Ua maʻa mākou a pau i ka hoʻouna ʻana i ka ʻikepili ma luna o ka Pūnaewele a i ʻole nā pūnaewele kūloko ʻē aʻe. ʻO ka maʻamau, ua hoʻoili ʻia kēlā ʻikepili ma luna o ka pūnaewele ma ke ʻano o nā bits. ʻO ka mea maʻamau, ke hoʻouna ʻia nā toni o ka ʻikepili ma luna o kahi pūnaewele, hiki ke nalowale i ka ʻikepili ma muli o kahi pilikia pūnaewele a i ʻole kahi hoʻouka kaua. Hoʻohana ʻia kahi checksum e hōʻoia i ka ʻike i loaʻa ʻole i ka pōʻino a ʻaʻohe hewa a me nā poho. Hana ʻo Checksum ma ke ʻano he manamana lima a i ʻole ka mea ʻike kūʻokoʻa no ka ʻikepili.
No ka hoʻomaopopo maikaʻi ʻana i kēia, e noʻonoʻo i kēia: Ke hoʻouna aku nei au iā ʻoe i kahi hīnaʻi ʻāpala ma o kekahi mea hoʻouna. I kēia manawa, ʻoiai ʻo ka mea hoʻopuka hoʻouna he ʻaoʻao ʻekolu, ʻaʻole hiki iā mākou ke hilinaʻi piha i kona ʻoiaʻiʻo. No laila, ʻaʻole ʻo ia i ʻai i nā ʻāpala ma kona ala a loaʻa iā ʻoe nā ʻōlaʻa a pau, ke kāhea aku nei au iā ʻoe a haʻi aku iā ʻoe ua hoʻouna aku au iā ʻoe i 20 mau ʻōlaʻi. I ka loaʻa ʻana o ka hīnaʻi, helu ʻoe i ka helu o nā ʻāpala a nānā inā he 20.
ʻO kēia helu o nā ʻāpala ka mea e hana ai ka checksum i kāu faila. Inā ua hoʻouna ʻoe i kahi faila nui loa ma luna o kahi pūnaewele (ʻaoʻao ʻekolu) a i ʻole ʻoe i hoʻoiho i kekahi mai ka pūnaewele a makemake ʻoe e hōʻoia ua hoʻouna pololei ʻia a loaʻa paha ka faila, hoʻopili ʻoe i kahi algorithm checksum ma kāu faila e hana nei hoʻouna a haʻi i ka waiwai i ka mea lawe. I ka loaʻa ʻana o ka faila, e hoʻopili ka mea hoʻokipa i ka algorithm like a hoʻohālikelike i ka waiwai i loaʻa me ka mea āu i hoʻouna ai. Inā pili nā waiwai, ua hoʻouna pololei ʻia ka faila a ʻaʻohe ʻikepili i nalowale. Akā inā ʻokoʻa nā waiwai, e ʻike koke ka mea hoʻokipa ua nalowale kekahi ʻikepili a i ʻole ua hoʻopili ʻia ka faila ma luna o ka pūnaewele. No ka mea he koʻikoʻi a koʻikoʻi ka ʻikepili iā mākou, he mea nui ia e nānā i nā hewa i hiki mai i ka wā o ka hoʻouna ʻana. No laila, he mea nui ka checksum e mālama i ka ʻoiaʻiʻo a me ka pololei. ʻO kahi hoʻololi liʻiliʻi loa i ka ʻikepili e hoʻololi nui i ka checksum. Hoʻohana pū nā protocols e like me TCP/IP e hoʻokele i nā lula kamaʻilio o ka pūnaewele i ka checksum e hōʻoia i ka hāʻawi ʻia ʻana o ka ʻikepili pololei.
ʻO ka checksum kahi algorithm e hoʻohana ana i kahi hana hash cryptographic. Hoʻohana ʻia kēia algorithm ma luna o kahi ʻāpana ʻikepili a i ʻole kahi faila ma mua o ka hoʻouna ʻana a ma hope o ka loaʻa ʻana ma luna o kahi pūnaewele. Ua ʻike paha ʻoe ua hāʻawi ʻia ia ma ka ʻaoʻao o kahi loulou download i hiki iā ʻoe ke hoʻoiho i ka faila, hiki iā ʻoe ke helu i ka checksum ma kāu kamepiula ponoʻī a hoʻohālikelike me ka waiwai i hāʻawi ʻia. E hoʻomaopopo ʻaʻole pili ka lōʻihi o kahi checksum i ka nui o ka ʻikepili akā ma ka algorithm i hoʻohana ʻia. ʻO nā algorithm checksum maʻamau i hoʻohana ʻia ʻo MD5 (Message Digest algorithm 5), SHA1 (Secure Hashing Algorithm 1), SHA-256 a me SHA-512. Hoʻopuka kēia mau algorithms i nā waiwai hash 128-bit, 160-bit, 256-bit a me 512-bit. ʻO SHA-256 a me SHA-512 ka mea hou loa a ʻoi aku ka ikaika ma mua o SHA-1 a me MD5, i kekahi mau hihia kakaʻikahi i hoʻopuka i nā helu checksum like no nā faila ʻelua. Hoʻopilikia kēia i ka pono o kēlā mau algorithms. ʻO nā ʻenehana hou he hōʻoia hewa a ʻoi aku ka hilinaʻi. Hoʻololi nui ʻo Hashing algorithm i ka ʻikepili i kāna mea like binary a laila lawe i kekahi mau hana maʻamau e like me AND, OR, XOR, etc.
ʻIkepili[ huna ]
- He aha ka checksum? A pehea e helu ai i nā Checksums
- Ka Papa Hana 1: E helu i nā Checksum me ka hoʻohana ʻana i PowerShell
- Kaʻina 2: E helu i ka Checksum me ka hoʻohana ʻana i ka Calculator Checksum Online
- Ka Papa Hana 3: E hoʻohana i ka MD5 & SHA Checksum Utility
He aha ka checksum? A pehea e helu ai i nā Checksums
Hanana 1: E helu i nā Checksums me PowerShell
1. E hoʻohana i ka ʻimi ma ka papa kuhikuhi hoʻomaka ma Windows 10 a ʻano PowerShell a kaomi ma luna o ' Windows PowerShell ' mai ka papa inoa.
2. Alternatively, hiki iā ʻoe ke kaomi pololei ma ka hoʻomaka a koho ' Windows PowerShell ' mai ka papa kuhikuhi.
3. Ma ka Windows PowerShell, e holo i kēia kauoha:
|_+_|4. E hōʻike ʻia ka wikiwiki SHA-256 hash waiwai ma ka paʻamau.
5. No nā algorithms ʻē aʻe, hiki iā ʻoe ke hoʻohana:
|_+_|Hiki iā ʻoe ke hoʻohālikelike i ka waiwai i loaʻa me ka waiwai i hāʻawi ʻia.
Kaʻina 2: E helu i ka Checksum me ka hoʻohana ʻana i ka Calculator Checksum Online
Nui nā helu helu helu helu pūnaewele e like me 'onlinemd5.com'. Hiki ke hoʻohana ʻia kēia pūnaewele no ka helu ʻana i nā helu helu MD5, SHA1 a me SHA-256 no kēlā me kēia faila a no kekahi kikokikona.
1. Kaomi ma ka ' E koho i ka faila ' pihi a wehe i kāu faila makemake.
2. Alternatively, kauo a hoʻokuʻu i kou waihona i loko o ka hāʻawi pahu.
3. E koho i kāu algorithm makemake ʻia a loaʻa i ka checksum pono.
4. Hiki iā ʻoe ke hoʻohālikelike i kēia checksum i loaʻa me ka checksum i hāʻawi ʻia ma ke kope ʻana i ka checksum i hāʻawi ʻia i loko o ka pahu kikokikona 'Hoʻohālikelike me:'.
5. E ʻike ʻoe i ke kiko a i ʻole ke keʻa ma ka ʻaoʻao o ka pahu kikokikona.
No ka helu ʻana i ka hash no kahi kaula a kikokikona pololei:
a) E kaomi i lalo i ka ʻaoʻao i ' MD5 & SHA1 Hash Generator no ke kikokikona '
b) E kope i ke kaula i loko o ka pahu kikokikona no ka loaʻa ʻana o ka helu helu i makemake ʻia.
No nā algorithms ʻē aʻe, hiki iā ʻoe ke hoʻohana ' https://defuse.ca/checksums.htm '. Hāʻawi kēia pūnaewele iā ʻoe i kahi papa inoa o nā waiwai hashing algorithm like ʻole. Kaomi ma ka 'Choose file' e koho i kāu faila a kaomi ma luna o ' E helu i nā helu helu… ' e kiʻi i nā hopena.
Ka Papa Hana 3: E hoʻohana i ka MD5 & SHA Checksum Utility
Ka mua, hoʻoiho i ka MD5 & SHA Checksum Utility a laila e hoʻomaka iā ia ma ke kaomi ʻelua i ka faila exe. E ʻimi wale i kāu faila a hiki iā ʻoe ke loaʻa kāna MD5, SHA1, SHA-256, a i ʻole SHA-512 hash. Hiki iā ʻoe ke kope-paʻi i ka hash i hāʻawi ʻia i loko o ka pahu kikokikona kūpono e hoʻohālikelike maʻalahi me ka waiwai i loaʻa.
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Manaʻo wau ua kōkua nā ʻanuʻu i luna i ke aʻo ʻana He aha ka Checksum? A pehea e helu ai; akā inā he mau nīnau kāu e pili ana i kēia ʻatikala a laila e ʻoluʻolu e nīnau iā lākou ma ka ʻāpana ʻōlelo.
Aditya Farrad ʻO Aditya kahi mea hoʻonaʻauao hoʻonaʻauao ʻike pilikino a he mea kākau ʻenehana no nā makahiki 7 i hala. Hoʻopili ʻo ia i nā lawelawe pūnaewele, mobile, Windows, software, a me nā alakaʻi pehea.