Base64 Na Yanke Hukunci

Menene boye-boye na Base64?

Hanyar ɓoyewa ce wacce aka ɓullo da ita dangane da gaskiyar cewa kowane harafin yana wakiltar lamba, kuma yana ba da adana bayanai ta hanyar canza shi zuwa rubutu. Base64 encoding, wanda shine hanyar ɓoyewa da ake amfani dashi musamman lokacin aika abubuwan da aka makala; Yana ba da jujjuya bayanan binary zuwa fayil ɗin rubutu a cikin ma'aunin ASCII. Na farko, bayan bayyana wasu abubuwa game da Base64, za mu yi Base64 encode da yanke ayyuka tare da harshen C++.

Ɗaya daga cikin manyan dalilan rufaffen tushe64 shine don ba da damar haɗe-haɗe zuwa wasiku. Domin tsarin SMTP, wanda ke ba mu damar aika wasiku, ba ƙa'idar da ta dace ba don aika bayanan binary kamar hotuna, kiɗa, bidiyo, aikace-aikace. Don haka, tare da ma'auni mai suna MIME, bayanan binary an lullube su tare da Base64 kuma ana iya aika su akan ka'idar SMTP. Bayan an aika saƙon, bayanan binary a ɗayan gefen ana yanke hukunci bisa ga ƙa'idodin Base64 kuma an canza su zuwa tsarin da ake buƙata.

Rufin Base64 shine ainihin bayyana bayanai tare da alamomi daban-daban. Waɗannan alamomin su ne kirtani na haruffa 64 daban-daban. Sunan da aka ba rufaffen ya riga ya fito daga adadin waɗannan haruffa. Wadannan haruffa 64 sune kamar haka.

Idan kun kula da haruffan da ke sama, dukkansu daidaitattun haruffan ASCII ne don haka kowane hali yana da daidai adadin da aka bayyana azaman daidai ASCII. Misali, ASCII daidai da halin A shine 65, yayin da daidai da halin a shine 97. A cikin teburin da ke ƙasa, an ba da daidaitattun haruffa a cikin tushe daban-daban, da farko ASCII.

Base64 wata dabara ce ta ɓoye bayanan da aka haɓaka don hana asarar bayanai yayin watsa bayanai. Yawancin mu mun san shi azaman hanyar ɓoye Base64, amma Base64 hanya ce ta ɓoyewa, ba hanyar ɓoyewa ba. Bayanan da za a rufa-rufa an fara raba su ne da hali. Sannan, ana samun madaidaicin binary 8-bit na kowane hali. Kalmomin 8-bit da aka samo an rubuta su gefe da gefe kuma an sake raba su zuwa ƙungiyoyi 6-bit. An rubuta Base64 daidai da kowane rukunin 6-bit kuma an gama aiwatar da rufaffiyar. A cikin aikin yanke hukunci, ana amfani da akasin ayyukan iri ɗaya.

Menene boye-boye Base64 ke yi?

Hanya ce ta musamman na ɓoyewa wacce ke ba ku damar ɓoye ma'amalar watsawa da ma'ajiya.

Yadda ake amfani da boye-boye na base64?

Kwafi da liƙa bayanan da kuke son rufaffen su zuwa sashin da ya dace a gefen hagu na kwamitin. Danna maballin "Tambaya" kore a hannun dama. Kuna iya ɓoye duk bayanan godiya ga wannan kayan aiki, inda za ku iya yin duka biyun ɓoyewa da ɓoyewa.

Base64 boye-boye dabaru

Dabarar boye-boye yana da ɗan rikitarwa, amma a matsayin magana ta gaba ɗaya, kowane ɗayan bayanan da ya ƙunshi haruffa ASCII ana fassara su zuwa raka'a daban-daban 64, wakilta ta lambobi. Sannan ana juya waɗannan raka'a daga 8-bit, wato filayen 1-byte zuwa filayen 6-bit. Yayin aiwatar da wannan aikin fassarar, fassarar cikin kalmomi da lambobi 64 ke amfani da su yana faruwa. Ta wannan hanyar, bayanan suna jujjuya su zuwa wani tsari na daban kuma mai rikitarwa.

Fa'idodin boye-boye na Base64

Ana amfani da shi don kare bayanai daga hare-haren waje. Wannan hanyar boye-boye, wacce ke fitar da hadadden haruffa 64 da suka kunshi manya da kananan haruffa da lambobi, suna kara tsaro matuka.

Base64 boye-boye da yankewa

A mataki na farko, zaɓin "encrypt" yana alama a gefen dama na panel. Ana ɓoye bayanan da aka saita ta wannan hanyar lokacin da aka danna maɓallin "Tambaya". Domin warwarewa, kana buƙatar danna rubutun "Encrypt" sannan ka danna rubutun "Decrypt" daga jerin. Sa'an nan, ta danna maɓallin "Query", za a iya ƙaddamar da tushe64.

Ta yaya boye64 ke aiki?

Yana da sauƙin amfani da wannan tsarin, wanda ya dogara ne akan juyawa da adana haruffa ASCII zuwa haruffa 64 daban-daban.

Ina ake amfani da Base64?

Rufin Base64 ya dogara ne akan sauya bayanai, yawanci a cikin nau'in kirtani, zuwa lambobi da hadaddun maganganu. Yana daya daga cikin mafi kyawun hanyoyin kariya da adana bayanai.