{"id":11911,"date":"2019-10-22T14:01:46","date_gmt":"2019-10-22T05:01:46","guid":{"rendered":"https:\/\/www.eformsign.com\/kr\/support\/?post_type=manual_documentation&#038;p=11911"},"modified":"2019-10-22T14:01:46","modified_gmt":"2019-10-22T05:01:46","slug":"convert-private-key","status":"publish","type":"manual_documentation","link":"https:\/\/www.eformsign.com\/kr\/support\/documentation\/signature-generation-verification\/generate-signature\/convert-private-key\/","title":{"rendered":"2.2.1.1 Private Key \ubcc0\ud658"},"content":{"rendered":"\r\n<p>&#8211; \ubc1c\uae09 \ubc1b\uc740 private key (hex string)\ub97c privatekey\ub85c \ubcc0\ud658(PKCS#8) \ud569\ub2c8\ub2e4.<\/p>\r\n\r\n\r\n\r\n<h4>Example<\/h4>\r\n\r\n\r\n\r\n<pre class=\"wp-block-code\"><code>import java.security.KeyFactory;\r\nimport java.security.spec.PKCS8EncodedKeySpec;\r\nimport java.security.PrivateKey;\r\n \r\n \r\nString privateKeyHexStr = \"\ubc1c\uae09 \ubc1b\uc740 private key(String)\";\r\nKeyFactory keyFact = KeyFactory.getInstance(\"EC\");\r\nPKCS8EncodedKeySpec psks8KeySpec = new PKCS8EncodedKeySpec(new BigInteger(privateKeyHexStr,16).toByteArray());\r\nPrivateKey privateKey = keyFact.generatePrivate(psks8KeySpec);<\/code><\/pre>\r\n","protected":false},"author":1,"featured_media":0,"parent":11909,"menu_order":0,"template":"","manualdocumentationcategory":[44],"_links":{"self":[{"href":"https:\/\/www.eformsign.com\/kr\/support\/wp-json\/wp\/v2\/manual_documentation\/11911"}],"collection":[{"href":"https:\/\/www.eformsign.com\/kr\/support\/wp-json\/wp\/v2\/manual_documentation"}],"about":[{"href":"https:\/\/www.eformsign.com\/kr\/support\/wp-json\/wp\/v2\/types\/manual_documentation"}],"author":[{"embeddable":true,"href":"https:\/\/www.eformsign.com\/kr\/support\/wp-json\/wp\/v2\/users\/1"}],"version-history":[{"count":1,"href":"https:\/\/www.eformsign.com\/kr\/support\/wp-json\/wp\/v2\/manual_documentation\/11911\/revisions"}],"predecessor-version":[{"id":11912,"href":"https:\/\/www.eformsign.com\/kr\/support\/wp-json\/wp\/v2\/manual_documentation\/11911\/revisions\/11912"}],"up":[{"embeddable":true,"href":"https:\/\/www.eformsign.com\/kr\/support\/wp-json\/wp\/v2\/manual_documentation\/11909"}],"wp:attachment":[{"href":"https:\/\/www.eformsign.com\/kr\/support\/wp-json\/wp\/v2\/media?parent=11911"}],"wp:term":[{"taxonomy":"manualdocumentationcategory","embeddable":true,"href":"https:\/\/www.eformsign.com\/kr\/support\/wp-json\/wp\/v2\/manualdocumentationcategory?post=11911"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}