{"id":100214,"date":"2025-01-03T14:28:03","date_gmt":"2025-01-03T06:28:03","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=100214"},"modified":"2025-01-03T14:28:07","modified_gmt":"2025-01-03T06:28:07","slug":"lymmkssm","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/100214.html","title":{"rendered":"\u84dd\u7259mesh\u6a21\u5757\u662f\u4ec0\u4e48"},"content":{"rendered":"\n<p>\u3000\u3000<strong>\u84dd\u7259Mesh\u6a21\u5757<\/strong>\u662f\u4e00\u79cd\u57fa\u4e8e\u84dd\u7259\u4f4e\u529f\u8017(BLE)\u6280\u672f\u7684\u65e0\u7ebf\u901a\u4fe1\u6a21\u5757\uff0c\u7528\u4e8e\u6784\u5efa\u591a\u5bf9\u591a\u7684\u8bbe\u5907\u7f51\u7edc\u3002\u8fd9\u79cd\u6a21\u5757\u652f\u6301\u81ea\u7ec4\u7ec7\u7f51\u7edc\uff0c\u5141\u8bb8\u591a\u4e2a\u8bbe\u5907\u4e4b\u95f4\u8fdb\u884c\u70b9\u5bf9\u70b9\u3001\u70b9\u5bf9\u591a\u70b9\u6216\u591a\u5bf9\u591a\u7684\u901a\u4fe1\uff0c\u4ece\u800c\u5b9e\u73b0\u5927\u89c4\u6a21\u8bbe\u5907\u7684\u4e92\u8054\u4e92\u901a\u3002\u84dd\u7259Mesh\u7f51\u7edc\u901a\u8fc7\u5e7f\u64ad\u548c\u591a\u8df3\u901a\u4fe1\u6280\u672f\uff0c\u786e\u4fdd\u4fe1\u606f\u80fd\u591f\u5728\u8bbe\u5907\u4e4b\u95f4\u53ef\u9760\u4f20\u8f93\uff0c\u5373\u4f7f\u67d0\u4e9b\u8bbe\u5907\u8d85\u51fa\u76f4\u63a5\u901a\u4fe1\u8303\u56f4\u6216\u5df2\u5173\u95ed\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u84dd\u7259Mesh\u6a21\u5757\u7684\u4e3b\u8981\u7279\u70b9\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u4f4e\u529f\u8017<\/strong>\uff1a\u9002\u7528\u4e8e\u7535\u6c60\u4f9b\u7535\u7684\u8bbe\u5907\uff0c\u5982\u667a\u80fd\u5bb6\u5c45\u3001\u5de5\u4e1a\u63a7\u5236\u548c\u7269\u8054\u7f51\u5e94\u7528\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u81ea\u7ec4\u7ec7\u7f51\u7edc<\/strong>\uff1a\u8bbe\u5907\u53ef\u4ee5\u81ea\u52a8\u52a0\u5165\u7f51\u7edc\u5e76\u4e0e\u5176\u4ed6\u8bbe\u5907\u901a\u4fe1\uff0c\u65e0\u9700\u4e2d\u5fc3\u7f51\u5173\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u591a\u8df3\u901a\u4fe1<\/strong>\uff1a\u901a\u8fc7\u4e2d\u7ee7\u8282\u70b9\u6269\u5c55\u901a\u4fe1\u8303\u56f4\uff0c\u63d0\u9ad8\u7f51\u7edc\u8986\u76d6\u80fd\u529b\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7075\u6d3b\u6027\u548c\u6269\u5c55\u6027<\/strong>\uff1a\u652f\u6301\u591a\u8fbe32.767\u4e2a\u8bbe\u5907\u8fde\u63a5\uff0c\u9002\u7528\u4e8e\u667a\u80fd\u5bb6\u5c45\u3001\u667a\u80fd\u7167\u660e\u548c\u5de5\u4e1a\u81ea\u52a8\u5316\u7b49\u573a\u666f\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5b89\u5168\u6027<\/strong>\uff1a\u91c7\u7528\u591a\u79cd\u5b89\u5168\u63aa\u65bd\uff0c\u5982\u8eab\u4efd\u9a8c\u8bc1\u548c\u6d88\u606f\u52a0\u5bc6\uff0c\u9632\u6b62\u7b2c\u4e09\u65b9\u5e72\u6270\u548c\u76d1\u63a7\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u84dd\u7259Mesh\u6a21\u5757\u5e7f\u6cdb\u5e94\u7528\u4e8e\u667a\u80fd\u5bb6\u5c45\u3001\u667a\u80fd\u5efa\u7b51\u3001\u5de5\u4e1a\u81ea\u52a8\u5316\u3001\u667a\u80fd\u7167\u660e\u7b49\u9886\u57df\uff0c\u80fd\u591f\u5b9e\u73b0\u8bbe\u5907\u7684\u96c6\u4e2d\u63a7\u5236\u548c\u667a\u80fd\u5316\u7ba1\u7406\u3002\u4f8b\u5982\uff0c\u5728\u667a\u80fd\u5bb6\u5c45\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u84dd\u7259Mesh\u6a21\u5757\u63a7\u5236\u706f\u5149\u3001\u7a7a\u8c03\u3001\u7a97\u5e18\u7b49\u8bbe\u5907;\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u4e2d\uff0c\u53ef\u4ee5\u7528\u4e8e\u4f20\u611f\u5668\u6570\u636e\u91c7\u96c6\u548c\u8bbe\u5907\u76d1\u63a7\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u84dd\u7259Mesh\u6a21\u5757\u662f\u4e00\u79cd\u9ad8\u6548\u3001\u7a33\u5b9a\u7684\u65e0\u7ebf\u901a\u4fe1\u89e3\u51b3\u65b9\u6848\uff0c\u9002\u7528\u4e8e\u9700\u8981\u5927\u89c4\u6a21\u8bbe\u5907\u4e92\u8054\u548c\u4f4e\u529f\u8017\u901a\u4fe1\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 \u84dd\u7259Mesh\u6a21\u5757\u7684\u6280\u672f\u8fdb\u5c55<\/h2>\n\n\n\n<p>\u3000\u3000\u84dd\u7259Mesh\u6a21\u5757\u7684\u6700\u65b0\u6280\u672f\u8fdb\u5c55\u4e3b\u8981\u96c6\u4e2d\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u84dd\u72595.2\u548c5.4\u7248\u672c\u7684\u63d0\u5347<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u84dd\u72595.2\u548c5.4\u7248\u672c\u5728\u6570\u636e\u4f20\u8f93\u901f\u5ea6\u3001\u5de5\u4f5c\u8ddd\u79bb\u548c\u52a0\u5bc6\u5e7f\u64ad\u6570\u636e\u7b49\u65b9\u9762\u8fdb\u884c\u4e86\u663e\u8457\u63d0\u5347\u3002\u8fd9\u4e9b\u6539\u8fdb\u4f7f\u5f97\u84dd\u7259Mesh\u7f51\u7edc\u80fd\u591f\u652f\u6301\u66f4\u9ad8\u901f\u7684\u6570\u636e\u4f20\u8f93\u548c\u66f4\u8fdc\u7684\u901a\u4fe1\u8ddd\u79bb\uff0c\u540c\u65f6\u589e\u5f3a\u4e86\u6570\u636e\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u591a\u5bf9\u591a\u901a\u4fe1\u80fd\u529b<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u84dd\u7259Mesh\u6280\u672f\u7684\u6838\u5fc3\u4f18\u52bf\u5728\u4e8e\u5176\u591a\u5bf9\u591a\u901a\u4fe1\u80fd\u529b\uff0c\u5141\u8bb8\u8bbe\u5907\u4e4b\u95f4\u8fdb\u884c\u9ad8\u6548\u7684\u6570\u636e\u4e2d\u7ee7\u548c\u8def\u7531\u3002\u8fd9\u79cd\u201c\u591a\u8df3\u7f51\u7edc\u201d\u6216\u201c\u7f51\u72b6\u7f51\u7edc\u201d\u7ed3\u6784\u4f7f\u5f97\u6bcf\u4e2a\u8282\u70b9\u90fd\u80fd\u4f5c\u4e3aAP\u548c\u8def\u7531\u5668\uff0c\u5373\u4f7f\u67d0\u4e2a\u8282\u70b9\u6545\u969c\uff0c\u7f51\u7edc\u4e5f\u80fd\u81ea\u52a8\u7ed5\u8fc7\u5e76\u9009\u62e9\u65b0\u8def\u5f84\uff0c\u63d0\u9ad8\u4e86\u7f51\u7edc\u7684\u6548\u7387\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u4f4e\u529f\u8017\u548c\u53ef\u6269\u5c55\u6027<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u84dd\u7259Mesh\u7f51\u7edc\u4f9d\u8d56\u4e8e\u4f4e\u529f\u8017\u84dd\u7259\u6280\u672f\uff0c\u901a\u8fc7\u5efa\u7acb\u591a\u5bf9\u591a\u62d3\u6251\uff0c\u5b9e\u73b0\u8bbe\u5907\u95f4\u7684\u65e0\u7ebf\u901a\u4fe1\uff0c\u8de8\u8d8a\u5927\u7269\u7406\u533a\u57df\uff0c\u652f\u6301\u5927\u91cf\u8bbe\u5907\u3002\u6bcf\u4e2a\u8282\u70b9\u90fd\u80fd\u53d1\u9001\u3001\u63a5\u6536\u548c\u8f6c\u53d1\u6d88\u606f\uff0c\u6d88\u606f\u5728Mesh\u7f51\u7edc\u4e2d\u53ef\u88ab\u8f6c\u53d1\u81f3\u66f4\u8fdc\u8ddd\u79bb\uff0c\u7406\u8bba\u4e0a\u6bcf\u4e2a\u7f51\u7edc\u53ef\u8fde\u63a5\u6700\u591a65536\u4e2a\u8282\u70b9\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u667a\u80fd\u5bb6\u5c45\u548c\u5de5\u4e1a\u5e94\u7528<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u84dd\u7259Mesh\u6280\u672f\u5728\u667a\u80fd\u5bb6\u5c45\u3001\u667a\u80fd\u5efa\u7b51\u3001\u5546\u4e1a\u7167\u660e\u548c\u4f20\u611f\u5668\u7f51\u7edc\u7b49\u9886\u57df\u5177\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\u524d\u666f\u3002\u4f8b\u5982\uff0c\u5728\u667a\u80fd\u7167\u660e\u9886\u57df\uff0c\u84dd\u7259Mesh\u6a21\u5757\u53ef\u4ee5\u5b9e\u73b0LED\u706f\u5177\u95f4\u7684\u76f8\u4e92\u4e2d\u7ee7\u548c\u8def\u7531\uff0c\u6784\u5efa\u65e0\u901a\u4fe1\u6b7b\u89d2\u7684\u7f51\u7edc\uff0c\u7a81\u7834\u4e86\u4f20\u7edf\u84dd\u7259\u7684\u8ddd\u79bb\u9650\u5236\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5b89\u5168\u6027\u589e\u5f3a<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u84dd\u7259Mesh\u7f51\u7edc\u91c7\u7528\u53d1\u5e03\/\u8ba2\u9605\u6d88\u606f\u7cfb\u7edf\uff0c\u6bcf\u4e2a\u6570\u636e\u5305\u90fd\u7ecf\u8fc7\u52a0\u5bc6\u548c\u8ba4\u8bc1\uff0c\u91c7\u7528\u5e8f\u5217\u53f7\u3001\u4e0d\u5bf9\u79f0\u52a0\u5bc6\u6280\u672f\u548c\u5783\u573e\u6876\u653b\u51fb\u9632\u62a4\uff0c\u786e\u4fdd\u4e86\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5f00\u53d1\u73af\u5883\u4e2d\u7684\u5173\u952eAPI\u8c03\u7528<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u5f00\u53d1\u8005\u53ef\u4ee5\u901a\u8fc7\u521d\u59cb\u5316\u3001\u914d\u7f6e\u3001\u670d\u52a1\u7ba1\u7406\u3001\u8fde\u63a5\u7ba1\u7406\u3001\u6570\u636e\u4f20\u8f93\u3001\u5b89\u5168\u8bbe\u7f6e\u548c\u5f02\u5e38\u5904\u7406\u7b49API\u8c03\u7528\uff0c\u5b9e\u73b0\u84dd\u7259Mesh\u7f51\u7edc\u7684\u9ad8\u6548\u7ba1\u7406\u548c\u63a7\u5236\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5b9e\u9645\u5e94\u7528\u6848\u4f8b<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u84dd\u7259Mesh\u6280\u672f\u5df2\u7ecf\u5728\u591a\u4e2a\u5b9e\u9645\u5e94\u7528\u4e2d\u5c55\u73b0\u4e86\u5176\u6f5c\u529b\u548c\u4ef7\u503c\u3002\u4f8b\u5982\uff0cSKYLAB\u7684\u84dd\u7259Mesh\u6a21\u5757SKB369\u5df2\u6210\u529f\u5e94\u7528\u4e8e\u667a\u80fd\u7167\u660e\u9886\u57df\uff0c\u5c55\u73b0\u4e86\u84dd\u7259Mesh\u6280\u672f\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u6f5c\u529b\u548c\u4ef7\u503c\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u84dd\u7259Mesh\u6a21\u5757\u7684\u6700\u65b0\u6280\u672f\u8fdb\u5c55\u4e3b\u8981\u4f53\u73b0\u5728\u4f20\u8f93\u901f\u7387\u3001\u901a\u4fe1\u8ddd\u79bb\u3001\u591a\u5bf9\u591a\u901a\u4fe1\u80fd\u529b\u3001\u4f4e\u529f\u8017\u3001\u53ef\u6269\u5c55\u6027\u548c\u5b89\u5168\u6027\u7b49\u65b9\u9762\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 \u84dd\u7259Mesh\u7f51\u7edc\u4e2d\u7684\u8bbe\u5907\u81ea\u52a8\u52a0\u5165\u548c\u901a\u4fe1?<\/h2>\n\n\n\n<p>\u3000\u3000\u84dd\u7259Mesh\u7f51\u7edc\u4e2d\u7684\u8bbe\u5907\u81ea\u52a8\u52a0\u5165\u548c\u901a\u4fe1\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u5b9e\u73b0\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u8bbe\u5907\u626b\u63cf\u4e0e\u8bc6\u522b<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u4f7f\u7528BluetoothAdapter\u7684getDefaultAdapter()\u65b9\u6cd5\u5f00\u59cb\u626b\u63cf\u84dd\u7259\u8bbe\u5907\uff0c\u901a\u8fc7\u8bbe\u7f6e\u626b\u63cf\u6a21\u5f0f\u3001\u62a5\u544a\u5ef6\u8fdf\u548c\u786c\u4ef6\u8fc7\u6ee4\u5668\u7b49\u53c2\u6570\uff0c\u7b5b\u9009\u51fa\u672a\u914d\u7f6e\u7684Mesh\u8282\u70b9\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u8fde\u63a5\u4e0e\u914d\u7f6e<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u626b\u63cf\u5230\u8bbe\u5907\u540e\uff0c\u901a\u8fc7UUID\u4e2d\u7684\u578b\u53f7ID\u6216\u54c1\u724c-\u7cfb\u5217-\u6a21\u5f0f\u6765\u8bc6\u522b\u8bbe\u5907\uff0c\u7136\u540e\u6839\u636e\u8bbe\u5907\u4fe1\u606f\u8fdb\u884c\u8fde\u63a5\u548c\u914d\u7f6e\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5982\u679c\u8bbe\u5907\u652f\u6301\u65e0\u5bc6\u7801\u5165\u7f51\uff0c\u76f4\u63a5\u8fdb\u884c\u5165\u7f51\u914d\u7f6e;\u5982\u679c\u4e0d\u652f\u6301\uff0c\u9700\u8981\u9009\u62e9\u5165\u7f51\u65b9\u5f0f\uff0c\u5982\u9759\u6001\u5165\u7f51\u3001\u8f93\u51fa\u5165\u7f51\u6216\u8f93\u5165\u5165\u7f51\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u9009\u62e9\u6a21\u578b\u548c\u8282\u70b9<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u4ece\u8bbe\u5907\u7684\u5143\u7d20\u4e2d\u9009\u62e9\u6a21\u578b\u548c\u8282\u70b9\uff0c\u8bbe\u7f6e\u5df2\u9009\u8282\u70b9\u548c\u5143\u7d20\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u53d1\u9001\u786e\u8ba4\u503c<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u8bbe\u5907\u7aef\u6536\u5230\u6765\u81ea\u914d\u7f6e\u8005\u7684\u786e\u8ba4\u503c\u540e\uff0c\u5e94\u5f53\u53d1\u9001\u8bbe\u5907\u7aef\u786e\u8ba4\u503c\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u914d\u7f6e\u8005\u53d1\u9001\u968f\u673a\u6570<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u914d\u7f6e\u8005\u6536\u5230\u6765\u81ea\u8bbe\u5907\u7aef\u7684\u786e\u8ba4\u503c\u540e\uff0c\u5e94\u5f53\u53d1\u9001\u914d\u7f6e\u8005\u968f\u673a\u6570(RandomProvisioner)\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u751f\u6210ECDHSecret<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u6b65\u9aa46\u6216\u6b65\u9aa47\u540e\uff0c\u5f00\u59cb\u6267\u884c\u751f\u6210\u968f\u673a\u6570(RandomDevice)\u5e76\u6839\u636e\u6536\u5230\u7684\u6765\u81ea\u8bbe\u5907\u7aef\u516c\u94a5\u751f\u6210ECDHSecret\uff1aECDHSecret=P\u2212256(privatekey,peerpublickey)ECDHSecret=P\u2212256(privatekey,peerpublickey)<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u53d1\u9001\u8f93\u5165\u5b8c\u6210<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u8bbe\u5907\u7aef\u5e94\u5f53\u6839\u636e\u914d\u7f6e\u8005\u663e\u793a\u7684Auth Value\uff0c\u751f\u6210\u786e\u8ba4\u503c(Confirm)\uff0c\u5e76\u53d1\u9001\u8f93\u5165\u5b8c\u6210\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5e7f\u64ad\u548c\u53d1\u5e03\/\u8ba2\u9605\u673a\u5236<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u8bbe\u5907\u53ef\u901a\u8fc7\u5e7f\u64ad\u6d88\u606f\u5c06\u4fe1\u606f\u4f20\u9001\u5230\u6574\u4e2a\u7f51\u7edc\uff0c\u6216\u901a\u8fc7\u53d1\u5e03\/\u8ba2\u9605\u673a\u5236\u5c06\u6d88\u606f\u53d1\u9001\u5230\u7279\u5b9a\u8bbe\u5907\u6216\u8bbe\u5907\u7ec4\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u591a\u8df3\u4f20\u8f93<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u6570\u636e\u53ef\u901a\u8fc7\u4e2d\u95f4\u8282\u70b9\u9010\u8df3\u8f6c\u53d1\uff0c\u8986\u76d6\u66f4\u8fdc\u8ddd\u79bb\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u7f51\u7edc\u5b89\u5168<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u652f\u6301\u6570\u636e\u52a0\u5bc6\u548c\u8eab\u4efd\u9a8c\u8bc1\uff0c\u786e\u4fdd\u7f51\u7edc\u7684\u5b89\u5168\u6027\u548c\u9690\u79c1\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u7075\u6d3b\u6027\u548c\u53ef\u6269\u5c55\u6027<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u6839\u636e\u5e94\u7528\u9700\u6c42\u914d\u7f6e\u548c\u6269\u5c55\uff0c\u652f\u6301\u6570\u767e\u751a\u81f3\u6570\u5343\u4e2a\u8bbe\u5907\u540c\u65f6\u5de5\u4f5c\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0c\u84dd\u7259Mesh\u7f51\u7edc\u4e2d\u7684\u8bbe\u5907\u53ef\u4ee5\u81ea\u52a8\u52a0\u5165\u5e76\u5b9e\u73b0\u901a\u4fe1\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 \u84dd\u7259Mesh\u6a21\u5757\u5728\u5b89\u5168\u6027\u65b9\u9762\u5177\u4f53\u63aa\u65bd?<\/h2>\n\n\n\n<p>\u3000\u3000\u84dd\u7259Mesh\u6a21\u5757\u5728\u5b89\u5168\u6027\u65b9\u9762\u91c7\u7528\u4e86\u591a\u79cd\u5177\u4f53\u63aa\u65bd\uff0c\u4ee5\u786e\u4fdd\u7f51\u7edc\u7684\u6574\u4f53\u5b89\u5168\u6027\u548c\u6570\u636e\u4f20\u8f93\u7684\u53ef\u9760\u6027\u3002\u4ee5\u4e0b\u662f\u84dd\u7259Mesh\u6a21\u5757\u5728\u5b89\u5168\u6027\u65b9\u9762\u7684\u4e3b\u8981\u63aa\u65bd\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u591a\u5c42\u5b89\u5168\u6027<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u8bbe\u5907\u5bc6\u94a5\uff08DevKey\uff09<\/strong>&nbsp;\uff1a\u7528\u4e8e\u8282\u70b9\u7684\u542f\u52a8\u914d\u7f6e\uff0c\u786e\u4fdd\u65b0\u52a0\u5165\u8282\u70b9\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5e94\u7528\u5bc6\u94a5\uff08AppKey\uff09<\/strong>&nbsp;\uff1a\u4fdd\u62a4\u7279\u5b9a\u5e94\u7528\u5c42\u6d88\u606f\uff0c\u9632\u6b62\u672a\u6388\u6743\u8bbf\u95ee\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u7f51\u7edc\u5bc6\u94a5\uff08NetKey\uff09<\/strong>&nbsp;\uff1a\u7528\u4e8e\u89e3\u5bc6\u548c\u9a8c\u8bc1\u7f51\u7edc\u5c42\u6570\u636e\uff0c\u786e\u4fdd\u7f51\u7edc\u95f4\u901a\u4fe1\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u52a0\u5bc6\u4e0e\u8ba4\u8bc1<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u84dd\u7259Mesh\u7f51\u7edc\u4e2d\u7684\u6240\u6709\u6d88\u606f\u90fd\u7ecf\u8fc7\u52a0\u5bc6\u548c\u8ba4\u8bc1\uff0c\u91c7\u7528AES-CMAC\u548cAES-CCM\u7b97\u6cd5\u8fdb\u884c\u52a0\u5bc6\u548c\u8ba4\u8bc1\uff0c\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u548c\u5b8c\u6574\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4f7f\u7528ECDH(\u692d\u5706\u66f2\u7ebfDiffie-Hellman)\u7b97\u6cd5\u521b\u5efa\u5b89\u5168\u94fe\u8def\uff0c\u7279\u522b\u662f\u5728\u516c\u94a5\u4ea4\u6362\u65b9\u9762\uff0c\u9632\u6b62\u4e2d\u95f4\u4eba\u653b\u51fb\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u9ed1\u540d\u5355\u673a\u5236<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u901a\u8fc7\u9ed1\u540d\u5355\u673a\u5236\uff0c\u79fb\u9664\u7684\u8282\u70b9\u65e0\u6cd5\u53d1\u52a8\u653b\u51fb\uff0c\u589e\u5f3a\u4e86\u7f51\u7edc\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5e8f\u5217\u53f7\u548cIV\u7d22\u5f15\u5b57\u6bb5\u7684\u5197\u4f59<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u5229\u7528\u5e8f\u5217\u53f7\u548cIV\u7d22\u5f15\u5b57\u6bb5\u7684\u5197\u4f59\uff0c\u9632\u6b62\u4e2d\u7ee7\u653b\u51fb\uff0c\u786e\u4fdd\u6d88\u606f\u7684\u53ef\u9760\u6027\u548c\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u533a\u57df\u9694\u79bb<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u901a\u8fc7\u5b50\u7f51\u5212\u5206\u5b9e\u73b0\u533a\u57df\u9694\u79bb\uff0c\u6bcf\u4e2a\u5b50\u7f51\u6709\u72ec\u7acb\u7684\u5bc6\u94a5\uff0c\u786e\u4fdd\u8282\u70b9\u95f4\u901a\u4fe1\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5bc6\u94a5\u5237\u65b0<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u5b89\u5168\u5bc6\u94a5\u53ef\u4ee5\u5728Mesh\u7f51\u7edc\u7684\u751f\u5b58\u671f\u5185\u901a\u8fc7\u5bc6\u94a5\u5237\u65b0\u8fc7\u7a0b\u66f4\u6539\uff0c\u9632\u6b62\u5bc6\u94a5\u88ab\u76d7\u7528\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u6d88\u606f\u6a21\u7cca\u5316<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u6d88\u606f\u6a21\u7cca\u5316\u6280\u672f\u4f7f\u8ffd\u8e2a\u7f51\u7edc\u5185\u7684\u6d88\u606f\u53d8\u5f97\u56f0\u96be\uff0c\u63d0\u4f9b\u9690\u79c1\u673a\u5236\uff0c\u96be\u4ee5\u8ffd\u8e2a\u8282\u70b9\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u9632\u6b62\u91cd\u653e\u653b\u51fb<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000Mesh\u5b89\u5168\u4fdd\u62a4\u7f51\u7edc\u514d\u53d7\u91cd\u653e\u653b\u51fb\uff0c\u786e\u4fdd\u6d88\u606f\u7684\u552f\u4e00\u6027\u548c\u65f6\u6548\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u4e25\u683c\u7684\u8bbe\u5907\u6dfb\u52a0\u548c\u79fb\u9664\u8fc7\u7a0b<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u6dfb\u52a0\u8bbe\u5907\u5230Mesh\u7f51\u7edc\u6210\u4e3a\u8282\u70b9\u7684\u8fc7\u7a0b\u672c\u8eab\u662f\u5b89\u5168\u7684\uff0c\u8282\u70b9\u53ef\u4ee5\u4ece\u7f51\u7edc\u4e2d\u5b89\u5168\u5730\u79fb\u9664\uff0c\u9632\u6b62\u5783\u573e\u7bb1\u653b\u51fb\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u914d\u7f51\u534f\u8bae\u7684\u5b89\u5168\u6027<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u65b0\u8bbe\u5907\u5728\u52a0\u5165\u84dd\u7259Mesh\u7f51\u7edc\u4e4b\u524d\uff0c\u5fc5\u987b\u7ecf\u8fc7\u914d\u7f51\u9636\u6bb5\uff0c\u91c7\u7528\u7279\u5b9a\u7684\u5b89\u5168\u63aa\u65bd\u6765\u9632\u6b62\u4e2d\u95f4\u4eba\u653b\u51fb\uff0c\u4ece\u800c\u786e\u4fdd\u8bbe\u5907\u5728\u914d\u7f51\u8fc7\u7a0b\u4e2d\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u516c\u94a5\u548c\u79c1\u94a5\u7684\u4f7f\u7528<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u84dd\u7259Mesh\u7684\u542f\u52a8\u914d\u7f6e\u4e2d\uff0cECDH\u7b97\u6cd5\u88ab\u7528\u4e8e\u521b\u5efa\u5b89\u5168\u94fe\u8def\uff0c\u786e\u4fdd\u516c\u94a5\u4ea4\u6362\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5b9a\u671f\u66f4\u65b0\u5b89\u5168\u5bc6\u94a5<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u7f51\u7edc\u7ba1\u7406\u5458\u5e94\u91c7\u53d6\u989d\u5916\u63aa\u65bd\uff0c\u5982\u5b9a\u671f\u5ba1\u8ba1\u7f51\u7edc\u8bbe\u5907\u548c\u66f4\u65b0\u56fa\u4ef6\uff0c\u4ee5\u786e\u4fdd\u7cfb\u7edf\u7684\u6574\u4f53\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 \u84dd\u7259Mesh\u7f51\u7edc\u7684\u591a\u8df3\u901a\u4fe1\u6280\u672f<\/h2>\n\n\n\n<p>\u3000\u3000\u84dd\u7259Mesh\u7f51\u7edc\u7684\u591a\u8df3\u901a\u4fe1\u6280\u672f\u662f\u4e00\u79cd\u5141\u8bb8\u591a\u4e2a\u8bbe\u5907\u901a\u8fc7\u84dd\u7259\u8fdb\u884c\u65e0\u7ebf\u901a\u4fe1\uff0c\u5e76\u5f62\u6210\u4e00\u4e2a\u53ef\u6269\u5c55\u7684\u7f51\u7edc\u7684\u6280\u672f\u3002\u8fd9\u79cd\u6280\u672f\u901a\u8fc7\u8bbe\u5907\u95f4\u7684\u76f8\u4e92\u534f\u4f5c\uff0c\u5b9e\u73b0\u6570\u636e\u7684\u4f20\u8f93\u548c\u5171\u4eab\uff0c\u4ece\u800c\u6269\u5c55\u4e86\u84dd\u7259\u6280\u672f\u7684\u5e94\u7528\u573a\u666f\uff0c\u5982\u667a\u80fd\u7167\u660e\u7cfb\u7edf\u3001\u73af\u5883\u76d1\u6d4b\u7f51\u7edc\u7b49\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u84dd\u7259Mesh\u7f51\u7edc\u4e2d\uff0c\u5b9e\u73b0\u591a\u8df3\u901a\u4fe1\u7684\u5173\u952e\u6280\u672f\u548c\u7b56\u7565\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u591a\u8df3\u8f6c\u53d1\u673a\u5236<\/strong>\uff1a\u6570\u636e\u5305\u53ef\u4ee5\u901a\u8fc7\u591a\u4e2a\u4e2d\u95f4\u8282\u70b9\u4f20\u8f93\uff0c\u4ece\u800c\u6269\u5c55\u7f51\u7edc\u5bb9\u91cf\u548c\u8986\u76d6\u8303\u56f4\u3002\u8fd9\u79cd\u65b9\u5f0f\u5141\u8bb8\u6bcf\u4e2a\u8bbe\u5907\u4f5c\u4e3a\u8282\u70b9\uff0c\u5728\u7f51\u7edc\u4e2d\u901a\u8fc7\u591a\u8df3\u65b9\u5f0f\u4e0e\u5176\u4ed6\u8bbe\u5907\u901a\u4fe1\uff0c\u6709\u6548\u5730\u6269\u5c55\u7f51\u7edc\u8303\u56f4\uff0c\u540c\u65f6\u4fdd\u6301\u8f83\u4f4e\u7684\u529f\u8017\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5206\u5c42\u5408\u4f5c\u673a\u5236\u548c\u9010\u8df3HARQ\u6280\u672f<\/strong>\uff1a\u8fd9\u4e9b\u6280\u672f\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u6709\u6548\u6027\u548c\u53ef\u9760\u6027\u3002\u9010\u8df3HARQ(Hybrid Automatic Repeat Request)\u6280\u672f\u7528\u4e8e\u6062\u590d\u4f20\u8f93\u9519\u8bef\uff0c\u800c\u7aef\u5230\u7aef\u7684ARQ(Automatic Repeat Request)\u6280\u672f\u7528\u4e8e\u91cd\u4f20\u4e22\u5931\u7684\u6570\u636e\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>Mesh\u90bb\u5c45\u53d1\u73b0\u548c\u8fde\u63a5\u7ba1\u7406<\/strong>\uff1a\u901a\u8fc7\u88ab\u52a8\u6216\u4e3b\u52a8\u626b\u63cf\u83b7\u53d6\u90bb\u5c45\u4fe1\u606f\uff0c\u5efa\u7acb\u6709\u6548\u8fde\u63a5\uff0c\u5f62\u6210\u8fde\u8d2f\u7684\u7f51\u7edc\u7ed3\u6784\u3002\u8fd9\u5305\u62ec\u914d\u7f6e\u8282\u70b9(Provisioner)\u3001\u90bb\u8fd1\u53cb\u597d\u8282\u70b9(Friend)\u548c\u4e00\u822c\u8282\u70b9(Node)\uff0c\u5404\u7c7b\u578b\u8282\u70b9\u534f\u540c\u5de5\u4f5c\uff0c\u786e\u4fdd\u7f51\u7edc\u7a33\u5b9a\u901a\u4fe1\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u4f18\u5316\u80fd\u8017\u548c\u6548\u7387\u7684\u63aa\u65bd<\/strong>\uff1a\u4f8b\u5982\uff0c\u7f51\u7edc\u6cdb\u6d2a\u548c\u8bbe\u7f6eTTL(Time-to-Live)\u5b57\u6bb5\u9650\u5236\u6d88\u606f\u4e2d\u7ee7\u8df3\u6570\uff0c\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u6570\u636e\u4f20\u8f93\u3002\u8fd9\u4e9b\u63aa\u65bd\u6709\u52a9\u4e8e\u51cf\u5c11\u529f\u8017\u548c\u63d0\u9ad8\u7f51\u7edc\u6548\u7387\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u53d1\u5e03\u548c\u8ba2\u9605\u6a21\u5f0f<\/strong>\uff1a\u84dd\u7259Mesh\u91c7\u7528\u57fa\u4e8e\u53d1\u5e03\u548c\u8ba2\u9605\u7684\u901a\u4fe1\u65b9\u5f0f\uff0c\u786e\u4fdd\u4e0d\u540c\u7c7b\u578b\u7684\u4ea7\u54c1\u80fd\u5171\u5b58\u4e8e\u7f51\u7edc\u4e2d\uff0c\u800c\u4e0d\u4f1a\u53d7\u65e0\u5173\u7684\u6d88\u606f\u5e72\u6270\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u6309\u9700\u8def\u7531<\/strong>\uff1a\u5728\u9700\u8981\u6570\u636e\u4f20\u8f93\u65f6\uff0c\u52a8\u6001\u5efa\u7acb\u5927\u6570\u636e\u94fe\u8def\u7684\u8def\u7531\uff0c\u6570\u636e\u4f20\u8f93\u5b8c\u6210\u540e\uff0c\u81ea\u52a8\u91ca\u653e\u8def\u5f84\uff0c\u4ee5\u4fbf\u5176\u4ed6\u8282\u70b9\u4f7f\u7528\u3002\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u63d0\u9ad8\u6570\u636e\u4f20\u8f93\u7684\u6548\u7387\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e94\u3001 \u84dd\u7259Mesh\u6a21\u5757\u5728\u667a\u80fd\u5bb6\u5c45\u548c\u5de5\u4e1a\u81ea\u52a8\u5316\u4e2d\u7684\u5e94\u7528<\/h2>\n\n\n\n<p>\u3000\u3000\u84dd\u7259Mesh\u6a21\u5757\u5728\u667a\u80fd\u5bb6\u5c45\u548c\u5de5\u4e1a\u81ea\u52a8\u5316\u4e2d\u7684\u5e94\u7528\u6848\u4f8b\u975e\u5e38\u4e30\u5bcc\uff0c\u5177\u4f53\u5982\u4e0b\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. 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