Re: lug-bg: crc sum

2002-06-10 Thread Dimitar Peikov

On Sun, 09 Jun 2002 14:19:37 +0300 (EEST)
Yavor Ivanov [EMAIL PROTECTED] wrote:

 
 zdr grupa.
 s edna programa se sblyskah koqto za da mi otvori edin file iska crc
 sum na tozi file tova e neshto kato B48505F6 tova tq go razkodirva
 kato BORISLAVVV oba4e tozi crc sum se izvli4a ot file imam edna
 programa koqto mi izvli4a crc32 no na men mi trqbva crc sum sblyskah
 se tezi dve neshta md5sum i sum no neznam kak da gi nakaram da mi
 izvli4at crc sum ot deden file. ako imate nqkakvi idei molq

CRC sum-a mozesh da napravish s 1001 polinoma ot sorta A1*X^n + A2*X^(n-1) + ... + 
An*X + A(n+1). Chesto pod CRC se razbira chistoto sumirane na byte-ove ili word(2 
bytes). No kakva tochno suma polzvash trjabva da proverish. Zashtoto i MD5sum pravi 
sashtoto no izchisljava suma na MD5 kodirani word(2 byte) ot fajla. Experimentiraj.

mozesh da pusnesh md5sum taka :

md5sum filename

ili 

md5sum -b filename


resultata mozesh da go zapishesh v file i da go proverish s :

md5sum -c res_filename

 __
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 --
 
  Ako uckame u Bue agpec B mail.bg 
 ugeme myk: http://www.mail.bg/new/ 
 
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lug-bg: crc sum

2002-06-09 Thread Yavor Ivanov


zdr grupa.
s edna programa se sblyskah koqto za da mi otvori edin file iska crc sum 
na tozi file tova e neshto kato B48505F6 tova tq go razkodirva kato 
BORISLAVVV oba4e tozi crc sum se izvli4a ot file imam edna programa koqto 
mi izvli4a crc32 no na men mi trqbva crc sum sblyskah se tezi dve neshta 
md5sum i sum no neznam kak da gi nakaram da mi izvli4at crc sum ot deden 
file. ako imate nqkakvi idei molq
__
12MB-POP3-WAP-SMS---TOBA-E-mail.bG
--

 Ako uckame u Bue agpec B mail.bg 
ugeme myk: http://www.mail.bg/new/ 


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