Re: E01 (Was: Raspberry Pi floppy interface.

2019-02-04 Thread Fred Cisin via cctalk
eg: What is the structure of the "Header Case Information" block? The E01 would be adequate (barely), if accompanied by an additional "metadata" file that describes the physical format.  (In much more detail than just "IBM PC 360K", etc.)  For MOST situations, OS, encoding, bytes per sector, secto

Re: E01 (Was: Raspberry Pi floppy interface.

2019-02-04 Thread Fred Cisin via cctalk
And, of course, a lossy compression, such as MP4 leaves room for an enormous amount of steganographic data, with documants and data hidden in porn. (MANY different MP4 files will still play the same movie) On Mon, 4 Feb 2019, John Foust via cctalk wrote: That would be a very sneaky criminal i

Re: E01 (Was: Raspberry Pi floppy interface.

2019-02-04 Thread Chuck Guzis via cctalk
On 2/4/19 3:40 PM, Jim Manley via cctalk wrote: > Did someone say "punched cards ... with steganographic bits in chads that > are only attached along a couple of edges"? NCR CRAM?

Re: E01 (Was: Raspberry Pi floppy interface.

2019-02-04 Thread Jim Manley via cctalk
Did someone say "punched cards ... with steganographic bits in chads that are only attached along a couple of edges"? On Mon, Feb 4, 2019 at 4:36 PM Chuck Guzis via cctalk wrote: > On 2/4/19 3:22 PM, John Foust via cctalk wrote: > > At 04:49 PM 2/4/2019, Fred Cisin via cctalk wrote: > >> And, of

Re: E01 (Was: Raspberry Pi floppy interface.

2019-02-04 Thread Chuck Guzis via cctalk
On 2/4/19 3:22 PM, John Foust via cctalk wrote: > At 04:49 PM 2/4/2019, Fred Cisin via cctalk wrote: >> And, of course, a lossy compression, such as MP4 leaves room for an enormous >> amount of steganographic data, with documants and data hidden in porn. >> (MANY different MP4 files will still p

Re: E01 (Was: Raspberry Pi floppy interface.

2019-02-04 Thread Chuck Guzis via cctalk
On 2/4/19 2:49 PM, Fred Cisin via cctalk wrote: > Well, conversion between E01 and IMD or teledisk formats looks > straightforward. > > http://www.forensicsware.com/blog/e01-file-format.html > Is there a better description handy? > > eg: What is the structure of the "Header Case Information" blo

Re: E01 (Was: Raspberry Pi floppy interface.

2019-02-04 Thread John Foust via cctalk
At 04:49 PM 2/4/2019, Fred Cisin via cctalk wrote: >And, of course, a lossy compression, such as MP4 leaves room for an enormous >amount of steganographic data, with documants and data hidden in porn. (MANY >different MP4 files will still play the same movie) That would be a very sneaky crimina

Re: E01 (Was: Raspberry Pi floppy interface.

2019-02-04 Thread Fred Cisin via cctalk
On Mon, 4 Feb 2019, Chuck Guzis via cctalk wrote: Based on my conversations with clients, the problem is not the equipment, but rather the lack of an open, vetted and documented file format. As an example, customers of mine insist on a "forensic" image file of type E01 (Encase format), which has

Re: Raspberry Pi floppy interface.

2019-02-04 Thread Chuck Guzis via cctalk
On 2/4/19 1:17 PM, Paul Koning wrote: > Yes, but if the current format is wrong for the job, and people who should > know better do not realize this, it would be a good idea (as a separate > activity) to educate them and propose a better answer. Yes, I know, and I've tried and written volumes ab

Re: Raspberry Pi floppy interface.

2019-02-04 Thread Paul Koning via cctalk
> On Feb 4, 2019, at 4:05 PM, Chuck Guzis via cctalk > wrote: > > ... > Based on my conversations with clients, the problem is not the > equipment, but rather the lack of an open, vetted and documented file > format. > > As an example, customers of mine insist on a "forensic" image file of >

Re: Raspberry Pi floppy interface.

2019-02-04 Thread Chuck Guzis via cctalk
On 1/18/19 7:40 AM, geneb via cctalk wrote: > This looks like a project with a ton of potential for archviving media > without having to deal with the asshattery of the kryoflux people. > > https://github.com/picosonic/bbc-fdc Yes, you can do this, as I've said many times before, with just about

Raspberry Pi floppy interface.

2019-01-18 Thread geneb via cctalk
This looks like a project with a ton of potential for archviving media without having to deal with the asshattery of the kryoflux people. https://github.com/picosonic/bbc-fdc g. -- Proud owner of F-15C 80-0007 http://www.f15sim.com - The only one of its kind. http://www.diy-cockpits.org/coll