![\"\"](\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\")
<\/div><\/figure>\n\n\n\n
precision<\/h2>\n\n\n\n
precision\u7684\u4e2d\u6587\u662f\u7cbe\u5ea6\uff0c\u8fd9\u4e00\u70b9\u5f88\u91cd\u8981\u3002<\/p>\n\n\n\n
\u9644\u4ef6\u91cc\u662f\u4e00\u4e2a\u6253\u4e0d\u5f00\u7684\u6587\u4ef6\uff0c\u6ca1\u6709\u540e\u7f00\u540d\uff0c\u7528foremost\u53ef\u4ee5\u5206\u79bb\u51fa\u6765\u4e24\u4e2a\u6587\u4ef6\uff0c\u4e00\u4e2a\u662f\u4e0a\u9501\u4e86\u7684\u538b\u7f29\u5305\uff0c\u53e6\u4e00\u4e2a\u662f\u4e00\u4e2a\u6253\u4e0d\u5f00\u7684jpg\u56fe\u7247\u3002<\/p>\n\n\n\n
\u7528010editor\u6253\u5f00\u8fd9\u4e2a\u6253\u4e0d\u5f00\u7684jpg\u56fe\u7247\uff0c\u8fd0\u884cjpg\u6a21\u677f\uff0c\u7136\u540e\u67e5\u770b\u6a21\u677f\u8fd0\u884c\u7ed3\u679c\uff0c\u628a\u7cbe\u5ea6\u4ece16\u6539\u62108\u5373\u53ef\u770b\u5230\u6b63\u5e38\u7684\u56fe\u7247\uff1a<\/p>\n\n\n\n<\/div>
\u5982\u679cImage\u91cc\u9ed8\u8ba4\u6ca1\u6709JPG\u6a21\u677f\u53ef\u4ee5\u9009\u90a3\u4e2a\u6a21\u677f\u5b58\u50a8\u5e93\u627e\u5230JPG\u7136\u540e\u4e0b\u8f7d\u5c31\u6709\u4e86<\/figcaption><\/figure>\n\n\n\n<\/div><\/figure>\n\n\n\n
<\/div>
\u628a\u8fd9\u4e2a\u7cbe\u5ea6\u4e5f\u5c31\u662fprecision\u4ece16\u6539\u62108\uff0c\u56fe\u7247\u5c31\u6b63\u5e38\u4e86<\/figcaption><\/figure>\n\n\n\n\u7136\u540e\u6211\u4eec\u53ef\u4ee5\u6253\u5f00\u8fd9\u5f20\u56fe\u7247<\/p>\n\n\n\n<\/div><\/figure>\n\n\n\n
\u7136\u540e\u6211\u4eec\u53ef\u4ee5\u7528\u9690\u5f62\u6c34\u5370\u63d0\u53d6\u5de5\u5177\u4ece\u8fd9\u5f20\u56fe\u7247\u4e0a\u63d0\u53d6\u51fa\u90a3\u4e2a\u538b\u7f29\u5305\u7684\u5bc6\u7801<\/p>\n\n\n\n<\/div><\/figure>\n\n\n\n
d5fadf801bb5f7c2<\/code><\/pre>\n\n\n\n\u6253\u5f00\u538b\u7f29\u5305\u91cc\u662f\u4e00\u4e2abase.txt\uff0c\u91cc\u9762\u662f\u4e00\u5927\u5806base\u7f16\u7801\u8fc7\u7684\u6570\u636e<\/p>\n\n\n\n<\/div><\/figure>\n\n\n\n
\u4e00\u773cbase\u9690\u5199\uff0c\u4e0d\u77e5\u9053\u662f32\u7684\u8fd8\u662f64\u7684\uff0c\u90fd\u8bd5\u8bd5<\/p>\n\n\n\n
#base64\u9690\u5199\nimport base64\n\ntable = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+\/'\nfile = open(\"base.txt\")\nflag=''\ntmpbin=''\n\nfor line in file.readlines():\n line=line.strip('\\n')\n if(line[-1]=='='):\n if(line[-2]=='='):\n i=table.index(line[-3])\n b=bin(i)[2:]\n b=b.zfill(6)\n print(line)\n print(b)\n print(b[-4:]+'\\n')\n\n tmpbin+=b[-4:]\n else:\n i = table.index(line[-2])\n b = bin(i)[2:]\n b = b.zfill(6)\n print(line)\n print(b)\n print(b[-2:]+'\\n')\n\n tmpbin+=b[-2:]\n\nlength= len(tmpbin)\/8\nfor i in range(int(length)):\n flag+=chr(int(tmpbin[i*8:i*8+8],2))\n\nprint(flag)\n<\/code><\/pre>\n\n\n\n#base32\u9690\u5199\nimport base64\n\ntable='ABCDEFGHIJKLMNOPQRSTUVWXYZ234567'\nfile = open(\"base.txt\")\nflag=''\ntmpbin=''\n\nfor line in file.readlines():\n line=line.strip('\\n')\n if(line[-1]=='='):\n if(line[-3]=='='):\n if(line[-4]=='='):\n if (line[-6] == '='):\n i=table.index(line[-7])\n b = bin(i)[2:]\n b = b.zfill(5)\n tmpbin+=b[-2:]\n print(line)\n print(b)\n else:\n i = table.index(line[-5])\n b = bin(i)[2:]\n b = b.zfill(5)\n tmpbin += b[-4:]\n print(line)\n print(b)\n else:\n i = table.index(line[-4])\n b = bin(i)[2:]\n b = b.zfill(5)\n tmpbin += b[-1:]\n print(line)\n print(b)\n else:\n i = table.index(line[-2])\n b = bin(i)[2:]\n b = b.zfill(5)\n tmpbin += b[-3:]\n print(line)\n print(b)\n\nlength= len(tmpbin)\/8\nfor i in range(int(length)):\n flag+=chr(int(tmpbin[i*8:i*8+8],2))\n\nprint(tmpbin)\nprint(flag)<\/code><\/pre>\n\n\n\n\u7528base32\u9690\u5199\u811a\u672c\u8dd1\u51fa\u6765\u4e86\uff1a<\/p>\n\n\n\n<\/div><\/figure>\n\n\n\n
\u603b\u7ed3<\/h2>\n\n\n\n
\u867d\u7136\u6211\u505a\u7684\u5f88\u70c2\uff0c\u4f46\u6211\u89c9\u5f97\u6211\u4eec\u91cd\u90ae\u529e\u7684\u66f4\u70c2\u4e00\u70b9\ud83d\ude13<\/p>\n","protected":false},"excerpt":{"rendered":"
sunflower \u9644\u4ef6\u91cc\u662f\u4e00\u5f20\u5411\u65e5\u8475\u7684\u56fe\u7247 foremost\u53ef\u4ee5\u5206\u79bb\u51fa\u6765\u4e24\u5f20\u770b\u8d77\u6765\u4e00\u6a21\u4e00\u6837\u7684\u56fe\u7247\uff0c\u663e\u7136\u662f\u76f2\u6c34 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-491","post","type-post","status-publish","format-standard","hentry","category-wp"],"_links":{"self":[{"href":"https:\/\/fushuling.com\/index.php\/wp-json\/wp\/v2\/posts\/491","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fushuling.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fushuling.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fushuling.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fushuling.com\/index.php\/wp-json\/wp\/v2\/comments?post=491"}],"version-history":[{"count":2,"href":"https:\/\/fushuling.com\/index.php\/wp-json\/wp\/v2\/posts\/491\/revisions"}],"predecessor-version":[{"id":1740,"href":"https:\/\/fushuling.com\/index.php\/wp-json\/wp\/v2\/posts\/491\/revisions\/1740"}],"wp:attachment":[{"href":"https:\/\/fushuling.com\/index.php\/wp-json\/wp\/v2\/media?parent=491"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fushuling.com\/index.php\/wp-json\/wp\/v2\/categories?post=491"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fushuling.com\/index.php\/wp-json\/wp\/v2\/tags?post=491"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
![\"\"](\"https:\/\/fushuling-1309926051.cos.ap-shanghai.myqcloud.com\/2022\/12\/sunflower-1024x622.png\")
<\/div><\/figure>\n\n\n\n![\"\"](\"https:\/\/fushuling-1309926051.cos.ap-shanghai.myqcloud.com\/2022\/12\/1-1.png\")
<\/div><\/figure>\n\n\n\n![\"\"](\"https:\/\/fushuling-1309926051.cos.ap-shanghai.myqcloud.com\/2022\/12\/1.png\")
<\/div><\/figure>\n\n\n\n![\"\"](\"https:\/\/fushuling-1309926051.cos.ap-shanghai.myqcloud.com\/2022\/12\/flag-1024x622.png\")
<\/div><\/figure>\n\n\n\n![\"\"](\"https:\/\/fushuling-1309926051.cos.ap-shanghai.myqcloud.com\/2022\/12\/\u5c4f\u5e55\u622a\u56fe-2022-12-04-003817-1024x447.png\")
<\/div>![\"\"](\"https:\/\/fushuling-1309926051.cos.ap-shanghai.myqcloud.com\/2022\/12\/\u5c4f\u5e55\u622a\u56fe-2022-12-04-004028-1024x594.png\")
<\/div><\/figure>\n\n\n\n![\"\"](\"https:\/\/fushuling-1309926051.cos.ap-shanghai.myqcloud.com\/2022\/12\/3-1.png\")
<\/div>![\"\"](\"https:\/\/fushuling-1309926051.cos.ap-shanghai.myqcloud.com\/2022\/12\/00000000-\u526f\u672c.jpg\")
<\/div><\/figure>\n\n\n\n![\"\"](\"https:\/\/fushuling-1309926051.cos.ap-shanghai.myqcloud.com\/2022\/12\/1-2.png\")
<\/div><\/figure>\n\n\n\n![\"\"](\"https:\/\/fushuling-1309926051.cos.ap-shanghai.myqcloud.com\/2022\/12\/1-3-1024x567.png\")
<\/div><\/figure>\n\n\n\n![\"\"](\"https:\/\/fushuling-1309926051.cos.ap-shanghai.myqcloud.com\/2022\/12\/1-4.png\")
<\/div><\/figure>\n\n\n\n