{"id":777,"date":"2026-06-17T06:59:05","date_gmt":"2026-06-17T06:59:05","guid":{"rendered":"https:\/\/www.hostx.eu\/kb\/ce-este-o-pereche-de-chei-publice-private\/"},"modified":"2026-07-26T15:16:31","modified_gmt":"2026-07-26T13:16:31","password":"","slug":"ce-este-o-pereche-de-chei-publice-private","status":"publish","type":"docs","link":"https:\/\/www.hostx.eu\/kb\/ce-este-o-pereche-de-chei-publice-private\/","title":{"rendered":"Ce este o pereche de chei public\u0103\/privat\u0103?"},"content":{"rendered":"<p>Cheia public\u0103 \u0219i cheia privat\u0103 fac parte din <strong>criptarea asimetric\u0103<\/strong>, folosit\u0103 pentru a securiza schimbul de informa\u021bii \u00een SSL\/TLS.<\/p>\n<h3>Cheia public\u0103<\/h3>\n<p>Este distribuit\u0103 liber. Oricine o poate folosi pentru a cripta un mesaj destinat de\u021bin\u0103torului, dar mesajul poate fi decriptat doar cu cheia privat\u0103 corespunz\u0103toare. La un certificat SSL, cheia public\u0103 este inclus\u0103 \u00een certificat.<\/p>\n<h3>Cheia privat\u0103<\/h3>\n<p>Este secret\u0103 \u0219i r\u0103m\u00e2ne pe server. Se folose\u0219te pentru a decripta datele \u0219i pentru a dovedi identitatea serverului. Dac\u0103 cheia privat\u0103 este compromis\u0103, certificatul trebuie revocat \u0219i reemis.<\/p>\n<p>Infrastructura cu chei publice (<strong>PKI<\/strong>) permite acest schimb sigur, leg\u00e2nd cheia public\u0103 de identitatea verificat\u0103 prin certificat.<\/p>\n<h3>Dimensiunea cheii \u0219i algoritmi<\/h3>\n<p>Cheile se genereaz\u0103 cu algoritmi <strong>RSA<\/strong>, <strong>ECDSA<\/strong> (ECC) sau EdDSA. Recomandarea minim\u0103 actual\u0103 este <strong>RSA 2048 bi\u021bi<\/strong> (sau ECDSA P-256, mai eficient). Cu c\u00e2t puterea de calcul cre\u0219te, cu at\u00e2t sunt necesare chei mai puternice pentru a rezista atacurilor brute-force.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cheia public\u0103 \u0219i cheia privat\u0103 fac parte din criptarea asimetric\u0103, folosit\u0103 pentru a securiza schimbul de informa\u021bii \u00een SSL\/TLS. Cheia public\u0103 Este distribuit\u0103 liber. Oricine o poate folosi pentru a cripta un mesaj destinat de\u021bin\u0103torului, dar mesajul poate fi decriptat doar cu cheia privat\u0103 corespunz\u0103toare. La un certificat SSL, cheia public\u0103 este inclus\u0103 \u00een certificat. &#8230; <a title=\"Ce este o pereche de chei public\u0103\/privat\u0103?\" class=\"read-more\" href=\"https:\/\/www.hostx.eu\/kb\/ce-este-o-pereche-de-chei-publice-private\/\" aria-label=\"Cite\u0219te mai multe despre Ce este o pereche de chei public\u0103\/privat\u0103?\">Cite\u0219te mai mult<\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"inline_featured_image":false,"whmcs_kb_id":1921,"footnotes":""},"doc_category":[92],"doc_tag":[241,345,245,246],"class_list":["post-777","docs","type-docs","status-publish","hentry","doc_category-certificate-ssl","doc_tag-certificat","doc_tag-criptare","doc_tag-securitate","doc_tag-ssl-tls"],"year_month":"2026-08","word_count":158,"total_views":"18","reactions":{"happy":"0","normal":"0","sad":"0"},"author_info":{"name":"Adrian Firican","author_nicename":"techeditor1","author_url":"https:\/\/www.hostx.eu\/kb\/author\/techeditor1\/"},"doc_category_info":[{"term_name":"Certificate SSL","term_url":"https:\/\/www.hostx.eu\/kb\/docs-category\/certificate-ssl\/"}],"doc_tag_info":[{"term_name":"certificat","term_url":"https:\/\/www.hostx.eu\/kb\/docs-tag\/certificat\/"},{"term_name":"criptare","term_url":"https:\/\/www.hostx.eu\/kb\/docs-tag\/criptare\/"},{"term_name":"securitate","term_url":"https:\/\/www.hostx.eu\/kb\/docs-tag\/securitate\/"},{"term_name":"SSL\/TLS","term_url":"https:\/\/www.hostx.eu\/kb\/docs-tag\/ssl-tls\/"}],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - 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