{"id":118673,"date":"2024-02-07T11:15:00","date_gmt":"2024-02-07T02:15:00","guid":{"rendered":"https:\/\/softantenna.com\/blog\/?p=118673"},"modified":"2024-02-07T11:15:00","modified_gmt":"2024-02-07T02:15:00","slug":"breaking-bitlocker","status":"publish","type":"post","link":"https:\/\/softantenna.com\/blog\/breaking-bitlocker\/","title":{"rendered":"Windows\u306e\u30c7\u30a3\u30b9\u30af\u6697\u53f7\u5316\u309243\u79d2\u3067\u7a81\u7834\u3059\u308b\u52d5\u753b\u300cBreaking Bitlocker\u300d\u304c\u516c\u958b\u3002\u305f\u3060\u3061\u306b\u5f71\u97ff\u306f\u306a\u3044\u6a21\u69d8"},"content":{"rendered":"<p><img decoding=\"async\" style=\"display:block; margin-left:auto; margin-right:auto;\" src=\"https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2024\/02\/Breaking-Bitlocker-Bypassing-the-Windows-Disk-Encryption-0-2-screenshot.jpg\" alt=\"Breaking Bitlocker  Bypassing the Windows Disk Encryption 0 2 screenshot\" title=\"Breaking Bitlocker - Bypassing the Windows Disk Encryption 0-2 screenshot.jpg\" border=\"0\" width=\"1280\" height=\"720\" \/><\/p>\n<p>Windows 11 Pro\u306a\u3069\u3001Windows\u306e\u7279\u5b9a\u306e\u30a8\u30c7\u30a3\u30b7\u30e7\u30f3\u3067\u306f\u300c<a href=\"https:\/\/learn.microsoft.com\/ja-jp\/windows\/security\/operating-system-security\/data-protection\/bitlocker\/\">BitLocker<\/a>\u300d\u3068\u547c\u3070\u308c\u308b\u30c7\u30a3\u30b9\u30af\u6697\u53f7\u5316\u6a5f\u80fd\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u6697\u53f7\u5316\u3057\u305f\u30c7\u30a3\u30b9\u30af\u306f\u6697\u53f7\u3092\u89e3\u9664\u3057\u306a\u3044\u9650\u308a\u5185\u5bb9\u3092\u8aad\u307f\u53d6\u308b\u3053\u3068\u304c\u3067\u304d\u305a\u3001\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u7d1b\u5931\u3084\u76d7\u96e3\u306b\u5f79\u7acb\u3066\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>BitLocker\u3067\u306f\u901a\u5e38\u3001\u6697\u53f7\u5316\u306e\u305f\u3081\u306bAES(Advanced Encryption Standard)\u3092\u4f7f\u7528\u3057\u3001Windows 11\u306e\u8981\u4ef6\u3068\u3057\u3066\u8ffd\u52a0\u3055\u308c\u305f\u3053\u3068\u3067\u3082\u6709\u540d\u306b\u306a\u3063\u305fTPM(Trusted Platform Module)\u3068\u9023\u52d5\u3055\u305b\u3001\u3055\u3089\u306b\u4fdd\u8b77\u6a5f\u80fd\u3092\u5f37\u5316\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3057\u304b\u3057\u4eca\u56de\u3001\u3053\u306e\u5f37\u529b\u306aBitLocker\u306e\u6697\u53f7\u5316\u30ad\u30fc\u3092\u3092\u308f\u305a\u304b4\u30c9\u30eb\u306eRaspberry Pi Pico\u3092\u4f7f\u3063\u3066\u76d7\u307f\u51fa\u3059\u3053\u3068\u3092\u5b9f\u8a3c\u3057\u305f\u52d5\u753b\u300cBreaking Bitlocker\u300d\u304c\u516c\u958b\u3055\u308c\u8a71\u984c\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><iframe width=\"680\" height=\"383\" src=\"https:\/\/www.youtube.com\/embed\/wTl4vEednkQ\" frameborder=\"0\" allowfullscreen><\/iframe><\/p>\n<p>\u52d5\u753b\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u7814\u7a76\u8005\u306eStacksmashing\u6c0f\u304c\u4f5c\u6210\u3057\u305f\u3082\u306e\u3067\u3001\u30ce\u30fc\u30c8PC\u306e\u88cf\u84cb\u3092\u958b\u3051\u3066\u3001\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2TPM\u30c1\u30c3\u30d7\u306b\u88c5\u7f6e\u3092\u88c5\u7740\u3057\u3001\u6697\u53f7\u5316\u30ad\u30fc\u3092\u76d7\u307f\u51fa\u3057\u3066\u3044\u308b\u69d8\u5b50\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" style=\"display:block; margin-left:auto; margin-right:auto;\" src=\"https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2024\/02\/Breaking-Bitlocker-Bypassing-the-Windows-Disk-Encryption-6-25-screenshot.jpg\" alt=\"Breaking Bitlocker  Bypassing the Windows Disk Encryption 6 25 screenshot\" title=\"Breaking Bitlocker - Bypassing the Windows Disk Encryption 6-25 screenshot.jpg\" border=\"0\" width=\"1280\" height=\"720\" \/><\/p>\n<p>\u540c\u6c0f\u306f\u3001TPM\u30c1\u30c3\u30d7\u304b\u3089CPU\u306b\u9001\u3089\u308c\u308b\u5e73\u6587\u306eBitLocker\u306e\u30ad\u30fc\u3092\u76d7\u307f\u51fa\u3059\u3053\u3068\u306b\u6210\u529f\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001<a href=\"https:\/\/news.ycombinator.com\/item?id=39243305\">Hacker News<\/a>\u3067\u306f\u3001\u3053\u306e\u52d5\u753b\u306f\u76ee\u65b0\u3057\u3044\u3082\u306e\u3067\u306f\u306a\u3044\u3068\u306e\u6307\u6458\u3082\u884c\u308f\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<blockquote><p>\n\tNothing new. This attack is demonstrated here many times and the Microsoft docs discuss a similar attack using self encrypting drives. The counter measure is to use a virtual TPM built into the CPU or to use TPM+PIN (which is standard practice for security).\n<\/p><\/blockquote>\n<p><a href=\"https:\/\/learn.microsoft.com\/ja-jp\/windows\/security\/operating-system-security\/data-protection\/bitlocker\/countermeasures#attacker-with-skill-and-lengthy-physical-access\">Microsoft\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/a>\u3067\u3082\u3001BitLocker\u306b\u5bfe\u3059\u308b\u653b\u6483\u306b\u3064\u3044\u3066\u8ff0\u3079\u3089\u308c\u3066\u3044\u3066\u3001\u5bfe\u7b56\u3068\u3057\u3066\u306fCPU\u306b\u5185\u8535\u3055\u308c\u305f\u4eee\u60f3TPM\u3092\u4f7f\u7528\u3059\u308b\u304b\u3001TPM+PIN\uff08\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u305f\u3081\u306e\u6a19\u6e96\u7684\u306a\u65b9\u6cd5\uff09\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u304c\u3042\u308b\u3068\u306e\u3053\u3068\u3002<\/p>\n<p><img decoding=\"async\" style=\"display:block; margin-left:auto; margin-right:auto;\" src=\"https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2024\/02\/preboot-pin.jpg\" alt=\"Preboot pin\" title=\"preboot-pin.jpg\" border=\"0\" width=\"1280\" height=\"800\" \/><\/p>\n<p>\u30c7\u30d0\u30a4\u30b9\u306b\u7269\u7406\u7684\u306b\u30a2\u30af\u30bb\u30b9\u3055\u308c\u308b\u5371\u967a\u6027\u304c\u8003\u3048\u3089\u308c\u308b\u5834\u5408\u3001TPM\u3060\u3051\u3067\u306f\u306a\u304f\u3001(\u9762\u5012\u3067\u3059\u304c)PIN\u3092\u4f7f\u3063\u3066\u4fdd\u8b77\u3059\u308b\u3053\u3068\u3082\u691c\u8a0e\u3057\u305f\u307b\u3046\u304c\u3088\u3044\u306e\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Windows 11 Pro\u306a\u3069\u3001Windows\u306e\u7279\u5b9a\u306e\u30a8\u30c7\u30a3\u30b7\u30e7\u30f3\u3067\u306f\u300cBitLocker\u300d\u3068\u547c\u3070\u308c\u308b\u30c7\u30a3\u30b9\u30af\u6697\u53f7\u5316\u6a5f\u80fd\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u6697\u53f7\u5316\u3057\u305f\u30c7\u30a3\u30b9\u30af\u306f\u6697\u53f7\u3092\u89e3\u9664\u3057\u306a\u3044\u9650\u308a\u5185\u5bb9\u3092\u8aad\u307f\u53d6\u308b\u3053\u3068\u304c\u3067\u304d\u305a\u3001\u30cf\u30fc [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":118674,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[3],"tags":[4669,3298,2701,4387],"class_list":["post-118673","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-windows","tag-bitlocker","tag-windows","tag-windows10","tag-windows11"],"_links":{"self":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/118673","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/comments?post=118673"}],"version-history":[{"count":0,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/118673\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media\/118674"}],"wp:attachment":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media?parent=118673"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/categories?post=118673"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/tags?post=118673"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}