On Wed, Aug 26, 2009 at 7:16 PM, zeeshan <genx...@gmail.com> wrote:
>
> key never change once its been created.
>
> as i know SecretKey generates by a funtion as above, how can i set it
> as constant
> can you plz provide example?
>
>
> On Aug 26, 1:39 pm, Sujay Krishna Suresh <sujay.coold...@gmail.com>
> wrote:
> > On Wed, Aug 26, 2009 at 5:41 PM, zeeshan <genx...@gmail.com> wrote:
> >
> > > key doesn't change.
> > > can i store keyString in preferences to retrieve for decryption
> >
> > yes that'd be better than storin it in a file. But better to jus have a
> > constant field in ur class that cointains ur key.
> >
> >
> >
>
class UrClass{
public static final String KEY_STRING;
static{
>
> > > SecretKey key = KeyGenerator.getInstance("DES").generateKey();
> > > byte[] keybytes = key.getEncoded();
> > > KEY_STRING = new String(keybytes);
>
}
/*
* Rest of the class
*/
}
>
> >
> > If u r gonna execute these set of statements then wont the key change??
> >
> >
> >
> >
> >
> > > or plz provide any example for the best practice
> >
> > > On Aug 26, 12:28 pm, Sujay Krishna Suresh <sujay.coold...@gmail.com>
> > > wrote:
> > > > If it is only used by ur application, jus use a String instance to
> hold
> > > the
> > > > key. y store in a file??
> > > > ll the key change dynamically???
> >
> > > > On Wed, Aug 26, 2009 at 4:55 PM, zeeshan <genx...@gmail.com> wrote:
> >
> > > > > encryption and decryption is the app's internal functionality. user
> > > > > has nothing to do with this
> > > > > i encrypt the file on 1st run and on 2nd run i check if file is
> there
> > > > > then decrypt and show.
> > > > > so only thing i understand is to store the key somewhere in the app
> so
> > > > > i can access it for decryption.
> > > > > just wondering if this help
> > > > > File keyFile = new File("data/data/package name/key");
> >
> > > > > i followed this link for encryption and decryption
> >
> > > > >
> http://www.java2s.com/Tutorial/Java/0490__Security/UsingCipherInputSt.
> > > ..
> >
> > > > > On Aug 26, 12:11 pm, Sujay Krishna Suresh <
> sujay.coold...@gmail.com>
> > > > > wrote:
> > > > > > I think its better to ask the user for the secret key rather than
> > > storin
> > > > > it
> > > > > > smwhere.
> >
> > > > > > On Wed, Aug 26, 2009 at 4:30 PM, zeeshan <genx...@gmail.com>
> wrote:
> >
> > > > > > > Hi Dear,
> >
> > > > > > > i wrote a small application which encrypt some files using a
> secret
> > > > > > > key.
> > > > > > > i need to decrypt files on 2nd run which requires same key
> again
> > > > > > > plz advise where should i store the secret key.
> >
> > > > > > --
> > > > > > Regards,
> > > > > > Sujay
> > > > > > Mike Ditka <
> > >http://www.brainyquote.com/quotes/authors/m/mike_ditka.html>
> > > > > -
> > > > > > "If God had wanted man to play soccer, he wouldn't have given us
> > > arms."
> >
> > > > --
> > > > Regards,
> > > > Sujay
> > > > Pablo Picasso<
> > >http://www.brainyquote.com/quotes/authors/p/pablo_picasso.html>
> > > > - "Computers are useless. They can only give you answers."
> >
> > --
> > Regards,
> > Sujay
> > Jonathan Swift<
> http://www.brainyquote.com/quotes/authors/j/jonathan_swift.html>
> > - "May you live every day of your life."
> >
>
--
Regards,
Sujay
Joan Crawford<http://www.brainyquote.com/quotes/authors/j/joan_crawford.html>
- "I, Joan Crawford, I believe in the dollar. Everything I earn, I
spend."
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