{"id":11919,"date":"2019-10-22T14:06:57","date_gmt":"2019-10-22T05:06:57","guid":{"rendered":"https:\/\/www.eformsign.com\/kr\/support\/?post_type=manual_documentation&#038;p=11919"},"modified":"2020-12-15T13:38:43","modified_gmt":"2020-12-15T04:38:43","slug":"convert-public-key","status":"publish","type":"manual_documentation","link":"https:\/\/www.eformsign.com\/jp\/support\/documentation\/signature-generation-verification\/verify-signature\/convert-public-key\/","title":{"rendered":"2.2.2.1 Public Key \u306e\u5909\u63db"},"content":{"rendered":"\n<p>&#8211; \u767a\u884c\u3057\u305f\u79d8\u5bc6\u9375\uff08hex string\uff09\u3092\u516c\u958b\u9375\uff08X.509\uff09\u306b\u5909\u63db\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4>\u4f8b\u984c<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>import java.security.KeyFactory;\nimport java.security.spec.X509EncodedKeySpec;\nimport java.security.PublicKey;\n \n \nString publicKeyHexStr = \"\u767a\u884c\u3057\u305fpublic key(String)\";\nKeyFactory keyFact = KeyFactory.getInstance(\"EC\");\nX509EncodedKeySpec x509KeySpec = new X509EncodedKeySpec(new BigInteger(publicKeyHexStr,16).toByteArray());\nPublicKey publicKey = keyFact.generatePublic(x509KeySpec);<\/code><\/pre>\n","protected":false},"author":5,"featured_media":0,"parent":11917,"menu_order":0,"template":"","manualdocumentationcategory":[16],"_links":{"self":[{"href":"https:\/\/www.eformsign.com\/jp\/support\/wp-json\/wp\/v2\/manual_documentation\/11919"}],"collection":[{"href":"https:\/\/www.eformsign.com\/jp\/support\/wp-json\/wp\/v2\/manual_documentation"}],"about":[{"href":"https:\/\/www.eformsign.com\/jp\/support\/wp-json\/wp\/v2\/types\/manual_documentation"}],"author":[{"embeddable":true,"href":"https:\/\/www.eformsign.com\/jp\/support\/wp-json\/wp\/v2\/users\/5"}],"version-history":[{"count":2,"href":"https:\/\/www.eformsign.com\/jp\/support\/wp-json\/wp\/v2\/manual_documentation\/11919\/revisions"}],"predecessor-version":[{"id":18360,"href":"https:\/\/www.eformsign.com\/jp\/support\/wp-json\/wp\/v2\/manual_documentation\/11919\/revisions\/18360"}],"up":[{"embeddable":true,"href":"https:\/\/www.eformsign.com\/jp\/support\/wp-json\/wp\/v2\/manual_documentation\/11917"}],"wp:attachment":[{"href":"https:\/\/www.eformsign.com\/jp\/support\/wp-json\/wp\/v2\/media?parent=11919"}],"wp:term":[{"taxonomy":"manualdocumentationcategory","embeddable":true,"href":"https:\/\/www.eformsign.com\/jp\/support\/wp-json\/wp\/v2\/manualdocumentationcategory?post=11919"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}