Private key encryption ua haujlwm li cas?
Private key encryption ua haujlwm li cas?

Video: Private key encryption ua haujlwm li cas?

Video: Private key encryption ua haujlwm li cas?
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Yuav rov qab: Public keycryptography tso cai rau ib tug neeg xa lawv pej xeem key hauv qhov qhib, tsis ruaj ntseg channel. Muaj phooj ywg pej xeem key tso cai rau koj encryption lus rau lawv. Koj tus yuam sij ntiag tug yog siv los decrypt cov lus encrypted rau koj.

Kuj kom paub yog, koj puas tau encrypt nrog pej xeem lossis tus yuam sij ntiag tug?

Cov ntaub ntawv encrypted nrog lub public key tau tsuas yog decrypted nrog cov tus yuam sij ntiag tug , thiab cov ntaub ntawv encrypted nrog lub private key tau tsuas yog decrypted nrog cov pej xeem key . Public key encryption Nws tseem hu ua asymmetrical encryption . Nws yog dav siv, tshwj xeeb tshaj yog rau TLS / SSL, uas ua rau HTTPS ua tau.

Tsis tas li ntawd, tus yuam sij ntiag tug ua haujlwm li cas? Private Key . Cov tus yuam sij ntiag tug yog a tus yuam sij zais cia uas yog siv los decrypt cov lus thiab tog paub nws qhov kev sib pauv lus. Nyob rau hauv txoj kev cai, a tus yuam sij zais cia yog qhia nyob rau hauv kev sib txuas lus kom pab encryption thiab decryption cov lus, tab sis yog hais tias tus tus yuam sij ploj lawm, lub kaw lus yuav void.

Kuj kom paub, tus yuam sij ntiag tug tuaj yeem siv rau kev encryption?

Private key encryption yog daim ntawv ntawm encryption qhov twg tsuas yog ib leeg xwb tus yuam sij ntiag tug tuaj yeem nkag mus thiab decrypt cov ntaub ntawv. Nws yog txheej txheem ceev txij li nws siv ib ib tus yuam sij . Txawm li cas los xij, tiv thaiv ib qho tus yuam sij tsim ib tus yuam sij kev tswj qhov teeb meem thaum sawv daws siv cov yuam sij ntiag tug . Cov tus yuam sij ntiag tug tej zaum yuav raug nyiag los yog xau.

Leej twg khaws tus yuam sij ntiag tug?

Kev lees paub hauv ntiaj teb online vam khom rau pej xeem key cryptoography qhov twg a tus yuam sij muaj ob ntu: a tus yuam sij ntiag tug khaws cia los ntawm tus tswv thiab a pej xeem key koom nrog lub ntiaj teb no. Tom qab lub pej xeem key encrypts cov ntaub ntawv, tsuas yog cov tus yuam sij ntiag tug tuaj yeem decrypt nws.

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