Iziko leSizwe leMigangatho kunye neTekhnoloji (NIST) libhengeze i-algorithm ye-hashing ithotyiwe, ayikhuselekanga, kwaye ayikhuthazwa ukuba isetyenziswe. Kucwangciswe ukulahla ukusetyenziswa kwe-SHA-1 kude kube nguDisemba 31, 2030 kwaye utshintshe ngokupheleleyo kwii-algorithms ezikhuselekileyo ze-SHA-2 kunye ne-SHA-3.
Ngomhla wama-31 kuDisemba 2030, zonke iinkcukacha zangoku ze-NIST kunye neeprothokholi azisayi kuphinda zisebenzise i-SHA-1. Isiphelo senkcazo ye-SHA-1 siya kubonakaliswa kumgangatho omtsha we-FIPS 180-5. Ukongeza, utshintsho luya kwenziwa kwiinkcukacha ezinxulumeneyo, ezifana ne-SP 800-131A, apho ukukhankanywa kwe-SHA-1 kuya kususwa. Iimodyuli zeCryptographic ezixhasa i-SHA-1 aziyi kukwazi ukuphumelela uvavanyo olulandelayo kwi-NIST kwaye ukuhanjiswa kwazo kwii-arhente zikarhulumente zase-US kuya kuba yinto engenakwenzeka (isiqinisekiso sinikezelwa kuphela iminyaka emihlanu, emva koko uvavanyo kwakhona luyafuneka).
I-SHA-1 yaphuhliswa ngo-1995 kwaye yamkelwa njengomgangatho wokusetyenzwa kolwazi lwe-federal (FIPS 180-1), evumela ukusetyenziswa kwale algorithm kwii-arhente zikarhulumente wase-US. Ngo-2005, ukubakho kwethiyori yokuhlaselwa kwe-SHA-1 kwangqinwa. Ngo-2017, uhlaselo lokuqala olusebenzayo lokungqubana kunye nesiqalo esinikiweyo saboniswa kwi-SHA-1, evumela ukuba iiseti ezimbini zedatha ezahlukeneyo ukukhetha izongezo, uncamathiselo oluya kubangela ukungqubana kunye nokwakhiwa kwehashi enesiphumo esifanayo (umzekelo. , kumaxwebhu amabini asele ekhona, unako ukubala izongezo ezimbini, kwaye ukuba enye iqhotyoshelwe kuxwebhu lokuqala kunye nolunye ukuya kowesibini, umphumo we-SHA-1 we-hashes wezi fayile uya kufana).
Ngo-2019, indlela yokubona ungquzulwano yaphuculwa kakhulu kwaye iindleko zokuqhuba uhlaselo zancitshiswa zaya kutsho kumashumi amawaka eedola. Ngo-2020, uhlaselo olusebenzayo lwaboniswa ukwenza i-PGP yobuxoki kunye ne-GnuPG yesiginitsha yedijithali. Ukusukela ngo-2011, i-SHA-1 iye yarhoxiswa ukuba isetyenziswe kwiisignesha zedijithali, kwaye ngo-2017, zonke izikhangeli zewebhu eziphambili ziye zayeka ukuxhasa izatifikethi ezisayinwe kusetyenziswa i-SHA-1 hashing algorithm. Nangona kunjalo, i-SHA-1 iyaqhubeka isetyenziselwa ukutshekisha, kwaye kukho ngaphezulu kwe-2200 eqinisekisiweyo ye-SHA-1-enikwe amandla iimodyuli ze-cryptographic kunye namathala eencwadi kwiziko ledatha le-NIST.
umthombo: opennet.ru
