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Date: Fri, 23 Dec 2011 21:14:19 +0530
From: Piyush Mittal <>
Subject: Re: Bit slice implementation of DES based hashes


Sorry I forgot to mark question mark.

I want to discuss below code with you.

#define init_depth() \
>     int depth; \
>     depth = index >> ARCH_BITS_LOG; \
>     index &= (ARCH_BITS - 1);
1.Does depth here means word?
2.Why we are using init_depth() even it always led to depth=0
3.What is the significance of ARCH_BITS_LOG here?


On Fri, Dec 23, 2011 at 8:05 PM, Solar Designer <> wrote:

> On Fri, Dec 23, 2011 at 04:25:28PM +0530, piyush mittal wrote:
> > Oh...This is main problem between east n west...Day vs
> > communication.I think today I need to sacrifice my night sleep.
> No communication?  Your previous message didn't look like it required a
> reply - you made a single statement, which was correct, and you did not
> ask any questions.  Did you expect a reply?
> Then, regardless of day or night and sleep or work, I am not treating
> messages on john-dev as urgent.  I generally try to respond promptly,
> but when I don't it does not mean that something is wrong.
> Finally, I am neither on the "east" nor on the "west" as it relates to
> e-mail correspondence.  In case you're curious, I am in Moscow, Russia,
> but at Openwall we're providing services to clients throughout the
> world, including in the US.  Thus, staying up late or even throughout
> the night is not unusual for me.  It is also not unusual to be working
> at day time and sleeping at night.  It just varies from day to day.
> And days are not always 24-hour long. ;-)  This is probably bad for my
> health, but it's been this way for years.
> So please don't expect prompt responses from me at a specific time of
> day just because of the time of day.  In general, I try to respond
> within 24 hours, but please don't be surprised if on some occasion I
> don't - this also happens.  In fact, I have a non-zero percentage of
> e-mail messages that I happen to not respond to, for lack of time or
> otherwise.  If you ask a question, please be sure to end it with a
> question mark.  If you need comments on something you wrote, please be
> sure to ask for comments explicitly.
> > On Fri, Dec 23, 2011 at 7:33 AM, piyush mittal <>
> wrote:
> > > Bit layer here means to say any perticular Nth bit of all words
> present.
> Yes.
> Alexander

Piyush Mittal
Department of Computer Science and Engineering
National Institute of Technology,Rourkela

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