{"id":112,"date":"2025-08-19T22:32:46","date_gmt":"2025-08-19T13:32:46","guid":{"rendered":"https:\/\/cipher-core.co.jp\/blog\/?p=112"},"modified":"2026-02-11T23:11:16","modified_gmt":"2026-02-11T14:11:16","slug":"pqc-vs-qcp","status":"publish","type":"post","link":"https:\/\/cipher-core.co.jp\/blog\/pqc-vs-qcp\/","title":{"rendered":"PQC\u3068QCP\u306e\u9055\u3044\u3068\u306f\uff1f\u91cf\u5b50\u6642\u4ee3\u306e\u6697\u53f7\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">PQC\u3068QCP\u306e\u9055\u3044\u306f\u4f55\u304b\uff1f\u91cf\u5b50\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u6642\u4ee3\u306b\u304a\u3044\u3066\u3001\u6697\u53f7\u306e\u5b89\u5168\u6027\u3092\u3069\u3046\u78ba\u4fdd\u3059\u308b\u304b\u3068\u3044\u3046\u554f\u3044\u306b\u5bfe\u3059\u308b2\u3064\u306e\u7570\u306a\u308b\u7b54\u3048\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PQC\u3068QCP\u306e\u9055\u3044\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u91cf\u5b50\u6642\u4ee3\u306e\u6697\u53f7\u3092\u8003\u3048\u308b\u3046\u3048\u3067\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u91cf\u5b50\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u6642\u4ee3\u306b\u5fc5\u8981\u306a\u300c\u6c38\u4e45\u306b\u5b89\u5168\u300d\u306a\u60c5\u5831\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd1\u5e74\u3001\u4f01\u696d\u3084\u81ea\u6cbb\u4f53\u3092\u8972\u3046\u60c5\u5831\u6f0f\u6d29\u4e8b\u4ef6\u306f\u5f8c\u3092\u7d76\u305f\u305a\u3001\u305d\u306e\u88ab\u5bb3\u984d\u3084\u4fe1\u983c\u5931\u589c\u306f\u6df1\u523b\u5316\u3057\u3066\u3044\u307e\u3059\u3002<br>\u3055\u3089\u306b\u6b21\u4e16\u4ee3\u306e\u8a08\u7b97\u6280\u8853\u2015\u2015\u91cf\u5b50\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306e\u767b\u5834\u304c\u3001\u3053\u308c\u307e\u3067\u306e\u6697\u53f7\u6280\u8853\u306b\u7834\u58ca\u7684\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u3068\u61f8\u5ff5\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3046\u3057\u305f\u4e2d\u3067\u6ce8\u76ee\u3092\u96c6\u3081\u308b\u306e\u304c\u3001<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-noto-sans-jp-font-family\">PQC\uff08Post Quantum Cryptography\uff1a\u30dd\u30b9\u30c8\u91cf\u5b50\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u6697\u53f7\uff09<\/li>\n\n\n\n<li class=\"has-noto-sans-jp-font-family\">QPC\uff08Quantum Proof Cryptography\uff1a\u91cf\u5b50\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u3067\u3082\u89e3\u8aad\u4e0d\u80fd\u3068\u8a3c\u660e\u3055\u308c\u3066\u3044\u308b\u6697\u53f7 \uff1d \u5b8c\u5168\u6697\u53f7\uff09<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u898b\u4f3c\u3066\u3044\u308b\u3053\u308c\u3089\uff12\u3064\u306e\u6982\u5ff5\u3067\u3059\u304c\u3001\u305d\u306e\u5b89\u5168\u6027\u306e\u6839\u62e0\u306b\u306f\u5927\u304d\u306a\u9055\u3044\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">PQC\u3068QCP\u306e\u9055\u3044\u3092\u7c21\u5358\u306b\u6574\u7406<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">PQC\u3068\u306f\uff1f\u2500\u2500\u91cf\u5b50\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u304c\u5b9f\u73fe\u3057\u3066\u3082\u5b89\u5168\u306a\u6697\u53f7\u306e\u7dcf\u79f0\u3067\u3059\u3002<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u300cPQC\uff08\u8010\u91cf\u5b50\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u6697\u53f7\uff09\u300d\u306f\u3001\u91cf\u5b50\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u3067\u3082\u5f93\u6765\u306e\u6697\u53f7\u3088\u308a\u7834\u3089\u308c\u306b\u304f\u3044\u3068\u3055\u308c\u308b\u65b0\u3057\u3044\u6697\u53f7\u65b9\u5f0f\u3067\u3059\u3002<br>\u5f93\u6765\u4e3b\u6d41\u306eRSA\u3084ECC\u306a\u3069\u306f\u3001\u91cf\u5b50\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306e\u8a08\u7b97\u80fd\u529b\u306e\u524d\u3067\u306f\u3042\u3063\u3068\u3044\u3046\u9593\u306b\u89e3\u8aad\u3055\u308c\u308b\u5371\u967a\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7c73\u56fd\u7acb\u6a19\u6e96\u6280\u8853\u7814\u7a76\u6240\uff08NIST\uff09\u306f\u3001\u3053\u306e\u30ea\u30b9\u30af\u3092\u8efd\u6e1b\u3059\u308b\u305f\u3081PQC\u306e\u6a19\u6e96\u5316\u3092\u9032\u3081\u3066\u3044\u307e\u3059\u3002\u73fe\u6642\u70b9\u3067\u306f\u91cf\u5b50\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u653b\u6483\u306b\u3082\u5341\u5206\u8010\u6027\u304c\u3042\u308b\u3068\u8003\u3048\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3057\u304b\u3057\u3001PQC\u306f\u300c\u6c38\u4e45\u306b\u5b89\u5168\u300d\u3068\u306f\u9650\u3089\u306a\u3044\u70b9\u304c\u91cd\u8981\u3067\u3059\u3002<br>\u65b0\u305f\u306a\u6570\u5b66\u7684\u767a\u898b\u3084\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u9032\u5316\u306b\u3088\u3063\u3066\u3001\u5c06\u6765\u89e3\u8aad\u3055\u308c\u308b\u53ef\u80fd\u6027\u306f\u6b8b\u3055\u308c\u3066\u3044\u307e\u3059\u3002PQC\u306f\u3042\u304f\u307e\u3067\u5f53\u9762\u306e\u5b89\u5168\u7b56\u306a\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/csrc.nist.gov\/projects\/post-quantum-cryptography\" target=\"_blank\" rel=\"noopener\" title=\"\">\u7c73\u56fd\u6a19\u6e96\u6280\u8853\u7814\u7a76\u6240\uff08NIST\uff09\u516c\u5f0f\u8cc7\u6599\u53c2\u7167<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">QCP\u3068\u306f\uff1f\u2500\u2500\u300c\u6c38\u4e45\u306b\u5b89\u5168\u300d\u304c\u8a3c\u660e\u3055\u308c\u305f\u6697\u53f7<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">QCP\uff08Quantum (Computer) Proof\uff09\u306f\u3001\u30a2\u30d7\u30ed\u30fc\u30c1\u304c\u6839\u672c\u7684\u306b\u7570\u306a\u308a\u307e\u3059\u3002<br>\u305d\u308c\u306f\u3001\u300c\u91cf\u5b50\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u3067\u3082\u6570\u5b66\u7684\u30fb\u60c5\u5831\u7406\u8ad6\u7684\u306b\u6c38\u4e45\u306b\u89e3\u8aad\u4e0d\u80fd\u3067\u3042\u308b\u300d\u3068\u8a3c\u660e\u3055\u308c\u305f\u6697\u53f7\u306e\u3053\u3068\u3067\u3059\u3002<br>\u3064\u307e\u308a\u3001\u3069\u308c\u3060\u3051\u8a08\u7b97\u6280\u8853\u304c\u9032\u6b69\u3057\u3066\u3082\u3001\u539f\u7406\u7684\u306b\u7834\u308b\u3053\u3068\u304c\u4e0d\u53ef\u80fd\u306a\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee3\u8868\u4f8b\u304c1949\u5e74\u3001\u30af\u30ed\u30fc\u30c9\u30fb\u30b7\u30e3\u30ce\u30f3\u535a\u58eb\u306b\u3088\u3063\u3066\u8a3c\u660e\u3055\u308c\u305f\u300c\u30ef\u30f3\u30bf\u30a4\u30e0\u30d1\u30c3\u30c9\uff08\u30f4\u30a1\u30fc\u30ca\u30e0\u6697\u53f7\uff09\u300d\u3067\u3059\u3002<br>\u5b8c\u5168\u30e9\u30f3\u30c0\u30e0\u306a\u9375\u3092\u4e00\u5ea6\u3060\u3051\u4f7f\u3044\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u3068\u540c\u3058\u9577\u3055\u306e\u9375\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u60c5\u5831\u7406\u8ad6\u7684\u306b\u89e3\u8aad\u306f100\uff05\u4e0d\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305f\u3060\u3057\u3001\u30ef\u30f3\u30bf\u30a4\u30e0\u30d1\u30c3\u30c9\u306e\u5927\u304d\u306a\u8ab2\u984c\u306f\u300c\u9375\u306e\u914d\u9001\u3068\u7ba1\u7406\u306e\u96e3\u3057\u3055\u300d\u3067\u3057\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/cipher-core.co.jp\/blog\/wp-content\/uploads\/2025\/08\/file_000000006ed861f88bf0a21fdc4eb1e0-1-1024x683.png\" alt=\"\" class=\"wp-image-113\" srcset=\"https:\/\/cipher-core.co.jp\/blog\/wp-content\/uploads\/2025\/08\/file_000000006ed861f88bf0a21fdc4eb1e0-1-1024x683.png 1024w, https:\/\/cipher-core.co.jp\/blog\/wp-content\/uploads\/2025\/08\/file_000000006ed861f88bf0a21fdc4eb1e0-1-300x200.png 300w, https:\/\/cipher-core.co.jp\/blog\/wp-content\/uploads\/2025\/08\/file_000000006ed861f88bf0a21fdc4eb1e0-1-768x512.png 768w, https:\/\/cipher-core.co.jp\/blog\/wp-content\/uploads\/2025\/08\/file_000000006ed861f88bf0a21fdc4eb1e0-1.png 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u5b8c\u5168\u6697\u53f7\uff08Complete Cipher\uff09\u2500  QCP\u3092\u5b9f\u7528\u5316<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u8ab2\u984c\u3092\u514b\u670d\u3057\u305f\u306e\u304c\u3001CIPHER-CORE\uff08\u5f0a\u793e\uff09\u306b\u3088\u308b\u300e\u5b8c\u5168\u6697\u53f7\uff08Complete Cipher\uff09\u300f\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-noto-sans-jp-font-family\">\u30ef\u30f3\u30bf\u30a4\u30e0\u30d1\u30c3\u30c9\u306e\u7406\u8ad6\u7684\u5b89\u5168\u6027\u3092\u305d\u306e\u307e\u307e\u7dad\u6301<\/li>\n\n\n\n<li class=\"has-noto-sans-jp-font-family\">\u9375\u914d\u9001\u30fb\u4fdd\u7ba1\u30fb\u8a8d\u8a3c\u306e\u554f\u984c\u3092\u3059\u3079\u3066\u89e3\u6c7a<\/li>\n\n\n\n<li class=\"has-noto-sans-jp-font-family\">\u9060\u9694\u901a\u4fe1\u3084\u9060\u9694\u8a8d\u8a3c\u306b\u3082\u5bfe\u5fdc<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u306b\u3088\u308a\u3001\u60c5\u5831\u304c\u76d7\u307e\u308c\u3066\u3082\u89e3\u8aad\u3067\u304d\u306a\u3044\uff1d\u88ab\u5bb3\u30bc\u30ed\u3068\u3044\u3046\u7406\u60f3\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/cipher-core.co.jp\/blog\/completecipher\/\" target=\"_blank\" rel=\"noopener\" title=\"\">\u8a73\u3057\u304f\u306f\u300c\u5b8c\u5168\u6697\u53f7\u3068\u306f\uff1f\u300d\u306e\u8a18\u4e8b\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5f93\u6765\u578b\u9632\u5fa1\u304b\u3089\u300c\u76d7\u307e\u308c\u3066\u3082\u7121\u5bb3\u300d\u3078<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u307e\u3067\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306f\u3001\u4f8b\u3048\u308b\u306a\u3089\u201c\u9244\u58c1\u306e\u91d1\u5eab\u201d\u3084\u201c\u53b3\u91cd\u306a\u65bd\u9320\u201d\u3067\u3057\u305f\u3002<br>\u3057\u304b\u3057\u653b\u6483\u624b\u6cd5\u304c\u9ad8\u5ea6\u5316\u3057\u3066\u304a\u308a\u3001\u4e00\u5ea6\u7a81\u7834\u3055\u308c\u308c\u3070\u60c5\u5831\u305d\u306e\u3082\u306e\u304c\u76d7\u307e\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3055\u3089\u306b\u3001\u300c\u30cf\u30fc\u30d9\u30b9\u30c8\u30a2\u30bf\u30c3\u30af\u300d\u3068\u3044\u3046\u65b0\u3057\u3044\u8105\u5a01\u304c\u3042\u308a\u307e\u3059\u3002<br>\u3053\u308c\u306f\u4eca\u306f\u89e3\u8aad\u3067\u304d\u306a\u304f\u3066\u3082\u5c06\u6765\u3067\u304d\u308b\u3053\u3068\u3092\u898b\u8d8a\u3057\u3066\u3001\u3068\u306b\u304b\u304f\u76d7\u3093\u3067\u4fdd\u5b58\u3057\u3066\u304a\u304f\u3068\u3044\u3046\u653b\u6483\u3067\u3059\u3002\u91cf\u5b50\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u6642\u4ee3\u306b\u306f\u4e00\u6c17\u306b\u5371\u967a\u5ea6\u304c\u5897\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PQC\u306f\u5c06\u6765\u30ea\u30b9\u30af\u8efd\u6e1b\u306e\u305f\u3081\u306e\u624b\u6bb5\u3067\u3059\u304c\u3001QCP\u306f\u6700\u521d\u304b\u3089\u6c38\u4e45\u306b\u89e3\u8aad\u4e0d\u80fd\u3002<br>\u5b8c\u5168\u6697\u53f7\u306f\u3001\u3053\u306eQCP\u3092\u5b9f\u7528\u5316\u3057\u305f\u9769\u65b0\u7684\u6280\u8853\u306a\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3053\u308c\u304b\u3089\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u57fa\u6e96\u306f\u300c\u6c38\u4e45\u4e0d\u5909\u306e\u5b89\u5168\u300d<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u91cf\u5b50\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u6642\u4ee3\u3067\u306f\u3001\u300c\u4eca\u5b89\u5168\u300d\u304b\u3089\u300c\u672a\u6765\u6c38\u52ab\u5b89\u5168\u300d\u3078\u306e\u767a\u60f3\u8ee2\u63db\u304c\u5fc5\u8981\u3067\u3059\u3002<br>\u60c5\u5831\u6f0f\u6d29\u3092\u30bc\u30ed\u306b\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u8d77\u304d\u3066\u3082\u7121\u5bb3\u5316\u3067\u304d\u308b\u72b6\u614b\u3053\u305d\u3001\u3053\u308c\u304b\u3089\u306e\u6a19\u6e96\u3068\u306a\u308b\u3079\u304d\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h3>\n\n\n\n<ul class=\"wp-block-list has-noto-sans-jp-font-family\">\n<li>PQC\uff1a\u5f53\u9762\u5b89\u5168\u3060\u304c\u3001\u5c06\u6765\u306e\u89e3\u8aad\u30ea\u30b9\u30af\u306f\u6b8b\u308b<\/li>\n\n\n\n<li>QCP\uff1a\u6570\u5b66\u7684\u306b\u6c38\u4e45\u306b\u89e3\u8aad\u4e0d\u80fd\u304c\u8a3c\u660e\u3055\u308c\u3066\u3044\u308b<\/li>\n\n\n\n<li>\u5b8c\u5168\u6697\u53f7\uff08Complete Cipher\uff09\uff1aQCP\u306e\u539f\u7406\u3092\u5b9f\u7528\u5316\u3057\u3001\u901a\u4fe1\u30fb\u8a8d\u8a3c\u306b\u3082\u5bfe\u5fdc<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u53c2\u8003\u30ea\u30f3\u30af<\/h3>\n\n\n\n<ul class=\"wp-block-list has-noto-sans-jp-font-family\">\n<li>\u5b8c\u5168\u6697\u53f7\u306e\u8a73\u7d30\u8aac\u660e\uff1a<br><a href=\"https:\/\/cipher-core.co.jp\/complete-cipher-jpsub\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/cipher-core.co.jp\/complete-cipher-jpsub\/<\/a><\/li>\n\n\n\n<li>CIPHER-CORE\u516c\u5f0f\u30b5\u30a4\u30c8\uff1a<br><a href=\"https:\/\/cipher-core.co.jp\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/cipher-core.co.jp\/<\/a><\/li>\n\n\n\n<li>\u30ea\u30b9\u30ad\u30ea\u30f3\u30b0\u7814\u4fee\u5c0e\u5165\u30fb\u554f\u3044\u5408\u308f\u305b\uff1a<br><a href=\"https:\/\/cipher-core.co.jp\/lp\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/cipher-core.co.jp\/lp\/<\/a><br><a href=\"https:\/\/cipher-core.co.jp\/rspromo04\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/cipher-core.co.jp\/rspromo04\/<\/a><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>PQC\u3068QCP\u306e\u9055\u3044\u306f\u4f55\u304b\uff1f\u91cf\u5b50\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u6642\u4ee3\u306b\u304a\u3044\u3066\u3001\u6697\u53f7\u306e\u5b89\u5168\u6027\u3092\u3069\u3046\u78ba\u4fdd\u3059\u308b\u304b\u3068\u3044\u3046\u554f\u3044\u306b\u5bfe\u3059\u308b2\u3064\u306e\u7570\u306a\u308b\u7b54\u3048\u3067\u3059\u3002 PQC\u3068QCP\u306e\u9055\u3044\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u91cf\u5b50\u6642\u4ee3\u306e\u6697\u53f7\u3092\u8003\u3048\u308b\u3046\u3048\u3067\u91cd\u8981\u3067\u3059\u3002 \u91cf\u5b50\u30b3\u30f3\u30d4\u30e5\u30fc&#8230;<\/p>\n","protected":false},"author":2,"featured_media":114,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","footnotes":""},"categories":[84,87],"tags":[55,44,56,45,22,17,32,39,52,49],"class_list":["post-112","post","type-post","status-publish","format-standard","has-post-thumbnail","category-complete-cipher","category-quantum-security","tag-nist-pqc-standardization","tag-cipher-core","tag-harvest-now-decrypt-later","tag-post-quantum-cryptography","tag-one-time-pad","tag-complete-cipher","tag-information-theoretic-security","tag-lattice-based-cryptography","tag-quantum-computing-threats","tag-long-term-confidentiality","article 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