Re: disk encryption modes (Re: RE: Two ideas for random number generation)

2002-04-27 Thread Joseph Ashwood
- Original Message - From: Adam Back [EMAIL PROTECTED] On Fri, Apr 26, 2002 at 11:48:11AM -0700, Joseph Ashwood wrote: From: Bill Stewart [EMAIL PROTECTED] I've been thinking about a somewhat different but related problem lately, which is encrypted disk drives. You could

Re: disk encryption modes (Re: RE: Two ideas for random number generation)

2002-04-27 Thread Adam Back
Joseph Ashwood wrote: Adam Back Wrote: This becomes completely redoable (or if you're willing to sacrifice a small portion of each block you can even explicitly stor ethe IV. That's typically not practical, not possible, or anyway very undesirable for performance (two disk hits

Re: Re: disk encryption modes (Re: RE: Two ideas for random number generation)

2002-04-27 Thread Joseph Ashwood
- Original Message - From: Adam Back [EMAIL PROTECTED] Joseph Ashwood wrote: Actually I was referring to changing the data portion of the block from {data} to {IV, data} Yes I gathered, but this what I was referring to when I said not possible. The OSes have 512Kbytes ingrained

RE: Re: disk encryption modes (Re: RE: Two ideas for random number generation)

2002-04-27 Thread JonathanW
Title: RE: Re: disk encryption modes (Re: RE: Two ideas for random number generation) Instead of adding 16 bytes to the size of each sector for sector IV's how about having a separate file (which could be stored on a compact flash card, CDRW or other portable media) that contains the IV's

Re: RE: Re: disk encryption modes (Re: RE: Two ideas for random number generation)

2002-04-27 Thread Joseph Ashwood
Title: RE: Re: disk encryption modes (Re: RE: Two ideas for random number generation) - Original Message - From: [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Saturday, April 27, 2002 12:11 PM Subject: CDR: RE: Re: disk encryption modes (Re: RE: Two ideas