Re: encryption/decryption

Tech-Archive recommends: Repair Windows Errors & Optimize Windows Performance

From: Arvind (arvinds_at_erivasystems.com)
Date: 08/17/04 

Date: Tue, 17 Aug 2004 13:02:12 +0530

The attached is the files which im using..

the encrypt/decrypt at desktop level is working fine

at pocket pc "client_decrypt" is not decrypting properly.. 

--
"eRiva Systems" - Where Technology Meets Life, Every Minute.
arvindr@erivasystems.com
www.erivasystems.com
"Arvind" <arvinds@erivasystems.com> wrote in message
news:uykNkQBhEHA.3236@TK2MSFTNGP10.phx.gbl...
> your right im using the code from that URL..
>
> i have basically 2 phases
>
> 1.desktop for encrypting (encrypting and decrypting is working perfectly
> fine in win32 desktop application using VC++ samples)
> a.inituser
> b.encrypt from command line
> c.decrypt from command line
>
>
> 2.pocket pc for decrypting..
>
> but when i try to decrypt the encoded file from the pocket pc using the
same
> RC4 stream algorithm
>
> i get the wrong output file
>
> (instead of word "microsoft" im getting in some ascii characters)
>
> i have used the inituser for initialising in desktop for storing and
> generating
> keys(Container)
>
> but i couldnt find the same init user application for pocket pc
>
> can i get one?
>
> any thoughts on this will be a great help
>
> --
> Thanks
>
> Arvind
>
>
> --
> "eRiva Systems" - Where Technology Meets Life, Every Minute.
>
> arvindr@erivasystems.com
>
> www.erivasystems.com
>
> "Ozer Ozdemir [MS]" <ozero@online.microsoft.com> wrote in message
> news:OfxnqB8gEHA.3844@TK2MSFTNGP10.phx.gbl...
> > Are you using the code listed here:
> >
>
msdn.microsoft.com/library/en-us/wcecrypt/html/csconsamplecodeencryptingfile
> .asp
> >
> > What version and configuration are you running the test on? Does the app
> > print out any error messages, or does it finish with an OK line? If you
> can
> > put breakpoints in the code and tell at what line the application fails,
> the
> > return code of the failing API, and the value of GetLastError, etc, that
> > would help diagnosing the reason of the failure...
> >
> > --
> > Ozer OZDEMIR
> > Software Design Engineer / Test
> > Microsoft Corp.
> >
> > This posting is provided "AS IS" with no warranties, and confers no
> rights.
> >
> >
> > "Arvind" <arvinds@erivasystems.com> wrote in message
> > news:%23k$uiURgEHA.2536@TK2MSFTNGP09.phx.gbl...
> > > Hello,
> > >
> > > im trying to use crypto API's in pocket pc (EVC++)
> > >
> > > to encrypt the WMV Files and decrypt the same.
> > >
> > > what i did is just copied the sample application which is provided in
> the
> > > help and tried to run in the pocket pc
> > >
> > > the application for encryption creates the destination file but the
> > > content
> > > are not added in that..
> > > (File shows 0 BYTES)
> > >
> > > is there any other way around i have to try?
> > >
> > > plese let me know ur ideas..
> > >
> > > --
> > > "eRiva Systems" - Where Technology Meets Life, Every Minute.
> > >
> > > arvindr@erivasystems.com
> > >
> > > www.erivasystems.com
> > >
> > >
> >
> >
>
>
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#?0T*
`
end
begin 666 server_encrypt.c
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end

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