{"id":952,"date":"2022-03-01T22:58:10","date_gmt":"2022-03-01T14:58:10","guid":{"rendered":"http:\/\/eotstxtab.top\/?p=952"},"modified":"2022-03-12T16:00:22","modified_gmt":"2022-03-12T08:00:22","slug":"%e5%8a%a8%e6%80%81%e5%8f%af%e6%90%9c%e7%b4%a2%e5%8a%a0%e5%af%86-1-%e5%89%8d%e4%b8%96%e4%bb%8a%e7%94%9f","status":"publish","type":"post","link":"http:\/\/43.142.23.155\/?p=952","title":{"rendered":"\u52a8\u6001\u53ef\u641c\u7d22\u52a0\u5bc6-1-\u524d\u4e16\u4eca\u751f"},"content":{"rendered":"\n<p style=\"font-size:30px\">\u4e00\u3001\u524d\u4e16\uff1a\u4e91\u8ba1\u7b97\u65f6\u4ee3\u4e0b\u7684\u6570\u636e\u5b89\u5168<\/p>\n\n\n\n<p>\u4e91\u8ba1\u7b97\u5f3a\u5927\u7684\u5f00\u653e\u6027\u548c\u5171\u4eab\u6027\u5728\u4e3a\u4eba\u4eec\u5e26\u6765\u4fbf\u5229\u7684\u540c\u65f6\uff0c\u4e91\u8ba1\u7b97\u7684\u5b89\u5168\u6027\u5374\u9762\u4e34\u7740\u975e\u5e38\u5927\u7684\u6311\u6218\uff0c\u7528\u6237\u5e0c\u671b\u80fd\u591f\u5c06\u6570\u636e\u4ea4\u7531\u4e91\u670d\u52a1\u5668\u5b58\u50a8\u548c\u7ba1\u7406\u7684\u540c\u65f6\u53c8\u4e0d\u5411\u4e91\u670d\u52a1\u5668\u6cc4\u9732\u4efb\u4f55\u4e0e\u6570\u636e\u76f8\u5173\u7684\u4fe1\u606f\uff0c\u800c\u5bf9\u6570\u636e\u8fdb\u884c\u52a0\u5bc6\u518d\u4e0a\u4f20\u662f\u6700\u5e38\u89c1\u7684\u89e3\u51b3\u529e\u6cd5\u3002<\/p>\n\n\n\n<p>\u867d\u7136\u6570\u636e\u52a0\u5bc6\u518d\u4e0a\u4f20\u89e3\u51b3\u4e86\u9690\u79c1\u5b89\u5168\u95ee\u9898\uff0c\u4f46\u662f\u5f53\u7528\u6237\u9700\u8981\u4f7f\u7528\u67d0\u4e2a\u6587\u4ef6\u65f6\uff0c\u7528\u6237\u5fc5\u987b\u5c06\u4e0a\u4f20\u81f3\u4e91\u670d\u52a1\u5668\u7684\u5bc6\u6587\u6570\u636e\u5206\u7ec4\u5168\u90e8\u4e0b\u8f7d\u4e0b\u6765\uff0c\u5728\u672c\u5730\u89e3\u5bc6\u540e\u624d\u80fd\u641c\u7d22\u51fa\u81ea\u5df1\u9700\u8981\u7684\u5185\u5bb9\u3002\u8fd9\u65e0\u7591\u6d6a\u8d39\u4e86\u4f20\u8f93\u5e26\u5bbd\u8d44\u6e90\uff0c\u4e14\u641c\u7d22\u6548\u7387\u6781\u4f4e\u3002\u4e3a\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u641c\u7d22\u52a0\u5bc6\u5e94\u8fd0\u800c\u751f\u3002<\/p>\n\n\n\n<p>Song \u7b49\u4eba\u63d0\u51fa<strong>\u53ef\u641c\u7d22\u52a0\u5bc6\uff08Searchable Encryption, SE\uff09<\/strong>\uff1a\u5c06\u5df2\u52a0\u5bc6\u6570\u636e\u6587\u4ef6\u5b58\u50a8\u5728\u4e00\u4e2a\u4e0d\u53ef\u4fe1\u670d\u52a1\u5668\u4e0a\uff0c\u5728\u5bf9\u6587\u4ef6\u8fdb\u884c\u68c0\u7d22\u65f6\uff0c\u5e0c\u671b\u53ea\u83b7\u5f97\u5305\u542b\u67d0\u4e2a\u7279\u5b9a\u5173\u952e\u5b57 w \u7684\u4e00\u90e8\u5206\u6587\u6863\u3002\u670d\u52a1\u5668\u53ef\u4ee5\u5728\u52a0\u5bc6\u6587\u4ef6\u4e0a\u8fdb\u884c\u67e5\u627e\u5e76\u53ea\u8fd4\u56de\u53ef\u80fd\u5305\u542b\u5173\u952e\u5b57 w \u7684\u6587\u6863\uff0c\u800c\u65e0\u6cd5\u83b7\u5f97\u9664\u6b64\u4e4b\u5916\u7684\u5176\u4ed6\u4fe1\u606f\u3002<\/p>\n\n\n\n<p>\u53ef\u641c\u7d22\u52a0\u5bc6\u4f5c\u4e3a\u4e00\u79cd\u65b0\u578b\u7684\u5bc6\u7801\u5b66\u539f\u8bed\uff0c\u4f7f\u5f97\u7528\u6237\u62e5\u6709\u5728\u5bc6\u6587\u57df\u4e0a\u8fdb\u884c\u5173\u952e\u8bcd\u641c\u7d22\u7684\u80fd\u529b\u3002\u5f53\u6570\u636e\u4ee5\u5bc6\u6587\u7684\u5f62\u5f0f\u5b58\u50a8\u5728\u4e91\u670d\u52a1\u5668\u4e0a\u65f6\uff0c\u5229\u7528\u4e91\u670d\u52a1\u5668\u7684\u5f3a\u5927\u8ba1\u7b97\u80fd\u529b\u8fdb\u884c\u5173\u952e\u8bcd\u7684\u68c0\u7d22\uff0c\u800c\u4e0d\u4f1a\u5411\u4e91\u670d\u52a1\u5668\u6cc4\u9732\u4efb\u4f55\u7528\u6237\u7684\u9690\u79c1\u3002\u8fd9\u4e0d\u4ec5\u4ec5\u4f7f\u7528\u6237\u7684\u9690\u79c1\u5f97\u5230\u4e86\u6709\u6548\u4fdd\u62a4\uff0c\u800c\u4e14\u68c0\u7d22\u6548\u7387\u4e5f\u5728\u4e91\u670d\u52a1\u5668\u7684\u5e2e\u52a9\u4e0b\u5f97\u5230\u4e86\u5927\u5e45\u5ea6\u63d0\u5347\u3002<\/p>\n\n\n\n<p>SE \u53ef\u5206\u4e3a\u4e24\u79cd\uff1a<strong>\u5bf9\u79f0\u53ef\u641c\u7d22\u52a0\u5bc6<\/strong>\uff08Symmetric Searchable Encryption, SSE\uff09\u548c<strong>\u975e\u5bf9\u79f0\u53ef\u641c\u7d22\u52a0\u5bc6<\/strong>\uff08Asymmetric Searchable Encryption, ASE\uff09<\/p>\n\n\n\n<p>SSE\u76f8\u6bd4\u4e8eASE\uff0c\u4f18\u52bf\u5728\u4e8e\u8ba1\u7b97\u5f00\u9500\u5c0f\u3001\u7b97\u6cd5\u7b80\u5355\u3001\u901f\u5ea6\u5feb\u3002\u901a\u5e38\u4f7f\u7528\u4e8e\u5355\u7528\u6237\u6a21\u578b\u4e2d\uff0c\u68c0\u7d22\u65b9\u548c\u6570\u636e\u62e5\u6709\u8005\u662f\u540c\u4e00\u4eba\u3002<\/p>\n\n\n\n<p>\u5728\u9759\u6001\u7684\u53ef\u641c\u7d22\u52a0\u5bc6\u7684\u57fa\u7840\u4e0a\uff0c\u4e3a\u4e86\u4fbf\u4e8e\u7528\u6237\u5bf9\u4e91\u670d\u52a1\u5668\u4e0a\u7684\u6570\u636e\u8fdb\u884c\u66f4\u65b0\uff0c\u5b66\u754c\u63d0\u51fa\u4e86<strong>\u52a8\u6001\u53ef\u641c\u7d22\u52a0\u5bc6<\/strong>\u6280\u672f\u3002\u52a8\u6001\u53ef\u641c\u7d22\u52a0\u5bc6\u4e0d\u4ec5\u652f\u6301\u7528\u6237\u5bf9\u5916\u5305\u7684\u5bc6\u6587\u6570\u636e\u5e93\u8fdb\u884c\u5173\u952e\u8bcd\u68c0\u7d22\uff0c\u800c\u4e14\u5141\u8bb8\u7528\u6237\u5bf9\u5bc6\u6587\u6570\u636e\u5e93\u8fdb\u884c\u63d2\u5165\u548c\u5220\u9664\u7684\u52a8\u6001\u66f4\u65b0\u64cd\u4f5c\u3002<\/p>\n\n\n\n<p style=\"font-size:30px\">\u4e8c\u3001\u4eca\u751f\uff1a\u52a8\u6001\u53ef\u641c\u7d22\u52a0\u5bc6<\/p>\n\n\n\n<p>\u52a8\u6001\u53ef\u641c\u7d22\u52a0\u5bc6\uff08Dynamic Symmetric Searchable Encryption, DSSE\uff09\u6307\u7528\u6237\u53ef\u4ee5\u52a8\u6001\u5730\u5bf9\u5b58\u50a8\u5728\u670d\u52a1\u5668\u4e0a\u7684\u5bc6\u6587\u6587\u6863\u8fdb\u884c\u66f4\u65b0\uff08update\uff09\u3002<\/p>\n\n\n\n<p>\u66f4\u65b0\u64cd\u4f5c\u5305\u62ec\u4e24\u79cd\uff1a\u6dfb\u52a0\uff08add\uff09\u3001\u5220\u9664\uff08delete\uff09\u3002\u5927\u591a\u65b9\u6848\u5728\u5b9e\u73b0\u5220\u9664\u65f6\uff0c\u5e76\u975e\u771f\u6b63\u4ece\u670d\u52a1\u5668\u79fb\u9664\uff0c\u53ea\u662f\u628a\u5220\u9664\u7684\u6587\u6863\u6dfb\u52a0\u5230\u5220\u9664\u5b9e\u4f8b\u4e2d\u3002<\/p>\n\n\n\n<p><strong>\u524d\u5411\u5b89\u5168\uff08Forward Privacy\uff09<\/strong><\/p>\n\n\n\n<p>\u524d\u5411\u5b89\u5168\u662f\u6307\u66f4\u65b0\u64cd\u4f5c\u4e0d\u4f1a\u6cc4\u9732\u4e4b\u524d\u7684\u67e5\u8be2\u7684\u4fe1\u606f\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u670d\u52a1\u5668\u4e0d\u77e5\u9053\u66f4\u65b0\u7684\u5173\u952e\u5b57\u662f\u5426\u5728\u4e4b\u524d\u88ab\u67e5\u8be2\u8fc7\u3002<\/p>\n\n\n\n<p>\u66f4\u65b0\u65f6\u6cc4\u9732\u7684\u4fe1\u606f\u53ea\u80fd\u4e25\u683c\u5305\u542b\u64cd\u4f5c\u7c7b\u578b\u3001\u6587\u4ef6\u6807\u8bc6\u7b26\u548c\u6587\u4ef6\u5927\u5c0f\uff0c\u800c\u6ca1\u6709\u4efb\u4f55\u5176\u4ed6\u7684\u4fe1\u606f\u3002<\/p>\n\n\n\n<p>\u5927\u90e8\u5206\u65b9\u6848\u90fd\u4f1a\u4e13\u6ce8\u4e8e\u524d\u5411\u5b89\u5168\uff0c\u76ee\u524d\u4e3a\u6b62\u4e0d\u6ee1\u8db3\u540e\u5411\u5b89\u5168\u7684\u65b9\u6848\u7684\u5b89\u5168\u9690\u60a3\u5e76\u4e0d\u660e\u663e\uff0c\u4f46\u4e0d\u6ee1\u8db3\u524d\u5411\u5b89\u5168\u7684\u9690\u60a3\u5219\u5f88\u5927\u3002<\/p>\n\n\n\n<p>\u8bba\u6587\u4e2d\u5f62\u5f0f\u5316\u5b9a\u4e49\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"936\" height=\"243\" src=\"http:\/\/43.142.23.155\/wp-content\/uploads\/2022\/02\/image-6.png\" alt=\"\" class=\"wp-image-963\" srcset=\"http:\/\/43.142.23.155\/wp-content\/uploads\/2022\/02\/image-6.png 936w, http:\/\/43.142.23.155\/wp-content\/uploads\/2022\/02\/image-6-300x78.png 300w, http:\/\/43.142.23.155\/wp-content\/uploads\/2022\/02\/image-6-768x199.png 768w, http:\/\/43.142.23.155\/wp-content\/uploads\/2022\/02\/image-6-670x174.png 670w\" sizes=\"auto, (max-width: 936px) 100vw, 936px\" \/><\/figure>\n\n\n\n<p><strong>\u540e\u5411\u5b89\u5168\uff08Backward Privacy\uff09<\/strong><\/p>\n\n\n\n<p>\u5982\u679c\u4e00\u4e2a\u6587\u4ef6\uff08w, ind\uff09\u5df2\u7ecf\u88ab\u5220\u9664\uff0c\u90a3\u4e48\u4e4b\u540e\u5728\u5173\u952e\u5b57 w \u4e0a\u8fdb\u884c\u7684\u641c\u7d22\u90fd\u4e0d\u80fd\u5305\u542b\u8fd9\u4e2a ind\u3002<\/p>\n\n\n\n<p>\u7b2c \u2160 \u7c7b\uff1a\u5141\u8bb8\u6cc4\u6f0f\u4e0e\u5f53\u524d\u67e5\u8be2\u5173\u952e\u8bcd w \u76f8\u5339\u914d\u7684\u6587\u4ef6\uff0c\u63d2\u5165\u5230\u6570\u636e\u5e93\u7684\u65f6\u95f4\u6233\uff0c\u4ee5\u53ca w \u7684\u603b\u66f4\u65b0\u6b21\u6570\u3002<\/p>\n\n\n\n<p>\u7b2c \u2161 \u7c7b\uff1a\u9664\u4e86\u7b2c \u2160 \u7c7b\u4e2d\u6cc4\u9732\u7684\u4fe1\u606f\u5916\uff0c\u8fd8\u4f1a\u6cc4\u9732\u5173\u4e8e\u5173\u952e\u8bcd w \u4e0a\u66f4\u65b0\u7684\u65f6\u95f4\u6233\u548c\u64cd\u4f5c\u7c7b\u578b\u3002<\/p>\n\n\n\n<p>\u7b2c \u2162 \u7c7b\uff1a\u4e0e\u7b2c \u2161 \u7c7b\u76f8\u6bd4\uff0c\u8fd8\u8fdb\u4e00\u6b65\u6cc4\u9732\u4e86\u5220\u9664\u64cd\u4f5c\u4e2d\u53d6\u6d88\u7684\u6dfb\u52a0\u64cd\u4f5c\u5185\u5bb9\u3002<\/p>\n\n\n\n<p>\u5f62\u5f0f\u5316\u5b9a\u4e49\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"928\" height=\"505\" src=\"http:\/\/43.142.23.155\/wp-content\/uploads\/2022\/02\/image-7.png\" alt=\"\" class=\"wp-image-964\" srcset=\"http:\/\/43.142.23.155\/wp-content\/uploads\/2022\/02\/image-7.png 928w, http:\/\/43.142.23.155\/wp-content\/uploads\/2022\/02\/image-7-300x163.png 300w, http:\/\/43.142.23.155\/wp-content\/uploads\/2022\/02\/image-7-768x418.png 768w, http:\/\/43.142.23.155\/wp-content\/uploads\/2022\/02\/image-7-670x365.png 670w\" sizes=\"auto, (max-width: 928px) 100vw, 928px\" \/><\/figure>\n\n\n\n<p><strong>\u9762\u4e34\u7684\u653b\u51fb <\/strong><\/p>\n\n\n\n<p>\u6587\u4ef6\u6ce8\u5165\u653b\u51fb\uff08File-Injection Attack\uff09<\/p>\n\n\n\n<p>\u6838\u5fc3\u601d\u60f3\u5728\u4e8e\uff0c\u5173\u8054\u7528\u6237\u8fc7\u53bb\u63d0\u4ea4\u7684\u641c\u7d22\u4ee4\u724c\u548c\u65b0\u63d0\u4ea4\u7684\u6587\u4ef6\uff0c\u4ee5\u6b64\u6062\u590d\u51fa\u7528\u6237\u63d0\u4ea4\u7684\u5173\u952e\u5b57\uff0c\u63a8\u6d4b\u6587\u6863\u5185\u5bb9\u3002\u62b5\u6297\u6587\u4ef6\u6ce8\u5165\u653b\u51fb\u7684\u5173\u952e\u5728\u4e8e\u4fdd\u8bc1DSSE\u7684\u524d\u5411\u5b89\u5168\u3002<\/p>\n\n\n\n<p>\u7edf\u8ba1\u63a8\u7406\u653b\u51fb\uff08Statistical Inference Attack\uff09<\/p>\n\n\n\n<p>\u901a\u8fc7\u7edf\u8ba1\u7528\u6237\u63d0\u4ea4\u7684\u641c\u7d22\u548c\u8bbf\u95ee\u64cd\u4f5c\uff0c\u4ee5\u53ca\u5176\u4ed6\u4fe1\u606f\u4e0e\u516c\u5f00\u6216\u5df2\u77e5\u7684\u6570\u636e\u5e93\u8fdb\u884c\u6bd4\u5bf9\uff0c\u4ece\u4e2d\u6062\u590d\u51fa\u4e00\u4e9b\u5173\u952e\u4fe1\u606f\uff0c\u5bf9\u65b9\u6848\u7684\u5b89\u5168\u6027\u8981\u6c42\u66f4\u9ad8\u3002\u56e0\u6b64\u9690\u85cf\u8fd4\u56de\u7ed3\u679c\u6210\u4e3a\u5173\u952e\uff0c\u8fd9\u6709\u4e24\u79cd\u5e38\u7528\u7684\u65b9\u6cd5\uff1a\u586b\u5145\u548c\u5206\u533a\u3002\u586b\u5145\u662f\u6307\u5bf9\u641c\u7d22\u7ed3\u679c\u8fdb\u884c\u586b\u5145\uff0c\u8ba9\u7ed3\u679c\u770b\u8d77\u6765\u4e00\u6837\u957f\uff1b\u5206\u533a\u5219\u662f\u628a\u6587\u6863\u6309\u7167\u5173\u952e\u5b57\u5206\u533a\uff0c\u6bcf\u6b21\u8fd4\u56de\u5bf9\u5e94\u5206\u533a\u7684\u7ed3\u679c\u3002<\/p>\n\n\n\n<p><strong>\u7a7f\u523a\u52a0\u5bc6<\/strong>  puncturable encryption, PE<\/p>\n\n\n\n<p>\u524d\u5411\u5b89\u5168\u516c\u94a5\u52a0\u5bc6 (forward secure public key encryption) \u7684\u4e00\u79cd\u53d8\u4f53\uff0c\u53ef\u4ee5\u652f\u6301\u5bf9\u5355\u4e2a\u6d88\u606f\u7684\u7ec6\u7c92\u5ea6\u64a4\u9500\u3002<\/p>\n\n\n\n<p>\u6838\u5fc3\u601d\u60f3\u5728\u4e8e\u4f7f\u7528\u6807\u8bb0(tag)\u3002\u6d88\u606f\u7528\u4e00\u7ec4tag\u52a0\u5bc6\uff0c\u7a7f\u523a\u7b97\u6cd5\u4f7f\u7528\u67d0\u4e2atag\u66f4\u65b0\u5bc6\u94a5\uff0c\u4f7f\u5f97\u65b0\u7684\u5bc6\u94a5\u80fd\u591f\u89e3\u5bc6\u6240\u6709\u4e0d\u5305\u542b\u8be5tag\u7684\u5bc6\u6587\u3002<\/p>\n\n\n\n<p>\u5f62\u5f0f\u5316\u7684\u5b9a\u4e49\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p>\u4e00\u4e2a\u5728\u6d88\u606f\u7a7a\u95f4M\u548c\u6807\u8bb0\u7a7a\u95f4T\u4e0a\u7684\u7a7f\u523a\u516c\u94a5\u52a0\u5bc6\u65b9\u6848\u662f\u4e00\u4e2a\u7b97\u6cd5\u56db\u5143\u7ec4(KeyGen, Encrypt, Puncture, Decrypt)\uff0c\u6bcf\u4e2a\u7b97\u6cd5\u5b9a\u4e49\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p>KeyGen(1^\u03bb): \u8f93\u5165\u5b89\u5168\u53c2\u6570\u03bb\uff0c\u8f93\u51fa\u516c\u94a5PK\u548c\u6700\u521d\u7684\u5bc6\u94a5\u3002<\/p>\n\n\n\n<p>Encrypt(PK, m, t): \u8f93\u5165\u516c\u94a5PK\u3001\u6d88\u606fm\u2208M\u548c\u6807\u8bb0t\u2208T\uff0c\u8f93\u51fa\u5bf9\u5e94\u7684\u5bc6\u6587CT\u3002<\/p>\n\n\n\n<p>Puncture(, t): \u8f93\u5165\u5bc6\u94a5\u548c\u6807\u8bb0t\uff0c\u8f93\u51fa\u4e00\u4e2a\u65b0\u7684\u5bc6\u94a5\uff0c\u5b83\u80fd\u591f\u89e3\u5bc6\u6240\u6709\u5bc6\u94a5\u80fd\u591f\u89e3\u5bc6\u7684\uff0c\u9664\u4e86\u90a3\u4e9b\u4f7f\u7528\u6807\u8bb0t\u52a0\u5bc6\u7684\u5bc6\u6587\u3002<\/p>\n\n\n\n<p>Decrypt(, CT, t): \u8f93\u5165\u5bc6\u94a5\uff0c\u5bc6\u6587CT\u548c\u6807\u8bb0t\uff0c\u89e3\u5bc6\u6210\u529f\u8f93\u51fa\u660e\u6587m\uff0c\u5426\u5219\u8f93\u51fa\u22a5\u3002<\/p>\n\n\n\n<p>\u6b63\u786e\u6027\uff1a\u5982\u679c\u4f7f\u7528\u6ca1\u6709\u88ab\u6807\u8bb0t\u7a7f\u523a\u7684\u5bc6\u94a5SK\u53bb\u89e3\u5bc6\u88abt\u52a0\u5bc6\u7684\u6d88\u606fm\uff0c\u5219\u4e00\u5b9a\u80fd\u591f\u8f93\u51fa\u660e\u6587m\u3002<\/p>\n\n\n\n<p style=\"font-size:30px\">\u4e09\u3001\u5176\u4ed6\u76f8\u5173\u6982\u5ff5<\/p>\n\n\n\n<p><strong>\u540c\u6001\u52a0\u5bc6 Homomorphic Encryption,HE<\/strong><\/p>\n\n\n\n<p>\u540c\u6001\u52a0\u5bc6\u662f\u5141\u8bb8\u670d\u52a1\u5668\u5728\u5bc6\u6587\u4e0a\u8fdb\u884c\u8ba1\u7b97\u7684\u6280\u672f\u3002\u7528\u6237\u628a\u52a0\u5bc6\u7684\u8f93\u5165\u63d0\u4ea4\u5230\u670d\u52a1\u5668\uff0c\u670d\u52a1\u5668\u76f4\u63a5\u5728\u5bc6\u6587\u4e0a\u8fdb\u884c\u8ba1\u7b97\u540e\u628a\u7ed3\u679c\u8fd4\u56de\u7ed9\u7528\u6237\uff0c\u7528\u6237\u89e3\u5bc6\u540e\u53ef\u4ee5\u5f97\u5230\u6b63\u786e\u7b54\u6848\u3002<\/p>\n\n\n\n<p><em>\u76f8\u5173\u7684\u8be6\u7ec6\u77e5\u8bc6\u3001\u5b9e\u73b0\u4e0e\u65b9\u6848\u63a2\u7a76\u5728\u6b64\uff1a<\/em><\/p>\n\n\n\n<p><a href=\"http:\/\/43.142.23.155\/2022\/02\/05\/%e5%90%8c%e6%80%81%e5%8a%a0%e5%af%86%e7%9a%84%e4%ba%ba%e8%84%b8%e8%af%86%e5%88%ab-%e5%ae%9e%e7%8e%b0%e6%8e%a2%e7%a9%b6\/\">http:\/\/43.142.23.155\/2022\/02\/05\/%e5%90%8c%e6%80%81%e5%8a%a0%e5%af%86%e7%9a%84%e4%ba%ba%e8%84%b8%e8%af%86%e5%88%ab-%e5%ae%9e%e7%8e%b0%e6%8e%a2%e7%a9%b6\/<\/a><\/p>\n\n\n\n<p><strong>\u4e0d\u7ecf\u610f\u4f20\u8f93<\/strong> <strong>Oblivious Transfer, OT<\/strong><\/p>\n\n\n\n<p>\u53d1\u9001\u8005\u6bcf\u6b21\u53d1\u9001\u4e24\u4e2a\u6216\u591a\u4e2a\u4fe1\u606f\uff0c\u63a5\u6536\u8005\u4ece\u4e2d\u9009\u62e9\u4e00\u4e2a\u8fdb\u884c\u63a5\u6536\u3002\u4fdd\u8bc1\u53d1\u9001\u8005\u65e0\u6cd5\u77e5\u9053\u63a5\u6536\u8005\u83b7\u5f97\u4e86\u4ec0\u4e48\u6d88\u606f\u3002<\/p>\n\n\n\n<p><strong>\u533f\u8e2a\u67e5\u8be2  Private Information Retrieval, PIR<\/strong><\/p>\n\n\n\n<p>\u67e5\u8be2\u65b9\u5728\u4e0d\u6cc4\u9732\u67e5\u8be2\u5bf9\u8c61\u5173\u952e\u8bcd\u7684\u60c5\u51b5\u4e0b\u63d0\u4ea4\u67e5\u8be2\uff0c\u670d\u52a1\u5668\u63d0\u4f9b\u4e0e\u5173\u952e\u8bcd\u5339\u914d\u7684\u67e5\u8be2\u7ed3\u679c\uff0c\u4f46\u65e0\u6cd5\u77e5\u9053\u7ed3\u679c\u5177\u4f53\u5bf9\u5e94\u54ea\u4e2a\u67e5\u8be2\u5bf9\u8c61\u3002\u4f7f\u7528\u4e0d\u5bf9\u79f0\u52a0\u5bc6\u3001\u4e0d\u7ecf\u610f\u4f20\u8f93\u7b49\u6280\u672f\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u5f85\u5b66\u4e60\u8865\u5145&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001\u524d\u4e16\uff1a\u4e91\u8ba1\u7b97\u65f6\u4ee3\u4e0b\u7684\u6570\u636e\u5b89\u5168 \u4e91\u8ba1\u7b97\u5f3a\u5927\u7684\u5f00\u653e\u6027\u548c\u5171\u4eab\u6027\u5728\u4e3a\u4eba\u4eec\u5e26\u6765\u4fbf\u5229\u7684\u540c\u65f6\uff0c\u4e91\u8ba1\u7b97\u7684\u5b89\u5168\u6027\u5374\u9762\u4e34\u7740\u975e\u5e38\u5927\u7684\u6311\u6218\uff0c\u7528\u6237\u5e0c\u671b\u80fd\u591f\u5c06\u6570\u636e\u4ea4\u7531\u4e91\u670d\u52a1\u5668\u5b58\u50a8\u548c\u7ba1\u7406\u7684\u540c\u65f6\u53c8\u4e0d\u5411\u4e91\u670d\u52a1\u5668\u6cc4\u9732\u4efb\u4f55\u4e0e\u6570\u636e\u76f8\u5173\u7684&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47,39,27],"tags":[53,52,21],"class_list":["post-952","post","type-post","status-publish","format-standard","hentry","category-47","category-39","category-27","tag-c","tag-52","tag-21"],"_links":{"self":[{"href":"http:\/\/43.142.23.155\/index.php?rest_route=\/wp\/v2\/posts\/952","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/43.142.23.155\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/43.142.23.155\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/43.142.23.155\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/43.142.23.155\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=952"}],"version-history":[{"count":15,"href":"http:\/\/43.142.23.155\/index.php?rest_route=\/wp\/v2\/posts\/952\/revisions"}],"predecessor-version":[{"id":970,"href":"http:\/\/43.142.23.155\/index.php?rest_route=\/wp\/v2\/posts\/952\/revisions\/970"}],"wp:attachment":[{"href":"http:\/\/43.142.23.155\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=952"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/43.142.23.155\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=952"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/43.142.23.155\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=952"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}