|
Posted by Ertugrul Soeylemez on June 27, 2007, 8:50 pm
If you were Registered and logged in, you could reply and use other advanced thread options
> > you can create one key from one passphrase or several keys from one
> > passphrase or create several keys from some data and associate it
> > with one passphrase.
> > What is the typical approach used in encryption software?
> > One key for all files or data blocks or one key for each file/data
> > block?
Whatever you need. If you encrypt all your data with the same key, then
all data will be disclosed upon compromise. This is your decision.
> Any time you reuse information in a key, you weaken the security of
> the key, if there is any chance that someone might discover the
> reuse. An insider, a burgler, a cryptoanalyst doing differential
> cryptoanalysis, a visitor who happens to notice the big "What hath God
> wrought?" sign on your wall...
Differential cryptanalysis? Why specifically that? Is it terribly
useful against today's ciphers?
Regards,
Ertugrul S=C3=B6ylemez.
--=20
Security is the one concept, which makes things in your life stay as
they are. Otto is a man, who is afraid of changes in his life; so
naturally he does not employ security.
| 
XML site map