{"id":753,"date":"2026-02-01T18:03:12","date_gmt":"2026-02-01T10:03:12","guid":{"rendered":"http:\/\/shr1mp.top\/?p=753"},"modified":"2026-02-01T18:11:57","modified_gmt":"2026-02-01T10:11:57","slug":"lsb%e9%9a%90%e5%86%99","status":"publish","type":"post","link":"http:\/\/shr1mp.top\/index.php\/2026\/02\/01\/lsb%e9%9a%90%e5%86%99\/","title":{"rendered":"LSB\u9690\u5199"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\" id=\"lsb\u9690\u5199\u7684\u539f\u7406\">LSB\u9690\u5199\u7684\u539f\u7406<\/h2>\n\n\n\n<p>\u4e00\u4e2a\u6807\u51c624\u4f4d\u771f\u5f69\u8272\u50cf\u7d20\u786e\u5b9e\u75313\u4e2a\u989c\u8272\u901a\u9053\uff08R\u3001G\u3001B\uff09\u7ec4\u6210\uff0c\u6bcf\u4e2a\u901a\u9053\u75288\u4f4d\uff081\u5b57\u8282\uff09\u5b58\u50a8\uff0c\u6240\u4ee5<strong>\u4e00\u4e2a\u50cf\u7d20\u603b\u5171\u5360\u752824\u4f4d\uff083\u5b57\u8282\uff09<\/strong><\/p>\n\n\n\n<p>       \u5728png\u56fe\u7247\u7684\u5b58\u50a8\u4e2d\uff0c\u6bcf\u4e2a\u989c\u8272\u8868\u793a\u9700\u8981\u67098bit\uff0c\u5373\u6709256\u79cd\u989c\u8272\uff0c\u4e00\u5171\u5305\u542b256\u7684\u4e09\u6b21\u65b9\u4e2a\u989c\u8272\uff0c\u537316777216\u4e2d\u989c\u8272\uff0c\u4eba\u7c7b\u7684\u773c\u775b\u53ef\u4ee5\u533a\u5206\u7ea61,000\u4e07\u79cd\u4e0d\u540c\u7684\u989c\u8272\uff0c\u5269\u4e0b\u65e0\u6cd5\u533a\u5206\u7684\u989c\u8272\u5c31\u67096777216\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"359\" src=\"http:\/\/shr1mp.top\/wp-content\/uploads\/2026\/02\/1769936897-\u5c4f\u5e55\u622a\u56fe-2026-02-01-170809-1024x359.png\" alt=\"\" class=\"wp-image-755\" srcset=\"http:\/\/shr1mp.top\/wp-content\/uploads\/2026\/02\/1769936897-\u5c4f\u5e55\u622a\u56fe-2026-02-01-170809-1024x359.png 1024w, http:\/\/shr1mp.top\/wp-content\/uploads\/2026\/02\/1769936897-\u5c4f\u5e55\u622a\u56fe-2026-02-01-170809-300x105.png 300w, http:\/\/shr1mp.top\/wp-content\/uploads\/2026\/02\/1769936897-\u5c4f\u5e55\u622a\u56fe-2026-02-01-170809-768x269.png 768w, http:\/\/shr1mp.top\/wp-content\/uploads\/2026\/02\/1769936897-\u5c4f\u5e55\u622a\u56fe-2026-02-01-170809.png 1188w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u6bcf\u4e2a\u50cf\u7d20\u70b9\u7684\u989c\u8272\u53ef\u4ee5\u7528\u5341\u8fdb\u52360~255\u7684\u6570\u503c\u8868\u793a\uff0c\u90a3\u4e48\u4e0a\u56fe\u4e2d\u7684RGB\uff08218,150,149\uff09\u8868\u793a\u6210\u4e8c\u8fdb\u5236\u4e3a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"260\" height=\"121\" src=\"http:\/\/shr1mp.top\/wp-content\/uploads\/2026\/02\/1769936942-\u5c4f\u5e55\u622a\u56fe-2026-02-01-170858.png\" alt=\"\" class=\"wp-image-757\"\/><\/figure>\n\n\n\n<p>LSB\u9690\u5199\u5c31\u662f\u4fee\u6539RGB\u989c\u8272\u5206\u91cf\u7684\u6700\u4f4e\u4e8c\u8fdb\u5236\u4f4d\u4e5f\u5c31\u662f\u6700\u4f4e\u6709\u6548\u4f4d\uff08LSB\uff09\uff0c\u800c\u4eba\u7c7b\u7684\u773c\u775b\u4e0d\u4f1a\u6ce8\u610f\u5230\u8fd9\u524d\u540e\u7684\u53d8\u5316\uff0c\u6211\u4eec\u4ec5\u5bf9RGB\u4e2d\u7684\u6700\u4f4e\u4f4d\u8fdb\u884c\u4fee\u6539\uff0c\u5982\u5f53\u524d\u50cf\u7d20\u4f4d\u70b9\u6700\u540e\u4e00\u4f4d\u4fee\u6539\u62101,1\uff0c0.\u5219\u4e0a\u8ff0RGB\u53d8\u6210218-&gt;219<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"597\" height=\"135\" src=\"http:\/\/shr1mp.top\/wp-content\/uploads\/2026\/02\/1769936969-\u5c4f\u5e55\u622a\u56fe-2026-02-01-170926.png\" alt=\"\" class=\"wp-image-758\" srcset=\"http:\/\/shr1mp.top\/wp-content\/uploads\/2026\/02\/1769936969-\u5c4f\u5e55\u622a\u56fe-2026-02-01-170926.png 597w, http:\/\/shr1mp.top\/wp-content\/uploads\/2026\/02\/1769936969-\u5c4f\u5e55\u622a\u56fe-2026-02-01-170926-300x68.png 300w\" sizes=\"auto, (max-width: 597px) 100vw, 597px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u5de5\u5177\">\u5de5\u5177<\/h2>\n\n\n\n<p>StegSolve\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"773\" src=\"http:\/\/shr1mp.top\/wp-content\/uploads\/2026\/01\/1769871979-\u5c4f\u5e55\u622a\u56fe-2026-01-31-230601-1024x773.png\" alt=\"\" class=\"wp-image-749\" srcset=\"http:\/\/shr1mp.top\/wp-content\/uploads\/2026\/01\/1769871979-\u5c4f\u5e55\u622a\u56fe-2026-01-31-230601-1024x773.png 1024w, http:\/\/shr1mp.top\/wp-content\/uploads\/2026\/01\/1769871979-\u5c4f\u5e55\u622a\u56fe-2026-01-31-230601-300x226.png 300w, http:\/\/shr1mp.top\/wp-content\/uploads\/2026\/01\/1769871979-\u5c4f\u5e55\u622a\u56fe-2026-01-31-230601-768x580.png 768w, http:\/\/shr1mp.top\/wp-content\/uploads\/2026\/01\/1769871979-\u5c4f\u5e55\u622a\u56fe-2026-01-31-230601.png 1088w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<pre class=\"wp-block-code\"><code>\u4e0d\u540c\u6587\u4ef6\u7684RGB\u50a8\u5b58\u987a\u5e8f\uff1a\nBMP\u6587\u4ef6\uff1a\u901a\u5e38\u6309BGR\u987a\u5e8f\u50a8\u5b58\uff08\u84dd\u7eff\u7ea2\uff09\uff0c\u4e0e\u5185\u5b58\u987a\u5e8f\u53ef\u80fd\u4e0d\u540c\nPNG\u6587\u4ef6\uff1a\u652f\u6301\u591a\u79cd\u989c\u8272\u6a21\u5f0f\uff0c\u4f4624\u4f4dRGB\u901a\u5e38\u6309RGB\u987a\u5e8f\nJPEG\u6587\u4ef6\uff1a\u4f7f\u7528YCbCr\u8272\u5f69\u7a7a\u95f4\uff0c\u5185\u90e8\u5b58\u50a8\u65b9\u5f0f\u66f4\u590d\u6742<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>32\u4f4dRGBA\uff1a\u589e\u52a0Alpha\u901a\u9053\uff08\u900f\u660e\u5ea6\uff09\uff0c\u53604\u5b57\u8282\uff1aR+G+B+A\n16\u4f4dRGB\uff1a\u6bcf\u4e2a\u901a\u90535-6\u4f4d\uff0c\u538b\u7f29\u5b58\u50a8\n8\u4f4d\u7d22\u5f15\u8272\uff1a\u4e0d\u76f4\u63a5\u5b58RGB\u503c\uff0c\u800c\u662f\u5b58\u8c03\u8272\u677f\u7d22\u5f15<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u5173\u4e8e\u5de5\u5177\u4f7f\u7528\">\u5173\u4e8e\u5de5\u5177\u4f7f\u7528\uff1a<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u5173\u4e8eROW\u548cCOLUMN<\/p>\n<\/blockquote>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>row\uff08\u884c\u4f18\u5148\uff09\u200b<\/td><td>\u6309\u884c\u987a\u5e8f\u904d\u5386\u50cf\u7d20\uff1a\u5148\u4ece\u5de6\u5230\u53f3\u5904\u7406\u7b2c\u4e00\u884c\u7684\u6240\u6709\u50cf\u7d20\uff0c\u518d\u5904\u7406\u7b2c\u4e8c\u884c\uff0c\u4ee5\u6b64\u7c7b\u63a8\uff08\u7c7b\u4f3c\"Z\"\u5b57\u5f62\u626b\u63cf\uff09<\/td><td>\u5927\u591a\u6570\u6807\u51c6\u9690\u5199\u5de5\u5177\u9ed8\u8ba4\u91c7\u7528\u884c\u4f18\u5148\uff0c\u7b26\u5408\u56fe\u50cf\u5b58\u50a8\u7684\u81ea\u7136\u987a\u5e8f<\/td><\/tr><tr><td>column\uff08\u5217\u4f18\u5148\uff09\u200b<\/td><td>\u6309\u5217\u987a\u5e8f\u904d\u5386\u50cf\u7d20\uff1a\u5148\u4ece\u4e0a\u5230\u4e0b\u5904\u7406\u7b2c\u4e00\u5217\u7684\u6240\u6709\u50cf\u7d20\uff0c\u518d\u5904\u7406\u7b2c\u4e8c\u5217\uff0c\u4ee5\u6b64\u7c7b\u63a8<\/td><td>\u51fa\u9898\u4eba\u53ef\u80fd\u6545\u610f\u4f7f\u7528\u5217\u4f18\u5148\u589e\u52a0\u96be\u5ea6\uff0c\u6216\u7528\u4e8e\u7279\u5b9a\u7f16\u7801\u9700\u6c42<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<pre class=\"wp-block-code\"><code>\u4f8b\u5982\uff1a\n(1,1) (1,2)\n(2,1) (2,2)\n\u884c\u4f18\u5148\u904d\u5386\uff1a\u987a\u5e8f\u4e3a (1,1) \u2192 (1,2) \u2192 (2,1) \u2192 (2,2)\n\u5217\u4f18\u5148\u904d\u5386\uff1a\u987a\u5e8f\u4e3a (1,1) \u2192 (2,1) \u2192 (1,2) \u2192 (2,2)<\/code><\/pre>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u5173\u4e8eMSB\u548cLSB<\/p>\n<\/blockquote>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>MSB\u200b<\/td><td>\u6700\u9ad8\u6709\u6548\u4f4d<\/td><td>\u4e8c\u8fdb\u5236\u6570\u7684\u6700\u5de6\u8fb9\u4e00\u4f4d<\/td><td>\u6700\u5927\uff082^(n-1)\uff09<\/td><td>\u6539\u53d8MSB\u4f1a\u4f7f\u6570\u503c\u53d1\u751f\u5de8\u5927\u53d8\u5316<\/td><\/tr><tr><td>LSB\u200b<\/td><td>\u6700\u4f4e\u6709\u6548\u4f4d<\/td><td>\u4e8c\u8fdb\u5236\u6570\u7684\u6700\u53f3\u8fb9\u4e00\u4f4d<\/td><td>\u6700\u5c0f\uff082^0=1\uff09<\/td><td>\u6539\u53d8LSB\u53ea\u4f7f\u6570\u503c\u00b11<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u4f8b\u5b50\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"652\" src=\"http:\/\/shr1mp.top\/wp-content\/uploads\/2026\/01\/1769937281-\u5c4f\u5e55\u622a\u56fe-2026-02-01-171357-1024x652.png\" alt=\"\" class=\"wp-image-760\" srcset=\"http:\/\/shr1mp.top\/wp-content\/uploads\/2026\/01\/1769937281-\u5c4f\u5e55\u622a\u56fe-2026-02-01-171357-1024x652.png 1024w, http:\/\/shr1mp.top\/wp-content\/uploads\/2026\/01\/1769937281-\u5c4f\u5e55\u622a\u56fe-2026-02-01-171357-300x191.png 300w, http:\/\/shr1mp.top\/wp-content\/uploads\/2026\/01\/1769937281-\u5c4f\u5e55\u622a\u56fe-2026-02-01-171357-768x489.png 768w, http:\/\/shr1mp.top\/wp-content\/uploads\/2026\/01\/1769937281-\u5c4f\u5e55\u622a\u56fe-2026-02-01-171357.png 1434w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u4f8b\u5982\u8fd9\u4e2a\u56fe\u7247\uff0c\u53ea\u80fd\u770b\u89c1\u9ed1\u767d\uff0c\u4f46\u662f\u5374\u663e\u793a\u6709\u522b\u7684\u989c\u8272\uff0c\u800c\u4e14\u4ed6\u4eec\u90fd\u662f127\u548c255\u7ec4\u6210\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>255--->11111111\n127--->01111111<\/code><\/pre>\n\n\n\n<p>\u8bf4\u660e\u662f\u6700\u9ad8\u6709\u6548\u4f4d\u7684\u9690\u5199\uff0c\u9009\u62e9\u901a\u90537<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"773\" src=\"http:\/\/shr1mp.top\/wp-content\/uploads\/2026\/01\/1769871979-\u5c4f\u5e55\u622a\u56fe-2026-01-31-230601-1024x773.png\" alt=\"\" class=\"wp-image-749\" srcset=\"http:\/\/shr1mp.top\/wp-content\/uploads\/2026\/01\/1769871979-\u5c4f\u5e55\u622a\u56fe-2026-01-31-230601-1024x773.png 1024w, http:\/\/shr1mp.top\/wp-content\/uploads\/2026\/01\/1769871979-\u5c4f\u5e55\u622a\u56fe-2026-01-31-230601-300x226.png 300w, http:\/\/shr1mp.top\/wp-content\/uploads\/2026\/01\/1769871979-\u5c4f\u5e55\u622a\u56fe-2026-01-31-230601-768x580.png 768w, http:\/\/shr1mp.top\/wp-content\/uploads\/2026\/01\/1769871979-\u5c4f\u5e55\u622a\u56fe-2026-01-31-230601.png 1088w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>LSB\u9690\u5199\u7684\u539f\u7406 \u4e00\u4e2a\u6807\u51c624\u4f4d\u771f\u5f69\u8272\u50cf\u7d20\u786e\u5b9e\u75313\u4e2a\u989c\u8272\u901a\u9053\uff08R\u3001G\u3001B\uff09\u7ec4\u6210\uff0c\u6bcf\u4e2a\u901a\u9053\u75288\u4f4d\uff081\u5b57\u8282\uff09\u5b58\u50a8\uff0c\u6240\u4ee5\u4e00\u4e2a\u50cf\u7d20\u603b\u5171\u5360\u7528 &#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_gspb_post_css":"","emotion":"","emotion_color":"","title_style":"","license":"","footnotes":""},"categories":[11],"tags":[],"class_list":["post-753","post","type-post","status-publish","format-standard","hentry","category-11"],"_links":{"self":[{"href":"http:\/\/shr1mp.top\/index.php\/wp-json\/wp\/v2\/posts\/753","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/shr1mp.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/shr1mp.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/shr1mp.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/shr1mp.top\/index.php\/wp-json\/wp\/v2\/comments?post=753"}],"version-history":[{"count":6,"href":"http:\/\/shr1mp.top\/index.php\/wp-json\/wp\/v2\/posts\/753\/revisions"}],"predecessor-version":[{"id":777,"href":"http:\/\/shr1mp.top\/index.php\/wp-json\/wp\/v2\/posts\/753\/revisions\/777"}],"wp:attachment":[{"href":"http:\/\/shr1mp.top\/index.php\/wp-json\/wp\/v2\/media?parent=753"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/shr1mp.top\/index.php\/wp-json\/wp\/v2\/categories?post=753"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/shr1mp.top\/index.php\/wp-json\/wp\/v2\/tags?post=753"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}