Kamepiula 'ē aʻe, Iaaiey
A hasa kuleana pili i ka: aha ka mea, no ke aha la a me ka mea hana
Pinepine, i ka wa a ka hoʻoiliʻana kahawai a me AEIU 'ana iho i loko o ka hōʻike, he mea i kekahi mea e like «ad33e486d0578a892b8vbd8b19e28754» (no ka laʻana, ma ka ex.ua), pinepine me ka memo i «md5». Keia hasa kuhi - i ka hopena i nā mea hōʻike aku i ka papa ma hope o hasa aaioee i ka hoʻopā ai ikepili. Ma English ka hasa Hōʻike ka hilahila, ka pakalōlō, ka nāhelehele i, a me ka pa o minced ai a me kaʻai iā. Decrypt i ka hasa ka loa paʻakikī, ua hiki ke olelo ia ia mea kokoke ole. A laila, i ka ninau aicieeaao: "No ke aha la hana mākou pono a pau o kēia mau hasa oihana, ina ka mea, e haawi aku i ka incomprehensible gibberish, a i hiki ole ke deciphered?". Kēia e e kūkākūkā i loko o kēia 'atikala.
He aha mea he hasa papa, a pehea 'aʻole ia hana?
Ke aha la hoi i ka papa hasa mākou e pono ai?
Sala: He aha ka mea, e 'ole
1. Ke papa, e kaha i ka pono o ka 'ike
I ka wā o ka ʻikepili EYI pukapuka, he mea ka i ka ho omaulia ana o ka hasa holoahi, a me keia hopena ua i ho'īli pu me ka waihona. I ka loaa hou Me hasa karaima, a hoohalike me ka waiwai i loaa mai ma ka mea ulana pukapuka. Inā ke kuhi 'aʻole' aʻohe, ia Hōʻike ke kikowaena, a me ka poino AEeAaOA e e hoolilo hou. Ma ia i ka i ka ho omaulia papa hookeai mämä holo akā, he uuku ka helu o ka hasa nā loina a me ka poe ilihune kumupaʻa. An laʻana o keia 'ano: CRC32, a ua loaa wale 232 pu ole, nā loina.
2. Ka cryptographic kuleana pili i
Kēiaʻano ua hoʻohana 'ia e hoʻopale ai i ku e ke aliiwahine ke kōkua o (Makalu). Ka mea, ae 'oe e nānā i ike ina ua ike i ka palaho i ka hopena o ka LP i ka hoolilo ana o waihona ma luna o ka mea ulana pukapuka. Oiaio hasa mea akea i loaʻa i loko o keia hihia, a me ka kūpono waihona hasa hiki ke Me ka hoʻohana i ka ai iiiaanoaa o okoa papahana. Mau helehelena lōʻihi ke ola a me ka pilina paʻa ana, a me ka huli 'ana no ka hookui hookahe koko ana (e hiki ihoiho hualoaʻa mai kekahi kumuʻikepili) ka loa huikau. Na oihana e hoʻohana no ka pūnaewele i loko o ka'ōlelo huna hōkeoʻikepili (SH1, SH2, MD5) a me nā waiwai 'ike.
3. Ke kuleana pili i ua papahana e ho okumu i ka efficientʻikepili 'ole
Kona manao oʻano olelo hoopomaikai a me ka pololei oe hui o ka 'ike i loko o ka kūikawā' ole, a ua kapaia ka hasaʻaina. Kēia papa apono 'oe, e hui aku hou ike, e kāpae i' ike, a me ka huli 'ana i nā koiʻikepili ma kiʻekiʻe loa ka māmā holo.
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