{"id":119480,"date":"2024-08-14T09:43:01","date_gmt":"2024-08-14T07:43:01","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/nist-standartiziroval-tri-algoritma-postkvantovogo-shifrovaniya"},"modified":"2026-02-15T22:08:21","modified_gmt":"2026-02-15T20:08:21","slug":"nist-standartiziroval-tri-algoritma-postkvantovogo-shifrovaniya","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/nist-standartiziroval-tri-algoritma-postkvantovogo-shifrovaniya","title":{"rendered":"Il NIST ha standardizzato tre algoritmi di crittografia post-quantistica","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>L'Istituto Nazionale degli Standard e della Tecnologia degli Stati Uniti (NIST) ha presentato i primi tre standard che definiscono criptalgoritmi resistenti agli attacchi informatici su computer quantistici. Il primo algoritmo standardizzato (CRYSTALS-Kyber) definisce un metodo di incapsulamento delle chiavi ed \u00e8 destinato alla crittografia per lo scambio di dati, mentre gli altri due (CRYSTALS-Dilithium e Sphincs+) implementano varianti per la generazione di firme digitali che possono essere utilizzate per affrontare problemi legati all'autenticazione. Per evitare confusione, le varianti standardizzate degli algoritmi sono state rinominate: CRYSTALS-Kyber in ML-KEM, CRYSTALS-Dilithium in ML-DSA e Sphincs+ in SLH-DSA. Gli algoritmi scelti sono in fase di sviluppo dal 2016 e sono vincitori del concorso NIST per lo sviluppo di algoritmi di crittografia post-quantistica gi\u00e0 annunciato.      <\/p>\n<p>I computer quantistici, che si stanno sviluppando attivamente negli ultimi tempi, risolvono in modo radicalmente pi\u00f9 veloce i problemi di fattorizzazione di numeri naturali in fattori primi (RSA) e di logaritmizzazione discreta sui punti delle curve ellittiche (ECDSA), che sono alla base degli attuali algoritmi di crittografia asimmetrica a chiave pubblica, non risolvibili in modo efficace sui processori classici. Attualmente, le capacit\u00e0 dei computer quantistici non sono ancora sufficienti per compromettere gli algoritmi di crittografia e le firme digitali classiche basate su chiavi pubbliche, come l'ECDSA, ma si prevede che la situazione possa cambiare gi\u00e0 in questo decennio.    <\/p>\n<p>Standard adottati:  <\/p>\n<ul>\n<li class=\"l\"> FIPS 203 \u2014 considerato lo standard principale per <a href=\"https:\/\/prohoster.info\/it\/ssl-sertifikat\/gogetssl-multi-domain\/\"  data-wpil-monitor-id=\"3313\">di dati<\/a>, che utilizza l'algoritmo CRYSTALS-Kyber (ML-KEM \u2014 Module-Lattice Key-Encapsulation Mechanism) per organizzare lo scambio di chiavi tra le parti che effettuano la crittografia e la decrittografia dei dati. L'algoritmo CRYSTALS-Kyber utilizza metodi crittografici basati sulla soluzione di problemi della teoria delle reticoli, il cui tempo di risoluzione non differisce tra computer normali e quantistici. I vantaggi dell'algoritmo scelto sono la relativamente piccola dimensione delle chiavi e l'alta velocit\u00e0 di operazione.\n<li class=\"l\"> FIPS 204 \u2014 standard primario per la generazione di firme digitali, basato sull'algoritmo CRYSTALS-Dilithium (ML-DSA \u2014 Module-Lattice Digital Signature Algorithm), che, come CRYSTALS-Kyber, si basa sulla teoria delle reticoli.\n<li class=\"l\"> FIPS 205 \u2014 standard alternativo per la generazione di firme digitali, che utilizza l'algoritmo Sphincs+ (SLH-DSA \u2014 Stateless Hash-Based Digital Signature Algorithm), il quale applica metodi crittografici basati su funzioni hash. Sphincs+ \u00e8 meno efficiente rispetto a CRYSTALS-Dilithium in termini di dimensione delle firme e velocit\u00e0 di esecuzione, ma si basa su principi matematici completamente diversi, il che lo rende efficace in caso di compromissione degli algoritmi basati sulla teoria delle reticoli.     <\/ul>\n<p>Inoltre, entro la fine dell'anno \u00e8 previsto l'approvazione di un quarto standard \u2014 FIPS 206, destinato a lavorare con firme digitali e basato sull'algoritmo FALCON, che, come gli algoritmi CRYSTALS-Kyber e CRYSTALS-Dilithium, si basa sulla soluzione di problemi della teoria delle reticoli, ma a differenza di questi ultimi \u00e8 orientato ad applicazioni che richiedono una dimensione ridotta delle firme. La versione standardizzata dell'algoritmo FALCON sar\u00e0 fornita con il nome FN-DSA (FFT (Trasformata rapida di Fourier) over NTRU-Lattice Digital Signature Algorithm). Entro la fine dell'anno, \u00e8 anche previsto di scegliere algoritmi per la creazione di standard alternativi per la crittografia generale, che si baseranno su principi di funzionamento diversi rispetto a quelli utilizzati nello standard FIPS 203 basato sull'algoritmo CRYSTALS-Kyber.      <center>  <div class=\"youtube-placeholder\" data-id=\"vWJS62eIVxI\" onclick=\"loadVideo(this)\">\r\n        <img decoding=\"async\" src=\"https:\/\/img.youtube.com\/vi\/vWJS62eIVxI\/hqdefault.jpg\" alt=\"Guarda il video\" loading=\"lazy\" width=\"480\" height=\"360\" style=\"width:100%;height:auto;\">\r\n        <div class=\"play-button\"><\/div>\r\n    <\/div><\/center><br \/>\n<br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=61700\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041d\u0430\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u044b\u0439 \u0438\u043d\u0441\u0442\u0438\u0442\u0443\u0442 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043e\u0432 \u0438 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0439 \u0421\u0428\u0410 (NIST) \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b \u043f\u0435\u0440\u0432\u044b\u0435 \u0442\u0440\u0438 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430, \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u044e\u0449\u0438\u0435 \u043a\u0440\u0438\u043f\u0442\u043e\u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u044b, \u0441\u0442\u043e\u0439\u043a\u0438\u0435 \u043a \u043f\u043e\u0434\u0431\u043e\u0440\u0443 \u043d\u0430 \u043a\u0432\u0430\u043d\u0442\u043e\u0432\u043e\u043c \u043a\u043e\u043c\u043f\u044c\u044e\u0442\u0435\u0440\u0435. \u041f\u0435\u0440\u0432\u044b\u0439 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c (CRYSTALS-Kyber) \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u0435\u0442 \u0441\u043f\u043e\u0441\u043e\u0431 \u0438\u043d\u043a\u0430\u043f\u0441\u0443\u043b\u044f\u0446\u0438\u0438 \u043a\u043b\u044e\u0447\u0435\u0439 \u0438 \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d \u0434\u043b\u044f \u0448\u0438\u0444\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043e\u0431\u043c\u0435\u043d\u0430 \u0434\u0430\u043d\u043d\u044b\u043c\u0438, \u0430 \u0434\u0432\u0430 \u0434\u0440\u0443\u0433\u0438\u0445 (CRYSTALS-Dilithium \u0438 Sphincs+) \u0440\u0435\u0430\u043b\u0438\u0437\u0443\u044e\u0442 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u044b \u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0446\u0438\u0444\u0440\u043e\u0432\u044b\u0445 \u043f\u043e\u0434\u043f\u0438\u0441\u0435\u0439, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043c\u043e\u0433\u0443\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u0434\u043b\u044f \u0440\u0435\u0448\u0435\u043d\u0438\u044f \u0437\u0430\u0434\u0430\u0447, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0445 \u0441 \u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0435\u0439. \u0414\u043b\u044f \u0442\u043e\u0433\u043e, [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-119480","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041d\u0430\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u044b\u0439 \u0438\u043d\u0441\u0442\u0438\u0442\u0443\u0442 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043e\u0432 \u0438 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