{"id":5099,"date":"2021-12-21T12:02:13","date_gmt":"2021-12-21T04:02:13","guid":{"rendered":"https:\/\/qt.ntu.edu.tw\/qoa\/?p=5099"},"modified":"2024-08-27T16:03:20","modified_gmt":"2024-08-27T08:03:20","slug":"202112-qc-communication","status":"publish","type":"post","link":"https:\/\/qt.ntu.edu.tw\/qoa\/202112-qc-communication\/","title":{"rendered":"\u91cf\u5b50\u901a\u8a0a\u5c0e\u8ad6"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"5099\" class=\"elementor elementor-5099\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8511774 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8511774\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2206cfb\" data-id=\"2206cfb\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8f52c85 elementor-widget elementor-widget-text-editor\" data-id=\"8f52c85\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<small><a href=\"https:\/\/qt.ntu.edu.tw\/qoa\">Home<\/a> \/ <a href=\"https:\/\/qt.ntu.edu.tw\/qoa\/resources\/\">\u6559\u80b2\u8cc7\u6e90<\/a> \/ <a href=\"https:\/\/qt.ntu.edu.tw\/qoa\/resources\/multimedia\/\">\u7db2\u8def\u5b78\u7fd2<\/a><\/small>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-726ef99 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"726ef99\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ed30b8a\" data-id=\"ed30b8a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8303bc3 elementor-widget elementor-widget-text-editor\" data-id=\"8303bc3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">\u96a8\u8457\u8d8a\u4f86\u8d8a\u591a\u7684\u7d44\u7e54\u5e0c\u671b\u900f\u904e\u7db2\u8def\u96f2\u7aef\u4f86\u7ba1\u7406\u6240\u6709\u65e5\u5e38\u7684\u71df\u904b\uff0c<\/span><span style=\"color: var( --e-global-color-text ); font-family: var( --e-global-typography-text-font-family ), Sans-serif; font-weight: var( --e-global-typography-text-font-weight ); word-spacing: normal;\">\u7db2\u8def\u653b\u64ca\u548c\u6578\u64da\u6d29\u9732\u4e8b\u4ef6\u767c\u751f\u7684\u983b\u7387\u8d8a\u4f86\u8d8a\u9ad8<\/span><span style=\"color: var( --e-global-color-text ); font-family: var( --e-global-typography-text-font-family ), Sans-serif; font-weight: var( --e-global-typography-text-font-weight ); word-spacing: normal;\">\uff0c\u800c<\/span><span style=\"color: var( --e-global-color-text ); font-family: var( --e-global-typography-text-font-family ), Sans-serif; word-spacing: normal;\">\u80fd\u5920\u4fdd\u8b77\u8cc7\u8a0a\u5b89\u5168\u6027\u7684\u6280\u8853<\/span><span style=\"color: var( --e-global-color-text ); font-family: var( --e-global-typography-text-font-family ), Sans-serif; word-spacing: normal;\">(Information Technology Security)\u4e5f\u5c31\u986f\u5f97<\/span><span style=\"color: var( --e-global-color-text ); font-family: var( --e-global-typography-text-font-family ), Sans-serif; font-weight: var( --e-global-typography-text-font-weight ); word-spacing: normal;\">\u76ca\u52a0<\/span><span style=\"color: var( --e-global-color-text ); font-family: var( --e-global-typography-text-font-family ), Sans-serif; font-weight: var( --e-global-typography-text-font-weight ); word-spacing: normal;\">\u91cd\u8981<\/span><span style=\"color: var( --e-global-color-text ); font-family: var( --e-global-typography-text-font-family ), Sans-serif; font-weight: var( --e-global-typography-text-font-weight ); word-spacing: normal;\">\u3002<\/span><\/p><p><span style=\"font-weight: 400;\">\u9664\u4e86\u50b3\u7d71\u7684\u8cc7\u8a0a\u5b89\u5168\u5a01\u8105\uff0c\u8fd1\u5e7e\u5e74\u91cf\u5b50\u96fb\u8166<\/span><span style=\"font-weight: 400;\">(Quantum Computers)\u6280\u8853\u7684\u7a81\u7834<\/span><span style=\"color: var( --e-global-color-text ); font-family: var( --e-global-typography-text-font-family ), Sans-serif; font-weight: var( --e-global-typography-text-font-weight ); word-spacing: normal;\">\uff0c<\/span><span style=\"color: var( --e-global-color-text ); font-family: var( --e-global-typography-text-font-family ), Sans-serif; word-spacing: normal;\">\u4e5f\u56b4\u91cd\u5a01\u8105\u4e86\u50b3\u7d71\u5bc6\u78bc\u5b78\u7684\u5b89\u5168\u6027<\/span><span style=\"color: var( --e-global-color-text ); font-family: var( --e-global-typography-text-font-family ), Sans-serif; font-weight: var( --e-global-typography-text-font-weight ); word-spacing: normal;\">\uff0c\u9700\u8981\u900f\u904e\u91cf\u5b50\u5bc6\u78bc\u5b78\u4f86\u7dad\u6301\u8cc7\u8a0a\u7684\u5b89\u5168\u6027<\/span><span style=\"color: var( --e-global-color-text ); font-family: var( --e-global-typography-text-font-family ), Sans-serif; font-weight: var( --e-global-typography-text-font-weight ); word-spacing: normal;\">\uff0c<\/span><span style=\"color: var( --e-global-color-text ); font-family: var( --e-global-typography-text-font-family ), Sans-serif; font-weight: var( --e-global-typography-text-font-weight ); word-spacing: normal;\">\u800c\u9019<\/span><span style=\"color: var( --e-global-color-text ); font-family: var( --e-global-typography-text-font-family ), Sans-serif; font-weight: var( --e-global-typography-text-font-weight ); word-spacing: normal;\">\u4ee3\u8868\u8457\u4e00\u500b\u5283\u6642\u4ee3\u7684\u8b8a\u5316\u6b63\u5728\u767c\u751f<\/span><span style=\"color: var( --e-global-color-text ); font-family: var( --e-global-typography-text-font-family ), Sans-serif; font-weight: var( --e-global-typography-text-font-weight ); word-spacing: normal;\">\u3002<\/span><span style=\"color: var( --e-global-color-text ); font-family: var( --e-global-typography-text-font-family ), Sans-serif; font-weight: var( --e-global-typography-text-font-weight ); word-spacing: normal;\">\u9019\u6bb5\u5f71\u7247\u4ee5\u8cc7\u8a0a\u50b3\u9001\u70ba\u4f8b\uff0c\u8aaa\u660e\u91cf\u5b50\u5bc6\u78bc\u5b78\u7684\u901a\u8a0a\u6280\u8853\u539f\u7406\u3002<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-d953732 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d953732\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c8bb5cf\" data-id=\"c8bb5cf\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8ccff93 elementor-widget elementor-widget-video\" data-id=\"8ccff93\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/youtu.be\\\/HkAg3Zeie3o&quot;,&quot;video_type&quot;:&quot;youtube&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><\/div>\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8780268 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8780268\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-b2bfff9\" data-id=\"b2bfff9\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-baec2d1 elementor-widget elementor-widget-text-editor\" data-id=\"baec2d1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><small>\u5f71\u7247\u4f86\u6e90: <a class=\"yt-simple-endpoint style-scope yt-formatted-string\" dir=\"auto\" spellcheck=\"false\" href=\"https:\/\/youtu.be\/HkAg3Zeie3o\" target=\"_blank\" rel=\"noopener\">senkonews<\/a><\/small><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3cac585 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3cac585\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e67637d\" data-id=\"e67637d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1788639 elementor-tabs-view-vertical elementor-widget elementor-widget-tabs\" data-id=\"1788639\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"tabs.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-tabs\">\n\t\t\t<div class=\"elementor-tabs-wrapper\" role=\"tablist\" >\n\t\t\t\t\t\t\t\t\t<div id=\"elementor-tab-title-2461\" class=\"elementor-tab-title elementor-tab-desktop-title\" aria-selected=\"true\" data-tab=\"1\" role=\"tab\" tabindex=\"0\" aria-controls=\"elementor-tab-content-2461\" aria-expanded=\"false\">\u5f71\u7247\u4e2d\u6587\u5b57\u5e55<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t<div class=\"elementor-tabs-content-wrapper\" role=\"tablist\" aria-orientation=\"vertical\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-tab-title elementor-tab-mobile-title\" aria-selected=\"true\" data-tab=\"1\" role=\"tab\" tabindex=\"0\" aria-controls=\"elementor-tab-content-2461\" aria-expanded=\"false\">\u5f71\u7247\u4e2d\u6587\u5b57\u5e55<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2461\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-2461\" tabindex=\"0\" hidden=\"false\"><\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-034c65a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"034c65a\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-02b7ac0\" data-id=\"02b7ac0\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a9b7015 elementor-widget elementor-widget-text-editor\" data-id=\"a9b7015\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>\u65bd\u9e97\u91f5&nbsp; \u8b6f<\/p>\n<p>(0:10-0:41)<\/p>\n<p>\u8cc7\u8a0a(Information)\u7684\u50b3\u8f38\u8b93\u4e16\u754c\u5404\u5730\u6709\u6240\u9023\u7d50\u4e26\u4fc3\u4f7f\u4e16\u754c\u7684\u8b8a\u5316\uff0c\u8cc7\u8a0a\u662f\u73fe\u4ee3\u4e16\u754c\u4e2d\u6700\u91cd\u8981\u3001\u6700\u5bf6\u8cb4\u7684\u5168\u7403\u8cc7\u6e90\u3002\u800c\u4e00\u500b\u7d44\u7e54\u7684\u751f\u5b58\u53d6\u6c7a\u65bc\u5176\u4fdd\u8b77\u95dc\u9375\u6578\u64da\u8cc7\u8a0a\u80fd\u529b\uff0c\u5305\u62ec\u77e5\u8b58\u7522\u6b0a\u3001\u5ba2\u6236\u4fe1\u606f\u3001\u5546\u696d\u79d8\u5bc6\u548c\u8cc7\u672c\u63a7\u5236\u7b49\u8cc7\u8a0a\u3002\u96a8\u8457\u8d8a\u4f86\u8d8a\u591a\u7684\u7d44\u7e54\u5e0c\u671b\u4f7f\u7528\u7db2\u8def\u4f86\u96f2\u7aef\u7ba1\u7406\u7d44\u7e54\u7684\u65e5\u5e38\u904b\u71df\uff0c\u4fdd\u8b77\u8cc7\u8a0a\u5b89\u5168\u6027\u7684\u6280\u8853(Information Technology Security)\u6b63\u5728\u63d0\u9ad8\uff0c\u7136\u800c\uff0c\u7db2\u7d61\u653b\u64ca\u548c\u6578\u64da\u6d29\u9732\u7684\u4e8b\u4ef6\u4e5f\u6b63\u5728\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u666e\u904d\u767c\u751f\u3002<\/p>\n<p>\u9664\u4e86\u9019\u4e9b\u6539\u8b8a\uff0c\u91cf\u5b50\u96fb\u8166(Quantum Computers)\u7684\u51fa\u73fe\u4e5f\u4ee3\u8868\u8457\u4e00\u500b\u6642\u4ee3\u7684\u8b8a\u5316\u767c\u751f\u3002<\/p>\n<p>(0:43-1:06)<\/p>\n<p>\u4f46\u662f\uff0c\u751a\u9ebc\u662f\u91cf\u5b50\u96fb\u8166\u5462\uff1f<\/p>\n<p>\u7c21\u800c\u8a00\u4e4b\uff0c\u91cf\u5b50\u96fb\u8166\u662f\u4ee5\u91cf\u5b50\u529b\u5b78(Quantum Mechanics)\u7684\u539f\u7406\u70ba\u57fa\u790e\u4f86\u89e3\u6c7a\u50b3\u7d71\u96fb\u8166\u7121\u6cd5\u89e3\u6c7a\u7684\u8907\u96dc\u554f\u984c\u7684\u8a2d\u5099\u3002\u5728\u672a\u4f86\uff0c\u8d85\u5927\u898f\u6a21\u6578\u64da\u4e2d\u5fc3\u53ef\u80fd\u6703\u8d8a\u4f86\u8d8a\u591a\u5730\u85c9\u7531\u7d50\u5408\u91cf\u5b50\u96fb\u8166\u548c\u901a\u4fe1\u7bc0\u9ede(Communication Nodes)\u4f86\u589e\u52a0\u5176\u96fb\u8166\u4e4b\u904b\u7b97\u80fd\u529b\uff0c\u4f8b\u5982\uff1a\u63d0\u4f9b\u91cf\u5b50\u96fb\u8166\u4f5c\u70ba\u4f3a\u670d\u5668\u7684\u9078\u64c7\u3002<\/p>\n<p>\u91cf\u5b50\u5bc6\u78bc\u5b78(Quantum Cryptography)\u6703\u6210\u70ba\u4fdd\u8b77\u5230\u9054\u6216\u96e2\u958b\u6578\u64da\u4e2d\u5fc3\u7684\u95dc\u9375\u6578\u64da\u7684\u57fa\u672c\u5de5\u5177\uff0c\u4e26\u5c07\u69cb\u6210\u91cf\u5b50\u7db2\u8def(Quantum Internet)\u7684\u57fa\u790e\u3002<\/p>\n<p>(1:06-2:06)<\/p>\n<p>\u90a3\u9ebc\u4ec0\u9ebc\u662f\u91cf\u5b50\u5bc6\u78bc\u5b78\u5462\uff1f<br>\u91cf\u5b50\u5bc6\u78bc\u5b78\u57fa\u65bc\u4e00\u500b\u539f\u7406\uff1a\u300c\u4efb\u4f55\u5728\u91cf\u5b50\u901a\u8a0a\u983b\u9053(Quantum Communication Channel)\u6514\u622a\u91cf\u5b50\u7c92\u5b50\u7684\u5617\u8a66\u90fd\u6703\u4e0d\u53ef\u9006\u5730\u6539\u8b8a\u91cf\u5b50\u7c92\u5b50\u7684\u72c0\u614b\uff0c\u4e26\u4e14\u56e0\u6b64\u53ef\u4ee5\u88ab\u539f\u672c\u5728\u4ea4\u63db\u8cc7\u8a0a\u7684\u5169\u65b9\u6aa2\u6e2c\u5230\u3002\u300d<\/p>\n<p>\u54c7\uff0c\u807d\u8d77\u4f86\u975e\u5e38\u91cd\u8981\uff0c\u4f46\u9019\u662f\u4ec0\u9ebc\u610f\u601d\u5462\uff1f<\/p>\n<p>\u8b93\u6211\u5011\u4f86\u60f3\u50cf\u4e00\u4e0b\uff0c\u4e00\u500b\u767c\u4ef6\u4eba(\u7a31\u70baAlice)\u901a\u904e\u6b63\u5e38\u7684\u5149\u983b\u9053\u5c07\u8cc7\u8a0a\u50b3\u9001\u7d66\u6536\u4ef6\u4eba(\u7a31\u70baBob)\u3002\u9019\u4ee3\u8868Alice\u7528\u6fc0\u5149\u4ee5\u5149\u8108\u885d\u7684\u5f62\u5f0f\u767c\u9001\u8cc7\u8a0a\uff0c\u6bcf\u500b\u8108\u885d\u5305\u542b\u6578\u767e\u500b\u5149\u5b50\uff0c\u800cBob\u53ef\u4ee5\u85c9\u7531\u7684\u5149\u96fb\u63a2\u6e2c\u5668\u6aa2\u6e2c\u5230\u9019\u4e9b\u8cc7\u8a0a\u3002<\/p>\n<p>\u73fe\u5728\uff0c\u5982\u679c\u4e00\u540d\u7aca\u807d\u8005(\u7a31\u70baEve)\uff0c\u8981\u5077\u53d6\u8cc7\u8a0a\u7684\u540c\u6642\u4e0d\u8b93Alice\u548cBob\u767c\u73fe\uff0c\u4ed6\u53ea\u9700\u8981\u5728\u5149\u5b50\u7d93\u904e\u6642\uff0c\u6293\u4f4f\u4e00\u5c0f\u90e8\u5206\u5149\u5b50\uff0c\u9019\u6a23Bob \u4ecd\u7136\u6703\u63a5\u6536\u5230\u5927\u90e8\u5206\u5149\u5b50\u4e26\u4e14\u4e0d\u6703\u7522\u751f\u4efb\u4f55\u61f7\u7591\u3002<\/p>\n<p>(2:06-2:43)<\/p>\n<p>\u4e8b\u5be6\u4e0a\u56e0\u70ba\u5982\u4eca\u8cc7\u8a0a\u5df2\u7d93\u52a0\u5bc6\u3002\u4e5f\u5c31\u662fAlice\u7528\u4e00\u500b\u7279\u6b8a\u7684\u79c1\u5bc6\u91d1\u9470(Private Key)\u9396\u5b9a\u6d88\u606f\uff0c\u89e3\u9396\u548c\u95b1\u8b80\u8cc7\u8a0a\u7684\u552f\u4e00\u65b9\u6cd5\u662f\u4f7f\u7528Alice\u7d66Bob\u7684\u76f8\u61c9\u79c1\u9470\u4f86\u89e3\u9396\uff0c\u5982\u6b64\u4e00\u4f86Eve\u5c31\u53ef\u4ee5\u5f97\u5230\u4ed6\u60f3\u8981\u7684\u4e00\u5207\u8cc7\u8a0a\uff0c\u76f8\u53cd\u7684\uff0c\u5982\u679c\u6c92\u6709\u9470\u5319\uff0cEve\u5c07\u7121\u6cd5\u89e3\u9396\u4fe1\u606f\u3002<\/p>\n<p>\u554f\u984c\u662fAlice\u5982\u4f55\u5b89\u5168\u5730\u5c07\u5bc6\u9470\u767c\u9001\u7d66Bob\uff0c\u5982\u679c\u5979\u901a\u904e\u6b63\u5e38\u983b\u9053(Normal Channel)\u767c\u9001\u5bc6\u9470\u4e26\u4e14\u88abEve\u6514\u622a\uff0c\u90a3\u9ebcEve\u5c31\u53ef\u4ee5\u900f\u904e\u5f97\u5230\u7684\u5bc6\u9470\uff0c\u5c07Alice\u767c\u9001\u7d66Bob\u7684\u6240\u6709\u8cc7\u8a0a\u89e3\u9396\uff0c\u4e26\u4e14\u540c\u6642\u4e0d\u6703\u88abAlice\u548cBob\u77e5\u9053\u3002<\/p>\n<p>Alice\u548cBob\u9700\u8981\u505a\u7684\u6539\u8b8a\u662f\u4f7f\u7528\u4e00\u500b\u7279\u6b8a\u7684\u983b\u9053\u4f86\u4ea4\u63db\u5bc6\u9470\uff0c\u91cf\u5b50\u983b\u9053(Quantum Channel)\u3002<\/p>\n<p>(2:43-3:37)<\/p>\n<p>\u5728\u91cf\u5b50\u983b\u9053\u4e2d\uff0cAlice\u4e00\u6b21\u53ea\u6703\u767c\u9001\u4e00\u500b\u5149\u5b50(Photon)\u7d66Bob\u3002\u9019\u500b\u5149\u5b50\u53ef\u4ee5\u540c\u6642\u5b58\u5728\u65bc\u8a31\u591a\u72c0\u614b\uff0c\u76f4\u5230\u5b83\u7b2c\u4e00\u6b21\u88ab\u6e2c\u91cf\u5f8c\uff0c\u5b83\u7684\u72c0\u614b\u6703\u88ab\u6c7a\u5b9a\uff0c\u6216\u8005\u7528\u91cf\u5b50\u7684\u8a9e\u8a00\u8aaa\u6211\u5011\u6703\u8aaa\u5149\u5b50\u7684\u6ce2\u51fd\u6578\u5728\u89c0\u5bdf\u6642\u767c\u751f\u4e86\u584c\u7e2e\u3002<\/p>\n<p>\u4f46\u9019\u6709\u751a\u9ebc\u5e6b\u52a9\u5462\uff1f<\/p>\n<p>\u6211\u5011\u9700\u8981\u5229\u7528\u91cf\u5b50\u6548\u61c9\uff0c\u4f8b\u5982\u758a\u52a0\u6216\u7cfe\u7e8f\u7b49\uff0c\u73fe\u5728\u56e0\u70baAlice\u4e00\u6b21\u53ea\u6703\u767c\u9001\u4e00\u500b\u5149\u5b50\u800c\u4e0d\u662f\u5927\u91cf\u7684\u5149\u5b50\uff0c\u4f7fEve\u7121\u6cd5\u7aca\u53d6\u5149\u5b50\u3002Eve\u9700\u8981\u7684\u662f\u53bb\u6e2c\u91cf\u5149\u5b50\u5f97\u5230\u8cc7\u8a0a\u5f8c\uff0c\u91cd\u65b0\u50b3\u9001\u4e00\u500b\u91cd\u8907\u6216\u662f\u514b\u9686\u7684\u5149\u5b50\u7d66Bob\u3002\u7136\u800c\uff0c\u4e00\u65e6\u5149\u5b50\u88ab\u7b2c\u4e00\u6b21\u6e2c\u91cf\u6216\u89c0\u5bdf\u5f8c\uff0c\u72c0\u614b\u5c31\u8b8a\u5f97\u56fa\u5b9a\u4e86\uff0c\u6240\u4ee5\u5373\u4f7fEve\u5c07\u5149\u5b50\u7684\u7cbe\u78ba\u8907\u88fd\u4e26\u50b3\u9001\u7d66Bob\uff0cBob \u80fd\u5920\u6aa2\u6e2c\u5230\u6709\u4eba\u5df2\u7d93\u89c0\u5bdf\u5230\u5149\u5b50\uff0c\u4e26\u4e14\u5bdf\u89ba\u5230\u901a\u9053\u4e0d\u5b89\u5168\u3002<\/p>\n<p>(3:37-4:17)<\/p>\n<p>\u5728\u91cf\u5b50\u7684\u4e16\u754c\u4e2d\uff0c\u9019\u53eb\u4e0d\u53ef\u8907\u88fd\u539f\u7406(No-Cloning Theorem)\u3002\u9019\u7a2e\u5b89\u5168\u767c\u9001\u52a0\u5bc6\u5bc6\u9470\u7684\u6280\u8853\u7a31\u70ba\u91cf\u5b50\u5bc6\u9470\u5206\u767c(Quantum Key Distribution)\uff0c\u6700\u5e38\u898b\u7684\u91cf\u5b50\u5bc6\u9470\u5206\u767c\u4f8b\u5b50\u662f bb-84 \u5354\u8b70\u3002<\/p>\n<p>\u5982\u679c\u8981\u6e2c\u8a66\u662f\u5426\u6709\u4eba\u5728\u983b\u9053\u4e0a\u76e3\u807d\uff0cAlice \u5c07\u4e00\u5e8f\u5217\u7684\u55ae\u500b\u5149\u5b50\u85c9\u7531\u91cf\u5b50\u983b\u9053\u767c\u9001\u7d66 bob\uff0c\u6bcf\u500b\u5149\u5b50\u90fd\u6703\u662f\u56db\u7a2e\u96a8\u6a5f\u5316\u6027\u8cea\u4e2d\u7684\u4e00\u7a2e\uff0cAice \u548c Bob \u53ef\u4ee5\u85c9\u7531\u6bd4\u8f03\u6027\u8cea\u4ee5\u78ba\u8a8d\u91cf\u5b50\u983b\u9053\u7684\u5149\u5b50\u662f\u5426\u6709\u88ab\u6514\u622a\u3002\u5982\u679c\u6c92\u6709\uff0c\u4ed6\u5011\u5c31\u53ef\u4ee5\u5f9eAlice\u767c\u9001\u7684\u4e00\u5e8f\u5217\u55ae\u5149\u5b50\u7684\u63d0\u53d6\u5171\u4eab\u5bc6\u9470\uff0c\u800c bob \u53ef\u4ee5\u4f7f\u7528\u9019\u500b\u79d8\u5bc6\u5171\u4eab\u5bc6\u9470\u4f86\u52a0\u5bc6\u548c\u89e3\u5bc6\u5728\u6b63\u5e38\u901a\u4fe1\u983b\u9053\u767c\u9001\u7684\u8cc7\u8a0a\u3002<\/p>\n<p>(4:17-5:10)<\/p>\n<p>\u4f46\u9019\u500b\u91cf\u5b50\u983b\u9053\u5728\u73fe\u5be6\u4e2d\u6703\u662f\u4ec0\u9ebc\u6a23\u5b50\u5462\uff1f<\/p>\n<p>\u91cf\u5b50\u983b\u9053\u5c07\u662f\u7531\u5149\u7e96\u548c\u9023\u63a5\u5668\u7d44\u6210\u7684\u5149\u983b\u9053\uff0c\u5c07\u55ae\u500b\u5149\u5b50\u6216\u7cfe\u7e8f\u7684\u5149\u5b50\u5c0d\u5f9e Alice\u50b3\u9001\u7d66Bob\u3002<\/p>\n<p>\u55ae\u500b\u5149\u5b50\u6975\u5176\u8106\u5f31\uff0c\u80fd\u91cf\u5fae\u4e4e\u5176\u5fae\u3002\u56e0\u6b64\uff0c\u88fd\u4f5c\u91cf\u5b50\u983b\u9053\u7684\u5f88\u91cd\u8981\u7684\u4e00\u9ede\u662f\u78ba\u4fdd\u5149\u5b50\u50b3\u8f38\u7684\u65c5\u7a0b\u4e2d\u76e1\u53ef\u80fd\u9806\u66a2\u548c\u7121\u7e2b\uff0c\u9014\u4e2d\u7684\u4efb\u4f55\u985b\u7c38\u90fd\u53ef\u80fd\u5c0e\u81f4\u55ae\u500b\u5149\u5b50\u574d\u7e2e\u6210\u56fa\u5b9a\u72c0\u614b\uff0c\u5c31\u597d\u50cf\u5b83\u5728\u9014\u4e2d\u89c0\u6e2c\u5f8c\u88ab\u6514\u622a\u4e86\u4e00\u6a23\uff0c\u4f7fBob\u5f97\u5230\u6c92\u6709\u7528\u7684\u8cc7\u8a0a\u3002\u983b\u9053\u8d8a\u9577\uff0c\u4ee3\u8868\u5149\u5b50\u66f4\u6709\u53ef\u80fd\u5728\u9014\u4e2d\u9047\u5230\u969c\u7919\u4e26\u88ab\u622a\u65b7\u4f7f\u5176\u7121\u6cd5\u4f7f\u7528\uff0c\u6240\u4ee5\u70ba\u4e86\u88fd\u4f5c\u4e00\u500b\u5408\u9069\u7684\u91cf\u5b50\u983b\u9053\uff0c\u5c0d\u55ae\u5149\u5b50\u800c\u8a00\uff0c\u69cb\u6210\u983b\u9053\u5149\u7e96\u4e2d\u7684\u5149\u9023\u63a5\u5668\u9700\u8981\u5e7e\u4e4e\u4e0d\u53ef\u898b\u3002<\/p>\n<p>\u85c9\u7531\u65b0\u4e00\u4ee3\u7121\u640d\u5149\u5b78\u6280\u8853\uff0c\u91cf\u5b50\u7db2\u8def\u53ef\u4ee5\u900f\u904e\u4e16\u754c\u5404\u5730\u50b3\u8f38\u7684\u91cf\u5b50\u5149\u5b50\u4f86\u5efa\u7acb\u3002<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>\u96a8\u8457\u8d8a\u4f86\u8d8a\u591a\u7684\u7d44\u7e54\u5e0c\u671b\u4f7f\u7528\u7db2\u8def\u4f86\u96f2\u7aef\u7ba1\u7406\u7d44\u7e54\u7684\u65e5\u5e38\u904b\u71df\uff0c\u4fdd\u8b77\u8cc7\u8a0a\u5b89\u5168\u6027\u7684\u6280\u8853(Information Technology Security)\u6b63\u5728\u63d0\u9ad8\uff0c\u7136\u800c\uff0c\u7db2\u7d61\u653b\u64ca\u548c\u6578\u64da\u6d29\u9732\u7684\u4e8b\u4ef6\u4e5f\u6b63\u5728\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u666e\u904d\u767c\u751f\u3002<\/p>\n","protected":false},"author":2,"featured_media":5107,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[87,88,136,135],"tags":[103],"class_list":["post-5099","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-resources","category-multi","category-quantum_cryptography","category-quantum_communication","tag-103"],"_links":{"self":[{"href":"https:\/\/qt.ntu.edu.tw\/qoa\/wp-json\/wp\/v2\/posts\/5099","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/qt.ntu.edu.tw\/qoa\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/qt.ntu.edu.tw\/qoa\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/qt.ntu.edu.tw\/qoa\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/qt.ntu.edu.tw\/qoa\/wp-json\/wp\/v2\/comments?post=5099"}],"version-history":[{"count":23,"href":"https:\/\/qt.ntu.edu.tw\/qoa\/wp-json\/wp\/v2\/posts\/5099\/revisions"}],"predecessor-version":[{"id":9211,"href":"https:\/\/qt.ntu.edu.tw\/qoa\/wp-json\/wp\/v2\/posts\/5099\/revisions\/9211"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/qt.ntu.edu.tw\/qoa\/wp-json\/wp\/v2\/media\/5107"}],"wp:attachment":[{"href":"https:\/\/qt.ntu.edu.tw\/qoa\/wp-json\/wp\/v2\/media?parent=5099"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/qt.ntu.edu.tw\/qoa\/wp-json\/wp\/v2\/categories?post=5099"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/qt.ntu.edu.tw\/qoa\/wp-json\/wp\/v2\/tags?post=5099"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}