{"categories":["C#"],"description":"string CalculateHMACSHA256(byte[] bytes) { using (var hmacsha256 = new HMACSHA256(key)) { var bs = hmacsha256.ComputeHash(bytes); return BitConverter.ToString(bs).ToLower().Replace(\"-\", \"\"); } } // \u51fa\u529b\u4f8b // b248bb2b861e5efe1e5bea3722b19c65ec73f77a64deaf76906cc513f40db534","provider_url":"https://hatena.blog","title":"C# \u3067 HMACSHA256\u3092\u8a08\u7b97\u3059\u308b","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkagasu.hatenablog.com%2Fentry%2F2017%2F05%2F23%2F183125\" title=\"C# \u3067 HMACSHA256\u3092\u8a08\u7b97\u3059\u308b - \u5099\u5fd8\u9332\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://kagasu.hatenablog.com/entry/2017/05/23/183125","width":"100%","published":"2017-05-23 18:31:25","image_url":null,"version":"1.0","provider_name":"Hatena Blog","author_name":"kagasu","blog_url":"https://kagasu.hatenablog.com/","author_url":"https://blog.hatena.ne.jp/kagasu/","blog_title":"\u5099\u5fd8\u9332","height":"190","type":"rich"}