{"id":5208,"date":"2021-05-07T18:36:55","date_gmt":"2021-05-07T10:36:55","guid":{"rendered":"https:\/\/damogame.cn\/wordpress\/?p=5208"},"modified":"2021-05-07T18:36:55","modified_gmt":"2021-05-07T10:36:55","slug":"merkle%e6%a0%91","status":"publish","type":"post","link":"https:\/\/i007.cc\/wordpress\/archives\/5208","title":{"rendered":"Merkle\u6811"},"content":{"rendered":"

\u539f\u6587\u5730\u5740<\/a><\/p>\n

<\/div>\n
\n
\n

\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u3001P2P\u5e94\u7528\u4e2d\u6216\u8005\u662f\u533a\u5757\u94fe\u4e2d\uff0c\u4f1a\u7ecf\u5e38\u4f7f\u7528\u4e00\u79cd\u6570\u636e\u7ed3\u6784Merkle tree\uff08\u9ed8\u514b\u5c14\u6811\uff09\uff0c\u8fd9\u91cc\u6211\u4eec\u5c06\u8be6\u7ec6\u8ba8\u8bba\u4e00\u4e0b\u8fd9\u4e2a\u5e38\u7528\u6570\u636e\u7ed3\u6784\u3002<\/p>\n

Merkle tree<\/h3>\n

Merkle\u6811\u770b\u8d77\u6765\u975e\u5e38\u50cf\u4e8c\u53c9\u6811\uff0c\u5176\u53f6\u5b50\u8282\u70b9\u4e0a\u7684\u503c\u901a\u5e38\u4e3a\u6570\u636e\u5757\u7684\u54c8\u5e0c\u503c\uff0c\u800c\u975e\u53f6\u5b50\u8282\u70b9\u4e0a\u7684\u503c\uff0c\u6240\u4ee5\u6709\u65f6\u5019Merkle tree\u4e5f\u8868\u793a\u4e3aHash tree\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n

\"image\"<\/p>\n

\u5728\u6784\u9020Merkle\u6811\u65f6\uff0c\u9996\u5148\u8981\u5bf9\u6570\u636e\u5757\u8ba1\u7b97\u54c8\u5e0c\u503c\uff0c\u901a\u5e38\uff0c\u9009\u7528SHA-256\u7b49\u54c8\u5e0c\u7b97\u6cd5\u3002\u4f46\u5982\u679c\u4ec5\u4ec5\u9632\u6b62\u6570\u636e\u4e0d\u662f\u84c4\u610f\u7684\u635f\u574f\u6216\u7be1\u6539\uff0c\u53ef\u4ee5\u6539\u7528\u4e00\u4e9b\u5b89\u5168\u6027\u4f4e\u4f46\u6548\u7387\u9ad8\u7684\u6821\u9a8c\u548c\u7b97\u6cd5\uff0c\u5982CRC\u3002\u7136\u540e\u5c06\u6570\u636e\u5757\u8ba1\u7b97\u7684\u54c8\u5e0c\u503c\u4e24\u4e24\u914d\u5bf9\uff08\u5982\u679c\u662f\u5947\u6570\u4e2a\u6570\uff0c\u6700\u540e\u4e00\u4e2a\u81ea\u5df1\u4e0e\u81ea\u5df1\u914d\u5bf9\uff09\uff0c\u8ba1\u7b97\u4e0a\u4e00\u5c42\u54c8\u5e0c\uff0c\u518d\u91cd\u590d\u8fd9\u4e2a\u6b65\u9aa4\uff0c\u4e00\u76f4\u5230\u8ba1\u7b97\u51fa\u6839\u54c8\u5e0c\u503c\u3002<\/p>\n

Merkle\u6811\u5927\u591a\u7528\u6765\u8fdb\u884c\u5b8c\u6574\u6027\u9a8c\u8bc1\uff0c\u6bd4\u5982\u5206\u5e03\u5f0f\u73af\u5883\u4e0b\uff0c\u4ece\u591a\u53f0\u4e3b\u673a\u83b7\u53d6\u6570\u636e\uff0c\u600e\u4e48\u9a8c\u8bc1\u83b7\u53d6\u7684\u6570\u636e\u662f\u5426\u6b63\u786e\u5462\uff0c\u53ea\u8981\u9a8c\u8bc1Merkle\u6811\u6839\u54c8\u5e0c\u4e00\u81f4\uff0c\u5373\u53ef\u3002\u4f8b\u5982\uff0c\u4e0b\u56fe\u4e2dL3\u6570\u636e\u5757\u53d1\u751f\u9519\u8bef\uff08\u6bd4\u5982\u6570\u636e\u88ab\u4fee\u6539\u4e86\uff09\uff0c\u9519\u8bef\u4f1a\u4f20\u5bfc\u5230\u8ba1\u7b97hash(L3)<\/code>\uff0c\u63a5\u7740\u4f20\u5bfc\u5230\u8ba1\u7b97hash(Hash1-0+Hash1-1)<\/code>\uff0c\u6700\u540e\u4f20\u5bfc\u5230\u6839\u54c8\u5e0c\uff0c\u5bfc\u81f4\u6839\u54c8\u5e0c\u7684\u4e0d\u4e00\u81f4\uff0c\u53ef\u4ee5\u8bf4\uff0c\u4efb\u4f55\u5e95\u5c42\u6570\u636e\u5757\u7684\u53d8\u5316\uff0c\u6700\u7ec8\u90fd\u4f1a\u4f20\u5bfc\u5230\u6839\u54c8\u5e0c\u3002\u53e6\u5916\u5982\u679c\u6839\u54c8\u5e0c\u4e0d\u4e00\u81f4\uff0c\u4e5f\u53ef\u4ee5\u901a\u8fc7Merkle\u6811\u5feb\u901f\u5b9a\u4f4d\u5230\u5bfc\u81f4\u4e0d\u4e00\u81f4\u7684\u6570\u636e\u3002<\/p>\n

\"\"<\/p>\n

Merkle\u6811\u8fd8\u53ef\u4ee5\u7528\u6765\u5bf9\u6570\u636e\u8fdb\u884c\u5feb\u901f\u6bd4\u5bf9\uff0c\u5feb\u901f\u5b9a\u4f4d\u5230\u4e0d\u4e00\u81f4\u7684\u6570\u636e\u3002\u6bd4\u5982\u5206\u5e03\u5f0f\u5b58\u50a8\u4e2d\uff0c\u4e00\u4efd\u6570\u636e\u4f1a\u6709\u591a\u4e2a\u526f\u672c\uff0c\u5e76\u4e14\u5206\u5e03\u5728\u4e0d\u540c\u7684\u673a\u5668\u4e0a\u3002\u4e3a\u4e86\u4fdd\u6301\u6570\u636e\u4e00\u81f4\u6027\uff0c\u9700\u8981\u8fdb\u884c\u526f\u672c\u540c\u6b65\uff0c\u800c\u9996\u8981\u7684\u5c31\u662f\u6bd4\u5bf9\u5f53\u524d\u526f\u672c\u662f\u5426\u4e00\u81f4\uff0c\u5982\u4e00\u81f4\uff0c\u5219\u65e0\u9700\u540c\u6b65\uff0c\u5982\u4e0d\u4e00\u81f4\uff0c\u8fd8\u9700\u627e\u51fa\u4e0d\u4e00\u81f4\u7684\u5730\u65b9\uff0c\u7136\u540e\u8fdb\u884c\u540c\u6b65\u3002\u5f88\u660e\u663e\uff0c\u5982\u679c\u91c7\u7528\u76f4\u63a5\u4f20\u8f93\u6570\u636e\u8fdb\u884c\u6bd4\u5bf9\uff0c\u975e\u5e38\u4f4e\u6548\uff0c\u4e00\u822c\u91c7\u7528\u5bf9\u6570\u636e\u8fdb\u884c\u54c8\u5e0c\uff0c\u4f20\u8f93\u54c8\u5e0c\u503c\u8fdb\u884c\u5bf9\u6bd4\u7684\u65b9\u6cd5\u3002\u4e3a\u6b64\uff0c\u53ef\u4ee5\u5bf9\u6bcf\u53f0\u673a\u5668\u9700\u8981\u6bd4\u5bf9\u7684\u6570\u636e\u6784\u9020Merkle\u6811\uff0c\u5982\u679c\u6839\u54c8\u5e0c\u4e00\u81f4\uff0c\u5219\u6570\u636e\u76f8\u540c\uff0c\u5982\u679c\u6839\u54c8\u5e0c\u4e0d\u4e00\u81f4\uff0c\u5219\u901a\u8fc7Merkle\u6811\u5feb\u901f\u68c0\u7d22\u5230\u4e0d\u4e00\u81f4\u7684\u6570\u636e\u3002\u4e0b\u9762\u4e3e\u4f8b\u8bf4\u660e\u5feb\u901f\u68c0\u7d22\u7684\u8fc7\u7a0b\uff0c\u5982\u4e0a\u56fe\u84dd\u8272\u6807\u6ce8\u6240\u793a\u3002\u5047\u8bbe\u4e24\u53f0\u673a\u5668\u4e2dL3\u6570\u636e\u5757\u4e0d\u4e00\u81f4\uff0c\u6211\u4eec\u5bf9\u6bd4\u6839\u54c8\u5e0c\uff0c\u53d1\u73b0\u6839\u54c8\u5e0c\u4e0d\u4e00\u81f4\uff0c\u5373\uff0c\u6570\u636e\u4e0d\u4e00\u81f4\uff0c\u6b64\u65f6\u9700\u8981\u627e\u51fa\u662f\u90a3\u4e00\u5757\u4e0d\u4e00\u81f4\uff0c\u5206\u522b\u5bf9\u6bd4Hash0<\/code>\u548cHash1<\/code>\uff0c\u53d1\u73b0\u662fHash1<\/code>\u4e0d\u4e00\u81f4\uff0c\u63a5\u7740\u5411\u4e0b\u53d1\u73b0\u662fHash1-0<\/code>\u4e0d\u4e00\u81f4\uff0c\u8fd9\u6837\u5c31\u5b9a\u4f4d\u5230\u662fL3\u6570\u636e\u5757\u4e0d\u4e00\u81f4\u3002\u5b9a\u4f4d\u8fc7\u7a0b\u7684\u7b97\u6cd5\u590d\u6742\u5ea6\u4e3aO(log(n))<\/code>\u3002<\/p>\n

\u8fd8\u6709\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u53ef\u4ee5\u770b\u505a\u662fMerkle\u6811\u7684\u5b50\u6811\uff0c\u4f46\u53c8\u4e0d\u5b8c\u5168\u4e00\u6837\uff0c\u8fd9\u4e2a\u6570\u636e\u7ed3\u6784\u662fHash list\uff08\u4e3a\u4e86\u907f\u514d\u4e2d\u6587\u54c8\u5e0c\u5217\u8868\u4e0e\u54c8\u5e0c\u8868\u7684\u8bef\u89e3\uff0c\u8fd9\u91cc\u4f7f\u7528\u82f1\u6587\u540d\u79f0\uff09\uff0c\u6211\u4eec\u4e0b\u9762\u770b\u4e00\u4e0b\u8fd9\u4e2aHash list\u3002<\/p>\n

Hash list<\/h3>\n

\u5728\u70b9\u5bf9\u70b9\u7f51\u7edc\u4e2d\u6570\u636e\u4f20\u8f93\u7684\u65f6\u5019\uff0c\u4e3a\u4e86\u63d0\u9ad8\u6548\u7387\u5f80\u5f80\u4f1a\u540c\u65f6\u4ece\u591a\u4e2a\u673a\u5668\u4e0b\u8f7d\u6570\u636e\u7684\u4e0d\u540c\u90e8\u5206\uff0c\u5373\uff0c\u4e0d\u662f\u4ece\u4e00\u53f0\u673a\u5668\u4e0b\u8f7d\u6574\u4e2a\u6570\u636e\uff0c\u800c\u662f\u5c06\u5b8c\u6574\u6570\u636e\u5206\u6210\u4e0d\u540c\u7684\u90e8\u5206\uff0c\u5206\u522b\u540c\u65f6\u4ece\u4e0d\u540c\u7684\u673a\u5668\u83b7\u53d6\u5b8c\u6574\u6570\u636e\u7684\u4e0d\u540c\u7ec4\u6210\u90e8\u5206\u3002\u8fd9\u6837\u5206\u5757\u4f20\u8f93\u4e0d\u4f46\u53ef\u4ee5\u540c\u65f6\u4ece\u591a\u53f0\u673a\u5668\u4e0b\u8f7d\u6570\u636e\uff0c\u53e6\u4e00\u4e2a\u597d\u5904\u662f\u5982\u679c\u8fd9\u4e00\u5c0f\u5757\u6570\u636e\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u635f\u574f\u4e86\uff0c\u53ea\u8981\u91cd\u65b0\u4e0b\u8f7d\u8fd9\u4e00\u5c0f\u6570\u636e\u5757\u5c31\u53ef\u4ee5\u4e86\uff0c\u4e0d\u7528\u91cd\u65b0\u4e0b\u8f7d\u6574\u4e2a\u6570\u636e\u3002<\/p>\n

\u4f46\u8fd9\u79cd\u5206\u5e03\u5f0f\u73af\u5883\u4e0b\uff0c\u5f88\u591a\u673a\u5668\u5e94\u8be5\u8ba4\u4e3a\u662f\u4e0d\u7a33\u5b9a\u6216\u8005\u4e0d\u53ef\u4fe1\u7684\uff0c\u5982\u4f55\u6821\u9a8c\u6574\u4e2a\u6570\u636e\u7684\u5b8c\u6574\u6027\u53ca\u6bcf\u4e00\u5c0f\u6570\u636e\u5757\u7684\u5b8c\u6574\u6027\u5462\uff1f<\/p>\n

\"image\"<\/p>\n

\u4e3a\u4e86\u6821\u9a8c\u6bcf\u4e00\u4e2a\u6570\u636e\u5757\uff0c\u6211\u4eec\u9700\u8981\u5bf9\u6bcf\u4e2a\u6570\u636e\u5757\u505a\u54c8\u5e0c\uff0c\u5f62\u6210\u4e00\u4e2a\u54c8\u5e0c\u5217\u8868\uff0c\u8fd9\u6837\u8fdb\u884c\u4e0b\u8f7d\u524d\uff0c\u6211\u4eec\u5148\u8981\u83b7\u53d6\u4e00\u4e2a\u54c8\u5e0c\u5217\u8868\uff0c\u4e0b\u8f7d\u540e\uff0c\u6211\u4eec\u5c31\u80fd\u591f\u901a\u8fc7\u54c8\u5e0c\u5217\u8868\uff0c\u6765\u9a8c\u8bc1\u6bcf\u4e00\u4e2a\u6570\u636e\u5757\u3002\u54ea\u600e\u4e48\u4fdd\u8bc1\u8fd9\u4e2a\u54c8\u5e0c\u5217\u8868\u662f\u6b63\u786e\u7684\u5462\uff0c\u6216\u8005\u8bf4\u600e\u4e48\u6821\u9a8c\u5b8c\u6574\u6570\u636e\u5462\uff1f\u53ea\u8981\u6bcf\u4e00\u4e2a\u6570\u636e\u5757\u54c8\u5e0c\u662f\u6b63\u786e\u7684\uff0c\u6700\u7ec8\u83b7\u53d6\u7684\u5b8c\u6574\u6570\u636e\u5c31\u4e00\u5b9a\u662f\u6b63\u786e\u7684\uff0c\u6240\u4ee5\uff0c\u6211\u4eec\u9700\u8981\u5bf9\u54c8\u5e0c\u5217\u8868\u8fdb\u884c\u54c8\u5e0c\u5f97\u5230\u6839\u54c8\u5e0c\uff0c\u5c06\u6b64\u6839\u54c8\u5e0c\u653e\u5230\u4e00\u4e2a\u53ef\u4fe1\u6e90\u4e2d\uff0c\u5728\u4e0b\u8f7d\u6570\u636e\u524d\uff0c\u5148\u4ece\u53ef\u4fe1\u6570\u636e\u6e90\u54ea\u91cc\u83b7\u53d6\u5230\u6570\u636e\u7684\u8ddf\u54c8\u5e0c\uff0c\u7136\u540e\u4ece\u4efb\u610f\u673a\u5668\u83b7\u53d6\u54c8\u5e0c\u5217\u8868\uff0c\u518d\u4e0b\u8f7d\u6570\u636e\u5757\u3002\u8fd9\u6837\uff0c\u6570\u636e\u5b8c\u6574\u6027\u53ef\u4ee5\u901a\u8fc7\u6839\u54c8\u5e0c\u6765\u4fdd\u8bc1\u3002<\/p>\n

Merkle tree \u5bf9\u6bd4 Hash list<\/h3>\n

\u4e24\u79cd\u6570\u636e\u7ed3\u6784\u90fd\u6709\u9a8c\u8bc1\u6570\u636e\u5b8c\u6574\u6027\u7684\u529f\u80fd\uff0c\u90fd\u53ef\u4ee5\u901a\u8fc7\u6839\u54c8\u5e0c\u4fdd\u8bc1\u6574\u4f53\u6570\u636e\u5b8c\u6574\u6027\u3002\u6240\u4e0d\u540c\u7684\u662f\uff0c\u5728\u6570\u636e\u5e9e\u5927\uff0c\u6570\u636e\u5757\u975e\u5e38\u591a\u7684\u60c5\u51b5\u4e0b\uff0c\u5f53\u6839\u54c8\u5e0c\u68c0\u6d4b\u5230\u6570\u636e\u4e0d\u4e00\u81f4\u65f6\uff0cMerkle tree\u53ef\u4ee5\u5feb\u901f\u7684\u5b9a\u4f4d\u5230\u5bfc\u81f4\u4e0d\u4e00\u81f4\u7684\u6570\u636e\u5757\uff0c\u590d\u6742\u5ea6\u4e3aO(log(n))<\/code>\uff0c\u800cHash list\u53ea\u80fd\u904d\u5386\u5e9e\u5927\u7684\u54c8\u5e0c\u5217\u8868\u5b9a\u4f4d\u5230\u5bfc\u81f4\u4e0d\u4e00\u81f4\u7684\u6570\u636e\u5757\uff0c\u590d\u6742\u5ea6\u4e3aO(n)<\/code>\uff0c\u5f88\u663e\u7136\uff0c\u6b64\u65f6Merkle tree\u7684\u6548\u7387\u8981\u9ad8\u5f88\u591a\u3002<\/p>\n

\u53c2\u8003\u6587\u6863\uff1aHash list<\/a><\/p><\/blockquote>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

\u539f\u6587\u5730\u5740 \u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u3001P2P\u5e94\u7528\u4e2d\u6216\u8005<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[],"tags":[119],"class_list":["post-5208","post","type-post","status-publish","format-standard","hentry","tag-03-"],"_links":{"self":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/5208","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/comments?post=5208"}],"version-history":[{"count":0,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/5208\/revisions"}],"wp:attachment":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/media?parent=5208"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/categories?post=5208"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/tags?post=5208"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}