\njava.security.MessageDigest \u3092\u4f7f\u3046\u3068\u7c21\u5358\u3002\n<\/p>\n
MessageDigest md;
\ntry {
\n md = MessageDigest.getInstance(“MD5”);
\n} catch(NoSuchAlgorithmException e) {
\n e.printStackTrace();
\n return;
\n}
\n\/\/ digest \u3092\u6c42\u3081\u308b\u30d0\u30a4\u30c8\u5217\u8a2d\u5b9a
\n\/\/ update(“Hello, world!”.getBytes()) \u3068\u540c\u3058\u3002
\nmd.update(“Hello, “.getBytes());
\nmd.update(“world!”.getBytes());
\n\/\/ \u8a08\u7b97\u3057\u3066\u6c42\u3081\u308b\u304c\u305d\u306e\u307e\u307e\u3060\u3068\u30d0\u30a4\u30c8\u5217\u306a\u306e\u3067\u6587\u5b57\u5217\u5316.
\nfinal byte[] digest = md.digest();
\nfinal String sHexDigest; {
\nfinal StringBuffer buf = new StringBuffer(“”);
\n for(int i=0; i < digest.length; i++){
\n final int n = digest[i] & 0xFF;
\n if(n < 16) buf.append(\"0\");
\n buf.append(Integer.toString(n, 16));
\n }
\n sHexDigest = buf.toString();
\n}
\n
\nSystem.out.println(sHexDigest);\n<\/p><\/blockquote>\n
\n","protected":false},"excerpt":{"rendered":"
java.security.MessageDigest \u3092\u4f7f\u3046\u3068\u7c21\u5358\u3002 MessageDigest md; try { md = MessageDigest.getInst … \u7d9a\u304d\u3092\u8aad\u3080 Java \u3067 MD5<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[42],"class_list":["post-359","post","type-post","status-publish","format-standard","hentry","tag-java"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.ecoop.net\/memo\/wp-json\/wp\/v2\/posts\/359","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ecoop.net\/memo\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ecoop.net\/memo\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ecoop.net\/memo\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ecoop.net\/memo\/wp-json\/wp\/v2\/comments?post=359"}],"version-history":[{"count":0,"href":"https:\/\/www.ecoop.net\/memo\/wp-json\/wp\/v2\/posts\/359\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.ecoop.net\/memo\/wp-json\/wp\/v2\/media?parent=359"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ecoop.net\/memo\/wp-json\/wp\/v2\/categories?post=359"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ecoop.net\/memo\/wp-json\/wp\/v2\/tags?post=359"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}