{"id":96897,"date":"2024-08-16T17:27:37","date_gmt":"2024-08-16T09:27:37","guid":{"rendered":"\/\/www.viralrail.com\/?p=96897"},"modified":"2024-08-16T17:27:41","modified_gmt":"2024-08-16T09:27:41","slug":"lxyaqjzjs","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/96897.html","title":{"rendered":"LoRa\u534f\u8bae\u5b89\u5168\u673a\u5236\u4ecb\u7ecd"},"content":{"rendered":"\n<p>\u3000\u3000<strong><a href=\"\/\/www.viralrail.com\/blog\/87212.html\" data-type=\"post\" data-id=\"87212\">LoRa\u534f\u8bae<\/a><\/strong>\u7684\u5b89\u5168\u673a\u5236\u4e3b\u8981\u901a\u8fc7\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\u6765\u4fdd\u969c\u5176\u5b89\u5168\u6027\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u6570\u636e\u52a0\u5bc6<\/strong>\uff1a<strong><a href=\"https:\/\/baike.baidu.com\/item\/LoRa\/58702571\" target=\"_blank\" data-type=\"link\" data-id=\"https:\/\/baike.baidu.com\/item\/LoRa\/58702571\" rel=\"noreferrer noopener nofollow\">LoRa<\/a><\/strong>\u534f\u8bae\u91c7\u7528AES-128\u52a0\u5bc6\u7b97\u6cd5\u5bf9\u6570\u636e\u8fdb\u884c\u52a0\u5bc6\uff0c\u4ee5\u786e\u4fdd\u65e0\u7ebf\u901a\u4fe1\u7684\u5b89\u5168\u6027\u3002\u8fd9\u79cd\u52a0\u5bc6\u6280\u672f\u80fd\u591f\u6709\u6548\u4fdd\u62a4\u6570\u636e\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u7684\u5b89\u5168\uff0c\u9632\u6b62\u6570\u636e\u88ab\u672a\u6388\u6743\u7684\u7b2c\u4e09\u65b9\u622a\u83b7\u6216\u7be1\u6539\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u8bbe\u5907\u8eab\u4efd\u9a8c\u8bc1<\/strong>\uff1a\u5728LoRa\u7f51\u7edc\u4e2d\uff0c\u8bbe\u5907\u5728\u63a5\u5165\u7f51\u7edc\u65f6\u9700\u8981\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u3002\u8fd9\u4e00\u8fc7\u7a0b\u4f9d\u8d56\u4e8e\u5668\u4ef6\u548cJoin\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u76f8\u4e92\u8eab\u4efd\u9a8c\u8bc1\uff0c\u786e\u4fdd\u4efb\u4f55\u8bd5\u56fe\u8fde\u63a5\u7f51\u7edc\u7684\u8bbe\u5907\u5747\u7ecf\u6b63\u786e\u6ce8\u518c\u4e14\u672a\u88ab\u5165\u4fb5\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6d88\u606f\u5b8c\u6574\u6027\u6821\u9a8c<\/strong>\uff1a\u4e3a\u4e86\u786e\u4fdd\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u9632\u6b62\u91cd\u653e\u653b\u51fb\uff0cLoRa\u534f\u8bae\u8fd8\u63d0\u4f9b\u4e86\u6d88\u606f\u5b8c\u6574\u6027\u6821\u9a8c\u673a\u5236\u3002\u8fd9\u53ef\u4ee5\u6709\u6548\u68c0\u6d4b\u5e76\u9632\u6b62\u6076\u610f\u62a5\u6587\u7684\u6ce8\u5165\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u91cd\u653e\u653b\u51fb\u9632\u62a4<\/strong>\uff1aLoRa\u534f\u8bae\u8bbe\u8ba1\u4e86\u4e13\u95e8\u7684\u673a\u5236\u6765\u9632\u62a4\u91cd\u653e\u653b\u51fb\uff0c\u5373\u9632\u6b62\u6076\u610f\u7528\u6237\u91cd\u590d\u53d1\u9001\u4e4b\u524d\u7684\u6570\u636e\u5305\u4ee5\u6b3a\u9a97\u7cfb\u7edf\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7269\u7406\u5c42\u5b89\u5168\u7279\u6027<\/strong>\uff1aLoRa\u6280\u672f\u5177\u6709\u8f83\u597d\u7684\u9690\u853d\u6027\u548c\u6297\u5e72\u6270\u7279\u6027\uff0c\u4f7f\u5f97\u666e\u901a\u8bbe\u5907\u5f88\u96be\u68c0\u6d4b\u548c\u5e72\u6270LoRa\u4fe1\u53f7\u3002\u8fd9\u79cd\u7269\u7406\u5c42\u7684\u5b89\u5168\u7279\u6027\u8fdb\u4e00\u6b65\u589e\u5f3a\u4e86LoRa\u7f51\u7edc\u7684\u6574\u4f53\u5b89\u5168\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7aef\u5230\u7aef\u52a0\u5bc6<\/strong>\uff1aLoRaWAN\u652f\u6301\u7aef\u5230\u7aef\u52a0\u5bc6\uff0c\u8fd9\u610f\u5473\u7740\u4ece\u7ec8\u7aef\u8bbe\u5907\u5230\u5e94\u7528\u670d\u52a1\u5668\u7684\u6570\u636e\u4ea4\u6362\u90fd\u7ecf\u8fc7\u52a0\u5bc6\u5904\u7406\uff0c\u4ece\u800c\u63d0\u4f9b\u4e86\u66f4\u9ad8\u7684\u5b89\u5168\u4fdd\u969c\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5bc6\u94a5\u7ba1\u7406<\/strong>\uff1aLoRa\u534f\u8bae\u5f3a\u8c03\u5bc6\u94a5\u7684\u5b89\u5168\u7ba1\u7406\uff0c\u5305\u62ec\u5bc6\u94a5\u7684\u968f\u673a\u5206\u914d\u548c\u4e00\u6b21\u4f7f\u7528\u7684\u5bc6\u7801(\u968f\u673a\u6570)\u7b49\u63aa\u65bd\uff0c\u4ee5\u9632\u6b62\u5bc6\u94a5\u6cc4\u9732\u5e26\u6765\u7684\u5b89\u5168\u98ce\u9669\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000<strong><a href=\"\/\/www.viralrail.com\/blog\/96566.html\" data-type=\"post\" data-id=\"96566\">LoRa\u534f\u8bae<\/a><\/strong>\u901a\u8fc7\u7efc\u5408\u8fd0\u7528\u591a\u79cd\u5b89\u5168\u6280\u672f\u548c\u673a\u5236\uff0c\u5982\u6570\u636e\u52a0\u5bc6\u3001\u8bbe\u5907\u8eab\u4efd\u9a8c\u8bc1\u3001\u6d88\u606f\u5b8c\u6574\u6027\u6821\u9a8c\u3001\u91cd\u653e\u653b\u51fb\u9632\u62a4\u4ee5\u53ca\u7269\u7406\u5c42\u5b89\u5168\u7279\u6027\u7b49\uff0c\u6784\u5efa\u4e86\u4e00\u4e2a\u76f8\u5bf9\u5b89\u5168\u7684\u7269\u8054\u7f51\u901a\u4fe1\u73af\u5883\u3002\u8fd9\u4e9b\u63aa\u65bd\u5171\u540c\u4f5c\u7528\uff0c\u786e\u4fdd\u4e86LoRa\u7f51\u7edc\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u53ef\u9760\u6027\u548c\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 LoRa\u534f\u8bae\u4e2dAES-128\u52a0\u5bc6\u7b97\u6cd5\u7684\u5177\u4f53\u5b9e\u73b0\u65b9\u5f0f<\/h2>\n\n\n\n<p>\u3000\u3000<a href=\"\/\/www.viralrail.com\/blog\/90217.html\" data-type=\"post\" data-id=\"90217\">LoRa\u534f\u8bae<\/a>\u4e2dAES-128\u52a0\u5bc6\u7b97\u6cd5\u7684\u5177\u4f53\u5b9e\u73b0\u65b9\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u5bc6\u94a5\u751f\u6210<\/strong>\uff1a\u9996\u5148\u9700\u8981\u751f\u6210\u4e00\u4e2a128\u4f4d\u7684\u5bc6\u94a5\uff0c\u7528\u4e8e\u52a0\u5bc6\u548c\u89e3\u5bc6\u6570\u636e\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6570\u636e\u5206\u5757<\/strong>\uff1a\u5c06\u5f85\u52a0\u5bc6\u7684\u6570\u636e\u6309\u7167128\u4f4d(16\u5b57\u8282)\u4e3a\u4e00\u7ec4\u8fdb\u884c\u5206\u5757\u5904\u7406\u3002\u7b97\u6cd5\u5b9a\u4e49\u4e86\u4e00\u4e2a\u5757\u5e8f\u5217Ai\uff0ci\u4ece1\u5230k\uff0ck = ceil ( len ( FRMPayload) \/ 16 )\uff0cceil\u4e3a\u5411\u4e0a\u53d6\u6574\u51fd\u6570\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u521d\u59cb\u8f6e\u5bc6\u94a5\u52a0<\/strong>\uff1a\u5bf9\u6bcf\u4e2a\u6570\u636e\u5757\u8fdb\u884c\u521d\u59cb\u8f6e\u5bc6\u94a5\u52a0\u64cd\u4f5c\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u52a0\u5bc6\u8fc7\u7a0b<\/strong>\uff1a\u4f7f\u7528AES128\u52a0\u5bc6\u7b97\u6cd5\u5bf9\u6bcf\u4e2a\u5757\u8fdb\u884c\u52a0\u5bc6\u3002LoRaWAN\u5c42\u4e3a\u6240\u6709FPort\u7684\u6570\u636e\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u8fdb\u884c\u52a0\u5bc6\/\u89e3\u5bc6\uff0c\u5982\u679c\u5e94\u7528\u5c42\u65b9\u4fbf\u7684\u8bdd\uff0c\u4e5f\u53ef\u4ee5\u5728LoRaWAN\u5c42\u7684\u4e0a\u5c42\u5bf9\u9664\u4e86FPort\u4e3a0\u7684\u6570\u636e\u52a0\u89e3\u5bc6\u3002\u91c7\u7528AES128_ECB\u52a0\u5bc6\u6a21\u5f0f\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u8d1f\u8f7d\u52a0\u5bc6\u548c\u89e3\u5bc6<\/strong>\uff1a\u901a\u8fc7\u5c06pld | pad16\u4e0eS\u8fdb\u884c\u5f02\u6216\u8fd0\u7b97\u6765\u5b8c\u6210\u8d1f\u8f7d\u7684\u52a0\u5bc6\u548c\u89e3\u5bc6\u3002\u8f7d\u8377\u6570\u636e\u9700\u8981\u8fdb\u884c\u52a0\u5bc6\uff0c\u8fd9\u91cc\u5e76\u4e0d\u662f\u76f4\u63a5\u5bf9\u8f7d\u8377\u6570\u636e\u8fdb\u884c\u52a0\u5bc6\uff0c\u800c\u662f\u52a0\u5bc6\u4e8b\u5148\u5b9a\u4e49\u597d\u7684\u6570\u636e\u5757\uff0c\u6700\u540e\u5229\u7528\u7b97\u51fa\u6765\u7684\u6570\u636e\u5757\u4e0e\u8f7d\u8377\u6570\u636e\u5f02\u6216\u6765\u5b9e\u73b0\u52a0\/\u89e3\u5bc6\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6d88\u606f\u5b8c\u6574\u6027\u4ee3\u7801\uff08MIC\uff09<\/strong>&nbsp;\uff1a\u8ba1\u7b97\u6d88\u606f\u5b8c\u6574\u6027\u4ee3\u7801(MIC)\uff0c\u7528\u4e8e\u6821\u9a8c\u6d88\u606f\u7684\u5b8c\u6574\u6027\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 LoRa\u7f51\u7edc\u4e2d\u7684\u8bbe\u5907\u8eab\u4efd\u9a8c\u8bc1\u673a\u5236<\/h2>\n\n\n\n<p>\u3000\u3000<a href=\"\/\/www.viralrail.com\/blog\/88062.html\" data-type=\"post\" data-id=\"88062\">LoRa\u7f51\u7edc<\/a>\u4e2d\u7684\u8bbe\u5907\u8eab\u4efd\u9a8c\u8bc1\u673a\u5236\u4e3b\u8981\u901a\u8fc7\u4ee5\u4e0b\u51e0\u79cd\u65b9\u5f0f\u5b9e\u73b0\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u5c04\u9891\u6307\u7eb9\u8bc6\u522b<\/strong>\uff1a\u6839\u636e\uff0cLoRa\u8bbe\u5907\u53ef\u4ee5\u5229\u7528\u5176\u56fa\u6709\u7684\u5c04\u9891\u6307\u7eb9\u8fdb\u884c\u552f\u4e00\u8eab\u4efd\u8bc6\u522b\u3002\u5c04\u9891\u6307\u7eb9\u662f\u57fa\u4e8e\u65e0\u7ebf\u53d1\u5c04\u673a\u7684\u5185\u5728\u786c\u4ef6\u7279\u6027\uff0c\u5982\u77ac\u65f6\u8f7d\u6ce2\u9891\u7387\u504f\u79fb(CFO)\u6f02\u79fb\u7b49\uff0c\u6765\u533a\u5206\u4e0d\u540c\u7684LoRa\u8bbe\u5907\u3002\u8fd9\u79cd\u65b9\u6cd5\u4f9d\u8d56\u4e8e\u6df1\u5ea6\u5b66\u4e60\u6280\u672f\u6765\u63d0\u9ad8\u8bc6\u522b\u7684\u51c6\u786e\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5b89\u5168\u5bc6\u94a5\u914d\u7f6e<\/strong>\uff1a\u63d0\u5230Microchip\u4e0eThe Things Industries\u63a8\u51fa\u7684LoRa\u5b89\u5168\u89e3\u51b3\u65b9\u6848\uff0c\u8be5\u65b9\u6848\u7ed3\u5408\u4e86ATECC608A-MAHTN-T CryptoAuthentication\u5668\u4ef6\u548cThe Things Industries\u7684\u6258\u7ba1\u8fde\u63a5\u670d\u52a1\u5668\u53caMicrochip\u7684\u5b89\u5168\u914d\u7f6e\u670d\u52a1\uff0c\u4e3aLoRaWAN\u8bbe\u5907\u63d0\u4f9b\u57fa\u4e8e\u786c\u4ef6\u7684\u5b89\u5168\u6027\uff0c\u7b80\u5316\u4e86\u8bbe\u5907\u7684\u914d\u7f6e\u5e76\u89e3\u51b3\u4e86\u8eab\u4efd\u9a8c\u8bc1\u5bc6\u94a5\u7ba1\u7406\u7684\u95ee\u9898\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5bc6\u7801\u548c\u516c\u94a5\u9a8c\u8bc1<\/strong>\uff1a\u6307\u51fa\uff0c\u5728LoRa\u7f51\u7edc\u4e2d\uff0c\u6bcf\u4e2a\u8bbe\u5907\u5e94\u5177\u5907\u552f\u4e00\u7684\u8eab\u4efd\u6807\u8bc6\uff0c\u5e76\u901a\u8fc7\u5bc6\u7801\u3001\u516c\u94a5\u7b49\u65b9\u5f0f\u8fdb\u884c\u9a8c\u8bc1\uff0c\u4ee5\u9632\u6b62\u8eab\u4efd\u4f2a\u88c5\u653b\u51fb\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>LoRaWAN\u534f\u8bae\u4e0b\u7684\u5165\u7f51\u6d41\u7a0b<\/strong>\uff1a\u8be6\u7ec6\u63cf\u8ff0\u4e86LoRaWAN\u534f\u8bae\u4e0b\u7684\u8bbe\u5907\u5165\u7f51\u6d41\u7a0b\uff0c\u5305\u62ec\u7a7a\u4e2d\u6fc0\u6d3b(OTAA)\u548c\u672c\u5730\u6fc0\u6d3b(ABP)\u3002\u5728\u5165\u7f51\u6210\u529f\u540e\uff0c\u7ec8\u7aef\u8bbe\u5907\u4f1a\u88ab\u5206\u914d\u4e00\u4e2a\u552f\u4e00\u5730\u5740(DevAddr)\uff0c\u5e76\u751f\u6210\u52a0\u5bc6\u5bc6\u94a5NwkSKey\u548cAppSKey\uff0c\u7528\u4e8e\u540e\u7eed\u901a\u4fe1\u547d\u4ee4\u7684\u52a0\u5bc6\u548c\u6821\u9a8c\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 LoRa\u534f\u8bae\u5982\u4f55\u5b9e\u73b0\u6d88\u606f\u5b8c\u6574\u6027\u6821\u9a8c\u4ee5\u9632\u6b62\u91cd\u653e\u653b\u51fb?<\/h2>\n\n\n\n<p>\u3000\u3000LoRa\u534f\u8bae\u901a\u8fc7\u591a\u79cd\u673a\u5236\u5b9e\u73b0\u6d88\u606f\u5b8c\u6574\u6027\u6821\u9a8c\u4ee5\u9632\u6b62\u91cd\u653e\u653b\u51fb\u3002\u9996\u5148\uff0cLoRa\u534f\u8bae\u91c7\u7528\u4e86\u6570\u636e\u52a0\u5bc6\u548c\u8bbe\u5907\u8eab\u4efd\u9a8c\u8bc1\u7b49\u5b89\u5168\u673a\u5236\u3002\u5728\u5177\u4f53\u5b9e\u73b0\u4e0a\uff0cLoRa\u534f\u8bae\u4f7f\u7528\u4e86fCnt\u8ba1\u6570\u5668\u6765\u786e\u4fdd\u6bcf\u4e2a\u6d88\u606f\u7684\u72ec\u7279\u6027\uff0c\u9632\u6b62\u6570\u636e\u88ab\u7be1\u6539\u3002\u6b64\u5916\uff0cLoRa\u901a\u4fe1\u8fd8\u91c7\u7528\u4e86AES\u52a0\u5bc6\u3001\u6d88\u606f\u5b8c\u6574\u6027\u6821\u9a8c(MIC)\u548c\u7f51\u7edc\u5bc6\u94a5\u7ba1\u7406\u7b49\u5b89\u5168\u673a\u5236\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728LoRaWAN 1.0.3\u89c4\u8303\u4e2d\uff0cDevNonce\u662f\u4e00\u4e2a\u968f\u673a\u503c\uff0c\u7528\u4e8e\u9632\u6b62\u91cd\u653e\u653b\u51fb\u3002\u7f51\u7edc\u670d\u52a1\u5668\u4f1a\u8ddf\u8e2a\u6bcf\u4e2a\u7aef\u8bbe\u5907\u8fc7\u53bb\u4f7f\u7528\u7684DevNonce\u503c\u6570\u91cf\uff0c\u5e76\u5ffd\u7565\u5177\u6709\u8fd9\u4e9bDevNonce\u503c\u7684\u52a0\u5165\u8bf7\u6c42\u3002\u52a0\u5165\u63a5\u53d7\u6d88\u606f\u5305\u542b\u5e94\u7528\u7a0b\u5e8f\u975e\u8bcd(AppNonce)\u3001\u7f51\u7edc\u6807\u8bc6\u7b26(NetID)\u3001\u7aef\u70b9\u5730\u5740(DevAddr)\u3001TX\u548cRX\u5ef6\u8fdf(RxDelay)\u7b49\u5b57\u6bb5\uff0c\u8fd9\u4e9b\u90fd\u662f\u4e3a\u4e86\u786e\u4fdd\u6d88\u606f\u7684\u5b8c\u6574\u6027\u548c\u9632\u6b62\u91cd\u653e\u653b\u51fb\u3002<\/p>\n\n\n\n<p>\u3000\u3000LoRaWAN v1.1\u7248\u672c\u5f15\u5165\u4e86DevNonce\u968f\u673a\u751f\u6210\u529f\u80fd\uff0c\u5e76\u5bf9\u91cd\u653e\u653b\u51fb\u8fdb\u884c\u4e86\u6539\u8fdb\u3002\u4e0a\u884c\u6d88\u606f\u7684\u8d1f\u8f7d\u7684\u5b8c\u6574\u6027\u6821\u9a8c\u7531CRC\u6765\u4fdd\u8bc1\u3002\u6b64\u5916\uff0cLoRa\u8282\u70b9\u53d1\u9001\u7684\u6570\u636e\u53ef\u80fd\u4f1a\u88ab\u653b\u51fb\u8005\u8fdb\u884c\u91cd\u653e\u653b\u51fb\uff0c\u53ef\u4ee5\u91c7\u7528\u5e27\u8ba1\u6570\u5668\u6280\u672f\u9632\u6b62\u91cd\u653e\u653b\u51fb\uff0c\u540c\u65f6\u53ef\u4ee5\u91c7\u7528\u65f6\u95f4\u6233\u6280\u672f\u5bf9\u6570\u636e\u8fdb\u884c\u65f6\u95f4\u6233\u6807\u8bb0\uff0c\u9632\u6b62\u6570\u636e\u88ab\u91cd\u653e\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 LoRa\u6280\u672f\u4e2d\u7684\u7269\u7406\u5c42\u5b89\u5168\u7279\u6027\u5177\u4f53\u5305\u62ec\u54ea\u4e9b\u63aa\u65bd?<\/h2>\n\n\n\n<p>\u3000\u3000LoRa\u6280\u672f\u4e2d\u7684\u7269\u7406\u5c42\u5b89\u5168\u7279\u6027\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u9690\u853d\u6027\u548c\u6297\u5e72\u6270\u7279\u6027<\/strong>\uff1aLoRa\u6280\u672f\u5177\u6709\u8f83\u597d\u7684\u9690\u853d\u6027\u548c\u6297\u5e72\u6270\u7279\u6027\uff0c\u8fd9\u4f7f\u5f97\u5176\u4fe1\u53f7\u96be\u4ee5\u88ab\u666e\u901a\u8bbe\u5907\u68c0\u6d4b\u548c\u5e72\u6270\u3002\u8fd9\u79cd\u9690\u853d\u6027\u4e5f\u88ab\u79f0\u4e3a\u4f4e\u6982\u7387\u622a\u83b7(LPI&#8212;Low Probability of Interception)\uff0c\u5373\u4e0d\u5bb9\u6613\u88ab\u4fa6\u7834\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7269\u7406\u5c42\u52a0\u5bc6<\/strong>\uff1a\u867d\u7136\u7269\u7406\u5c42\u52a0\u5bc6\u65e0\u6cd5\u5b8c\u5168\u4ee3\u66ff\u6570\u636e\u52a0\u5bc6\uff0c\u4f46LoRa\u7684\u5b89\u5168\u6846\u67b6\u8db3\u4ee5\u5e94\u5bf9\u91cd\u653e\u653b\u51fb\u7b49\u6f5c\u5728\u5a01\u80c1\uff0c\u4ece\u800c\u4fdd\u62a4\u7528\u6237\u7684\u9690\u79c1\u548c\u6570\u636e\u7684\u5b8c\u6574\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u57fa\u4e8e\u5c04\u9891\u6307\u7eb9\u7684\u8eab\u4efd\u8ba4\u8bc1\u548c\u63a5\u5165\u5b89\u5168<\/strong>\uff1aLoRa\u6280\u672f\u91c7\u7528\u57fa\u4e8e\u5c04\u9891\u6307\u7eb9\u7684\u65b9\u6848\u6765\u89e3\u51b3\u7ec8\u7aef\u7684\u8eab\u4efd\u8ba4\u8bc1\u548c\u63a5\u5165\u5b89\u5168\u95ee\u9898\u3002\u8fd9\u79cd\u65b9\u6848\u80fd\u591f\u5355\u72ec\u8fd0\u884c\u5b9e\u73b0\u7ec8\u7aef\u7684\u5b89\u5168\u63a5\u5165\uff0c\u4e5f\u80fd\u591f\u914d\u5408\u4e0a\u5c42\u7684\u5b89\u5168\u7b56\u7565\u5b9e\u73b0\u5b89\u5168\u52a0\u56fa\u3002\u4ece\u843d\u5730\u89d2\u5ea6\u800c\u8a00\uff0c\u8be5\u65b9\u6848\u53ea\u9700\u8981\u6539\u9020\u7f51\u5173\u8bbe\u5907\uff0c\u4e0d\u9700\u8981\u6539\u9020\u5927\u91cf\u7684\u7ec8\u7aef\u8bbe\u5907\uff0c\u4e3a\u589e\u5f3aLoRa\u7f51\u7edc\u5b89\u5168\u63d0\u4f9b\u4e86\u5168\u65b0\u7684\u5e94\u7528\u6a21\u5f0f\u548c\u6280\u672f\u624b\u6bb5\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000LoRa\u6280\u672f\u5728\u7269\u7406\u5c42\u7684\u5b89\u5168\u7279\u6027\u4e3b\u8981\u5305\u62ec\u9690\u853d\u6027\u548c\u6297\u5e72\u6270\u7279\u6027\u3001\u7269\u7406\u5c42\u52a0\u5bc6\u4ee5\u53ca\u57fa\u4e8e\u5c04\u9891\u6307\u7eb9\u7684\u8eab\u4efd\u8ba4\u8bc1\u548c\u63a5\u5165\u5b89\u5168\u63aa\u65bd\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e94\u3001 LoRaWAN\u7aef\u5230\u7aef\u52a0\u5bc6\u7684\u6280\u672f\u7ec6\u8282\u548c\u5b89\u5168\u6027<\/h2>\n\n\n\n<p>\u3000\u3000LoRaWAN\u7aef\u5230\u7aef\u52a0\u5bc6\u7684\u6280\u672f\u7ec6\u8282\u548c\u5b89\u5168\u6027\u8bc4\u4f30\u5982\u4e0b\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. \u6280\u672f\u7ec6\u8282<\/h3>\n\n\n\n<p>\u3000\u3000LoRaWAN\u534f\u8bae\u91c7\u7528\u53cc\u91cdAES-128\u52a0\u5bc6\u673a\u5236\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u7684\u4fdd\u5bc6\u6027\u3001\u5b8c\u6574\u6027\u548c\u53ef\u7528\u6027\u3002\u8fd9\u79cd\u53cc\u91cd\u52a0\u5bc6\u673a\u5236\u5305\u62ec\u7f51\u7edc\u5c42\u5b89\u5168\u548c\u5e94\u7528\u5c42\u5b89\u5168\u4e24\u4e2a\u5c42\u9762\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5bc6\u94a5\u7ba1\u7406<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>NwkSKey\uff08\u7f51\u7edc\u4f1a\u8bdd\u5bc6\u94a5\uff09<\/strong>&nbsp;\uff1a\u7528\u4e8e\u8ba1\u7b97\u548c\u9a8c\u8bc1\u6240\u6709\u6570\u636e\u5e27\u7684\u6d88\u606f\u5b8c\u6574\u6027\u7801(MIC)\uff0c\u5e76\u786e\u4fdd\u6570\u636e\u7684\u5b8c\u6574\u6027\u3002\u5b83\u8fd8\u7528\u4e8e\u52a0\u5bc6\u548c\u89e3\u5bc6MAC\u4ec5\u6570\u636e\u5e27\u7684\u6709\u6548\u8d1f\u8f7d\u5b57\u6bb5\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>AppSKey\uff08\u5e94\u7528\u7a0b\u5e8f\u4f1a\u8bdd\u5bc6\u94a5\uff09<\/strong>&nbsp;\uff1a\u7528\u4e8e\u52a0\u5bc6\u548c\u89e3\u5bc6\u5e94\u7528\u7a0b\u5e8f\u7279\u5b9a\u6570\u636e\u5e27\u7684\u6709\u6548\u8d1f\u8f7d\u5b57\u6bb5\u3002\u5e94\u7528\u7a0b\u5e8f\u6709\u6548\u8f7d\u8377\u5e94\u5728\u7ec8\u7aef\u8bbe\u5907\u548c\u5e94\u7528\u7a0b\u5e8f\u670d\u52a1\u5668\u4e4b\u95f4\u8fdb\u884c\u7aef\u5230\u7aef\u52a0\u5bc6\uff0c\u4f46\u5728\u7a7a\u4e2d\u4f20\u8f93\u65f6\u4ec5\u53d7\u4fdd\u62a4\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u7f51\u5173\u5728LoRaWAN\u4e2d\u4ec5\u4f5c\u4e3a\u6570\u636e\u7684\u900f\u4f20\u8282\u70b9\uff0c\u52a0\u89e3\u5bc6\u5de5\u4f5c\u7531\u8282\u70b9\u548c\u670d\u52a1\u5668\u5206\u522b\u5b8c\u6210\u3002\u8fd9\u610f\u5473\u7740\u7f51\u7edc\u670d\u52a1\u5668\u53ef\u80fd\u53ef\u4ee5\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u4fee\u6539\u6570\u636e\u5e27\u7684\u52a0\u5bc6\u5185\u5bb9(\u4f46\u65e0\u6cd5\u8bfb\u53d6\u539f\u59cb\u5185\u5bb9)\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. 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