{"author_url":"https://blog.hatena.ne.jp/k-akashi/","provider_url":"https://hatena.blog","url":"https://k-akashi.hatenadiary.org/entry/20101016/1287245831","categories":["C\u8a00\u8a9e"],"published":"2010-10-16 01:17:11","image_url":null,"type":"rich","provider_name":"Hatena Blog","description":"OpenSSL0.9.8\u304f\u3089\u3044\u304b\u3089\u6955\u5186\u66f2\u7dda\u6697\u53f7\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u304c\u5b9f\u88c5\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u304c\uff0c\u4eca\u56de\u306f\u3061\u3087\u3063\u3068\u305d\u308c\u3092\u4f7f\u3063\u3066\u79d8\u5bc6\u9375\u3092\u4f5c\u3063\u3066\u307f\u307e\u3057\u305f\uff0e ECDSA_do_sign\u3068\u304bECDSA_do_verify\u306b\u7279\u306b\u610f\u5473\u306f\u3042\u308a\u307e\u305b\u3093\uff0e #include <openssl/ecdsa.h> #include <openssl/obj_mac.h> int main() { int ret; unsigned char digest[20]; ECDSA_SIG* sig; const BIGNUM *priv_key; const EC_POINT* public_key; const EC_GROUP* gr\u2026","blog_title":"\u305b\u304f\u3059\u3043\u3060\u3044\u3042\u308a\u3043","height":"190","width":"100%","author_name":"k-akashi","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fk-akashi.hatenadiary.org%2Fentry%2F20101016%2F1287245831\" title=\"\u6955\u5186\u3067\u79d8\u5bc6\u306a\u9375\u3092\u4f5c\u3063\u3066\u307f\u308b - \u305b\u304f\u3059\u3043\u3060\u3044\u3042\u308a\u3043\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"\u6955\u5186\u3067\u79d8\u5bc6\u306a\u9375\u3092\u4f5c\u3063\u3066\u307f\u308b","blog_url":"https://k-akashi.hatenadiary.org/"}