strategy or on how to use ASSYM
> encryption on large files?[/color]


Shane Story
Guest
 
Posts: n/a
#3: Nov 20 '05

re: Assymetric Encryption question??


will check it out.
I have read a bunch of stuff on it but still don't know how to do what I
want to accomplish.

Will check out these resources and get back to you..
Shane

"Cor" <non@non.com> wrote in message
news:%23yQa1iHyDHA.1856@TK2MSFTNGP09.phx.gbl...[color=blue]
> Hi Shane,
>
> Why don't you look for this yourself
>[/color]
http://msdn.microsoft.com/library/de...yptography.asp[color=blue]
>
> A terific lot of stuff about your question
>
> In the resourcekit is an example for encrypting files.
>
> http://msdn.microsoft.com/vbasic/vbrkit/default.aspx
>
> And if you have problems installing it
> http://msdn.microsoft.com/vbasic/vbr...q/#installvdir
>
>
> I hope this helps?
>
> Cor
>[color=green]
> > I am a bit confused by the Assym. encrpyption.. Many say that it can[/color][/color]
only[color=blue][color=green]
> > encrypt like 100bytes or so. If so what good is that? Or does this[/color][/color]
mean[color=blue][color=green]
> > one should loop through a file encrypting 100byte chunks until it is all
> > encrypted?
> >
> > Sort of wanted to create a PGP like program/library for various uses.
> >
> > Also, I have seen folks use public key encryption for their[/color][/color]
software--you[color=blue][color=green]
> > purchase the Key and it comes as I suppose a public key string that is[/color]
> read[color=green]
> > by the software which must have the private key.
> >
> > Any suggestions on implementing such a strategy or on how to use ASSYM
> > encryption on large files?[/color]
>
>[/color]


Shane Story
Guest
 
Posts: n/a
#4: Nov 20 '05

re: Assymetric Encryption question??


sorry without highspeed cant' download 192mb
;(
"Cor" <non@non.com> wrote in message
news:%23yQa1iHyDHA.1856@TK2MSFTNGP09.phx.gbl...[color=blue]
> Hi Shane,
>
> Why don't you look for this yourself
>[/color]
http://msdn.microsoft.com/library/de...yptography.asp[color=blue]
>
> A terific lot of stuff about your question
>
> In the resourcekit is an example for encrypting files.
>
> http://msdn.microsoft.com/vbasic/vbrkit/default.aspx
>
> And if you have problems installing it
> http://msdn.microsoft.com/vbasic/vbr...q/#installvdir
>
>
> I hope this helps?
>
> Cor
>[color=green]
> > I am a bit confused by the Assym. encrpyption.. Many say that it can[/color][/color]
only[color=blue][color=green]
> > encrypt like 100bytes or so. If so what good is that? Or does this[/color][/color]
mean[color=blue][color=green]
> > one should loop through a file encrypting 100byte chunks until it is all
> > encrypted?
> >
> > Sort of wanted to create a PGP like program/library for various uses.
> >
> > Also, I have seen folks use public key encryption for their[/color][/color]
software--you[color=blue][color=green]
> > purchase the Key and it comes as I suppose a public key string that is[/color]
> read[color=green]
> > by the software which must have the private key.
> >
> > Any suggestions on implementing such a strategy or on how to use ASSYM
> > encryption on large files?[/color]
>
>[/color]


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