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\n\t\u4f9d\u7167\u754c\u5b9a\uff0c\u6839\u636e\u786c\u4ef6\u914d\u7f6e\u7684RoT\u5143\u5668\u4ef6\u5f53\u7136\u5fc5\u987b\u5728\u96c6\u6210ic\u4e2d\u5b8c\u6210\u3002\u5728\u8fd9\u91cc\u60c5\u5f62\u4e0b\uff0c\u6700\u5e38\u89c1\u7684\u96c6\u6210ic\u670d\u52a1\u5e73\u53f0\u5373\u5fae\u5904\u7406\u5668\uff08MCU<\/u>\uff09\u548c\u73b0 \u573a\u53ef\u7f16\u95e8\u9635\u5217\uff08FPGA<\/u>\uff09\u3002\u5728\u8003\u8651\u5230\u5230FPGA\u548cMCU\u7684\u8fd0\u4f5c\u7279\u5f81\u548c\u7279\u70b9\u540e\uff0c\u5927\u5bb6\u53d1\u89c9FPGA\u5728\u8f83\u5927\u6c34\u5e73\u4e0a\u66f4\u9002\u7528PFR\u89e3\u51b3\u65b9\u6cd5\u3002<\/p>\n

\n\t\u5e94\u7528MCU\u5b8c\u6210\u53ef\u9760\u6839<\/p>\n

\n\tMCU\u4ee5\u5f80\u7ecf\u5e38\u5728\u670d\u52a1\u5668\u7684\u914d\u7f6e\u5546\u54c1\u4e2d\u7528\u4ee5\u642d\u5efa\u53ef\u9760\u6839\u3002\u7b80\u6613\u800c\u8a00\uff0c\u4fbf\u662f\u4fdd\u5b58MCU\u5c42\u7684\u4e00\u90e8\u5206\u4e3a\u53ef\u9760\u5b9e\u884c\u81ea\u7136\u73af\u5883\u3002MCU \u7684\u8fd9\u4e00\u90e8\u5206\u4e0e\u96c6\u6210ic\u7684\u522b\u7684\u5730\u533a\u7ef4\u6301\u7269\u7406\u9694\u79bb\uff0c\u5e76\u4e0d\u65ad\u76d1\u7ba1<\/u>\u56fa\u5b9a\u4ef6\uff0c\u4fdd\u8bc1\u5176\u5f97\u5230\u8bb8\u53ef\u5e76\u4e00\u5207\u6b63\u5e38\u5de5\u4f5c\u4e2d\u3002\u4e00\u822c\u800c\u8a00\uff0c\u7f51\u7edc\u670d\u52a1\u5668\u4e0a\u7684PFR\u4f5c\u7528\u662f\u6839\u636e\u5411\u76ee\u524d\u7684\u786c\u4ef6\u914d\u7f6e\u6784\u67b6\u4e0a\u52a0\u4e0aRoT MCU\u5b8c\u6210\u7684\u3002<\/p>\n

\n\tMCU\u901a\u5e38\u65e0\u6cd5\u9002\u7528\u8ba4\u8bc1\u7f51\u7edc\u670d\u52a1\u5668\u4e2d\u7684\u597d\u51e0\u4e2a\u56fa\u5b9a\u4ef6\u6848\u4f8b\u3002\u8fd9\u662f\u7531\u4e8e\u5b83\u6ca1\u6cd5\u5728\u6c92\u6709\u5916\u56f4\u8bbe\u5907\uff08\u5982PLD\uff09\u7684\u5e6b\u52a9\u4e0b\u56de\u5e94\u5bf9\u4e91\u4e3b\u673a\u5168\u90e8\u56fa\u5b9a\u4ef6\u6848\u4f8b\u7684\u7cfb\u7edf\u8f6f\u4ef6\u5167\u90e8\u8fdb\u653b\uff08\u800cPLD\u80fd\u5b9e\u65f6\u76d1\u63a7\u7cfb\u7edfSPI<\/u>\u50a8\u5b58\u5668<\/u>\u7684\u603b\u6d41\u91cf\u5e76\u540c\u6b69\u68c0\u9a8c\u548c\u56de\u5e94\u4fb5\u5165\u4e2a\u4eba\u884c\u4e3a\uff09\u3002\u5982\u4e0b\u56fe4\u6240\u663e\u793a\uff0c\u5e94\u7528MCU\u5b8c\u6210PFR\u7684\u4e09\u4e2a\u90e8\u4ef6\u4e3a\uff1a<\/p>\n

\n\tRoT MCU\u2013 RoT MCU\u5b9e\u884c\u68c0\u9a8c\u3001\u4fee\u590d\u548c\u7ef4\u62a4\u4f5c\u7528\uff1b\u5b83\u662f\u5b8c\u6210RoT\u7684\u4e3b\u8981\u90e8\u4ef6\u3002<\/p>\n

\n\t\u7ef4\u62a4PLD\u2013 \u6839\u636e\u5b9e\u65f6\u76d1\u63a7\u7cfb\u7edf\u5168\u90e8\u90e8\u4ef6CPU\u4e0e\u5176\u8bf4SPI\u50a8\u5b58\u5668\u673a\u5668\u8bbe\u5907\u95f4\u7684\u4e3b\u9898\u6d3b\u52a8\uff0c\u89c4\u6a21\u6027\u5b8c\u6210PFR\uff0c\u5168\u65b9\u4f4d\u7ef4\u62a4\u7535\u6e90\u7535\u8def<\/u>\u677f\u3002<\/p>\n

\n\t\u64cd\u7eb5PLD\u2013 \u8be5\u5143\u5668\u4ef6\u96c6\u6210\u5316\u4e86\u5168\u90e8\u7ebf\u8def\u677f<\/u>\u7ea7\u7684\u901a\u7535\u548c\u6821\u51c6\u65f6\u949f\u9891\u7387\u4f5c\u7528\uff0c\u5305\u542b\u98ce\u673a\u64cd\u7eb5\u3001SGPIO\u3001I2C<\/u>\u7f13\u5b58\u3001\u6570\u636e\u4fe1\u53f7\u96c6\u6210\u5316\u548c\u5e26\u5916\u901a\u8baf\u7b49\u8fd0\u884c\u7535\u8111\u4e3b\u677f\u52a1\u5fc5\u7684\u4f5c\u7528\u3002RoT MCU\u6307\u4ee4\u64cd\u7eb5PLD\u4e3a\u7535\u6e90\u7535\u8def<\/u>\u677f\u901a\u7535\u3002\u82e5\u5fc5\u987b\u5728\u504f\u6fc0\u72b6\u51b5\u5f00\u5c55\u4fee\u590d\uff0cRoT MCU\u5219\u6307\u4ee4\u64cd\u7eb5PLD\u4ec5\u4e3a\u53ef\u9760\u4fee\u590d\u64cd\u4f5c\u8fc7\u7a0b\u4e2d\u91c7\u7528\u7684\u4e00\u90e8\u5206\u7ebf\u8def\u677f\u914d\u7535\u3002<\/p>\n

\n

\n\t\u56fe 4\uff1a\u5047\u5982\u5fc5\u987b\u5404\u90e8\u4ef6\u4e0e\u6b64\u540c\u65f6\u8fd0\u884c\uff0c\u90a3\u9ebc\u5408\u4e4ePFR\u89c4\u8303\u3001\u5e94\u7528MCU\u505a\u4e3a\u53ef\u9760\u6839\u7684\u7f51\u7edc\u670d\u52a1\u5668\u8fd8\u5fc5\u987b\u53e6\u5916\u7684\u90e8\u4ef6\uff08FPGA\uff09\u6765\u51c6\u5907\u5fc5\u9700\u7684\u6027\u80fd\u5353\u8d8a\uff1b\u5728\u5927\u91cf\u7684\u670d\u52a1\u5668\u5e94\u7528\u60c5\u666f\u4e0b\uff0c\u6b64\u7c7b\u89e3\u51b3\u65b9\u6cd5\u4e0d\u80fd\u62d3\u5c55<\/p>\n

\n\t\u8fd9\u7c7b\u6839\u636eMCU\u7684PFR\u8ba1\u5212\u65b9\u6848\u6709\u4f17\u591a\u9650\u5b9a\u3002\u6bd4\u5982\uff0c\u56fe4\u7535\u6e90\u7535\u8def\u4e2d\u91c7\u7528\u7684\u64cd\u7eb5PLD\u6ca1\u6cd5\u7ef4\u62a4\u672c\u8eab\u56fa\u5b9a\u4ef6\uff0c\u4e5f\u5c31\u4ee3\u8868\u7740\u8fd9\u7c7b\u6784\u67b6\u5e76\u4e0d\u662f\u7b26\u5408\u5b9e\u9645NIST PFR\u7684\u89c4\u5b9a\u3002\u64cd\u7eb5PLD\u7684\u7f16\u7801\u4ecd\u6709\u53ef\u80fd\u88ab\u6539\u52a8\uff0c\u8ba9RoT MCU\u65e0\u6548\u3002\u4e5f\u6709\u5f88\u6709\u53ef\u80fd\u906d\u53d7\u6c38\u4e45\u6027\u62d2\u7edd\u670d\u52a1\u653b\u51fb\uff08PDoS\uff09\uff0c\u6839\u636e\u5220\u6389\u8fd9\u79cdPLD\u4e0a\u7684\u4fe1\u606f\u5185\u5bb9\uff0c\u8ba9\u7cfb\u7edf\u8f6f\u4ef6\u6ca1\u6cd5\u8fd0\u4f5c\uff0c\u8fdb\u800c\u4f7f\u8ba9\u7f51\u7edc\u670d\u52a1\u5668\u65e0\u6cd5\u542f\u52a8\u3002\u7ef4\u62a4\u548c\u64cd\u7eb5PLD\u5b58\u6709\u7684\u7f51\u7edc\u5b89\u5168\u95ee\u9898\u4fc3\u4f7f\u90e8\u4ef6\u5728\u8fd0\u9001\u6216\u662f\u4fe1\u606f\u7cfb\u7edf\u96c6\u6210\u5168\u8fc7\u7a0b\u4e2d\u96be\u4ee5\u907f\u514d\u5bf9\u56fa\u5b9a\u4ef6\u7684\u8fdb\u653b\u3002\u4e3a\u4e86\u66f4\u597d\u5730\u505a\u5230NIST SP 800 193\u89c4\u8303\uff0cRoT MCU\u52a1\u5fc5\u4e0e\u6b64\u540c\u65f6\u4e3a\u64cd\u7eb5PLD\u548c\u7ef4\u62a4PLD\u5b8c\u6210PFR\u4f5c\u7528\u3002\u800c\u5e94\u7528MCU\u5728\u8fd9\u79cd\u5143\u5668\u4ef6\u4e0a\u5b8c\u6210\u4fee\u590d\u548c\u7ef4\u62a4\u80fd\u529b\u5341\u5206\u8270\u96be\u3002\u6700\u7ec8\uff0c\u6839\u636eMCU\u7684\u8ba1\u5212\u65b9\u6848\u5fc5\u987b\u53e6\u5916\u7684\u7cfb\u7edf\u8f6f\u4ef6\u7ea7\u8fc7\u7a0b\u6765\u68c0\u68c0\u6d4b<\/u>\u56fe\u907f\u8fc7\u5168\u90e8RoT\u7535\u6e90\u7535\u8def\u7684\u653b\u51fb\u6027\u884c\u4e3a\u3002<\/p>\n

\n\t\u5e94\u7528FPGA\u5b8c\u6210\u53ef\u9760\u6839<\/p>\n

\n

\n\t\u56fe 5\uff1aRoT FPGA\u89e3\u51b3\u65b9\u6cd5\u5c06RoT MCU\u3001\u64cd\u7eb5PLD\u548c\u7ef4\u62a4PLD\u7684\u4f5c\u7528\u96c6\u6210\u5316\u5728\u5355\u72ec\u4e00\u4e2a\u96c6\u6210ic\u4e0a\uff0c\u4e0d\u4f46\u9760\u8c31\u3001\u6613\u62d3\u5c55\uff0c\u5e76\u4e14\u4e0d\u80fd\u907f\u8fc7\u3002\u5728\u6709\u7740\u5408\u4e4ePFR\u89c4\u8303\u7684PLD\u7684\u7f51\u7edc\u670d\u52a1\u5668\u4e0a\uff0cPLD\u7684\u7279\u6027\u8db3\u591f\u5e76\u884c\u5904\u7406\u68c0\u6d4b\u5168\u90e8\u90e8\u4ef6\u7684\u56fa\u5b9a\u4ef6\u800c\u4e0d\u7528\u5e94\u7528\u9644\u52a0\u7684FPGA<\/p>\n

\n\t\u6839\u636e\u53ef\u9760\u6839FPGA\u7684PFR\u89e3\u51b3\u65b9\u6cd5\u4f18\u70b9<\/p>\n

\n\t\u6b63\u5982\u540c\u5176\u540d\uff0c\u53ef\u7f16\u7a0b\u903b\u8f91\u7535\u6e90\u7535\u8def\uff08PLD\uff09\u662f\u4e00\u79cd\u51e0\u4e4e\u53ef\u4ee5\u77ac\u95f4\u5b8c\u6210\u8fdc\u7a0b\u63a7\u5236\u518d\u6b21\u7a0b\u5e8f\u7f16\u5199\u7684\u7535\u5b50\u5668\u4ef6<\/u>\uff0c\u4ee5\u878d\u5165\u6301\u7eed\u53d8\u52a8\u7684\u60c5\u666f\u3002PLD\u53ef\u4ee5\u5728\u786c\u4ef6\u914d\u7f6e\u65b9\u9762\u4e0a\u5f71\u54cd\u5176\u7535\u6e90\u7535\u8def\uff0c\u56e0\u800c\u4e00\u65e6\u76d1\u6d4b\u5230\u6ca1\u7ecf\u8ba4\u8bc1\u7684\u56fa\u5b9a\u4ef6\uff0c\u8be5\u56fa\u5b9a\u4ef6\u5c31\u65e0\u6cd5\u5b89\u88c5\u3002<\/p>\n<\/p>\n

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\n\t\u5728\u6211\u4eec\u6bd4\u7167PLD\u548cMCU\u7684\u7279\u6027\u65f6\uff0c\u4f1a\u53d1\u89c9PLD\u80fd\u7ed9\u4e88\u7279\u6027\u66f4\u4f18\u8d28\u3001\u66f4\u52a0\u9760\u8c31\u7684\u670d\u52a1\u5e73\u53f0\u5b8c\u6210\u6839\u636e\u786c\u4ef6\u914d\u7f6e\u7684\u53ef\u9760\u6839\uff1b\u5b83\u4e5f\u53d8\u6210\u8fbe\u5230PFR\u89c4\u8303\u7684\u5fc5\u9700\u5143\u5668\u4ef6\u3002<\/p>\n

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\n\t<\/p>\n

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\n

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\n\t\u603b\u7ed3<\/p>\n

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 <\/p>\n

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