-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 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) <[EMAIL PROTECTED]> ICQ 10751645 PGP-key-fingerprint:------------------------------ CB23 8B52 5FBC F36A 1B61 F1ED 2831 E52D AAFF 7B08 - -------------------------------------------------- Public-key:--------------------------------------- http://borj.freeshell.org/borj.asc - -------------------------------------------------- To err is human... to really foul up requires the root password. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.7 (GNU/Linux) iD8DBQE9/cjaKDHlLar/ewgRArvFAKCP+YYWT3yCWsKwYG1G0wObLJSrpgCgxJK0 TQEoxI1eUzZNvHRQFAI4dr4= =B8IP -----END PGP SIGNATURE----- ============================================================================ A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers). http://www.linux-bulgaria.org - Hosted by Internet Group Ltd. - Stara Zagora To unsubscribe: http://www.linux-bulgaria.org/public/mail_list.html ============================================================================
