Topic: md5()
ar galima atkoduoti duomenis uzkoduotus funkcija md5()?
Re: md5()
Ne. Tai yra vienkrypčio kodavimo funkcija. Galima nebent ieškoti kolizijų arba parinkinėti visus variantus.
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Deprecated: Function create_function() is deprecated in /home/pasokime/domains/mysql.lt/public_html/forumas/include/parser.php on line 811
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Deprecated: Function create_function() is deprecated in /home/pasokime/domains/mysql.lt/public_html/forumas/include/parser.php on line 811
Deprecated: Function create_function() is deprecated in /home/pasokime/domains/mysql.lt/public_html/forumas/include/parser.php on line 811
Deprecated: Function create_function() is deprecated in /home/pasokime/domains/mysql.lt/public_html/forumas/include/parser.php on line 811
Deprecated: Function create_function() is deprecated in /home/pasokime/domains/mysql.lt/public_html/forumas/include/parser.php on line 811
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Re: md5()
Tarkim būtų tokia situcija, kai tu ilgą slaptažodį "labai_ilgas_slaptazodis" užkoduoji su mp5() funkcija ir gauni hash'ą, tarkim "abcdef123456789abcdef123456789". Bet yra atvejų, kai tokį pat hash'ą gali turėti ir koks nors trumpas slaptažodis, tarkim "slap".
Kitaip tariant:
md5("labai_ilgas_slaptazodis") = "abcdef123456789abcdef123456789"
ir
md5("slap") = "abcdef123456789abcdef123456789"
Iš wikipedijos: In cryptography, a collision is where a cryptographic hash function returns the same hash for two different inputs (kolizija tai kai vienkryptė kodavimo funkcija skirtingiem duomenim gražina tą patį rezultatą).
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Re: md5()
vaizduodamas rezultatus tikrini, kurį puslapį reikia atvaizduoti ir pagal tai paskaičiuoti LIMI 50 OFFSET .. reikšmę, kurią naudosi užklausoje gauti rezultatams);
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Re: md5()
minde,
naudojant salt + pass = kolizija nelabai susidaro :)
Kiek maigyklių sudėvėjai ?
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Deprecated: Function create_function() is deprecated in /home/pasokime/domains/mysql.lt/public_html/forumas/include/parser.php on line 811
Deprecated: Function create_function() is deprecated in /home/pasokime/domains/mysql.lt/public_html/forumas/include/parser.php on line 811
Deprecated: Function create_function() is deprecated in /home/pasokime/domains/mysql.lt/public_html/forumas/include/parser.php on line 811
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Deprecated: Function create_function() is deprecated in /home/pasokime/domains/mysql.lt/public_html/forumas/include/parser.php on line 811
Deprecated: Function create_function() is deprecated in /home/pasokime/domains/mysql.lt/public_html/forumas/include/parser.php on line 811
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Re: md5()
Woolmer wrote:
vaizduodamas rezultatus tikrini, kurį puslapį reikia atvaizduoti ir pagal tai paskaičiuoti LIMI 50 OFFSET .. reikšmę, kurią naudosi užklausoje gauti rezultatams);
tema atnaujinta buvo po 9-erių metų :)