Hi,
> > ivseed = key_table[64] is nowhere declared.
>
> This is an implementation detail of Loop-AES, so I don't consider it
> belonging to the description of the modes here.
difficult to draw the line, but as it is something supplied as "external
parameter" to the dm-crypt layer I think it
Hello Richard,
On Sun, Jan 17, 2010 at 11:02:34PM +0100, Richard Zidlicky wrote:
> > diff --git a/Documentation/crypto/lmk.txt b/Documentation/crypto/lmk.txt
> > new file mode 100644
> > index 000..91ca7f7
> > --- /dev/null
> > +++ b/Documentation/crypto/lmk.txt
> > @@ -0,0 +1,102 @@
> > +Loop
Hi,
> The format-magic is not mentioned in Jari's description, but
> is indeed used by Loop-AES.
>
> Compare loop-AES-v3.2h/glue.c:402:
>
> /* 4024 bits == 31 * 128 bit plaintext blocks + 56 bits of sector number */
> /* For version 3 on-disk format this really should be 4536 bits, but can't
Hi Richard,
On Mon, Jan 11, 2010 at 10:28:39PM +0100, Richard Zidlicky wrote:
> On Mon, Jan 04, 2010 at 04:25:42PM +0100, Max Vozeler wrote:
> > +
> > +These modes have two main characteristics compared to regular CBC
> > +with sector IV. The first is implemented in dm-crypt, the second
> > +is im
On Mon, Jan 04, 2010 at 04:25:42PM +0100, Max Vozeler wrote:
> +
> +These modes have two main characteristics compared to regular CBC
> +with sector IV. The first is implemented in dm-crypt, the second
> +is implemented in the lmk2 and lmk3 blkciphers.
the formulation is not very clear. Possibly
On Tue, Dec 29, 2009 at 02:46:39AM +0100, Max Vozeler wrote:
> On Mon, Dec 28, 2009 at 08:37:43PM +0100, Milan Broz wrote:
> > But anyway, I see that the reason for this is to introduce multikey feature
> > (compatible with loop-AES mode). That's interesting idea.
> >
> > But please can you add mo
Hi,
many thanks for the clarifications. Fedora has a very nice and unobstrusive
crypto
setup but finding out the technical details involves looking into quite a few
places.
The http://code.google.com/p/cryptsetup/ pages seems to have plenty of
information
for a start.
> (If you think about c
On 12/29/2009 10:21 AM, Richard Zidlicky wrote:
> On Mon, Dec 28, 2009 at 08:37:43PM +0100, Milan Broz wrote:
> While we are at it - are you aware of any documentation of the "mainline"
> dm-crypt
> implementation? I have not seen anything, much less any explanation if it has
> improved
> any s
On Mon, Dec 28, 2009 at 08:37:43PM +0100, Milan Broz wrote:
Hi,
>
> But please can you add more explanation into documentation about this mode?
> Is there any paper which analyses that mode - if so can you add link
> to description?
> (and yes, I know loop-AES documentation:-)
I have some archi
On Mon, Dec 28, 2009 at 08:37:43PM +0100, Milan Broz wrote:
> On 12/28/2009 07:59 PM, Max Vozeler wrote:
> > The original code used cc->cipher for two things:
>
> > @@ -1014,6 +1014,7 @@ static int crypt_ctr(struct dm_target *ti, unsigned
> > int argc, char **argv)
> > char *ivopts;
> > u
On 12/28/2009 07:59 PM, Max Vozeler wrote:
> The original code used cc->cipher for two things:
> @@ -1014,6 +1014,7 @@ static int crypt_ctr(struct dm_target *ti, unsigned int
> argc, char **argv)
> char *ivopts;
> unsigned int key_size;
> unsigned long long tmpll;
> + char c
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