{"id":478365,"date":"2023-08-09T09:31:45","date_gmt":"2023-08-09T09:31:45","guid":{"rendered":""},"modified":"2023-09-05T11:16:37","modified_gmt":"2023-09-05T11:16:37","slug":"password-salting","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/password-salting\/","title":{"rendered":"Mu\u1ed1i m\u1eadt kh\u1ea9u"},"content":{"rendered":"<p>Mu\u1ed1i m\u1eadt kh\u1ea9u l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt m\u00e3 h\u00f3a \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u1eadt kh\u1ea9u b\u1eb1ng c\u00e1ch th\u00eam m\u1ed9t chu\u1ed7i k\u00fd t\u1ef1, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cmu\u1ed1i\u201d v\u00e0o m\u1eadt kh\u1ea9u c\u1ee7a ng\u01b0\u1eddi d\u00f9ng tr\u01b0\u1edbc khi b\u0103m. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng ngay c\u1ea3 khi hai ng\u01b0\u1eddi d\u00f9ng c\u00f3 c\u00f9ng m\u1eadt kh\u1ea9u, gi\u00e1 tr\u1ecb b\u0103m c\u1ee7a h\u1ecd s\u1ebd kh\u00e1c nhau do mu\u1ed1i duy nh\u1ea5t. Quy tr\u00ecnh n\u00e0y t\u0103ng c\u01b0\u1eddng \u0111\u00e1ng k\u1ec3 t\u00ednh b\u1ea3o m\u1eadt c\u1ee7a m\u1eadt kh\u1ea9u \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef tr\u01b0\u1edbc c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng b\u1ea1o l\u1ef1c v\u00e0 b\u1ea3ng c\u1ea7u v\u1ed3ng.<\/p>\n<h2>L\u1ecbch s\u1eed ngu\u1ed3n g\u1ed1c c\u1ee7a vi\u1ec7c \u0111\u00e1nh mu\u1ed1i m\u1eadt kh\u1ea9u v\u00e0 l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u1ec1 c\u1eadp \u0111\u1ebfn n\u00f3<\/h2>\n<p>Vi\u1ec7c t\u1ea1o mu\u1ed1i m\u1eadt kh\u1ea9u \u0111\u00e3 xu\u1ea5t hi\u1ec7n t\u1eeb nh\u1eefng ng\u00e0y \u0111\u1ea7u c\u1ee7a h\u1ec7 \u0111i\u1ec1u h\u00e0nh UNIX. Robert Morris \u0111\u00e3 gi\u1edbi thi\u1ec7u t\u00ednh n\u0103ng mu\u1ed1i trong UNIX Phi\u00ean b\u1ea3n 3, ph\u00e1t h\u00e0nh n\u0103m 1979, \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng t\u00ednh b\u1ea3o m\u1eadt cho vi\u1ec7c b\u0103m m\u1eadt kh\u1ea9u. B\u1eb1ng c\u00e1ch tri\u1ec3n khai kh\u00e1i ni\u1ec7m \u0111\u01a1n gi\u1ea3n nh\u01b0ng m\u1ea1nh m\u1ebd n\u00e0y, t\u00ednh b\u1ea3o m\u1eadt c\u1ee7a m\u1eadt kh\u1ea9u \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong t\u1ec7p b\u00f3ng \u0111\u00e3 \u0111\u01b0\u1ee3c n\u00e2ng cao \u0111\u00e1ng k\u1ec3, d\u1eabn \u0111\u1ebfn vi\u1ec7c n\u00f3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u h\u1ec7 th\u1ed1ng kh\u00e1c nhau.<\/p>\n<h2>Th\u00f4ng tin chi ti\u1ebft v\u1ec1 vi\u1ec7c \u0111\u00e1nh mu\u1ed1i m\u1eadt kh\u1ea9u. M\u1edf r\u1ed9ng ch\u1ee7 \u0111\u1ec1 \u0110\u00e1nh mu\u1ed1i m\u1eadt kh\u1ea9u<\/h2>\n<p>Vi\u1ec7c t\u1ea1o mu\u1ed1i m\u1eadt kh\u1ea9u gi\u00fap gi\u1ea3m thi\u1ec3u r\u1ee7i ro li\u00ean quan \u0111\u1ebfn c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng b\u1ea1o l\u1ef1c v\u00e0 b\u1ea3ng c\u1ea7u v\u1ed3ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t c\u00e1i nh\u00ecn chi ti\u1ebft v\u1ec1 qu\u00e1 tr\u00ecnh n\u00e0y:<\/p>\n<ol>\n<li><strong>T\u1ea1o mu\u1ed1i:<\/strong> M\u1ed9t chu\u1ed7i ng\u1eabu nhi\u00ean \u0111\u01b0\u1ee3c t\u1ea1o ra d\u01b0\u1edbi d\u1ea1ng \u201cmu\u1ed1i\u201d.<\/li>\n<li><strong>N\u1ed1i:<\/strong> Mu\u1ed1i \u0111\u01b0\u1ee3c th\u00eam v\u00e0o m\u1eadt kh\u1ea9u c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/li>\n<li><strong>B\u0103m:<\/strong> Chu\u1ed7i n\u1ed1i sau \u0111\u00f3 \u0111\u01b0\u1ee3c b\u0103m b\u1eb1ng h\u00e0m b\u0103m m\u1eadt m\u00e3.<\/li>\n<li><strong>L\u01b0u tr\u1eef:<\/strong> C\u1ea3 mu\u1ed1i v\u00e0 h\u00e0m b\u0103m \u0111\u1ec1u \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong c\u01a1 s\u1edf d\u1eef li\u1ec7u.<\/li>\n<\/ol>\n<p>M\u1ed7i khi ng\u01b0\u1eddi d\u00f9ng \u0111\u0103ng nh\u1eadp, quy tr\u00ecnh s\u1ebd \u0111\u01b0\u1ee3c l\u1eb7p l\u1ea1i v\u00e0 h\u00e0m b\u0103m \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef s\u1ebd \u0111\u01b0\u1ee3c so s\u00e1nh v\u1edbi h\u00e0m b\u0103m \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n.<\/p>\n<h2>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a vi\u1ec7c t\u1ea1o mu\u1ed1i m\u1eadt kh\u1ea9u. C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a vi\u1ec7c t\u1ea1o mu\u1ed1i m\u1eadt kh\u1ea9u<\/h2>\n<ol>\n<li><strong>\u0110\u1ea7u v\u00e0o c\u1ee7a ng\u01b0\u1eddi d\u00f9ng:<\/strong> Ng\u01b0\u1eddi d\u00f9ng nh\u1eadp m\u1eadt kh\u1ea9u c\u1ee7a h\u1ecd.<\/li>\n<li><strong>L\u1ea5y mu\u1ed1i:<\/strong> H\u1ec7 th\u1ed1ng l\u1ea5y mu\u1ed1i \u0111\u00e3 l\u01b0u tr\u1eef cho ng\u01b0\u1eddi d\u00f9ng \u0111\u00f3.<\/li>\n<li><strong>N\u1ed1i v\u00e0 b\u0103m:<\/strong> H\u1ec7 th\u1ed1ng gh\u00e9p m\u1eadt kh\u1ea9u v\u00e0 mu\u1ed1i, b\u0103m k\u1ebft qu\u1ea3.<\/li>\n<li><strong>X\u00e1c minh:<\/strong> K\u1ebft qu\u1ea3 b\u0103m \u0111\u01b0\u1ee3c so s\u00e1nh v\u1edbi h\u00e0m b\u0103m \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef.<\/li>\n<\/ol>\n<h2>Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a vi\u1ec7c t\u1ea1o mu\u1ed1i m\u1eadt kh\u1ea9u<\/h2>\n<ul>\n<li><strong>T\u00ednh duy nh\u1ea5t:<\/strong> Ngay c\u1ea3 khi ng\u01b0\u1eddi d\u00f9ng chia s\u1ebb c\u00f9ng m\u1ed9t m\u1eadt kh\u1ea9u th\u00ec gi\u00e1 tr\u1ecb b\u0103m s\u1ebd kh\u00e1c nhau.<\/li>\n<li><strong>Kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i b\u1ea3ng c\u1ea7u v\u1ed3ng:<\/strong> L\u00e0m cho c\u00e1c b\u1ea3ng b\u0103m \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n tr\u01b0\u1edbc (b\u1ea3ng c\u1ea7u v\u1ed3ng) kh\u00f4ng hi\u1ec7u qu\u1ea3.<\/li>\n<li><strong>B\u1ea3o m\u1eadt n\u00e2ng cao:<\/strong> T\u0103ng \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng v\u0169 phu.<\/li>\n<\/ul>\n<h2>C\u00e1c lo\u1ea1i mu\u1ed1i m\u1eadt kh\u1ea9u. S\u1eed d\u1ee5ng b\u1ea3ng v\u00e0 danh s\u00e1ch \u0111\u1ec3 vi\u1ebft<\/h2>\n<table>\n<thead>\n<tr>\n<th>Ph\u01b0\u01a1ng ph\u00e1p<\/th>\n<th>S\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Mu\u1ed1i m\u1eadt m\u00e3<\/td>\n<td>S\u1eed d\u1ee5ng thu\u1eadt to\u00e1n m\u1eadt m\u00e3 \u0111\u1ec3 t\u1ea1o ra mu\u1ed1i.<\/td>\n<\/tr>\n<tr>\n<td>ti\u00eau<\/td>\n<td>K\u1ebft h\u1ee3p kh\u00f3a b\u00ed m\u1eadt ho\u1eb7c \u201ch\u1ea1t ti\u00eau\u201d v\u1edbi mu\u1ed1i, \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef ri\u00eang bi\u1ec7t v\u1edbi m\u1eadt kh\u1ea9u b\u0103m.<\/td>\n<\/tr>\n<tr>\n<td>Mu\u1ed1i th\u00edch \u1ee9ng<\/td>\n<td>\u0110i\u1ec1u ch\u1ec9nh gi\u00e1 tr\u1ecb mu\u1ed1i d\u1ef1a tr\u00ean thu\u1ed9c t\u00ednh c\u1ee7a ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c h\u1ec7 th\u1ed1ng \u0111\u1ec3 c\u00f3 t\u00ednh duy nh\u1ea5t h\u01a1n n\u1eefa.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1c c\u00e1ch s\u1eed d\u1ee5ng vi\u1ec7c t\u1ea1o mu\u1ed1i m\u1eadt kh\u1ea9u, c\u00e1c v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng<\/h2>\n<h3>C\u00e1ch s\u1eed d\u1ee5ng:<\/h3>\n<ul>\n<li><strong>\u1ee8ng d\u1ee5ng web:<\/strong> \u0110\u1ec3 b\u1ea3o m\u1eadt m\u1eadt kh\u1ea9u ng\u01b0\u1eddi d\u00f9ng.<\/li>\n<li><strong>C\u01a1 s\u1edf d\u1eef li\u1ec7u:<\/strong> \u0110\u1ec3 b\u1ea3o v\u1ec7 th\u00f4ng tin x\u00e1c th\u1ef1c \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef.<\/li>\n<\/ul>\n<h3>V\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p:<\/h3>\n<ul>\n<li><strong>\u0110\u1ed9 d\u00e0i mu\u1ed1i kh\u00f4ng \u0111\u1ee7:<\/strong> S\u1eed d\u1ee5ng mu\u1ed1i \u0111\u1ee7 d\u00e0i.<\/li>\n<li><strong>T\u00e1i s\u1eed d\u1ee5ng mu\u1ed1i:<\/strong> Lu\u00f4n t\u1ea1o mu\u1ed1i duy nh\u1ea5t cho m\u1ed7i ng\u01b0\u1eddi d\u00f9ng.<\/li>\n<\/ul>\n<h2>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 nh\u1eefng so s\u00e1nh kh\u00e1c v\u1edbi c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1 \u1edf d\u1ea1ng b\u1ea3ng v\u00e0 danh s\u00e1ch<\/h2>\n<table>\n<thead>\n<tr>\n<th>Thu\u1eadt ng\u1eef<\/th>\n<th>S\u1ef1 mi\u00eau t\u1ea3<\/th>\n<th>T\u01b0\u01a1ng t\u1ef1 v\u1edbi mu\u1ed1i<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>B\u0103m m\u1eadt kh\u1ea9u<\/td>\n<td>M\u00e3 h\u00f3a m\u1eadt kh\u1ea9u b\u1eb1ng h\u00e0m b\u0103m.<\/td>\n<td>Kh\u00e1i ni\u1ec7m c\u01a1 s\u1edf<\/td>\n<\/tr>\n<tr>\n<td>Ti\u00eau m\u1eadt kh\u1ea9u<\/td>\n<td>Th\u00eam kh\u00f3a b\u00ed m\u1eadt v\u00e0o h\u00e0m b\u0103m.<\/td>\n<td>L\u1edbp b\u1ed5 sung<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 c\u1ee7a t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn vi\u1ec7c t\u1ea1o mu\u1ed1i m\u1eadt kh\u1ea9u<\/h2>\n<p>S\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a \u0111i\u1ec7n to\u00e1n l\u01b0\u1ee3ng t\u1eed v\u00e0 c\u00e1c thu\u1eadt to\u00e1n ti\u00ean ti\u1ebfn c\u00f3 th\u1ec3 s\u1ebd d\u1eabn \u0111\u1ebfn c\u00e1c k\u1ef9 thu\u1eadt t\u1ea1o mu\u1ed1i ph\u1ee9c t\u1ea1p h\u01a1n, l\u00e0m cho ph\u01b0\u01a1ng ph\u00e1p n\u00e0y tr\u1edf n\u00ean th\u00edch \u1ee9ng, an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng ho\u1eb7c li\u00ean k\u1ebft m\u00e1y ch\u1ee7 proxy v\u1edbi vi\u1ec7c t\u1ea1o mu\u1ed1i m\u1eadt kh\u1ea9u<\/h2>\n<p>C\u00e1c m\u00e1y ch\u1ee7 proxy gi\u1ed1ng nh\u01b0 c\u00e1c m\u00e1y ch\u1ee7 do OneProxy cung c\u1ea5p c\u00f3 th\u1ec3 t\u0103ng c\u01b0\u1eddng h\u01a1n n\u1eefa t\u00ednh b\u1ea3o m\u1eadt xung quanh vi\u1ec7c t\u1ea1o mu\u1ed1i m\u1eadt kh\u1ea9u b\u1eb1ng c\u00e1ch che khu\u1ea5t c\u00e1c y\u00eau c\u1ea7u g\u1ed1c, t\u1eeb \u0111\u00f3 b\u1ed5 sung th\u00eam m\u1ed9t l\u1edbp \u1ea9n danh kh\u00e1c v\u00e0 b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i nh\u1eefng k\u1ebb t\u1ea5n c\u00f4ng ti\u1ec1m n\u0103ng.<\/p>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<ul>\n<li><a href=\"https:\/\/csrc.nist.gov\" target=\"_new\" rel=\"noopener nofollow\">Nguy\u00ean t\u1eafc c\u1ee7a NIST v\u1ec1 b\u1ea3o m\u1eadt m\u1eadt kh\u1ea9u<\/a><\/li>\n<li><a href=\"https:\/\/www.owasp.org\/index.php\/Password_Storage_Cheat_Sheet\" target=\"_new\" rel=\"noopener nofollow\">B\u1ea3ng ghi ch\u00fa l\u01b0u tr\u1eef m\u1eadt kh\u1ea9u OWASP<\/a><\/li>\n<li><a href=\"https:\/\/oneproxy.pro\/vn\/\" target=\"_new\" rel=\"noopener\">D\u1ecbch v\u1ee5 OneProxy<\/a><\/li>\n<\/ul>\n<hr>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 cung c\u1ea5p m\u00e1y ch\u1ee7 proxy nh\u01b0 OneProxy, vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c s\u1eafc th\u00e1i c\u1ee7a vi\u1ec7c t\u1ea1o mu\u1ed1i m\u1eadt kh\u1ea9u l\u00e0 r\u1ea5t quan tr\u1ecdng trong vi\u1ec7c cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p b\u1ea3o m\u1eadt. B\u1eb1ng c\u00e1ch lu\u00f4n c\u1eadp nh\u1eadt c\u00e1c c\u00f4ng ngh\u1ec7 v\u00e0 xu h\u01b0\u1edbng m\u1edbi nh\u1ea5t v\u1ec1 b\u1ea3o m\u1eadt m\u1eadt kh\u1ea9u, OneProxy \u0111\u1ea3m b\u1ea3o cung c\u1ea5p d\u1ecbch v\u1ee5 m\u1ea1nh m\u1ebd v\u00e0 \u0111\u00e1ng tin c\u1eady.<\/p>","protected":false},"featured_media":478366,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-478365","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Password Salting<\/mark>","faq_items":[{"question":"What is password salting, and why is it important?","answer":"<p>Password salting is a cryptographic method where a random string of characters, known as a \"salt,\" is added to a user's password before hashing. It ensures that even identical passwords have different hashes, significantly enhancing security against brute-force and rainbow table attacks.<\/p>"},{"question":"How was password salting first introduced?","answer":"<p>Password salting was first introduced by Robert Morris in UNIX Version 3, released in 1979. It was developed to improve the security of password hashes and has since become a standard practice in various systems.<\/p>"},{"question":"What is the process involved in password salting?","answer":"<p>The process of password salting involves generating a random \"salt,\" concatenating it with the user's password, hashing the combined string, and storing both the salt and the hash in the database. Every login repeats this process, comparing the stored hash with the computed hash.<\/p>"},{"question":"How does password salting differ from other security methods like hashing and peppering?","answer":"<p>While password hashing involves encrypting a password using a hash, password salting adds an extra string to the password before hashing, making each hash unique. Peppering adds a secret key to the hashing process, offering an additional layer of protection.<\/p>"},{"question":"What are some common problems with password salting, and how can they be solved?","answer":"<p>Some common issues include insufficient salt length and reuse of salts. These can be solved by using a sufficiently long salt and always generating unique salts for each user.<\/p>"},{"question":"What are the future perspectives of password salting?","answer":"<p>The future may see more sophisticated salting techniques, thanks to advancements in quantum computing and algorithms, making the method even more adaptive, secure, and efficient.<\/p>"},{"question":"How are proxy servers like OneProxy associated with password salting?","answer":"<p>Proxy servers like OneProxy can further secure password salting by obscuring origin requests, adding an extra layer of anonymity and protection against potential attackers.<\/p>"},{"question":"Where can I find more resources about password salting?","answer":"<p>For more detailed information about password salting, you can refer to resources like <a href=\"https:\/\/csrc.nist.gov\" target=\"_new\">NIST Guidelines on Password Security<\/a> and <a href=\"https:\/\/www.owasp.org\/index.php\/Password_Storage_Cheat_Sheet\" target=\"_new\">OWASP Password Storage Cheat Sheet<\/a>. If you're interested in proxy servers, you can explore <a href=\"https:\/\/oneproxy.pro\" target=\"_new\">OneProxy Services<\/a>.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/478365","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/478365\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/478366"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=478365"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}