{"provider_url":"https://hatena.blog","author_name":"naos92","image_url":null,"categories":["IT","ChatGPT"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fnaos92.hatenablog.com%2Fentry%2F2025%2F04%2F12%2F194556\" title=\"\u3010ChatGPT\u3011CA\u306e\u5f79\u5272\u306b\u3064\u3044\u3066 - naos92\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://naos92.hatenablog.com/","height":"190","width":"100%","published":"2025-04-12 19:45:56","author_url":"https://blog.hatena.ne.jp/naos92/","provider_name":"Hatena Blog","url":"https://naos92.hatenablog.com/entry/2025/04/12/194556","blog_title":"naos92\u306e\u65e5\u8a18","description":"S/MIME\uff08Secure/Multipurpose Internet Mail Extensions\uff09\u306f\u3001\u96fb\u5b50\u30e1\u30fc\u30eb\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306e\u6a19\u6e96\u6280\u8853\u3067\u3001\u96fb\u5b50\u7f72\u540d\u3068\u6697\u53f7\u5316\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002S/MIME\u3092\u5229\u7528\u3059\u308b\u969b\u306b\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3059\u306e\u304c CA\uff08\u8a8d\u8a3c\u5c40\uff1aCertificate Authority\uff09 \u3067\u3059\u3002 \u25a0 CA\u306e\u5f79\u5272 S/MIME\u306b\u304a\u3051\u308bCA\u306e\u4e3b\u306a\u5f79\u5272\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\uff1a 1. \u516c\u958b\u9375\u8a3c\u660e\u66f8\u306e\u767a\u884c \u5229\u7528\u8005\uff08\u30e1\u30fc\u30eb\u9001\u4fe1\u8005\u3084\u53d7\u4fe1\u8005\uff09\u304cS/MIME\u3092\u4f7f\u3046\u305f\u3081\u306b\u306f\u3001\u516c\u958b\u9375\u3068\u79d8\u5bc6\u9375\u306e\u30da\u30a2\u3092\u6301\u3064\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 CA\u306f\u3001\u5229\u7528\u8005\u306e\u516c\u958b\u9375\u306b\u5bfe\u3057\u3066**\u30c7\u30b8\u30bf\u30eb\u8a3c\u660e\u66f8\uff08\u516c\u958b\u9375\u8a3c\u660e\u66f8\uff09**\u3092\u767a\u884c\u3057\u307e\u3059\u3002 \u3053\u306e\u8a3c\u2026","type":"rich","version":"1.0","title":"\u3010ChatGPT\u3011CA\u306e\u5f79\u5272\u306b\u3064\u3044\u3066"}