2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
3. Ib qho kev sib txawv cryptanalysis. Xyoo 1990, Eli Biham thiab Adi Shamir qhia txog kev sib txawv cryptanalysis, xaiv-kev tawm tsam rau cryptanalyzing ciphers raws li kev hloov pauv thiab kev hloov pauv.
Dab tsi yog qhov sib txawv cryptanalysis?
Differential cryptanalysis yog daim ntawv dav dav ntawm cryptanalysis siv feem ntau los thaiv cov ntawv ciphers, tab sis kuj tseem tso cov ciphers thiab cryptographic hash ua haujlwm. Hauv kev nkag siab dav dav, nws yog kev kawm txog qhov sib txawv ntawm cov ntaub ntawv tawm tswv yim tuaj yeem cuam tshuam qhov sib txawv ntawm cov zis.
Leej twg invented Des?
IBM tsim DES hauv xyoo 1970s raws li Horst Feistel tus qauv ua ntej. Nws tau xa mus rau Tsoomfwv Meskas tus thawj coj rau National Institute of Standards and Technology (NIST) hauv kev teb rau kev hu xovtooj rau hauv Tebchaws Europe), 9th-xyoo pua Arab polymath, hauv Risalah fi Istikhraj al-Mu'amma (Ib Phau Ntawv Qhia Txog Kev Txiav Txim Cov Lus Cryptographic).
Thaum twg cryptanalysis tau tsim?
A US Army cryptologist uas tau sau lo lus "cryptanalysis", William decrypted Japanese diplomatic lus thaum Ntiaj Teb Tsov Rog II thiab xov tooj zais cia hauv 1924 Teapot Dome Scandal uas ua rau kev tawm haujlwm ntawm cov thawj coj hauv tebchaws Meskas. North vs South.
Pom zoo:
Puas yog txawv txawv thiab txawv txawv lossis cov lus sib txawv?
Cov lus txawv txawv thiab txawv txawv yog synonyms, tab sis txawv ntawm nuance. Tshwj xeeb, alienate tej zaum yuav los yog tsis qhia kev sib cais tab sis ib txwm hais txog kev poob kev hlub lossis kev txaus siab. Dab tsi yog lub ntsiab lus ntawm alienate?
Kev sib koom ua ke sib txawv ntawm pawg neeg sib raug zoo li cas?
Kev sib sau xa mus rau cov koom haum kev sib raug zoo, thaum kev sib sau ua ke yog ntau qhov ntawm cov tib neeg thiab cov pab pawg me tau txuas los yog muaj kev sib txuas mus rau qhov dav dav ntawm kev sib koom ua ke. Cov pab pawg sib txawv li cas ntawm pawg neeg?
Puas yog kev sib ntaus sib tua ntawm kev sib ntaus sib tua?
Kev sib ntaus sib tua ntawm Hastings, uas Anglo-Saxon huab tais Harold II tau sim tiv thaiv nws lub tebchaws los ntawm kev tawm tsam ntawm William, duke ntawm Normandy (tom qab hu ua William tus Conqueror), tau tshwm sim rau 14 October 1066.
Qhov sib txawv thiab tus qauv sib txawv li cas?
Qhov sib txawv yog qhov nruab nrab ntawm qhov sib txawv ntawm qhov sib txawv ntawm qhov nruab nrab. … qauv sib txawv yog lub hauv paus square ntawm qhov sib txawv kom tus qauv sib txawv yuav yog li 3.03. Vim hais tias ntawm no squaring, qhov sib txawv tsis nyob rau hauv tib chav tsev ntawm kev ntsuas raws li cov ntaub ntawv qub.
Lub teb chaws twg yog qhov sib txawv ntawm poj niam txiv neej qhov sib txawv?
Cov kws sau ntawv pom tias qhov sib txawv ntawm poj niam txiv neej ntawm rau qhov zoo tshaj plaws hauv Canada, Tebchaws Meskas, United Kingdom, Sweden thiab Australia. Lub teb chaws twg hauv qab no yog qhov sib txawv ntawm poj niam txiv neej qhov sib txawv?
