{"id":35584,"date":"2025-11-05T17:08:33","date_gmt":"2025-11-05T10:08:33","guid":{"rendered":"https:\/\/interdata.vn\/blog\/?p=35584"},"modified":"2025-11-05T17:39:57","modified_gmt":"2025-11-05T10:39:57","slug":"ma-hoa-aes-256-la-gi","status":"publish","type":"post","link":"https:\/\/interdata.vn\/blog\/ma-hoa-aes-256-la-gi\/","title":{"rendered":"M\u00e3 h\u00f3a AES 256 l\u00e0 g\u00ec? Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng, \u01b0u \u0111i\u1ec3m v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-white ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed8I DUNG<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/interdata.vn\/blog\/ma-hoa-aes-256-la-gi\/#Ma-hoa-AES-la-gi\" >M\u00e3 h\u00f3a AES l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/interdata.vn\/blog\/ma-hoa-aes-256-la-gi\/#Ma-hoa-AES-256-la-gi\" >M\u00e3 h\u00f3a AES 256 l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/interdata.vn\/blog\/ma-hoa-aes-256-la-gi\/#Nguyen-ly-hoat-dong-cua-AES-256\" >Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a AES 256<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/interdata.vn\/blog\/ma-hoa-aes-256-la-gi\/#Vi-sao-AES-256-duoc-xem-la-an-toan-nhat-hien-nay\" >V\u00ec sao AES 256 \u0111\u01b0\u1ee3c xem l\u00e0 an to\u00e0n nh\u1ea5t hi\u1ec7n nay?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/interdata.vn\/blog\/ma-hoa-aes-256-la-gi\/#Ung-dung-cua-ma-hoa-AES-256-trong-thuc-te\" >\u1ee8ng d\u1ee5ng c\u1ee7a m\u00e3 h\u00f3a AES 256 trong th\u1ef1c t\u1ebf<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/interdata.vn\/blog\/ma-hoa-aes-256-la-gi\/#So-sanh-AES-256-voi-cac-thuat-toan-ma-hoa-khac\" >So s\u00e1nh AES 256 v\u1edbi c\u00e1c thu\u1eadt to\u00e1n m\u00e3 h\u00f3a kh\u00e1c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/interdata.vn\/blog\/ma-hoa-aes-256-la-gi\/#Cach-ap-dung-AES-256-trong-bao-mat-du-lieu-ca-nhan\" >C\u00e1ch \u00e1p d\u1ee5ng AES 256 trong b\u1ea3o m\u1eadt d\u1eef li\u1ec7u c\u00e1 nh\u00e2n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/interdata.vn\/blog\/ma-hoa-aes-256-la-gi\/#Mot-so-cau-hoi-thuong-gap-FAQs\" >M\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQs)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/interdata.vn\/blog\/ma-hoa-aes-256-la-gi\/#AES-co-phai-la-ma-hoa-doi-xung-khong\" >AES c\u00f3 ph\u1ea3i l\u00e0 m\u00e3 h\u00f3a \u0111\u1ed1i x\u1ee9ng kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/interdata.vn\/blog\/ma-hoa-aes-256-la-gi\/#AES-256-co-the-bi-hack-duoc-khong\" >AES 256 c\u00f3 th\u1ec3 b\u1ecb hack \u0111\u01b0\u1ee3c kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/interdata.vn\/blog\/ma-hoa-aes-256-la-gi\/#AES-256-co-nhanh-hon-RSA-khong\" >AES 256 c\u00f3 nhanh h\u01a1n RSA kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/interdata.vn\/blog\/ma-hoa-aes-256-la-gi\/#Toi-co-the-tu-ap-dung-AES-256-cho-file-ca-nhan-khong\" >T\u00f4i c\u00f3 th\u1ec3 t\u1ef1 \u00e1p d\u1ee5ng AES 256 cho file c\u00e1 nh\u00e2n kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/interdata.vn\/blog\/ma-hoa-aes-256-la-gi\/#AES-256-co-duoc-dung-trong-blockchain-hay-khong\" >AES 256 c\u00f3 \u0111\u01b0\u1ee3c d\u00f9ng trong blockchain hay kh\u00f4ng?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<p>Trong b\u1ed1i c\u1ea3nh k\u1ef9 thu\u1eadt s\u1ed1 hi\u1ec7n nay, b\u1ea3o m\u1eadt d\u1eef li\u1ec7u l\u00e0 \u01b0u ti\u00ean h\u00e0ng \u0111\u1ea7u. B\u1ea1n \u0111\u00e3 bao gi\u1edd nghe \u0111\u1ebfn &#8220;m\u00e3 h\u00f3a c\u1ea5p qu\u00e2n s\u1ef1&#8221; AES 256 v\u00e0 t\u1ef1 h\u1ecfi \u0111\u1ecbnh ngh\u0129a c\u1ee7a thu\u1eadt ng\u1eef n\u00e0y l\u00e0 g\u00ec ch\u01b0a? \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng thu\u1eadt to\u00e1n m\u00e3 h\u00f3a m\u1ea1nh m\u1ebd v\u00e0 \u0111\u01b0\u1ee3c tin d\u00f9ng nh\u1ea5t hi\u1ec7n nay, t\u1eeb c\u00e1c giao d\u1ecbch ng\u00e2n h\u00e0ng \u0111\u1ebfn vi\u1ec7c b\u1ea3o v\u1ec7 tin nh\u1eafn c\u1ee7a b\u1ea1n. C\u00f9ng <a href=\"https:\/\/interdata.vn\/\"><strong>InterData<\/strong><\/a> t\u00ecm hi\u1ec3u to\u00e0n b\u1ed9 v\u1ec1 m\u00e3 h\u00f3a AES 256, c\u00e1ch ph\u01b0\u01a1ng ph\u00e1p n\u00e0y ho\u1ea1t \u0111\u1ed9ng v\u00e0 t\u1ea1i sao l\u1ea1i tr\u1edf th\u00e0nh l\u00e1 ch\u1eafn v\u1eefng ch\u1eafc cho m\u1ecdi d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m trong b\u00e0i vi\u1ebft n\u00e0y.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Ma-hoa-AES-la-gi\"><\/span>M\u00e3 h\u00f3a AES l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>M\u00e3 h\u00f3a AES (Advanced Encryption Standard) l\u00e0 m\u1ed9t thu\u1eadt to\u00e1n m\u00e3 h\u00f3a kh\u1ed1i \u0111\u1ed1i x\u1ee9ng. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 thu\u1eadt to\u00e1n s\u1eed d\u1ee5ng c\u00f9ng m\u1ed9t kh\u00f3a b\u00ed m\u1eadt \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u1ea3 hai qu\u00e1 tr\u00ecnh m\u00e3 h\u00f3a (bi\u1ebfn \u0111\u1ed5i d\u1eef li\u1ec7u sang d\u1ea1ng kh\u00f4ng \u0111\u1ecdc \u0111\u01b0\u1ee3c) v\u00e0 gi\u1ea3i m\u00e3 (chuy\u1ec3n ng\u01b0\u1ee3c l\u1ea1i d\u1ea1ng ban \u0111\u1ea7u).<\/p>\n<p>AES x\u1eed l\u00fd d\u1eef li\u1ec7u theo t\u1eebng &#8220;kh\u1ed1i&#8221; (block) c\u00f3 k\u00edch th\u01b0\u1edbc c\u1ed1 \u0111\u1ecbnh l\u00e0 128 bit. Thu\u1eadt to\u00e1n n\u00e0y c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng v\u1edbi ba \u0111\u1ed9 d\u00e0i kh\u00f3a kh\u00e1c nhau: 128, 192 ho\u1eb7c 256 bit. V\u1edbi t\u00ednh an to\u00e0n v\u01b0\u1ee3t tr\u1ed9i v\u00e0 hi\u1ec7u su\u1ea5t cao, AES \u0111\u00e3 nhanh ch\u00f3ng tr\u1edf th\u00e0nh ti\u00eau chu\u1ea9n m\u00e3 h\u00f3a \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng tr\u00ean to\u00e0n c\u1ea7u.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-35590\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/11\/Ma-hoa-AES.jpg\" alt=\"M\u00e3 h\u00f3a AES\" width=\"600\" height=\"420\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/11\/Ma-hoa-AES.jpg 600w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/11\/Ma-hoa-AES-300x210.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p><strong>L\u1ecbch s\u1eed ph\u00e1t tri\u1ec3n c\u1ee7a AES<\/strong><\/p>\n<p>Tr\u01b0\u1edbc khi AES ra \u0111\u1eddi, th\u1ebf gi\u1edbi c\u00f4ng ngh\u1ec7 ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ed9t ti\u00eau chu\u1ea9n m\u00e3 h\u00f3a c\u0169 h\u01a1n l\u00e0 DES (Data Encryption Standard), \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n t\u1eeb nh\u1eefng n\u0103m 1970. Tuy nhi\u00ean, v\u1edbi s\u1ef1 ti\u1ebfn b\u1ed9 c\u1ee7a c\u00f4ng ngh\u1ec7 m\u00e1y t\u00ednh, kh\u00f3a 56-bit c\u1ee7a DES d\u1ea7n tr\u1edf n\u00ean y\u1ebfu \u1edbt v\u00e0 c\u00f3 th\u1ec3 b\u1ecb b\u1ebb g\u00e3y.<\/p>\n<p>Nh\u1eadn th\u1ea5y nhu c\u1ea7u v\u1ec1 m\u1ed9t ti\u00eau chu\u1ea9n an to\u00e0n h\u01a1n, Vi\u1ec7n Ti\u00eau chu\u1ea9n v\u00e0 C\u00f4ng ngh\u1ec7 Qu\u1ed1c gia Hoa K\u1ef3 (NIST) \u0111\u00e3 kh\u1edfi x\u01b0\u1edbng m\u1ed9t cu\u1ed9c thi v\u00e0o n\u0103m 1997 \u0111\u1ec3 t\u00ecm ki\u1ebfm ng\u01b0\u1eddi k\u1ebf nhi\u1ec7m cho DES. Sau nhi\u1ec1u v\u00f2ng \u0111\u00e1nh gi\u00e1 nghi\u00eam ng\u1eb7t, thu\u1eadt to\u00e1n c\u00f3 t\u00ean &#8220;Rijndael&#8221;, do hai nh\u00e0 m\u1eadt m\u00e3 h\u1ecdc ng\u01b0\u1eddi B\u1ec9 l\u00e0 Vincent Rijmen v\u00e0 Joan Daemen ph\u00e1t tri\u1ec3n, \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ecdn. V\u00e0o n\u0103m 2001, NIST ch\u00ednh th\u1ee9c c\u00f4ng b\u1ed1 Rijndael l\u00e0 ti\u00eau chu\u1ea9n AES m\u1edbi.<\/p>\n<p><strong>V\u00ec sao AES \u0111\u01b0\u1ee3c tin t\u01b0\u1edfng v\u00e0 s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i?<\/strong><\/p>\n<p>AES \u0111\u01b0\u1ee3c tin t\u01b0\u1edfng tr\u00ean to\u00e0n c\u1ea7u v\u00ec s\u1ef1 k\u1ebft h\u1ee3p ho\u00e0n h\u1ea3o gi\u1eefa ba y\u1ebfu t\u1ed1: <strong>B\u1ea3o m\u1eadt<\/strong>, <strong>T\u1ed1c \u0111\u1ed9<\/strong> v\u00e0 <strong>Hi\u1ec7u qu\u1ea3<\/strong>.<\/p>\n<ul>\n<li><strong>B\u1ea3o m\u1eadt:<\/strong> C\u1ea5u tr\u00fac to\u00e1n h\u1ecdc ph\u1ee9c t\u1ea1p c\u1ee7a AES khi\u1ebfn cho c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng gi\u1ea3i m\u00e3 tr\u1edf n\u00ean c\u1ef1c k\u1ef3 kh\u00f3 kh\u0103n.<\/li>\n<li><strong>T\u1ed1c \u0111\u1ed9:<\/strong> Thu\u1eadt to\u00e1n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 tr\u00ean nhi\u1ec1u lo\u1ea1i ph\u1ea7n c\u1ee9ng, t\u1eeb c\u00e1c m\u00e1y ch\u1ee7 m\u1ea1nh m\u1ebd \u0111\u1ebfn nh\u1eefng thi\u1ebft b\u1ecb di \u0111\u1ed9ng nh\u1ecf g\u1ecdn, m\u00e0 kh\u00f4ng l\u00e0m \u1ea3nh h\u01b0\u1edfng nhi\u1ec1u \u0111\u1ebfn hi\u1ec7u su\u1ea5t.<\/li>\n<li><strong>C\u00f4ng nh\u1eadn:<\/strong> AES \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m \u0111\u1ecbnh v\u00e0 ph\u00ea duy\u1ec7t b\u1edfi nhi\u1ec1u t\u1ed5 ch\u1ee9c uy t\u00edn, bao g\u1ed3m c\u1ea3 C\u01a1 quan An ninh Qu\u1ed1c gia Hoa K\u1ef3 (NSA), cho ph\u00e9p s\u1eed d\u1ee5ng \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u00e1c th\u00f4ng tin c\u1ea5p ch\u00ednh ph\u1ee7.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Ma-hoa-AES-256-la-gi\"><\/span>M\u00e3 h\u00f3a AES 256 l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>M\u00e3 h\u00f3a AES-256 l\u00e0 phi\u00ean b\u1ea3n m\u1ea1nh m\u1ebd v\u00e0 an to\u00e0n nh\u1ea5t c\u1ee7a Ti\u00eau chu\u1ea9n M\u00e3 h\u00f3a N\u00e2ng cao. Con s\u1ed1 &#8220;256&#8221; trong t\u00ean g\u1ecdi ch\u1ec9 \u0111\u1ed9 d\u00e0i c\u1ee7a kh\u00f3a m\u00e3 h\u00f3a: 256 bit. \u0110\u00e2y l\u00e0 m\u1ed9t chu\u1ed7i g\u1ed3m 256 k\u00fd t\u1ef1 nh\u1ecb ph\u00e2n (0 v\u00e0 1), t\u1ea1o ra m\u1ed9t kh\u00f4ng gian kh\u00f3a c\u1ef1c k\u1ef3 l\u1edbn.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-35587\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/11\/Ma-hoa-AES-256-hinh1.jpg\" alt=\"M\u00e3 h\u00f3a AES 256\" width=\"600\" height=\"420\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/11\/Ma-hoa-AES-256-hinh1.jpg 600w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/11\/Ma-hoa-AES-256-hinh1-300x210.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>H\u00e3y h\u00ecnh dung r\u1eb1ng m\u1ed7i kh\u00f3a l\u00e0 m\u1ed9t chi\u1ebfc ch\u00eca kh\u00f3a duy nh\u1ea5t \u0111\u1ec3 m\u1edf m\u1ed9t \u1ed5 kh\u00f3a. V\u1edbi kh\u00f3a d\u00e0i 256 bit, t\u1ed5ng s\u1ed1 l\u01b0\u1ee3ng ch\u00eca kh\u00f3a c\u00f3 th\u1ec3 c\u00f3 l\u00e0 2^256. Con s\u1ed1 n\u00e0y l\u1edbn \u0111\u1ebfn m\u1ee9c kh\u00f4ng th\u1ec3 t\u01b0\u1edfng t\u01b0\u1ee3ng n\u1ed5i, v\u01b0\u1ee3t xa s\u1ed1 l\u01b0\u1ee3ng nguy\u00ean t\u1eed trong v\u0169 tr\u1ee5 quan s\u00e1t \u0111\u01b0\u1ee3c. Ch\u00ednh v\u00ec \u0111\u1ed9 ph\u1ee9c t\u1ea1p n\u00e0y, AES-256 \u0111\u01b0\u1ee3c xem l\u00e0 b\u1ea5t kh\u1ea3 thi \u0111\u1ec3 b\u1ebb kh\u00f3a b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p t\u1ea5n c\u00f4ng &#8220;brute-force&#8221; (th\u1eed t\u1ea5t c\u1ea3 c\u00e1c kh\u00f3a c\u00f3 th\u1ec3) v\u1edbi c\u00f4ng ngh\u1ec7 m\u00e1y t\u00ednh hi\u1ec7n t\u1ea1i v\u00e0 trong t\u01b0\u01a1ng lai g\u1ea7n.<\/p>\n<p><strong>So s\u00e1nh nhanh gi\u1eefa AES 128, 192 v\u00e0 256<\/strong><\/p>\n<p>S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa ba bi\u1ebfn th\u1ec3 c\u1ee7a AES n\u1eb1m \u1edf \u0111\u1ed9 d\u00e0i kh\u00f3a v\u00e0 s\u1ed1 v\u00f2ng l\u1eb7p x\u1eed l\u00fd d\u1eef li\u1ec7u.<\/p>\n<table style=\"width: 100%; border-collapse: collapse; background: #ffffff; color: #000000;\">\n<thead>\n<tr>\n<th style=\"padding: 12px; border: 1px solid #555555; text-align: left; color: #ffffff; background: linear-gradient(90deg,#0A4FF6,#3AA0FF);\">Ti\u00eau ch\u00ed<\/th>\n<th style=\"padding: 12px; border: 1px solid #555555; text-align: left; color: #ffffff; background: linear-gradient(90deg,#0A4FF6,#3AA0FF);\">AES-128<\/th>\n<th style=\"padding: 12px; border: 1px solid #555555; text-align: left; color: #ffffff; background: linear-gradient(90deg,#0A4FF6,#3AA0FF);\">AES-192<\/th>\n<th style=\"padding: 12px; border: 1px solid #555555; text-align: left; color: #ffffff; background: linear-gradient(90deg,#0A4FF6,#3AA0FF);\">AES-256<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #555555; background: #ffffff; color: #000000;\">\u0110\u1ed9 d\u00e0i kh\u00f3a<\/td>\n<td style=\"padding: 12px; border: 1px solid #555555; background: #ffffff; color: #000000;\">128 bit<\/td>\n<td style=\"padding: 12px; border: 1px solid #555555; background: #ffffff; color: #000000;\">192 bit<\/td>\n<td style=\"padding: 12px; border: 1px solid #555555; background: #ffffff; color: #000000;\">256 bit<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #555555; background: #ffffff; color: #000000;\">S\u1ed1 v\u00f2ng l\u1eb7p<\/td>\n<td style=\"padding: 12px; border: 1px solid #555555; background: #ffffff; color: #000000;\">10 v\u00f2ng<\/td>\n<td style=\"padding: 12px; border: 1px solid #555555; background: #ffffff; color: #000000;\">12 v\u00f2ng<\/td>\n<td style=\"padding: 12px; border: 1px solid #555555; background: #ffffff; color: #000000;\">14 v\u00f2ng<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #555555; background: #ffffff; color: #000000;\">\u0110\u1ed9 b\u1ea3o m\u1eadt<\/td>\n<td style=\"padding: 12px; border: 1px solid #555555; background: #ffffff; color: #000000;\">Cao<\/td>\n<td style=\"padding: 12px; border: 1px solid #555555; background: #ffffff; color: #000000;\">R\u1ea5t cao<\/td>\n<td style=\"padding: 12px; border: 1px solid #555555; background: #ffffff; color: #000000;\">Cao nh\u1ea5t<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #555555; background: #ffffff; color: #000000;\">T\u1ed1c \u0111\u1ed9<\/td>\n<td style=\"padding: 12px; border: 1px solid #555555; background: #ffffff; color: #000000;\">Nhanh nh\u1ea5t<\/td>\n<td style=\"padding: 12px; border: 1px solid #555555; background: #ffffff; color: #000000;\">Nhanh<\/td>\n<td style=\"padding: 12px; border: 1px solid #555555; background: #ffffff; color: #000000;\">Nhanh (ch\u1eadm h\u01a1n m\u1ed9t ch\u00fat)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0110\u1ed9 d\u00e0i kh\u00f3a c\u00e0ng l\u1edbn, s\u1ed1 v\u00f2ng l\u1eb7p m\u00e3 h\u00f3a c\u00e0ng nhi\u1ec1u, gi\u00fap d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c x\u00e1o tr\u1ed9n v\u00e0 khu\u1ebfch t\u00e1n t\u1ed1t h\u01a1n, t\u1eeb \u0111\u00f3 t\u0103ng c\u01b0\u1eddng \u0111\u00e1ng k\u1ec3 m\u1ee9c \u0111\u1ed9 b\u1ea3o m\u1eadt. Trong khi AES-128 \u0111\u00e3 \u0111\u1ee7 an to\u00e0n cho h\u1ea7u h\u1ebft c\u00e1c \u1ee9ng d\u1ee5ng h\u00e0ng ng\u00e0y, AES-256 th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u01b0u ti\u00ean cho c\u00e1c h\u1ec7 th\u1ed1ng y\u00eau c\u1ea7u m\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7 cao nh\u1ea5t nh\u01b0 trong l\u0129nh v\u1ef1c qu\u00e2n s\u1ef1, ch\u00ednh ph\u1ee7, v\u00e0 giao d\u1ecbch t\u00e0i ch\u00ednh quan tr\u1ecdng.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Nguyen-ly-hoat-dong-cua-AES-256\"><\/span>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a AES 256<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 hi\u1ec3u c\u00e1ch AES-256 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u, ch\u00fang ta c\u1ea7n xem x\u00e9t quy tr\u00ecnh m\u00e3 h\u00f3a v\u00e0 gi\u1ea3i m\u00e3 c\u1ee7a thu\u1eadt to\u00e1n n\u00e0y. Quy tr\u00ecnh di\u1ec5n ra qua nhi\u1ec1u v\u00f2ng l\u1eb7p, m\u1ed7i v\u00f2ng l\u1eb7p bao g\u1ed3m c\u00e1c b\u01b0\u1edbc bi\u1ebfn \u0111\u1ed5i to\u00e1n h\u1ecdc ph\u1ee9c t\u1ea1p.<\/p>\n<p>AES-256 x\u1eed l\u00fd d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o (plaintext) b\u1eb1ng c\u00e1ch chia th\u00e0nh c\u00e1c kh\u1ed1i 128-bit. M\u1ed7i kh\u1ed1i d\u1eef li\u1ec7u n\u00e0y s\u1ebd tr\u1ea3i qua 14 v\u00f2ng l\u1eb7p bi\u1ebfn \u0111\u1ed5i. Tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u, kh\u1ed1i d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u1edbi m\u1ed9t &#8220;kh\u00f3a v\u00f2ng&#8221; ban \u0111\u1ea7u. Sau \u0111\u00f3, 13 v\u00f2ng l\u1eb7p ti\u1ebfp theo th\u1ef1c hi\u1ec7n 4 b\u01b0\u1edbc bi\u1ebfn \u0111\u1ed5i ch\u00ednh, v\u00e0 v\u00f2ng cu\u1ed1i c\u00f9ng c\u00f3 m\u1ed9t ch\u00fat kh\u00e1c bi\u1ec7t.<\/p>\n<p><strong>C\u00e1c b\u01b0\u1edbc ch\u00ednh trong m\u1ed7i v\u00f2ng l\u1eb7p AES:<\/strong><\/p>\n<ul>\n<li><strong>SubBytes (Thay th\u1ebf byte):<\/strong> M\u1ed7i byte trong kh\u1ed1i d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c thay th\u1ebf b\u1eb1ng m\u1ed9t byte kh\u00e1c d\u1ef1a tr\u00ean m\u1ed9t b\u1ea3ng tra c\u1ee9u \u0111\u1ecbnh s\u1eb5n g\u1ecdi l\u00e0 S-box. Qu\u00e1 tr\u00ecnh n\u00e0y t\u1ea1o ra s\u1ef1 x\u00e1o tr\u1ed9n, l\u00e0m cho m\u1ed1i quan-h\u1ec7 gi\u1eefa d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra tr\u1edf n\u00ean phi tuy\u1ebfn t\u00ednh v\u00e0 kh\u00f3 \u0111o\u00e1n. B\u1ea1n c\u00f3 th\u1ec3 h\u00ecnh dung b\u01b0\u1edbc n\u00e0y gi\u1ed1ng nh\u01b0 vi\u1ec7c thay th\u1ebf m\u1ed7i ch\u1eef c\u00e1i trong m\u1ed9t th\u00f4ng \u0111i\u1ec7p b\u1eb1ng m\u1ed9t k\u00fd t\u1ef1 kh\u00e1c theo m\u1ed9t b\u1ea3ng m\u1eadt m\u00e3 b\u00ed m\u1eadt.<\/li>\n<li><strong>ShiftRows (D\u1ecbch h\u00e0ng):<\/strong> C\u00e1c byte trong m\u1ed7i h\u00e0ng c\u1ee7a kh\u1ed1i d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c d\u1ecbch chuy\u1ec3n v\u00f2ng tr\u00f2n sang tr\u00e1i v\u1edbi m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng v\u1ecb tr\u00ed nh\u1ea5t \u0111\u1ecbnh. H\u00e0ng \u0111\u1ea7u ti\u00ean kh\u00f4ng d\u1ecbch chuy\u1ec3n, h\u00e0ng th\u1ee9 hai d\u1ecbch 1 byte, h\u00e0ng th\u1ee9 ba d\u1ecbch 2 byte v\u00e0 h\u00e0ng th\u1ee9 t\u01b0 d\u1ecbch 3 byte. B\u01b0\u1edbc n\u00e0y gi\u00fap khu\u1ebfch t\u00e1n d\u1eef li\u1ec7u theo chi\u1ec1u ngang, \u0111\u1ea3m b\u1ea3o c\u00e1c byte \u1edf c\u1ed9t n\u00e0y s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c c\u1ed9t kh\u00e1c trong nh\u1eefng v\u00f2ng l\u1eb7p sau.<\/li>\n<li><strong>MixColumns (Tr\u1ed9n c\u1ed9t):<\/strong> B\u01b0\u1edbc n\u00e0y th\u1ef1c hi\u1ec7n m\u1ed9t ph\u00e9p nh\u00e2n ma tr\u1eadn tr\u00ean t\u1eebng c\u1ed9t c\u1ee7a kh\u1ed1i d\u1eef li\u1ec7u. K\u1ebft qu\u1ea3 l\u00e0 m\u1ed7i byte trong m\u1ed9t c\u1ed9t m\u1edbi l\u00e0 s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c byte trong c\u1ed9t c\u0169. \u0110i\u1ec1u n\u00e0y ti\u1ebfp t\u1ee5c khu\u1ebfch t\u00e1n d\u1eef li\u1ec7u theo chi\u1ec1u d\u1ecdc, t\u0103ng c\u01b0\u1eddng m\u1ee9c \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a m\u00e3 h\u00f3a.<\/li>\n<li><strong>AddRoundKey (Th\u00eam kh\u00f3a v\u00f2ng):<\/strong> T\u1ea1i b\u01b0\u1edbc cu\u1ed1i c\u00f9ng c\u1ee7a m\u1ed7i v\u00f2ng, kh\u1ed1i d\u1eef li\u1ec7u hi\u1ec7n t\u1ea1i \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u1edbi m\u1ed9t &#8220;kh\u00f3a v\u00f2ng&#8221; (round key) t\u01b0\u01a1ng \u1ee9ng b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ph\u00e9p to\u00e1n XOR. M\u1ed7i v\u00f2ng trong s\u1ed1 14 v\u00f2ng s\u1ebd s\u1eed d\u1ee5ng m\u1ed9t kh\u00f3a v\u00f2ng kh\u00e1c nhau, \u0111\u01b0\u1ee3c t\u1ea1o ra t\u1eeb kh\u00f3a 256-bit ban \u0111\u1ea7u th\u00f4ng qua m\u1ed9t thu\u1eadt to\u00e1n ri\u00eang g\u1ecdi l\u00e0 &#8220;Key Expansion&#8221;.<\/li>\n<\/ul>\n<p>Qu\u00e1 tr\u00ecnh gi\u1ea3i m\u00e3 s\u1ebd th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc n\u00e0y theo th\u1ee9 t\u1ef1 ng\u01b0\u1ee3c l\u1ea1i (Inverse MixColumns, Inverse ShiftRows, Inverse SubBytes) \u0111\u1ec3 kh\u00f4i ph\u1ee5c d\u1eef li\u1ec7u ban \u0111\u1ea7u t\u1eeb b\u1ea3n m\u00e3.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Vi-sao-AES-256-duoc-xem-la-an-toan-nhat-hien-nay\"><\/span>V\u00ec sao AES 256 \u0111\u01b0\u1ee3c xem l\u00e0 an to\u00e0n nh\u1ea5t hi\u1ec7n nay?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>AES-256 \u0111\u01b0\u1ee3c c\u1ed9ng \u0111\u1ed3ng an ninh m\u1ea1ng v\u00e0 m\u1eadt m\u00e3 h\u1ecdc to\u00e0n c\u1ea7u c\u00f4ng nh\u1eadn l\u00e0 m\u1ed9t trong nh\u1eefng ti\u00eau chu\u1ea9n m\u00e3 h\u00f3a an to\u00e0n nh\u1ea5t, v\u00e0 c\u00f3 nhi\u1ec1u l\u00fd do v\u1eefng ch\u1eafc cho s\u1ef1 c\u00f4ng nh\u1eadn n\u00e0y.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-35588\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/11\/Ma-hoa-AES-256-hinh2.jpg\" alt=\"M\u00e3 h\u00f3a AES 256\" width=\"600\" height=\"420\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/11\/Ma-hoa-AES-256-hinh2.jpg 600w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/11\/Ma-hoa-AES-256-hinh2-300x210.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p><strong>AES 256 c\u00f3 th\u1ec3 b\u1ecb b\u1ebb kh\u00f3a kh\u00f4ng?<\/strong><\/p>\n<p>C\u00e2u tr\u1ea3 l\u1eddi ng\u1eafn g\u1ecdn l\u00e0: V\u1ec1 m\u1eb7t th\u1ef1c t\u1ebf, l\u00e0 kh\u00f4ng. K\u1ebb t\u1ea5n c\u00f4ng kh\u00f4ng c\u00f3 c\u00e1ch n\u00e0o kh\u00e1c hi\u1ec7u qu\u1ea3 h\u01a1n vi\u1ec7c ph\u1ea3i th\u1eed m\u1ecdi kh\u00f3a c\u00f3 th\u1ec3 c\u00f3 (t\u1ea5n c\u00f4ng brute-force). V\u1edbi kh\u00f3a 256-bit, s\u1ed1 l\u01b0\u1ee3ng t\u1ed5 h\u1ee3p kh\u00f3a l\u00e0 2^256.<\/p>\n<p>\u0110\u1ec3 b\u1ea1n d\u1ec5 h\u00ecnh dung con s\u1ed1 n\u00e0y l\u1edbn \u0111\u1ebfn m\u1ee9c n\u00e0o: n\u1ebfu b\u1ea1n c\u00f3 m\u1ed9t si\u00eau m\u00e1y t\u00ednh m\u1ea1nh nh\u1ea5t th\u1ebf gi\u1edbi hi\u1ec7n nay v\u00e0 \u0111\u1ec3 c\u1ed7 m\u00e1y n\u00e0y th\u1eed c\u00e1c kh\u00f3a li\u00ean t\u1ee5c, s\u1ebd ph\u1ea3i m\u1ea5t h\u00e0ng t\u1ef7 t\u1ef7 n\u0103m m\u1edbi c\u00f3 th\u1ec3 th\u1eed h\u1ebft \u0111\u01b0\u1ee3c m\u1ecdi kh\u1ea3 n\u0103ng. Kho\u1ea3ng th\u1eddi gian n\u00e0y c\u00f2n d\u00e0i h\u01a1n tu\u1ed5i c\u1ee7a v\u0169 tr\u1ee5. V\u00ec v\u1eady, vi\u1ec7c b\u1ebb kh\u00f3a AES-256 b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p brute-force l\u00e0 ho\u00e0n to\u00e0n b\u1ea5t kh\u1ea3 thi v\u1edbi c\u00f4ng ngh\u1ec7 hi\u1ec7n t\u1ea1i.<\/p>\n<p><strong>S\u1ef1 c\u00f4ng nh\u1eadn t\u1eeb c\u00e1c t\u1ed5 ch\u1ee9c h\u00e0ng \u0111\u1ea7u<\/strong><\/p>\n<p>Uy t\u00edn c\u1ee7a AES-256 kh\u00f4ng ch\u1ec9 \u0111\u1ebfn t\u1eeb \u0111\u1ed9 ph\u1ee9c t\u1ea1p to\u00e1n h\u1ecdc. Thu\u1eadt to\u00e1n n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00e1c t\u1ed5 ch\u1ee9c an ninh nghi\u00eam ng\u1eb7t nh\u1ea5t th\u1ebf gi\u1edbi ki\u1ec3m \u0111\u1ecbnh v\u00e0 ph\u00ea duy\u1ec7t:<\/p>\n<ul>\n<li><strong>Vi\u1ec7n Ti\u00eau chu\u1ea9n v\u00e0 C\u00f4ng ngh\u1ec7 Qu\u1ed1c gia Hoa K\u1ef3 (NIST):<\/strong> AES l\u00e0 ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 ch\u00ednh th\u1ee9c trong t\u00e0i li\u1ec7u FIPS 197.<\/li>\n<li><strong>C\u01a1 quan An ninh Qu\u1ed1c gia Hoa K\u1ef3 (NSA):<\/strong> NSA \u0111\u00e3 ph\u00ea duy\u1ec7t AES-256 \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u00e1c th\u00f4ng tin thu\u1ed9c lo\u1ea1i &#8220;T\u1ed1i m\u1eadt&#8221; c\u1ee7a ch\u00ednh ph\u1ee7 M\u1ef9.<\/li>\n<\/ul>\n<p>S\u1ef1 t\u00edn nhi\u1ec7m t\u1eeb c\u00e1c t\u1ed5 ch\u1ee9c n\u00e0y l\u00e0 m\u1ed9t minh ch\u1ee9ng m\u1ea1nh m\u1ebd cho th\u1ea5y \u0111\u1ed9 tin c\u1eady v\u00e0 kh\u1ea3 n\u0103ng b\u1ea3o m\u1eadt v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a AES-256. Cho \u0111\u1ebfn nay, ch\u01b0a c\u00f3 m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng th\u1ef1c t\u1ebf n\u00e0o th\u00e0nh c\u00f4ng trong vi\u1ec7c ph\u00e1 v\u1ee1 ho\u00e0n to\u00e0n thu\u1eadt to\u00e1n n\u00e0y.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Ung-dung-cua-ma-hoa-AES-256-trong-thuc-te\"><\/span>\u1ee8ng d\u1ee5ng c\u1ee7a m\u00e3 h\u00f3a AES 256 trong th\u1ef1c t\u1ebf<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>B\u1ea1n c\u00f3 th\u1ec3 kh\u00f4ng nh\u1eadn ra, nh\u01b0ng b\u1ea1n \u0111ang t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00f4ng ngh\u1ec7 m\u00e3 h\u00f3a AES-256 g\u1ea7n nh\u01b0 m\u1ed7i ng\u00e0y. Ti\u00eau chu\u1ea9n n\u00e0y l\u00e0 n\u1ec1n t\u1ea3ng b\u1ea3o m\u1eadt cho v\u00f4 s\u1ed1 \u1ee9ng d\u1ee5ng v\u00e0 d\u1ecbch v\u1ee5 m\u00e0 ch\u00fang ta s\u1eed d\u1ee5ng.<\/p>\n<ul>\n<li><strong>B\u1ea3o m\u1eadt k\u1ebft n\u1ed1i Internet (SSL\/TLS):<\/strong> Khi b\u1ea1n th\u1ea5y bi\u1ec3u t\u01b0\u1ee3ng \u1ed5 kh\u00f3a tr\u00ean thanh \u0111\u1ecba ch\u1ec9 c\u1ee7a tr\u00ecnh duy\u1ec7t web (k\u1ebft n\u1ed1i HTTPS), \u0111i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 d\u1eef li\u1ec7u trao \u0111\u1ed5i gi\u1eefa b\u1ea1n v\u00e0 trang web \u0111ang \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7. AES-256 l\u00e0 m\u1ed9t trong nh\u1eefng thu\u1eadt to\u00e1n ch\u00ednh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong giao th\u1ee9c SSL\/TLS \u0111\u1ec3 m\u00e3 h\u00f3a d\u1eef li\u1ec7u n\u00e0y.<\/li>\n<li><strong>M\u1ea1ng Wi-Fi an to\u00e0n:<\/strong> C\u00e1c ti\u00eau chu\u1ea9n b\u1ea3o m\u1eadt Wi-Fi hi\u1ec7n \u0111\u1ea1i nh\u01b0 WPA2 v\u00e0 WPA3 \u0111\u1ec1u s\u1eed d\u1ee5ng AES \u0111\u1ec3 b\u1ea3o v\u1ec7 l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng kh\u00f4ng d\u00e2y c\u1ee7a b\u1ea1n, ng\u0103n ch\u1eb7n k\u1ebb gian nghe l\u00e9n th\u00f4ng tin.<\/li>\n<li><strong>D\u1ecbch v\u1ee5 M\u1ea1ng ri\u00eang \u1ea3o (VPN):<\/strong> VPN t\u1ea1o ra m\u1ed9t &#8220;\u0111\u01b0\u1eddng h\u1ea7m&#8221; an to\u00e0n cho d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n tr\u00ean Internet. H\u1ea7u h\u1ebft c\u00e1c nh\u00e0 cung c\u1ea5p VPN uy t\u00edn \u0111\u1ec1u d\u00f9ng AES-256 \u0111\u1ec3 m\u00e3 h\u00f3a to\u00e0n b\u1ed9 d\u1eef li\u1ec7u \u0111i qua \u0111\u01b0\u1eddng h\u1ea7m n\u00e0y.<\/li>\n<li><strong>M\u00e3 h\u00f3a \u1ed5 c\u1ee9ng:<\/strong> C\u00e1c h\u1ec7 \u0111i\u1ec1u h\u00e0nh ph\u1ed5 bi\u1ebfn \u0111\u1ec1u t\u00edch h\u1ee3p c\u00f4ng c\u1ee5 m\u00e3 h\u00f3a \u1ed5 \u0111\u0129a to\u00e0n ph\u1ea7n s\u1eed d\u1ee5ng AES. V\u00ed d\u1ee5 nh\u01b0 <strong>BitLocker<\/strong> tr\u00ean Windows v\u00e0 <strong>FileVault<\/strong> tr\u00ean macOS. C\u00e1c c\u00f4ng c\u1ee5 n\u00e0y b\u1ea3o v\u1ec7 to\u00e0n b\u1ed9 d\u1eef li\u1ec7u tr\u00ean m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n trong tr\u01b0\u1eddng h\u1ee3p m\u00e1y b\u1ecb m\u1ea5t c\u1eafp.<\/li>\n<li><strong>L\u01b0u tr\u1eef \u0111\u00e1m m\u00e2y:<\/strong> C\u00e1c d\u1ecbch v\u1ee5 nh\u01b0 Google Drive, Dropbox, v\u00e0 Microsoft OneDrive s\u1eed d\u1ee5ng AES-256 \u0111\u1ec3 m\u00e3 h\u00f3a c\u00e1c t\u1ec7p tin c\u1ee7a b\u1ea1n khi ch\u00fang \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef tr\u00ean m\u00e1y ch\u1ee7 c\u1ee7a h\u1ecd.<\/li>\n<li><strong>\u1ee8ng d\u1ee5ng nh\u1eafn tin v\u00e0 email b\u1ea3o m\u1eadt:<\/strong> C\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 m\u00e3 h\u00f3a \u0111\u1ea7u cu\u1ed1i nh\u01b0 <strong>Signal<\/strong> v\u00e0 <strong>WhatsApp<\/strong> d\u00f9ng AES-256 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ec9 ng\u01b0\u1eddi g\u1eedi v\u00e0 ng\u01b0\u1eddi nh\u1eadn m\u1edbi c\u00f3 th\u1ec3 \u0111\u1ecdc \u0111\u01b0\u1ee3c n\u1ed9i dung tin nh\u1eafn.<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-35586\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/11\/Cac-ung-dung-cua-ma-hoa-AES-256.jpg\" alt=\"C\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a m\u00e3 h\u00f3a AES 256\" width=\"600\" height=\"420\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/11\/Cac-ung-dung-cua-ma-hoa-AES-256.jpg 600w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/11\/Cac-ung-dung-cua-ma-hoa-AES-256-300x210.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"So-sanh-AES-256-voi-cac-thuat-toan-ma-hoa-khac\"><\/span>So s\u00e1nh AES 256 v\u1edbi c\u00e1c thu\u1eadt to\u00e1n m\u00e3 h\u00f3a kh\u00e1c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 th\u1ea5y r\u00f5 v\u1ecb th\u1ebf c\u1ee7a AES-256, h\u00e3y \u0111\u1eb7t thu\u1eadt to\u00e1n n\u00e0y l\u00ean b\u00e0n c\u00e2n so s\u00e1nh v\u1edbi m\u1ed9t s\u1ed1 thu\u1eadt to\u00e1n m\u00e3 h\u00f3a ph\u1ed5 bi\u1ebfn kh\u00e1c.<\/p>\n<p><strong>AES 256 vs AES 128<\/strong><\/p>\n<p>C\u1ea3 hai \u0111\u1ec1u thu\u1ed9c ti\u00eau chu\u1ea9n AES nh\u01b0ng kh\u00e1c nhau v\u1ec1 \u0111\u1ed9 d\u00e0i kh\u00f3a. AES-128 nhanh h\u01a1n m\u1ed9t ch\u00fat v\u00ec ch\u1ec9 c\u1ea7n 10 v\u00f2ng l\u1eb7p x\u1eed l\u00fd. Tuy nhi\u00ean, AES-256 v\u1edbi 14 v\u00f2ng l\u1eb7p v\u00e0 kh\u00f4ng gian kh\u00f3a l\u1edbn h\u01a1n nhi\u1ec1u mang l\u1ea1i m\u1ee9c \u0111\u1ed9 b\u1ea3o m\u1eadt cao h\u01a1n \u0111\u00e1ng k\u1ec3. L\u1ef1a ch\u1ecdn gi\u1eefa hai phi\u00ean b\u1ea3n n\u00e0y th\u01b0\u1eddng l\u00e0 s\u1ef1 \u0111\u00e1nh \u0111\u1ed5i gi\u1eefa hi\u1ec7u su\u1ea5t v\u00e0 m\u1ee9c \u0111\u1ed9 an to\u00e0n y\u00eau c\u1ea7u. \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea7n b\u1ea3o m\u1eadt c\u1ea5p cao, AES-256 lu\u00f4n l\u00e0 l\u1ef1a ch\u1ecdn \u0111\u01b0\u1ee3c \u01b0u ti\u00ean.<\/p>\n<p><strong>AES vs RSA<\/strong><\/p>\n<p>\u0110\u00e2y l\u00e0 s\u1ef1 so s\u00e1nh gi\u1eefa hai lo\u1ea1i m\u00e3 h\u00f3a kh\u00e1c nhau v\u1ec1 b\u1ea3n ch\u1ea5t:<\/p>\n<ul>\n<li><strong>AES (M\u00e3 h\u00f3a \u0111\u1ed1i x\u1ee9ng):<\/strong> S\u1eed d\u1ee5ng chung m\u1ed9t kh\u00f3a \u0111\u1ec3 m\u00e3 h\u00f3a v\u00e0 gi\u1ea3i m\u00e3. R\u1ea5t nhanh v\u00e0 hi\u1ec7u qu\u1ea3 trong vi\u1ec7c m\u00e3 h\u00f3a l\u01b0\u1ee3ng l\u1edbn d\u1eef li\u1ec7u.<\/li>\n<li><strong>RSA (M\u00e3 h\u00f3a b\u1ea5t \u0111\u1ed1i x\u1ee9ng):<\/strong> S\u1eed d\u1ee5ng m\u1ed9t c\u1eb7p kh\u00f3a: kh\u00f3a c\u00f4ng khai (public key) \u0111\u1ec3 m\u00e3 h\u00f3a v\u00e0 kh\u00f3a b\u00ed m\u1eadt (private key) \u0111\u1ec3 gi\u1ea3i m\u00e3. Qu\u00e1 tr\u00ecnh n\u00e0y ch\u1eadm h\u01a1n nhi\u1ec1u so v\u1edbi AES.<\/li>\n<\/ul>\n<p>Trong th\u1ef1c t\u1ebf, AES v\u00e0 RSA th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u00f9ng nhau. V\u00ed d\u1ee5, trong m\u1ed9t k\u1ebft n\u1ed1i HTTPS, RSA \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 trao \u0111\u1ed5i kh\u00f3a AES m\u1ed9t c\u00e1ch an to\u00e0n. Sau khi c\u1ea3 hai b\u00ean \u0111\u00e3 c\u00f3 kh\u00f3a chung, k\u1ebft n\u1ed1i s\u1ebd chuy\u1ec3n sang d\u00f9ng AES \u0111\u1ec3 m\u00e3 h\u00f3a d\u1eef li\u1ec7u v\u00ec t\u1ed1c \u0111\u1ed9 nhanh h\u01a1n.<\/p>\n<p><strong>AES vs DES<\/strong><\/p>\n<p>\u0110\u00e2y l\u00e0 s\u1ef1 so s\u00e1nh gi\u1eefa m\u1ed9t ti\u00eau chu\u1ea9n hi\u1ec7n \u0111\u1ea1i v\u00e0 m\u1ed9t ti\u00eau chu\u1ea9n \u0111\u00e3 l\u1ed7i th\u1eddi. DES ch\u1ec9 s\u1eed d\u1ee5ng kh\u00f3a d\u00e0i 56-bit, qu\u00e1 ng\u1eafn v\u00e0 c\u00f3 th\u1ec3 b\u1ecb b\u1ebb kh\u00f3a trong v\u00f2ng v\u00e0i gi\u1edd v\u1edbi ph\u1ea7n c\u1ee9ng hi\u1ec7n \u0111\u1ea1i. AES ra \u0111\u1eddi \u0111\u1ec3 thay th\u1ebf DES, mang l\u1ea1i \u0111\u1ed9 d\u00e0i kh\u00f3a l\u1edbn h\u01a1n nhi\u1ec1u (t\u1ed1i thi\u1ec3u 128-bit) v\u00e0 m\u1ed9t c\u1ea5u tr\u00fac to\u00e1n h\u1ecdc v\u1eefng ch\u1eafc h\u01a1n, khi\u1ebfn AES tr\u1edf n\u00ean v\u01b0\u1ee3t tr\u1ed9i ho\u00e0n to\u00e0n v\u1ec1 m\u1eb7t b\u1ea3o m\u1eadt.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cach-ap-dung-AES-256-trong-bao-mat-du-lieu-ca-nhan\"><\/span>C\u00e1ch \u00e1p d\u1ee5ng AES 256 trong b\u1ea3o m\u1eadt d\u1eef li\u1ec7u c\u00e1 nh\u00e2n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>B\u1ea1n kh\u00f4ng c\u1ea7n ph\u1ea3i l\u00e0 m\u1ed9t chuy\u00ean gia m\u1eadt m\u00e3 \u0111\u1ec3 t\u1eadn d\u1ee5ng s\u1ee9c m\u1ea1nh b\u1ea3o v\u1ec7 c\u1ee7a AES-256. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 v\u00e0i c\u00e1ch \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng ti\u00eau chu\u1ea9n n\u00e0y \u0111\u1ec3 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u c\u1ee7a m\u00ecnh.<\/p>\n<p><strong>B\u1eadt m\u00e3 h\u00f3a \u1ed5 \u0111\u0129a tr\u00ean m\u00e1y t\u00ednh<\/strong><\/p>\n<p>\u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7u qu\u1ea3 nh\u1ea5t \u0111\u1ec3 b\u1ea3o v\u1ec7 to\u00e0n b\u1ed9 d\u1eef li\u1ec7u tr\u00ean thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n.<\/p>\n<ul>\n<li><strong>Tr\u00ean Windows:<\/strong> B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng t\u00ednh n\u0103ng <strong>BitLocker<\/strong> (th\u01b0\u1eddng c\u00f3 s\u1eb5n trong c\u00e1c phi\u00ean b\u1ea3n Pro, Enterprise). Truy c\u1eadp Control Panel, t\u00ecm BitLocker Drive Encryption v\u00e0 l\u00e0m theo h\u01b0\u1edbng d\u1eabn \u0111\u1ec3 m\u00e3 h\u00f3a \u1ed5 \u0111\u0129a h\u1ec7 \u0111i\u1ec1u h\u00e0nh v\u00e0 c\u00e1c \u1ed5 \u0111\u0129a kh\u00e1c.<\/li>\n<li><strong>Tr\u00ean macOS:<\/strong> S\u1eed d\u1ee5ng t\u00ednh n\u0103ng <strong>FileVault<\/strong>. V\u00e0o System Settings &gt; Privacy &amp; Security, t\u00ecm m\u1ee5c FileVault v\u00e0 b\u1eadt t\u00ednh n\u0103ng n\u00e0y l\u00ean.<\/li>\n<\/ul>\n<p><strong>S\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m n\u00e9n t\u1ec7p c\u00f3 m\u00e3 h\u00f3a<\/strong><\/p>\n<p>Khi b\u1ea1n c\u1ea7n g\u1eedi c\u00e1c t\u1ec7p tin nh\u1ea1y c\u1ea3m qua email ho\u1eb7c l\u01b0u tr\u1eef ch\u00fang, b\u1ea1n c\u00f3 th\u1ec3 n\u00e9n ch\u00fang l\u1ea1i v\u00e0 \u0111\u1eb7t m\u1eadt kh\u1ea9u. C\u00e1c ph\u1ea7n m\u1ec1m ph\u1ed5 bi\u1ebfn nh\u01b0 <strong>7-Zip<\/strong> ho\u1eb7c <strong>WinRAR<\/strong> cho ph\u00e9p b\u1ea1n ch\u1ecdn thu\u1eadt to\u00e1n m\u00e3 h\u00f3a l\u00e0 AES-256.<\/p>\n<p><strong>L\u01b0u \u00fd quan tr\u1ecdng v\u1ec1 qu\u1ea3n l\u00fd kh\u00f3a v\u00e0 m\u1eadt kh\u1ea9u<\/strong><\/p>\n<p>Khi s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 m\u00e3 h\u00f3a, m\u1eadt kh\u1ea9u c\u1ee7a b\u1ea1n ch\u00ednh l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 gi\u1ea3i m\u00e3 d\u1eef li\u1ec7u. N\u1ebfu b\u1ea1n qu\u00ean ho\u1eb7c l\u00e0m m\u1ea5t m\u1eadt kh\u1ea9u, b\u1ea1n c\u0169ng s\u1ebd m\u1ea5t quy\u1ec1n truy c\u1eadp v\u00e0o d\u1eef li\u1ec7u c\u1ee7a m\u00ecnh v\u0129nh vi\u1ec5n. V\u00ec v\u1eady, h\u00e3y lu\u00f4n \u0111\u1eb7t m\u1eadt kh\u1ea9u m\u1ea1nh v\u00e0 c\u1ea5t gi\u1eef kh\u00f3a kh\u00f4i ph\u1ee5c (recovery key) \u1edf m\u1ed9t n\u01a1i an to\u00e0n.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Mot-so-cau-hoi-thuong-gap-FAQs\"><\/span>M\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQs)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"AES-co-phai-la-ma-hoa-doi-xung-khong\"><\/span>AES c\u00f3 ph\u1ea3i l\u00e0 m\u00e3 h\u00f3a \u0111\u1ed1i x\u1ee9ng kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u00fang v\u1eady. AES l\u00e0 m\u1ed9t thu\u1eadt to\u00e1n m\u00e3 h\u00f3a \u0111\u1ed1i x\u1ee9ng. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 thu\u1eadt to\u00e1n s\u1eed d\u1ee5ng c\u00f9ng m\u1ed9t kh\u00f3a b\u00ed m\u1eadt duy nh\u1ea5t cho c\u1ea3 qu\u00e1 tr\u00ecnh m\u00e3 h\u00f3a (kh\u00f3a d\u1eef li\u1ec7u) v\u00e0 gi\u1ea3i m\u00e3 (m\u1edf kh\u00f3a d\u1eef li\u1ec7u).<\/p>\n<h3><span class=\"ez-toc-section\" id=\"AES-256-co-the-bi-hack-duoc-khong\"><\/span>AES 256 c\u00f3 th\u1ec3 b\u1ecb hack \u0111\u01b0\u1ee3c kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>V\u1ec1 m\u1eb7t th\u1ef1c t\u1ebf l\u00e0 kh\u00f4ng. M\u1eb7c d\u00f9 v\u1ec1 l\u00fd thuy\u1ebft m\u1ecdi thu\u1eadt to\u00e1n \u0111\u1ec1u c\u00f3 th\u1ec3 b\u1ecb t\u1ea5n c\u00f4ng brute-force, nh\u01b0ng v\u1edbi AES-256, vi\u1ec7c th\u1eed m\u1ecdi t\u1ed5 h\u1ee3p kh\u00f3a s\u1ebd m\u1ea5t h\u00e0ng t\u1ef7 t\u1ef7 n\u0103m v\u1edbi c\u00f4ng ngh\u1ec7 hi\u1ec7n t\u1ea1i. Do \u0111\u00f3, AES-256 \u0111\u01b0\u1ee3c coi l\u00e0 c\u1ef1c k\u1ef3 an to\u00e0n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"AES-256-co-nhanh-hon-RSA-khong\"><\/span>AES 256 c\u00f3 nhanh h\u01a1n RSA kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u00f3, AES-256 nhanh h\u01a1n RSA r\u1ea5t nhi\u1ec1u. Do b\u1ea3n ch\u1ea5t l\u00e0 m\u00e3 h\u00f3a \u0111\u1ed1i x\u1ee9ng, AES \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 x\u1eed l\u00fd d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao. Ng\u01b0\u1ee3c l\u1ea1i, RSA l\u00e0 m\u00e3 h\u00f3a b\u1ea5t \u0111\u1ed1i x\u1ee9ng, c\u00f3 c\u00e1c ph\u00e9p to\u00e1n ph\u1ee9c t\u1ea1p h\u01a1n n\u00ean ch\u1eadm h\u01a1n \u0111\u00e1ng k\u1ec3 v\u00e0 th\u01b0\u1eddng ch\u1ec9 d\u00f9ng \u0111\u1ec3 trao \u0111\u1ed5i kh\u00f3a ho\u1eb7c t\u1ea1o ch\u1eef k\u00fd s\u1ed1.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Toi-co-the-tu-ap-dung-AES-256-cho-file-ca-nhan-khong\"><\/span>T\u00f4i c\u00f3 th\u1ec3 t\u1ef1 \u00e1p d\u1ee5ng AES 256 cho file c\u00e1 nh\u00e2n kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ho\u00e0n to\u00e0n c\u00f3 th\u1ec3. C\u00e1ch \u0111\u01a1n gi\u1ea3n nh\u1ea5t l\u00e0 s\u1eed d\u1ee5ng c\u00e1c ph\u1ea7n m\u1ec1m n\u00e9n t\u1ec7p nh\u01b0 7-Zip, cho ph\u00e9p b\u1ea1n ch\u1ecdn m\u00e3 h\u00f3a AES-256 khi t\u1ea1o m\u1ed9t t\u1ec7p n\u00e9n c\u00f3 m\u1eadt kh\u1ea9u. Ngo\u00e0i ra, vi\u1ec7c k\u00edch ho\u1ea1t m\u00e3 h\u00f3a to\u00e0n b\u1ed9 \u1ed5 \u0111\u0129a nh\u01b0 BitLocker (Windows) hay FileVault (macOS) c\u0169ng l\u00e0 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 \u0111\u1ec3 b\u1ea3o v\u1ec7 t\u1ea5t c\u1ea3 c\u00e1c t\u1ec7p c\u1ee7a b\u1ea1n b\u1eb1ng AES.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"AES-256-co-duoc-dung-trong-blockchain-hay-khong\"><\/span>AES 256 c\u00f3 \u0111\u01b0\u1ee3c d\u00f9ng trong blockchain hay kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u00f3, nh\u01b0ng kh\u00f4ng ph\u1ea3i cho ch\u1ee9c n\u0103ng c\u1ed1t l\u00f5i. C\u00f4ng ngh\u1ec7 Blockchain th\u01b0\u1eddng s\u1eed d\u1ee5ng m\u00e3 h\u00f3a b\u1ea5t \u0111\u1ed1i x\u1ee9ng (nh\u01b0 ECDSA) \u0111\u1ec3 x\u00e1c th\u1ef1c giao d\u1ecbch v\u00e0 t\u1ea1o ch\u1eef k\u00fd s\u1ed1. Tuy nhi\u00ean, AES-256 v\u1eabn c\u00f3 vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c m\u00e3 h\u00f3a d\u1eef li\u1ec7u ngo\u00e0i chu\u1ed7i (off-chain) ho\u1eb7c b\u1ea3o v\u1ec7 v\u00ed ph\u1ea7n m\u1ec1m l\u01b0u tr\u1eef tr\u00ean m\u00e1y t\u00ednh c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trong b\u1ed1i c\u1ea3nh k\u1ef9 thu\u1eadt s\u1ed1 hi\u1ec7n nay, b\u1ea3o m\u1eadt d\u1eef li\u1ec7u l\u00e0 \u01b0u ti\u00ean h\u00e0ng \u0111\u1ea7u. B\u1ea1n \u0111\u00e3 bao gi\u1edd nghe \u0111\u1ebfn &#8220;m\u00e3 h\u00f3a c\u1ea5p qu\u00e2n s\u1ef1&#8221; AES 256 v\u00e0 t\u1ef1 h\u1ecfi \u0111\u1ecbnh ngh\u0129a c\u1ee7a thu\u1eadt ng\u1eef n\u00e0y l\u00e0 g\u00ec ch\u01b0a? \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng thu\u1eadt to\u00e1n m\u00e3 h\u00f3a m\u1ea1nh m\u1ebd v\u00e0 \u0111\u01b0\u1ee3c<\/p>\n","protected":false},"author":2,"featured_media":35589,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[83],"tags":[],"class_list":["post-35584","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bao-mat-an-ninh-mang"],"_links":{"self":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/35584","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/comments?post=35584"}],"version-history":[{"count":4,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/35584\/revisions"}],"predecessor-version":[{"id":35593,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/35584\/revisions\/35593"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media\/35589"}],"wp:attachment":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media?parent=35584"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/categories?post=35584"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/tags?post=35584"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}