Yintoni i-MD5? (IMicrosoft Message Digest Algorithm)

Inkcazo ye-MD5 kunye neMbali yayo kunye noXhatshazo

MD5 (ebizwa ngokuba yi- MD5 Message-Digest Algorithm ) ngumsebenzi we- hasptographic hash enenjongo yakhe ephambili ukuqinisekisa ukuba ifayile ayifakiwe.

Esikhundleni sokuqinisekisa ukuba iiseti ezimbini zedatha zifana ngokuqhathanisa nedatha eluhlaza, i-MD5 yenza oku ngokuvelisa i- checksum kwiisethi zombini, uze uthelekise iitshekethi ukuqinisekisa ukuba zifana.

I-MD5 ineziphene ezithile, ngoko akunakuncedo kwizicelo zokubhala nge-encryption, kodwa iyamkeleka ngokufanelekileyo ukuyisebenzisa ngokuqinisekileyo kweefayile.

Ukusebenzisa i-MD5 Checker okanye i-MD5 Generator

I-Microsoft File Checksum Integrity Verifier (FCIV) yilekho yokubala yamahhala engakwazi ukuvelisa i-MD5 checksum kwiifayile zangempela kwaye kungekhona nje itekisi. Jonga indlela yokuqinisekisa ubungqina beFayile kwi-Windows ne FCIV ukuze ufunde indlela yokusebenzisa le nkqubo yomgca wolawulo .

Enye indlela elula yokufumana i-MD5 hashi yomtya woonobumba, iinombolo, kunye neempawu kunye ne sixhobo se-Miracle Salad MD5 Hash Generator. Ininzi yabanye ikhona, ngokunjalo, njenge-MD5 Hash Generator, iPhasiwediGenerator, kunye ne-OnlineMD5.

Xa i-algorithm efanayo isetyenziswe, kukho iziphumo ezifanayo. Oku kuthetha ukuba ungasebenzisa i-calculator eyodwa ye-MD5 ukufumana i-MD5 checksum yecatshulwa ethile kwaye usebenzisa i-calculator ye-MD5 eyahlukileyo ukufumana iziphumo ezifanayo. Oku kunokuphindwa rhoqo ngazo zonke izixhobo ezenza i-checksum esekelwe kwimisebenzi ye-hashi ye-MD5.

Imbali & amp; Ukuxhatshazwa kwe-MD5

I-MD5 yaqulunqwa nguRonald Rivest, kodwa yinto enye yeendlela zakhe ezintathu.

Umsebenzi wokuqala we-hashi owawuphuhlise yi-MD2 ngo-1989, eyakhelwe iikhomputha ze-8-bit. Nangona i-MD2 isasetyenziselwa, ayijoliswanga kwizicelo ezifuna inqanaba eliphezulu lokukhusela, kuba liboniswe ukuba litshatyalaliswe kwizihlaselo ezahlukeneyo.

I-MD2 yatshatyelwa yi-MD4 ngo-1990. I-MD4 yenziwe ngamashishini angama-32-bhitane kwaye yayininzi ngokukhawuleza kune-MD2, kodwa yaboniswa nokuba nobuthathaka kwaye ngoku ixatyathwa ingagqibekanga yi- Internet Engineering Task Force .

I-MD5 yakhululwa ngowe-1992 yaye yakhiwe nakwii-32-bit. I-MD5 ayikho ngokukhawuleza njenge-MD4, kodwa ithathwa njengolukhuselekileyo kunokuba kwenziwe i-MDx yangaphambili.

Nangona i-MD5 ikhuseleke ngakumbi kune-MD2 kunye ne-MD4, enye imisebenzi ye-cryptographic hash, njenge- SHA-1 , iphakanyisiwe njengenye indlela, ekubeni i-MD5 iye yaboniswa nokuba nezokhuseleko.

I-Carnegie Mellon yeYunivesithi yeSoft Engineering Institute ithi lokhu malunga ne-MD5: "Abaphuhlisi beeNkqubo, abaQinisekisi beeNgcaciso, abanikazi bewebhusayithi kunye nabasebenzisi kufuneka bagweme ukusebenzisa i-MD5 algorithm kunoma yiphina isakhono." Njengoko uphando lwangaphambili lubonakalisiwe, kufuneka lucatshungulwe njenge-cryptographically broken and inappropriate ukusebenzisa kwakhona. "

Ngo-2008, i-MD6 yaphakanyiswa kwiSizwe seZiko leMigangatho neThekhnoloji njengenye indlela eya kwi-SHA-3. Unokufunda ngokubanzi malunga nesiphakamiso apha .

Ulwazi olungakumbi kwi MD5 Hash

Iinqwelo ze-MD5 zi-128-bits ubude kwaye ziqhelekileyo ziboniswe kwixabiso elilinganayo lamaxabiso angama- hexadecimal ayi- 32. Oku kuyinyani nokuba kungakanani okanye encinci ifayile okanye itekisi.

Omnye umzekelo weli xabiso le-hex 120EA8A25E5D487BF68B5F7096440019 , apho ukuguqulelwa kwetekisi ecacileyo "Ngulo vavanyo.". Ukongeza isicatshulwa esithile ukuba ufunde "Oku kukuvavanya ukubonisa ukuba ubude bombhalo abukhathali." iguqulela kwixabiso elihlukileyo ngokupheleleyo kodwa kunye nenani elifanayo labalinganiswa: 6c16fcac44da359e1c3d81f19181735b .

Enyanisweni, nokuba nomtya kunye nabalinganiswa be-zero inexabiso le-hex ye- d41d8cd98f00b204e9800998ecf8427e , kwaye ukusebenzisa ixesha elilodwa lenza inani 5058f1af8388633f609cadb75a75dc9d .

Ii-checksums ezakhiweyo ze-MD5 zakhiwe ukuba zingabonakali, oku kuthetha ukuba awukwazi ukukhangela i-checksum kwaye uchonge idatha yangaphambili efakelwe. Xa kuthethwa oko, kukho ininzi ye-MD5 "ye-decrypters" epapashwa njengokwazi ukuchithwa ixabiso le-MD5, kodwa oko kwenzeka ntoni kukuba badala i-checksum ngamanani amaninzi kwaye bakuvumela ukuba bajonge i-checksum kwiziko labo ukubona ukuba ngaba banomdlalo onokukubonisa idatha yangaphambili.

MD5Decrypt kunye ne-MD5 Decrypter zixhobo ezimbini ze-intanethi zamahhala ezingenza oku kodwa zisebenza kuphela ngamazwi aqhelekileyo kunye namazwi.

Khangela Yintoni i-Checksum? ukufumana imizekelo eminye ye-MD5 checksum kunye nezinye iindlela zokukhulula ukuvelisa ixabiso le-MD5 kwihayile.