Re: lug-bg: GNUPG - off
- Subject: Re: lug-bg: GNUPG - off
- From: borj@xxxxxxxxx (Boris Jordanov)
- Date: Mon, 16 Dec 2002 14:36:35 +0200
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On Saturday 14 December 2002 10:39, George Danchev wrote:
Project Mach was an operating systems research project of the Carnegie Mellon
University School of Computer Science from 1985 to 1994.
Further research and development on Mach is being done by the Open Software
Foundation.
Tova e polozenieto.
> GnuMach (based on Berkeley Mach) i dostigat do starata situaciq kakto
> osinoviha Linux kernel i sega protestirat 4e e grabnal developers i za tova
Koj kogo e osinovil e mnogo ... politicheski vupros :) Linus ima kernel bez
base, GNU imat base, chast ot stremeza im za free OS, togava ne sa imali
izbor da pravjat base ili kernel, reshili sa, che nikoj njama toku taka da si
smeni kernela i za zapochnali suzdavaneto na base tools, kato podgotvjane na
pochvata za budeshtia tehen kernel.
> nqmalo koj da hack-a po Hurd... Tuka mnogo users nari4at Hurd qdro, no tova
> ne e istina.
> > 2. Teoriyata na kompresiraneto izobshto ne e teoriya na kodiraneto.
> > Tova pqk otkqde go izmisli?
Naprotiv, e.
>
> Tuk e malko igra na dumi moze bi ... gzip/bzip2/zip/rar i t.n.
> kompresirajki vsystnost pravqt kodirane bez zaguba na informaciq (t.e.
> nqmame stroga ednoposo4nost kakto e pri one-way-function, i proseca e
> obratim, t.e. prozra4no dekodiruem ili dekompresiruem) i tova e 4asten
> slu4aj, stoto imame i kodirane/kompresirane s zaguba na informaciq - MD5,
ne bih kazal, tova ne sa obratimi preobrazuvania ,kato izkluchim subektivnia
efekt, che poluchavame sustata vizualna informacia ot edin jpeg i ot negovia
BMP original, no vse pak ne e ednoznachno obratimo. V tozi smisul one way
functions ne sa kodirane/kompresirane. Njamajki vuzmoznost da
dekodirame/dekompresirame ponjatiata kodirane/kompresirane prosto njamat
smisul.
> SHA1 i t.n. hash algoritmi. Maj pri vsqko kodirane (kriptirane) imame
> kompresirane, i pri vsqko kompresirane imame kodirane (kriptirane) -- drug
ne, mozesh da kriptirash zamestvajki simvol ilii grupa simvoli s druga takava,
no s po-goljama dulzina - togava njama kompresia. Da, pri vsjaka kompresia
imash kodirane (encoding), no hich ne e encryption. Skoro popadnah na edno
izrechenie (ako sum go vidjal v posting na njakoi ot lista - molja da me
izvini, ne si spomnjam kude tochno go prochetoh) - Ako ima secret key e
encryption, inache e encoding...
- --
Take care
Boris Jordanov (borj) <borj@xxxxxxxxx>
ICQ 10751645
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To err is human...
to really foul up requires the root password.
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