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class=\"wp-block-preformatted\">\u539f\u59cb\u6570\u636e+\u6821\u9a8c\u548c      \uff1a04 00 00 00 04\n\u539f\u59cb\u6570\u636e+\u6821\u9a8c\u548c      \uff1a00 00 04 00 04\n\u539f\u59cb\u6570\u636e+\u6821\u9a8c\u548c      \uff1a02 00 02 00 04\n\u539f\u59cb\u6570\u636e+\u6821\u9a8c\u548c      \uff1a00 01 00 03 04<\/pre>\n\n\n\n<p>\u518d\u770b\u770b\u53e6\u5916\u4e00\u4e2a\u6781\u7aef\uff0c\u65e2\u7136checksum\u672c\u8d28\u4e0a\u662f\u8981\u63d0\u53d6\u539f\u59cb\u6570\u636e\u7684\u4fe1\u606f\uff0c\u7136\u540e\u8fd8\u9700\u8981\u4e0d\u540c\u6570\u636e\u7684checksum\u4e0d\u4f1a\u91cd\u590d\uff0c\u90a3\u4e48\u76f4\u63a5\u628a\u539f\u59cb\u6570\u636e\u590d\u5236\u4e00\u4efd\u653e\u5728\u540e\u9762\u4e0d\u5c31\u662f\u5b8c\u6574\u4fdd\u7559\u4e86\u539f\u59cb\u6570\u636e\u7684\u4fe1\u606f\u5417\uff1f<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">\u539f\u59cb\u6570\u636e+\u6821\u9a8c\u548c      \uff1a01 FF 2C 00 01 FF 2C 00<\/pre>\n\n\n\n<p>\u76f8\u4fe1\u5927\u5bb6\u5f88\u5feb\u770b\u51fa\u6765\u8fd9\u79cd\u65b9\u5f0f\u6709\u4ec0\u4e48\u95ee\u9898\uff0c\u5c31\u662f\u4f20\u8f93\u6570\u636e\u7684\u6548\u7387\u592a\u4f4e\uff0c\u4e00\u67618\u4e2a\u5b57\u8282\u7684\u62a5\u6587\u4e2d\u53ea\u67094\u4e2a\u5b57\u8282\u662f\u6709\u7528\u7684\uff0c\u5269\u4f59\u7684\u53ea\u662f\u7528\u6765\u4fdd\u8bc1\u6570\u636e\u7684\u5b8c\u6574\u6027\u3002\uff08\u78c1\u76d8\u6570\u636e\u5907\u4efd\u4e2d\u7684RAID1\u5c31\u662f\u7528\u7684\u8fd9\u79cd\u5b8c\u5168\u5907\u4efd\u7684\u65b9\u5f0f\uff1b\u770b\u6765\u4e0d\u540c\u7684\u5e94\u7528\u9886\u57df\u90fd\u6709\u4e00\u4e9b\u91cd\u8981\u601d\u60f3\u7684\u5e94\u7528\uff0c\u4e0d\u540c\u7684\u8bbe\u8ba1\u4e5f\u90fd\u6709\u5176\u5e94\u7528\u573a\u666f\u3002\uff09<\/p>\n\n\n\n<p>\u5728\u7b80\u5355\u7684\u8ba1\u7b97\u65b9\u6848\u548c\u5b8c\u5168\u5907\u4efd\u7684\u65b9\u6848\u4e4b\u95f4\uff0c\u51fa\u73b0\u4e86\u5f88\u591a\u4e2d\u95f4\u65b9\u6848\uff0cCRC\uff0c\u54c8\u5e0c\uff08Hash\uff09\u5c31\u662f\u5176\u4e2d\u7684\u4e24\u79cd\uff0c\u53ea\u4e0d\u8fc7CRC\u5728\u6c7d\u8f66\u884c\u4e1a\u62a5\u6587\u4f20\u8f93\u4e2d\u7528\u5f97\u6bd4\u8f83\u591a\uff0c\u54c8\u5e0c\u5219\u5728\u6587\u4ef6\u4f20\u8f93\u4e0a\u7528\u5f97\u6bd4\u8f83\u591a\uff08\u4e0b\u8f7d\u6587\u4ef6\u7684\u65f6\u5019\uff0c\u6709\u65f6\u4f1a\u770b\u5230\u4e0b\u8f7d\u7684\u5730\u65b9\u63d0\u4f9b\u4e86\u4e00\u4e2a\u54c8\u5e0c\u503c\uff0c\u5c31\u662f\u8ba9\u4f60\u68c0\u67e5\u4e0b\u8f7d\u5b8c\u7684\u6587\u4ef6\u662f\u5426\u4e5f\u6709\u76f8\u540c\u7684\u54c8\u5e0c\u503c\uff0c\u54c8\u5e0c\u65b9\u6cd5\u5728\u5f88\u591a\u5730\u65b9\u90fd\u6709\u5e94\u7528\uff0c\u5e76\u4e0d\u5c40\u9650\u4e8e\u6b64\uff09\u3002<\/p>\n\n\n\n<p><strong>\u4fdd\u8bc1\u6570\u636e\u5b8c\u6574\u6027\u65b9\u6cd5\u7684\u8bc4\u4ef7\u7ef4\u5ea6<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u5728\u8fd9\u91cc\u6709\u5fc5\u8981\u601d\u8003\u4e00\u4e0b\u8bc4\u4ef7\u7ef4\u5ea6\u7684\u95ee\u9898\uff0c\u89e3\u51b3\u4efb\u4f55\u4e00\u4e2a\u95ee\u9898\u90fd\u53ef\u80fd\u6709\u5f88\u591a\u65b9\u6cd5\uff0c\u90a3\u4e48\u5c31\u5fc5\u987b\u6709\u4e00\u4e9b\u7ef4\u5ea6\u6765\u8bc4\u4ef7\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u751a\u81f3\u6307\u5bfc\u63a2\u7d22\u65b0\u7684\u65b9\u6cd5\uff0c\u6211\u8ba4\u4e3a\u5728\u8bc4\u4ef7\u4fdd\u8bc1\u6570\u636e\u5b8c\u6574\u6027\u7684\u65b9\u6cd5\u4e2d\u53ef\u80fd\u6709\u4ee5\u4e0b\u51e0\u4e2a\u7ef4\u5ea6\uff1a<\/p>\n\n\n\n<ol><li>\u4e0d\u540c\u6570\u636e\u51fa\u73b0\u91cd\u590dchecksum\u7684\u6982\u7387\uff0c\u8d8a\u4f4e\u8d8a\u597d<\/li><li>\u8ba1\u7b97checksum\u7684\u9700\u8981\u8d44\u6e90\u548c\u65f6\u95f4\uff0c\u8d8a\u5c11\u8d8a\u597d<\/li><li>checksum\u5360\u7684\u7a7a\u95f4\uff0c\u8d8a\u5c11\u8d8a\u597d<\/li><\/ol>\n\n\n\n<p>\u7ef4\u5ea62\u548c3\u90fd\u9700\u8981\u4ee5\u53d1\u5c55\u7684\u773c\u5149\u6765\u770b\u5f85\uff0c\u968f\u7740\u6280\u672f\u7684\u53d1\u5c55\uff0c\u4e5f\u8bb8\u73b0\u5728\u8ba1\u7b97\u6216\u8005\u5b58\u50a8\u56f0\u96be\u7684\u95ee\u9898\uff0c\u4ee5\u540e\u90fd\u80fd\u591f\u8f7b\u800c\u6613\u4e3e\u7684\u89e3\u51b3\u3002<\/p>\n\n\n\n<p><strong>\u8ba1\u7b97\u65b9\u6cd5<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p id=\"h_567234595_3\"><strong>\u6a212\u8fd0\u7b97<\/strong><\/p>\n\n\n\n<p>\u56e0\u4e3aCRC\u7684\u8ba1\u7b97\u6d89\u53ca\u5230\u6a212\u8fd0\u7b97\uff0c\u6240\u4ee5\u5148\u8bf4\u4e00\u4e0b\u6a212\u8fd0\u7b97\uff0c\u6a212\u8fd0\u7b97\u662f\u4e00\u79cd\u4e8c\u8fdb\u5236\u8fd0\u7b97\u7684\u65b9\u6cd5\uff0c\u4e0e\u56db\u5219\u8fd0\u7b97\u7c7b\u4f3c\uff0c\u4e0d\u540c\u7684\u662f\u6a212\u8fd0\u7b97\u4e0d\u8003\u8651\u8fdb\u4f4d\u548c\u501f\u4f4d\u3002<\/p>\n\n\n\n<p>\u5927\u5bb6\u53ef\u80fd\u6709\u7591\u60d1\uff0c\u4e3a\u4ec0\u4e48CRC\u8ba1\u7b97\u4e2d\u4f1a\u7528\u6a212\u8fd0\u7b97\uff0c\u800c\u4e0d\u80fd\u7528\u6b63\u5e38\u7684\u56db\u5219\u8fd0\u7b97\uff1f<\/p>\n\n\n\n<p>\u8fd9\u4e2a\u6211\u4e0d\u6e05\u695a\uff0c\u6211\u5c3d\u91cf\u4e0d\u53bb\u7ea0\u7ed3\u4e86\u3002\u611f\u5174\u8da3\u7684\u53ef\u4ee5\u6df1\u6316\u4e00\u4e0b~~<\/p>\n\n\n\n<p>\u5176\u4e2d\u4e00\u70b9\u53ef\u4ee5\u6ce8\u610f\uff1a\u56e0\u4e3a\u8fd0\u7b97\u4e2d\u4e0d\u8fdb\u4f4d\uff0c\u4e5f\u4e0d\u501f\u4f4d\uff0c\u6240\u4ee5\u6bcf\u4e00\u4f4d\u7684\u8fd0\u7b97\u7ed3\u679c\u4e0d\u4f1a\u5f71\u54cd\u5176\u4ed6\u4f4d\u3002<\/p>\n\n\n\n<p>\u4e0b\u9762\u662f\u6a212\u52a0\u6cd5\uff0c\u6a212\u51cf\u6cd5\u548c\u5f02\u6216\u7684\u8fd0\u7b97\u89c4\u5219\uff0c\u53ef\u4ee5\u53d1\u73b0\u6a212\u52a0\u6cd5\uff0c\u6a212\u51cf\u6cd5\u548c\u5f02\u6216\u6709\u540c\u6837\u7684\u7ed3\u679c\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">\u6a212\u52a0\u6cd5\n0 + 0 = 0\n0 + 1 = 1\n1 + 0 = 1\n1 + 1 = 0 (\u65e0\u8fdb\u4f4d)\n\u200b\n\u6a212\u51cf\u6cd5\n0 - 0 = 0\n0 - 1 = 1 (\u65e0\u501f\u4f4d)\n1 - 0 = 1\n1 - 1 = 0\n\u200b\n\u5f02\u6216\n0 xor 0 = 0\n0 xor 1 = 1\n1 xor 0 = 1\n1 xor 1 = 0<\/pre>\n\n\n\n<p>\u4e0b\u9762\u770b\u6a212\u9664\u6cd5\uff0c\u521d\u770b\u7684\u65f6\u5019\u53ef\u80fd\u4f1a\u6bd4\u8f83\u7591\u60d1\uff0c\u603b\u4f53\u4e0a\u4e0e\u6b63\u5e38\u7684\u9664\u6cd5\u662f\u7c7b\u4f3c\u7684\uff0c\u53ea\u4e0d\u8fc7\u5728\u6a212\u8fd0\u7b97\u4e2d\u6570\u4e0e\u6570\u7684\u5927\u5c0f\u5173\u7cfb\u4e0e\u901a\u5e38\u7684\u7406\u89e3\u4e0d\u4e00\u81f4\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-34-1024x510.png\" alt=\"\" class=\"wp-image-11033\" width=\"497\" height=\"247\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-34-1024x510.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-34-300x150.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-34-768x383.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-34-830x414.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-34-230x115.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-34-350x174.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-34-480x239.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-34.png 1276w\" sizes=\"(max-width: 497px) 100vw, 497px\" \/><\/figure><\/div>\n\n\n\n<p><strong>CRC\u8ba1\u7b97<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u63a5\u4e0b\u6765\u770b\u8ba1\u7b97CRC\u7684\u4f8b\u5b50<\/p>\n\n\n\n<p>\u539f\u59cb\u6570\u636e\u662f\uff1a1101011011<\/p>\n\n\n\n<p>\u591a\u9879\u5f0f\uff1a <\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-36-1024x85.png\" alt=\"\" class=\"wp-image-11036\" width=\"595\" height=\"49\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-36-1024x85.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-36-300x25.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-36-768x64.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-36-830x69.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-36-230x19.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-36-350x29.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-36-480x40.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/\u56fe\u7247-36.png 1298w\" sizes=\"(max-width: 595px) 100vw, 595px\" \/><\/figure><\/div>\n\n\n\n<p>\u628a\u4e0a\u9762\u591a\u9879\u5f0f\u4e2d\u5404\u9879\u7684\u7cfb\u6570\u53d6\u51fa\u6765\u4f9d\u6b21\u6392\u5217\u6784\u6210\u9664\u6570\uff1a10011\uff08\u81f3\u4e8e\u4e3a\u4ec0\u4e48\u4e0d\u76f4\u63a5\u7528\u8fd9\u4e2a\u6570\u5b57\uff0c\u800c\u662f\u6709\u4e00\u4e2a\u591a\u9879\u5f0f\uff0c\u6211\u4e0d\u6e05\u695a\uff09<\/p>\n\n\n\n<p>\u628a\u539f\u59cb\u6570\u636e\u540e\u9762\u52a04\uff08\u4e0a\u9762\u591a\u9879\u5f0f\u6700\u9ad8\u5e42\u6b21\u4e3ax^4\uff09\u4e2a0\u6784\u6210\u88ab\u9664\u6570\uff1a1101011011&#8211;0000\uff08\u539f\u59cb\u6570\u636e&#8211;\u586b\u5145\u4f4d\uff09<\/p>\n\n\n\n<p>\u5982\u4e0b\u56fe\u6240\u793a\u4e3a\u8fd9\u4e2a\u9664\u6cd5\u7684\u8ba1\u7b97\u8fc7\u7a0b\uff08\u6a212\u9664\u6cd5\uff09<\/p>\n\n\n\n<p>\u7b97\u51fa\u6765\u7684\u4f59\u6570\u4e3a1110\uff0c\u8fd9\u5c31\u662fchecksum\uff0c\u589e\u52a0\u4e86checksum\u7684\u6570\u636e\u5c31\u662f\uff1a<\/p>\n\n\n\n<p>1101011011&#8211;1110\uff08\u539f\u59cb\u6570\u636e&#8211;checksum\uff09<\/p>\n\n\n\n<div 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