{"type":"rich","author_url":"https://blog.hatena.ne.jp/anton0825/","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fanton0825.hatenablog.com%2Fentry%2F2022%2F07%2F08%2F203015\" title=\"Base64.decode\u3067\u300cjava.lang.IllegalArgumentException: Last encoded character (before the paddings if any) is a valid base 64 alphabet but not a possible value. Expected the discarded bits to be zero.\u300d\u30a8\u30e9\u30fc - \u65e5\u3005\u7cbe\u9032\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_name":"anton0825","image_url":null,"height":"190","blog_title":"\u65e5\u3005\u7cbe\u9032","version":"1.0","width":"100%","url":"https://anton0825.hatenablog.com/entry/2022/07/08/203015","title":"Base64.decode\u3067\u300cjava.lang.IllegalArgumentException: Last encoded character (before the paddings if any) is a valid base 64 alphabet but not a possible value. Expected the discarded bits to be zero.\u300d\u30a8\u30e9\u30fc","description":"\u539f\u56e0\u306fBase64.decode\u306b\u6e21\u3057\u305f\u6587\u5b57\u5217\u304c4\u3067\u5272\u308a\u5207\u308c\u306a\u3044\u6587\u5b57\u6570\u306b\u306a\u3063\u3066\u3044\u308b\u305f\u3081\u3002 Base64\u306f64\u7a2e\u985e\u306e\u6587\u5b57\u3067\u30d0\u30a4\u30ca\u30ea\u30c7\u30fc\u30bf\u3092\u8868\u73fe\u3057\u3066\u3044\u308b\u305f\u3081\u30011\u6587\u5b57\u304c6bit\u306b\u76f8\u5f53\u3059\u308b\u3002\u306a\u306e\u30674\u6587\u5b57\uff1d24bit\u30921\u30bb\u30c3\u30c8\u3068\u3057\u3066\u30a8\u30f3\u30b3\u30fc\u30c9\u3059\u308b\u3002 \u30a8\u30f3\u30b3\u30fc\u30c9\u3059\u308b\u30c7\u30fc\u30bf\u304c24bit\u3067\u5272\u308a\u5207\u308c\u306a\u3044\u5834\u5408\u306f\u4f59\u3063\u305f\u5206=\u3092\u8a70\u3081\u308b\u3002\u3053\u308c\u304cpadding\u3002\u4f55\u3089\u304b\u306e\u539f\u56e0\u3067padding\u304c\u3055\u308c\u306a\u304b\u3063\u305f\u3082\u306e\u3068\u601d\u308f\u308c\u308b\u306e\u3067\u3001\u666e\u901a\u306fpadding\u3059\u308c\u3070\u30a8\u30e9\u30fc\u306f\u6d88\u3048\u308b\u3002\u304c\u3001\u300c=\u300d\u3092padding\u3057\u3066\u3082\u30a8\u30e9\u30fc\u304c\u6d88\u3048\u306a\u304b\u3063\u305f\u306e\u3067Base64.decode\u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u8aad\u3093\u3067\u307f\u308b\u3068\u3001\u30c7\u30fc\u30bf\u306e\u672b\u5c3e2bit\u304c0\u3067\u3042\u308b\u3053\u3068\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3066\u3044\u2026","blog_url":"https://anton0825.hatenablog.com/","categories":["IT"],"published":"2022-07-08 20:30:15"}