Umphenduli Wekhodi ye-HASH MD5

I-MD5 (Message Digest Algorithm 5) iwumsebenzi osetshenziswa kabanzi we-cryptographic hashi okhiqiza inani le-hashi elingu-128-bit (16-byte), ngokuvamile elimelelwa njengenombolo ye-hexadecimal yezinhlamvu ezingu-32. Yaklanywa ngu-Ronald Rivest ngo-1991 futhi ivame ukusetshenziselwa ukuqinisekisa ubuqotho bedatha. Nakuba ngesikhathi sokubhala akuzange kuthathwe njengokufanelekile ngezinjongo ezihlobene nokuvikeleka iminyaka eminingana, kubonakala sisabona ukusetshenziswa okusabalele njengesihloli sobuqotho befayela. Ngingaphakamisa ukusebenzisa enye yezindlela ezingcono kakhulu lapho uklama amasistimu amasha, noma kunjalo.

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-MD5 Hash Algorithm

Ukuze uqonde ngempela abangaphakathi umsebenzi we-hash, udinga ukuthi ube muhle ngempela ezibalweni futhi angikho, okungenani hhayi kuleli zinga. Ngakho-ke, ngizozama ukuchaza lo msebenzi we-hashi ngendlela ezoqondwa nabanye abantu abangebona abezibalo. Uma ukhetha incazelo enembayo, enembayo, ungathola lokho kwamanye amawebhusayithi amaningi ;-)

Noma kunjalo, cabanga ukuthi i-MD5 iwuhlobo oluthile lwe-super smart blender. Ufaka noma yiluphi uhlobo lokudla (idatha yakho) kuyo - njengezithelo, imifino, noma i-pizza - futhi uma ucindezela inkinobho, ihlala ikunikeza uhlobo olufanayo lwe-smoothie: "ikhodi ebushelelezi" enezinhlamvu ezingu-32 (i-MD5 hashi kufomu le-hexadecimal).

• Uma ufaka izithako ezifanayo ngaso sonke isikhathi, uzothola ikhodi ye-smoothie efanayo ncamashi.
• Kodwa uma ushintsha ngisho nento eyodwa encane (njengokufafaza okukodwa kosawoti), ikhodi ye-smoothie izohluka ngokuphelele.

Isebenza Kanjani I-"Blender" Ngaphakathi?

Nakuba kubonakala kuwumlingo, ngaphakathi kwe-blender, i-MD5 yenza okuningi ukusika, ukuxuba, nokuphotha:

• Chop: Kwephula idatha yakho ibe yizicucu ezincane (njengokuqoba izithelo).
• Imiksi: Ixuba izingcezu isebenzisa iresiphi eyimfihlo (imithetho yezibalo) exova yonke into ezungezile.
• Ingxube: Isonta yonke into ngokushesha okukhulu, ihlanganise ikhodi eyinqaba engabukeki njengeyokuqala.

Kungakhathaliseki ukuthi ubeka igama elilodwa noma incwadi yonke, i-MD5 ihlale ikunikeza ikhodi enezinhlamvu ezingu-32.

I-MD5 yayivame ukuvikeleka kakhulu, kodwa abantu abahlakaniphile babone ukuthi bangakhohlisa kanjani i-blender. Bathola izindlela zokwenza izindlela zokupheka ezimbili ezihlukene (amafayela amabili ahlukene) okuthi ngandlela-thile agcine enekhodi efanayo ye-smoothie. Lokhu kubizwa ngokuthi ukushayisana.

Cabanga ngomuntu othile ekunikeza ikhodi ye-smoothie ethi "lesi isithelo esinempilo esibushelelezi," kodwa uma usiphuza, empeleni siyinto ehluke ngokuphelele. Yingakho i-MD5 ingasaphephile ezintweni ezifana namaphasiwedi noma ukuphepha.

Abanye abantu balokhu bethi kulungile ukuhlola ubuqotho befayela kanye nezinjongo ezifanayo, kodwa into eyodwa ongayifuni ngempela ekuhloleni ubuqotho befayela ukushayisana, ngoba lokho kungenza i-hashi ibukeke sengathi amafayela amabili ayafana ngisho noma awafani. Ngakho-ke nasezindabeni ezingahlobene nokuphepha, ngincoma kakhulu ukusebenzisa umsebenzi we-hashi ovikeleke kakhulu. Ngesikhathi sokubhala, umsebenzi wami ozenzakalelayo wokuya ku-hashi ngezinjongo eziningi yi-SHA-256.

Yebo, nginesibali salokho futhi: SHA-256 Hash Code Calculator .