Isibali sekhodi sehashi RIPEMD-256
Kushicilelwe: 18 Pébruari 2025 jam 21.48.53 UTC
Hash ikhodi wokubala esebenzisa RACE Ubuqotho Primitives Ukuhlolwa Umyalezo Digest 256 bit (RIPEMD-256) hash umsebenzi ukubala ikhodi hash esekelwe umbhalo okokufaka noma ifayela ukulayisha.RIPEMD-256 Hash Code Calculator
I-RIPEMD-256 ngumsebenzi we-hash we-cryptographic othatha okokufaka (noma umyalezo) futhi ukhiqize usayizi ohleliwe, ukukhishwa kwe-256-bit (32-byte), okuvame ukumelwa njengenombolo ye-hexadecimal yezinhlamvu ze-64.
I-RIPEMD (RACE Integrity Primitives Evaluation Message Digest) ngumndeni wemisebenzi ye-hash ye-cryptographic eyenzelwe ukuhlinzeka ngobuqotho bedatha ngokusebenzisa i-hashing. Yasungulwa maphakathi nawo-1990 njengengxenye yephrojekthi ye-EU's RACE (Research and Development in Advanced Communications Technologies in Europe).
I-RIPEMD isabhekwa njengephephile, ngaphandle kwenguqulo ye-128 bit, ebhekene nokukhathazeka okufanayo ne-MD4 ne-MD5.
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-RIPEMD-256 Hash Algorithm
Angiyena isazi sezibalo noma i-cryptographer, kodwa ngizozama ukuchaza ukuthi lo msebenzi we-hash usebenza kanjani ngendlela yokuthi izazi zezibalo ezingezona zezibalo zingaqonda. Uma ukhetha incazelo yezibalo egcwele ngokwesayensi esikhundleni salokho, ngiyaqiniseka ukuthi ungathola lokho kwamanye amawebhusayithi amaningi ;-)
I-RIPEMD isebenzisa ukwakhiwa kwe-Merkle-Damgård, okuyinto efanayo nomndeni we-SHA-2 we-algorithms ye-hash. Ngichaze labo njengokusebenza okufana ne-blender kwamanye amakhasi, futhi okufanayo kuyiqiniso ku-RIPEMD:
Isinyathelo 1 - Ukulungiselela (Padding the Data)
- Okokuqala, i-RIPEMD iqinisekisa ukuthi "izithako" zilingana ngokuphelele ku-blender. Uma kungenjalo, unezela ezinye "filler" extra ukuyijikeleza (lokhu kufana padding idatha).
Isinyathelo 2 - Ukuqala i-Blender (Ukuqalisa)
- I-blender iqala ngesimiso esithile - njengejubane, amandla, nesikhundla se-blade. Lawa amanani akhethekile okuqala abizwa ngokuthi ama-vectors okuqala.
Isinyathelo 3 - Inqubo Yokuxuba (Crunching the Data)
- Nansi ingxenye epholile: I-RIPEMD ayinayo nje isethi eyodwa yezinhlamvu. It has blenders ezimbili ukusebenza side-by-side (kwesokunxele nangakwesokudla).
- I-blender ngayinye icubungula izithako ngokuhlukile. Omunye chops ngenkathi omunye ugaya, usebenzisa ngesivinini ezahlukene, iziqondiso, futhi blade amaphethini.
- Bahlanganisa, bashintshanise, futhi bajikijele idatha izikhathi ezingu-80 (njengokuhlanganisa imijikelezo ukuze baqiniseke ukuthi yonke into ixutshwe ngokuphelele).
Isinyathelo 4 - I-Final Blend (Ukuhlanganisa Imiphumela)
- Ngemuva kwakho konke lokho kuxuba, i-RIPEMD ihlanganisa imiphumela evela kuwo womabili ama-blenders abe yi-hash eyodwa yokugcina, ebushelelezi.