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class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"326\" src=\"https:\/\/www.inforsec.org\/wp\/wp-content\/uploads\/2022\/10\/2-1-1024x326.png\" alt=\"\" class=\"wp-image-5512\" srcset=\"http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2022\/10\/2-1-1024x326.png 1024w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2022\/10\/2-1-300x96.png 300w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2022\/10\/2-1-768x245.png 768w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2022\/10\/2-1-150x48.png 150w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2022\/10\/2-1-250x80.png 250w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2022\/10\/2-1.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"text-align:center\"><strong>\u56fe2&nbsp;<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u65e6Jane\u6536\u96c6\u4e86\u6709\u5173CoreText\u6b63\u786e\u4f7f\u7528\u7684\u77e5\u8bc6\uff0c\u4e0b\u4e00\u6b65\u5c31\u662f\u4f7f\u7528\u8fd9\u4e9b\u77e5\u8bc6\u6765\u6784\u5efa\u6a21\u7cca\u6d4b\u8bd5\u9a71\u52a8\u3002\u57fa\u4e8e\u6d88\u8d39\u8005\u5e94\u7528\u7a0b\u5e8f\u751f\u6210\u7684\u6f5c\u5728\u6a21\u7cca\u6d4b\u8bd5\u9a71\u52a8\u5957\u4ef6\uff08\u5e26\u6709\u865a\u7ebf\u8fb9\u6846\u7684\u77e9\u5f62\uff09\uff0c\u5982\u56fe3\u6240\u793a\u3002\u6bcf\u4e2a\u5706\u5708\u4ee3\u8868\u56fe\u4e2d\u7684\u4e00\u4e2a\u51fd\u6570\u3002\u6bcf\u4e2a\u5706\u5708\u94fe\u4ee3\u8868\u4e00\u4e2a\u6a21\u7cca\u6d4b\u8bd5\u9a71\u52a8\uff08\u7531\u51fd\u6570\u8c03\u7528\u7ec4\u6210\uff09\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"411\" src=\"https:\/\/www.inforsec.org\/wp\/wp-content\/uploads\/2022\/10\/3-1024x411.png\" alt=\"\" class=\"wp-image-5513\" srcset=\"http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2022\/10\/3-1024x411.png 1024w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2022\/10\/3-300x120.png 300w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2022\/10\/3-768x308.png 768w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2022\/10\/3-150x60.png 150w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2022\/10\/3-250x100.png 250w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2022\/10\/3.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"text-align:center\"><strong>\u56fe3<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u81ea\u7136\u5730\uff0c\u4ece\u6267\u884c\u8f68\u8ff9\u4e2d\u5206\u5272\u7684\u4e24\u4e2a\u6d88\u8d39\u8005\u5e94\u7528\u7a0b\u5e8f\u53ef\u4ee5\u7528\u4f5c\u6a21\u7cca\u6d4b\u8bd5\u9a71\u52a8\uff0c\u5982\u56fe3\uff08a\uff09\u6240\u793a\u3002\u7136\u800c\uff0cJane\u5f88\u5feb\u6ce8\u610f\u5230\uff0c\u7531\u4e8e\u8986\u76d6\u7684\u7a0b\u5e8f\u884c\u4e3a\u7f3a\u4e4f\u591a\u6837\u6027\uff0c\u76f4\u63a5\u5206\u5272\u7684\u6a21\u7cca\u6d4b\u8bd5\u9a71\u52a8\u5e76\u4e0d\u7406\u60f3\u3002\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u51fd\u6570ExtractFont\u4f5c\u4e3a\u8fde\u63a5Font\u5b58\u6839\u7684\u521b\u5efa\u53ca\u5176\u4f7f\u7528\u7684\u652f\u70b9\u3002\u5177\u4f53\u6765\u8bf4\uff0cCalcLeadingSpace 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class=\"wp-block-paragraph\">\u25a0&nbsp;\u90e8\u5206API\u51fd\u6570\u7ec4\u5408\u4ecd\u7136\u7f3a\u5931\u3002\u4f8b\u5982\uff0cDoubleLeadingSpace\u548cCalcLeadingSpace\u90fd\u4f7f\u7528ExtractFont\u7684\u7ed3\u679c\u3002\u5b83\u4eec\u53ef\u4ee5\u7ec4\u5408\u6210\u4e00\u4e2a\u6a21\u7cca\u6d4b\u8bd5\u9a71\u52a8\u5e76\u89e6\u53d1\u66f4\u591a\u7a0b\u5e8f\u884c\u4e3a\uff0c\u800c\u4e0d\u662f\u76f8\u4e92\u66ff\u6362\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5982\u679c\u5148\u6267\u884cDoubleLeadingSpace\uff0cCalcLeadingSpace\u53ef\u80fd\u4f1a\u9047\u5230\u6574\u6570\u6ea2\u51fa\u9519\u8bef\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u25a0&nbsp;\u6709\u4e9b\u7ec4\u5408\u662f\u591a\u4f59\u7684\u3002\u4f8b\u5982\uff0c\u56fe3\uff08b\uff09\u4e2d\u5f15\u5165\u7684\u4e24\u4e2a\u65b0\u7ec4\u5408\u5e76\u6ca1\u6709\u771f\u6b63\u89e6\u53d1\u66f4\u591a\u7684\u7a0b\u5e8f\u884c\u4e3a\u3002\u539f\u56e0\u5728\u4e8e\uff0c\u7a0b\u5e8f\u4f7f\u7528Font\u5bf9\u8c61\u7684\u65b9\u5f0f\u901a\u5e38\u4e0d\u53d7\u5176\u751f\u6210\u65b9\u5f0f\u7684\u5f71\u54cd\uff0c\u8c03\u7528CreateFontDescriptor\u6216ProviderCreateWithData\u5c06\u6700\u7ec8\u751f\u6210\u76f8\u540c\u7684Font\u5bf9\u8c61\u3002\u603b\u4e4b\uff0c\u901a\u8fc7\u4ea4\u53c9\u6784\u5efa\u7684\u6a21\u7cca\u6d4b\u8bd5\u9a71\u52a8\u5957\u4ef6\u7f3a\u4e4f\u591a\u6837\u6027\u548c\u7d27\u51d1\u6027\u3002\u4f46\u662f\uff0c\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u8fd9\u4e24\u4e2a\u6240\u671f\u671b\u7684\u5c5e\u6027\u662f\u72ec\u7acb\u7684\uff0c\u5e76\u4e14\u53ef\u80fd\u4f1a\u76f8\u4e92\u51b2\u7a81\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\uff0c\u8981\u6784\u5efa\u4e00\u7ec4\u7b26\u5408\u671f\u671b\u7684\u6a21\u7cca\u6d4b\u8bd5\u9a71\u52a8\uff0c\u5c31\u9700\u8981\u5e73\u8861\u4e0d\u540c\u7684\u76ee\u6807\uff08\u5982\u7d27\u51d1\u6027\u548c\u591a\u6837\u6027\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u73b0\u5728\uff0cJane\u610f\u8bc6\u5230\u4ece\u6267\u884c\u8f68\u8ff9\u4e2d\u660e\u786e\u63d0\u53d6\u7684\u6a21\u7cca\u6d4b\u8bd5\u9a71\u52a8\u9700\u8981\u6539\u8fdb\uff0c\u5e76\u4e14\u5728\u63d0\u9ad8\u6a21\u7cca\u6d4b\u8bd5\u9a71\u52a8\u7684\u8d28\u91cf\u65b9\u9762\u5b58\u5728\u4e00\u4e9b\u9677\u9631\u3002\u5979\u4e5f\u8bb8\u53ef\u4ee5\u5c06\u6240\u6709\u5206\u5272\u7684\u6a21\u7cca\u6d4b\u8bd5\u9a71\u52a8\u5206\u89e3\u4e3a\u51fd\u6570\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\uff0c\u7136\u540e\u5c06\u8fd9\u4e9b\u4f9d\u8d56\u5173\u7cfb\u7ec4\u5408\u8d77\u6765\u4ee5\u91cd\u5efa\u53ef\u4ee5\u5b9e\u73b0\u591a\u4e2a\u72ec\u7acb\u76ee\u6807\u7684\u65b0\u6a21\u7cca\u6d4b\u8bd5\u9a71\u52a8\u3002\u7ecf\u8fc7\u4e00\u4e9b\u63a8\u7406\u548c\u53cd\u590d\u8bd5\u9a8c\uff0cJane\u6700\u7ec8\u610f\u8bc6\u5230\u4f7f\u7528\u6d88\u8d39\u8005\u5e94\u7528\u7a0b\u5e8f\u751f\u6210\uff0c\u7b26\u5408\u671f\u671b\u7684\u6a21\u7cca\u6d4b\u8bd5\u9a71\u52a8\u5e94\u8be5\u5982\u56fe3\uff08c\uff09\u6240\u793a\uff0c\u56e0\u4e3a\u8fd9\u4e9b\u6a21\u7cca\u6d4b\u8bd5\u9a71\u52a8\u5f88\u7d27\u51d1\uff0c\u4f46\u53ef\u4ee5\u89e6\u53d1\u6700\u591a\u6837\u5316\u7684\u7a0b\u5e8f\u884c\u4e3a\u3002\u8fd9\u6807\u5fd7\u7740\u6574\u4e2a\u8fc7\u7a0b\u7684\u7ed3\u675f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e8b\u5b9e\u4e0a\uff0c\u5728APICRAFT\u4e2d\uff0c\u6211\u4eec\u7cfb\u7edf\u5730\u5c06\u6574\u4e2a\u63a8\u7406\u548c\u8fd9\u4e2a\u6545\u4e8b\u7684\u8bd5\u9519\u8fc7\u7a0b\u63cf\u8ff0\u4e3a\u7b97\u6cd5\uff0c\u5e76\u4e14\u53ef\u4ee5\u81ea\u52a8\u751f\u6210\u56fe3\uff08c\uff09\u6240\u793a\u7684\uff0c\u7b26\u5408\u671f\u671b\u7684\u6a21\u7cca\u6d4b\u8bd5\u9a71\u52a8\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2\uff0e\u6982\u8ff0<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u63d0\u51fa\u4e86\u7528\u4e8e\u4e3a\u5546\u4e1aSDK\u5e93\u81ea\u52a8\u751f\u6210\u6a21\u7cca\u6d4b\u8bd5\u9a71\u52a8\u5957\u4ef6APICRAFT\u3002APICRAFT\u7684\u5de5\u4f5c\u6d41\u7a0b\u5982\u56fe4\u6240\u793a\uff0c\u5305\u542b3\u4e2a\u4e3b\u8981\u9636\u6bb5\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"349\" src=\"https:\/\/www.inforsec.org\/wp\/wp-content\/uploads\/2022\/10\/4-1024x349.png\" alt=\"\" class=\"wp-image-5514\" srcset=\"http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2022\/10\/4-1024x349.png 1024w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2022\/10\/4-300x102.png 300w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2022\/10\/4-768x262.png 768w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2022\/10\/4-150x51.png 150w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2022\/10\/4-250x85.png 250w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2022\/10\/4.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"text-align:center\"><strong>\u56fe4<\/strong><br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uff081\uff09&nbsp;\u5728\u9884\u5904\u7406\u9636\u6bb5\uff0cAPICRAFT\u901a\u8fc7\u591a\u79cd\u5206\u6790\uff08\u5373\u5934\u6587\u4ef6\u5206\u6790\u3001\u9759\u6001\u4e8c\u8fdb\u5236\u5206\u6790\u548c\u52a8\u6001\u4e8c\u8fdb\u5236\u5206\u6790\uff09\u4ece\u591a\u4e2a\u6765\u6e90\u63d0\u53d6\u76ee\u6807SDK\u7684\u4fe1\u606f\u5e76\u8fdb\u884c\u5206\u7ec4\u3002\u5b83\u8f93\u51fa\u4e00\u7ec4\u5e93\u7684\u5143\u6570\u636e\u548c\u6d88\u8d39\u8005\u7a0b\u5e8f\u7684\u6267\u884c\u8f68\u8ff9\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uff082\uff09 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class=\"wp-block-paragraph\"><em>\uff08\u672c\u6587\u9009\u53d6\u4e86\u6587\u7ae0\u90e8\u5206\u7ae0\u8282\uff0c\u66f4\u591a\u7cbe\u5f69\u5185\u5bb9\u8bf7\u9605\u8bfb\u300a\u7f51\u7edc\u5b89\u5168\u56fd\u9645\u5b66\u672f\u7814\u7a76\u8fdb\u5c55\u300b\u4e00\u4e66\u3002\uff09<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4f5c\u8005\u7b80\u4ecb<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f20\u5c91\uff0c\u5357\u6d0b\u7406\u5de5\u5927\u5b66\u535a\u58eb\u7814\u7a76\u751f\uff0c\u4ed6\u7684\u4e3b\u8981\u7814\u7a76\u65b9\u5411\u5305\u62ec\u865a\u62df\u5316\u5b89\u5168\u548c\u6a21\u7cca\u6d4b\u8bd5\u3002\u4ed6\u5728\u5305\u62ecUSENIX Security\u3001ACM CCS\u3001ASE\u7b49\u9876\u7ea7\u671f\u520a\u53d1\u8868\u8fc7\u76f8\u5173\u8bba\u6587\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6797\u6027\u4f1f\uff0c\u8682\u8681\u5b89\u5168\u5149\u5e74\u5b9e\u9a8c\u5ba4\u5b89\u5168\u7814\u7a76\u5458\uff0c\u4ed6\u7684\u7814\u7a76\u9886\u57df\u5305\u62ec\u865a\u62df\u5316\u5b89\u5168\u3001macOS&amp;Windows\u7cfb\u7edf\u5b89\u5168\u3001\u7a0b\u5e8f\u5206\u6790\u548cFuzzing\u3002\u4ed6\u66fe\u5728\u5b66\u672f\u754c\u4ee5\u53ca\u5de5\u4e1a\u754c\u9876\u7ea7\u5b89\u5168\u4f1a\u8bae\u4e0a\u53d1\u8868\u8bba\u6587\u4e0e\u6f14\u8bb2\uff0c\u5305\u62ecACM CCS\u3001USENIX Security\u548cBlackHat Asia\u3002\u4ed6\u83b7\u5f97\u8fc7\u6765\u81ea\u82f9\u679c\u3001QEMU\u3001\u5fae\u8f6f\u548cOracle\u7b49\u5382\u5546\u7684\u81f4\u8c22\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>\u7248\u6743\u58f0\u660e\uff1a\u672c\u4e66\u7531\u7f51\u7edc\u5b89\u5168\u7814\u7a76\u56fd\u9645\u5b66\u672f\u8bba\u575b\uff08InForSec\uff09\u6c47\u7f16\uff0c\u4eba\u6c11\u90ae\u7535\u51fa\u7248\u793e\u51fa\u7248\uff0c\u7248\u6743\u5c5e\u4e8e\u53cc\u65b9\u5171\u6709\uff0c\u5e76\u53d7\u6cd5\u5f8b\u4fdd\u62a4\u3002\u8f6c\u8f7d\u3001\u6458\u7f16\u6216\u5229\u7528\u5176\u5b83\u65b9\u5f0f\u4f7f\u7528\u672c\u7814\u7a76\u62a5\u544a\u6587\u5b57\u6216\u8005\u89c2\u70b9\u7684\uff0c\u5e94\u6ce8\u660e\u6765\u6e90\u3002<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7f16\u8005\u6309\uff1a2022\u5e745\u6708\uff0c\u7531\u7f51\u7edc\u5b89\u5168\u7814\u7a76\u56fd\u9645\u5b66\u672f\u8bba\u575b\uff08InForSec\uff09\u6c47\u7f16\u7684\u300a\u7f51\u7edc\u5b89\u5168\u56fd\u9645\u5b66\u672f\u7814\u7a76\u8fdb&#8230; <a class=\"continue-reading-link\" href=\"http:\/\/202.112.238.40\/wp\/?p=5509\"> Continue reading <span class=\"meta-nav\">&rarr; <\/span><\/a><\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-5509","post","type-post","status-publish","format-standard","hentry","category-research"],"_links":{"self":[{"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=\/wp\/v2\/posts\/5509","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5509"}],"version-history":[{"count":1,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=\/wp\/v2\/posts\/5509\/revisions"}],"predecessor-version":[{"id":5515,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=\/wp\/v2\/posts\/5509\/revisions\/5515"}],"wp:attachment":[{"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5509"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5509"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5509"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}