Isibali sekhodi sehashi HAVAL-256/4
Kushicilelwe: 18 Pébruari 2025 jam 21.00.17 UTC
Isibali sekhodi ye-Hash esisebenzisa i-Hash Yobude obuguquguqukayo amabhithi angu-256, umsebenzi wama-hashi oyindilinga angu-4 (HAVAL-256/4) ukuze ubale ikhodi ye-hashi ngokusekelwe kokufakwayo kombhalo noma ukulayishwa kwefayela.HAVAL-256/4 Hash Code Calculator
I-HAVAL (Hash of Variable Length) iwumsebenzi we-cryptographic hashi oklanywe u-Yuliang Zheng, u-Josef Pieprzyk, no-Jennifer Seberry ngo-1992. Isandiso somndeni we-MD (Message Digest), egqugquzelwe ngokukhethekile i-MD5, kodwa enokuthuthukiswa okuphawulekayo kokuvumelana nezimo nokuphepha. Ingakhiqiza amakhodi e-hashi obude obuguquguqukayo ukusuka ku-128 kuya ku-256 bits, icubungule idatha ngemijikelezo engu-3, 4 noma engu-5.
Okuhlukile okwethulwa kuleli khasi kukhipha ikhodi ye-hash engu-256 bit (32 byte) ebalwa ngemijikelezo emi-4. Umphumela uba okukhiphayo njengenombolo ye-hexadecimal enamadijithi angu-64.
Ukudalulwa okuphelele: Angibhalanga ukusetshenziswa okuqondile komsebenzi we-hashi osetshenziswe kuleli khasi. Kungumsebenzi ojwayelekile ofakwe nolimi lokuhlela lwe-PHP. Ngenze isixhumi esibonakalayo sewebhu kuphela ukuze ngisenze sitholakale esidlangalaleni lapha ukuze kube lula.
Mayelana ne-HAVAL Hash Algorithm
Cabanga nge-HAVAL njenge-blender enamandla kakhulu eklanyelwe ukuhlanganisa izithako (idatha yakho) ngokucophelela kangangokuthi akekho ongathola iresiphi yangempela ngokubheka i-smoothie yokugcina (i-hashi).
Isinyathelo 1: Ukulungiselela Izithako (Idatha Yakho)
Uma unikeza i-HAVAL idatha ethile - njengomlayezo, iphasiwedi, noma ifayela - ayivele iyiphonse esixubeni njengoba injalo. Okokuqala, it:
- Ihlanza futhi inqume idatha ibe yizicucu ezinhle (lokhu kubizwa ngokuthi i-padding).
- Qinisekisa ukuthi usayizi ophelele ulingana kahle ne-blender (njengokuqinisekisa ukuthi izithako ze-smoothie zigcwalisa imbiza ngokulinganayo).
Isinyathelo sesi-2: Hlanganisa ngama-Round (Ukuxuba Amaphasi)
I-HAVAL ayicindezeli nje "hlanganisa" kanye. Ihlanganisa idatha yakho ngemijikelezo emi-3, emi-4, noma emi-5 - njengokuhlanganisa i-smoothie yakho izikhathi eziningi ukuze wenze isiqiniseko sokuthi yonke ingxenye ihlutshiwe.
- 3 ukudlula: Inhlanganisela esheshayo (esheshayo kodwa engavikelekile kakhulu).
- 5 amaphasi: Inhlanganisela ecokeme kakhulu (ehamba kancane kodwa evikeleke kakhulu).
Umjikelezo ngamunye uxuba idatha ngendlela ehlukile, kusetshenziswa "izindwani" ezikhethekile (imisebenzi yezibalo) eziqoba, eziphenduphendukayo, ezinyakazisa, futhi zihlanganise idatha ngezindlela ezihlanyayo, ezingalindelekile.
Isinyathelo sesi-3: Isoso Eyimfihlo (Umsebenzi Wokucindezela)
Phakathi kokuhlanganisa imizuliswano, i-HAVAL yengeza isoso yayo eyimfihlo - zokupheka ezikhethekile ezivusa izinto nakakhulu. Lesi sinyathelo siqinisekisa ukuthi ngisho noshintsho oluncane kudatha yakho (njengokushintsha uhlamvu olulodwa kuphasiwedi) lwenza i-smoothie yokugcina ihluke ngokuphelele.
Isinyathelo sesi-4: I-Final Smoothie (I-Hash)
Ngemuva kwakho konke ukuxuba, i-HAVAL ithulula "i-smoothie" yakho yokugcina.
- Lona i-hashi - isigxivizo somunwe esiyingqayizivele sedatha yakho.
- Kungakhathaliseki ukuthi idatha yakho yoqobo yayinkulu noma yayincane kangakanani, i-hashi ihlala ingusayizi ofanayo. Kufana nokubeka noma yisiphi isithelo esiwusayizi ku-blender kodwa njalo uthola inkomishi efanayo ye-smoothie.
Kusukela ngo-2025, i-HAVAL-256/5 kuphela esathathwa njengevikelekile ngokwezinjongo ze-cryptographic, nakuba kungafanele uyisebenzise lapho uklama amasistimu amasha. Uma usayisebenzisa kusistimu yefa awukho engozini esheshayo, kodwa cabanga ukuthuthela isibonelo SHA3-256 esikhathini eside.