Video: Dab tsi yog symmetric cryptography algorithm?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Blowfish, AES, RC4, DES, RC5, thiab RC6 yog cov piv txwv ntawm symmetric encryption . Feem ntau siv symmetrical algorithm AES-128, AES-192, AES-256. Lub ntsiab tsis zoo ntawm lub symmetrical tus yuam sij encryption yog tias txhua tus neeg koom nrog yuav tsum tau pauv tus yuam sij siv rau encryption cov ntaub ntawv ua ntej lawv tuaj yeem decrypt nws.
Tsis tas li ntawd, dab tsi yog qhov zoo tshaj plaws symmetric encryption algorithm?
Triple DES Ib zaug, Triple DES yog tus qauv pom zoo thiab siv dav tshaj plaws symmetrical algorithm hauv kev lag luam. Triple DES siv peb tus yuam sij nrog 56 khoom txhua.
Ib tug kuj yuav nug, dab tsi algorithms siv nyob rau hauv symmetric encryption? Piv txwv ntawm nrov symmetrical - cov algorithms tseem ceeb suav nrog Twofish, Serpent, AES (Rijndael), Blowfish, CAST5, Kuznyechik, RC4, DES, 3DES, Skipjack, Safer++/++ (Bluetooth), thiab IDEA.
Tsis tas li ntawd, dab tsi yog txhais los ntawm symmetric cryptography?
Symmetric encryption yog ib encryption txheej txheem uas siv ib tug yuam sij rau encrypt (encode) thiab decrypt (decode) cov ntaub ntawv. Nws yog cov txheej txheem qub tshaj plaws thiab paub zoo tshaj plaws rau encryption . Tus yuam sij zais cia tuaj yeem yog lo lus, tus lej, lossis ib txoj hlua ntawm cov ntawv, thiab nws siv rau cov lus.
Puas yog AES yog tus lej cim?
AES tau txais los ntawm tsoomfwv Meskas thiab tam sim no siv thoob ntiaj teb. Cov algorithm piav los ntawm AES yog a symmetrical - qhov tseem ceeb algorithm , lub ntsiab lus ib yam tus yuam sij yog siv rau ob qho tib si encrypting thiab decrypting cov ntaub ntawv. Hauv Tebchaws Meskas, AES tau tshaj tawm los ntawm NIST li US FIPS PUB 197 (FIPS 197) thaum lub Kaum Ib Hlis 26, 2001.
Pom zoo:
Lub sij hawm complexity ntawm Prim lub algorithm yog dab tsi?
Lub sij hawm complexity ntawm Prim'sAlgorithm yog O ((V + E) l o g V) vim hais tias txhua vertex yog inserted nyob rau hauv qhov tseem ceeb queue ib zaug thiab insertion nyob rau hauv priorityqueue yuav siv sij hawm logarithmic
Puas yog elliptic nkhaus cryptography Quantum Secure?
Supersingular elliptic nkhaus isogeny cryptography Yog hais tias ib tug siv elliptic nkhaus taw tes compression rau pej xeem tus yuam sij yuav tsum tsis txhob ntau tshaj 8x768 los yog 6144 khoom nyob rau hauv ntev. Qhov no ua rau tus naj npawb ntawm cov khoom sib kis sib npaug rau qhov tsis yog-quantum ruaj ntseg RSA thiab Diffie-Hellman ntawm tib qib kev ruaj ntseg classical
Puas yog cryptography zoo ib yam li encryption?
Cryptography yog txoj kev kawm txog cov ntsiab lus zoo li Encryption, decryption, siv los muab kev sib txuas lus ruaj ntseg thaum encryption yog tus txheej txheem ntawm encoding cov lus nrog ib qho algorithm
Vim li cas lo lus symmetric siv nyob rau hauv symmetric key encryption?
Symmetric Encryption yog ob-txoj kev algorithm, vim hais tias tus lej algorithm yog thim rov qab thaum lub sij hawm decryption ntawm cov lus los ntawm tib tus yuam sij zais cia. Symmetric encryption, tseem nrov hu ua private-key encryption & secure-key encryption
Dab tsi asymmetric encryption algorithm yog siv rau symmetric key pauv?
Qhov feem ntau siv symmetrical algorithm yog AES-128, AES-192, thiab AES-256. Lub ntsiab tsis zoo ntawm tus yuam sij symmetric encryption yog tias txhua tus neeg koom nrog yuav tsum tau pauv tus yuam sij siv los encrypt cov ntaub ntawv ua ntej lawv tuaj yeem decrypt nws