{"id":137,"date":"2016-04-22T09:35:57","date_gmt":"2016-04-22T00:35:57","guid":{"rendered":"http:\/\/medicalfields.jp\/blog\/?p=137"},"modified":"2017-03-02T14:01:26","modified_gmt":"2017-03-02T05:01:26","slug":"openssl%e3%81%a7php%e3%81%a8%e3%82%b3%e3%83%9e%e3%83%b3%e3%83%89%e3%81%a7%e3%81%ae%e6%8c%99%e5%8b%95","status":"publish","type":"post","link":"https:\/\/medicalfields.jp\/blog\/php\/openssl%e3%81%a7php%e3%81%a8%e3%82%b3%e3%83%9e%e3%83%b3%e3%83%89%e3%81%a7%e3%81%ae%e6%8c%99%e5%8b%95\/","title":{"rendered":"OpenSSL\u3067PHP\u3068\u30b3\u30de\u30f3\u30c9\u3067\u306e\u6319\u52d5"},"content":{"rendered":"

\u306a\u3093\u3066\u3044\u3046\u304bPHP\u3067openssl\u30b3\u30de\u30f3\u30c9\u3068\u76f8\u4e92\u904b\u7528\u3067\u304d\u308b\u6697\u53f7\u3092\u4f5c\u6210\u3057\u305f\u3044\u3093\u3060\u3051\u3069\u3001\u6210\u529f\u3057\u306a\u3044<\/p>\n

http:\/\/y-stream.blogspot.jp\/2015\/05\/php-openssl.html<\/p>\n

\u3053\u306e\u30d6\u30ed\u30b0\u3067\u7d39\u4ecb\u3057\u3066\u308b\u3051\u3069\u6210\u529f\u3057\u306a\u3063\u305f\u3002<\/p>\n

\u7d39\u4ecb\u3055\u308c\u3066\u3044\u308bcreate_key_iv($password, $salt)\u3067\u5869\u304cNull\u3067\u3057\u304b\u8fd4\u3063\u3066\u3053\u306a\u304b\u3063\u305f\u3002<\/p>\n

\u3067\u3082\u5c06\u6765\u6210\u529f\u3055\u305b\u305f\u3044\u304b\u3089\u3061\u3087\u3063\u3068\u5f15\u7528\u3057\u3066\u4fdd\u5b58<\/p>\n

\u300c<\/p>\n

\u6697\u53f7\u5316\u3092\u69cb\u6210\u3059\u308b\u8981\u7d20\u306e\u95a2\u4fc2\u6027\u3092\u7406\u89e3\u3059\u308b<\/h4>\n

\u307e\u305a\u306f\u7c21\u5358\u306b\u6697\u53f7\u5316\u306e\u624b\u9806\u3084\u5185\u90e8\u306e\u30ed\u30b8\u30c3\u30af\u3092\u56f3\u89e3\u3057\u3066\u304f\u308c\u3066\u3044\u308b\u30b5\u30a4\u30c8\u304c\u3042\u3063\u305f\u306e\u3067\u3001\u305d\u3061\u3089\u3067\u30b5\u30e9\u3063\u3068\u6982\u8981\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002 \u2192 \u56f3\u8aac:PKCS#5\u79d8\u5bc6\u9375\u3092\u30d1\u30b9\u30ef\u30fc\u30c9\u4fdd\u8b77\u3059\u308b\u5171\u901a\u9375\u3068IV\u306e\u4f5c\u308a\u65b9(\u8a18\u4e8b\u4fee\u6b63)<\/a><\/p>\n

\u76f8\u4e92\u904b\u7528\u3067\u304d\u308bAES-256-CBC\u5f62\u5f0f\u6697\u53f7\u306e\u4f5c\u6210<\/h4>\n

\u8272\u3005\u3084\u3063\u3066\u307f\u305f\u7d50\u679c\u3001\u601d\u3063\u305f\u306e\u306f\u3001openssl\u306e\u6697\u53f7\u306f\u8106\u3044\u3001\u3068\u3044\u3046\u4e8b\u3067\u3059\u3002
\u3069\u306e\u90e8\u5206\u304c\u8106\u3044\u304b\u3068\u8a00\u3046\u3068\u3001\u30b3\u30fc\u30c9\u5185\u306b\u3082\u30b3\u30e1\u30f3\u30c8\u3092\u6b8b\u3057\u3066\u304a\u308a\u307e\u3059\u304c\u3001\u300ckey\u3001iv\u300d\u306e\u30bb\u30c3\u30c8\u3092\u4f5c\u6210\u3059\u308b\u969b\u306e\u30cf\u30c3\u30b7\u30e5\u5316\u30921\u56de\u3057\u304b\u56de\u3057\u3066\u3044\u306a\u3044\u90e8\u5206\u3067\u3059\u306d\u3002
\u306a\u306e\u3067\u3001\u5b9f\u969b\u306e\u904b\u7528\u306b\u304a\u3044\u3066\u306f\u3001\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u304b\u3089\u3082\u6697\u53f7\u5316\u3001\u5fa9\u53f7\u5316\u3067\u304d\u308b\u30c4\u30fc\u30eb\u3082\u5408\u308f\u305b\u3066\u4f5c\u6210\u3057\u305f\u65b9\u304c\u6697\u53f7\u5f37\u5ea6\u3082\u4e0a\u304c\u308b\u3057\u3001\u81ea\u7531\u5ea6\u3082\u4e0a\u304c\u308b\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n

\u4eca\u56de\u4f7f\u3063\u305f\u6697\u53f7\u5f62\u5f0f\u306f\u300cAES-256-CBC\u300d\u3068\u3044\u3046\u4eca\u73fe\u5728\u5f37\u5ea6\u7684\u306b\u3082\u554f\u984c\u306a\u3044\u3060\u308d\u3046\u3068\u8a00\u308f\u308c\u3066\u3044\u308b\u5f62\u5f0f\u300cAES-256\u300d\u3068CBC\u3068\u3044\u3046\u30e2\u30fc\u30c9\u3067\u6697\u53f7\u5316\u3059\u308b\u3084\u308a\u65b9\u3067\u3059\u3002<\/p>\n

\u6700\u7d42\u7684\u306a\u6697\u53f7\u5316\u3092\u884c\u3046\u90e8\u5206\u306f\u3001openssl_encrypt\u95a2\u6570\u3067\u554f\u984c\u306a\u3044\u3067\u3059\u304c\u3001php.net<\/a>\u306b\u306f\u308d\u304f\u306a\u60c5\u5831\u304c\u8f09\u3063\u3066\u3044\u306a\u3044\u306e\u3067\u3001\u6b63\u76f4\u56f0\u308a\u307e\u3057\u305f\u3002<\/p>\n

\u30ad\u30e2\u306b\u306a\u308b\u306e\u306f\u3001\u300ckey\u3001iv\u300d\u306e\u30bb\u30c3\u30c8\u3092\u4f5c\u6210\u3059\u308b\u90e8\u5206\u3092openssl\u30b3\u30de\u30f3\u30c9\u76f8\u5f53\u306e\u5b9f\u88c5\u3067\u7528\u610f\u3059\u308b\u90e8\u5206\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

\n
\n
?<\/a><\/div>\n\n\n\n
\n
1<\/div>\n
2<\/div>\n
3<\/div>\n
4<\/div>\n
5<\/div>\n
6<\/div>\n
7<\/div>\n
8<\/div>\n
9<\/div>\n
10<\/div>\n
11<\/div>\n
12<\/div>\n
13<\/div>\n
14<\/div>\n
15<\/div>\n
16<\/div>\n
17<\/div>\n
18<\/div>\n
19<\/div>\n
20<\/div>\n<\/td>\n
\n
\n
\/**<\/code><\/div>\n
\u00a0<\/code>* @param string $password \u4efb\u610f\u306e\u6587\u5b57\u5217<\/code><\/div>\n
\u00a0<\/code>* @param string $salt 16\u9032\u6570\u306b\u5909\u63db\u53ef\u80fd\u306a\u6587\u5b57\u5217(\u6697\u53f7\u5f62\u5f0f\u306b\u3088\u3063\u3066\u9577\u3055\u306f\u7570\u306a\u308b)<\/code><\/div>\n
\u00a0<\/code>*\/<\/code><\/div>\n
function<\/code> create_key_iv(<\/code>$password<\/code>, <\/code>$salt<\/code>){<\/code><\/div>\n
\u00a0<\/code>$salt_bin<\/code> = hex2bin(<\/code>$salt<\/code>);<\/code><\/div>\n
\u00a0<\/code>$hash_str<\/code> = <\/code>$hash<\/code> = <\/code>''<\/code>;<\/code><\/div>\n
\u00a0<\/code>\/\/ openssl\u306f\u30cf\u30c3\u30b7\u30e5\u30921\u56de\u3057\u304b\u3057\u306a\u3044\u304c\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u4e8b\u3092\u8003\u3048\u308b\u3068\u8907\u6570\u56de\u30cf\u30c3\u30b7\u30e5\u5316\u3055\u305b\u305f\u65b9\u304c\u3088\u3044<\/code><\/div>\n
\u00a0<\/code>for<\/code> (<\/code>$i<\/code>=0; <\/code>$i<\/code><1; <\/code>$i<\/code>++){<\/code><\/div>\n
\u00a0\u00a0<\/code>$hash<\/code> = md5(<\/code>$hash<\/code>. <\/code>$password<\/code>. <\/code>$salt_bin<\/code>, true);<\/code><\/div>\n
\u00a0\u00a0<\/code>$hash_str<\/code> .= <\/code>$hash<\/code>;<\/code><\/div>\n
\u00a0<\/code>}<\/code><\/div>\n
\u00a0<\/code>\/\/ \u53d6\u308a\u6025\u304e AES-256-CBC\u306b\u5bc4\u305b\u3066\u304a\u304f<\/code><\/div>\n
\u00a0<\/code>$key<\/code> = <\/code>substr<\/code>(<\/code>$hash_str<\/code>, 0, 32);<\/code><\/div>\n
\u00a0<\/code>$iv<\/code> = <\/code>substr<\/code>(<\/code>$hash_str<\/code>, 32, 16);<\/code><\/div>\n
\u00a0<\/code>\u00a0<\/div>\n
\u00a0<\/code>return<\/code> array<\/code>(<\/code>$key<\/code>, <\/code>$iv<\/code>);<\/code><\/div>\n
}<\/code><\/div>\n
\u00a0<\/div>\n
list(<\/code>$key<\/code>, <\/code>$iv<\/code>) = create_key_iv(<\/code>\"hogehoge\"<\/code>, <\/code>\"12345678\"<\/code>);<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

md5\u3067\u30cf\u30c3\u30b7\u30e5\u751f\u6210\u3057\u3066\u3044\u308b\u8fba\u308a\u304c\u6c17\u306b\u306a\u308a\u307e\u3059\u304c\u3001openssl\u6a19\u6e96\u306e\u3084\u308a\u65b9\u306f\u3053\u306e\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u308b\u307f\u305f\u3044\u3067\u3059\u3002<\/p>\n

\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u306e\u30dd\u30a4\u30f3\u30c8\u306f\u30cf\u30c3\u30b7\u30e5\u56de\u6570\u3068\u30cf\u30c3\u30b7\u30e5\u5f62\u5f0f\u3067\u3057\u3087\u3046\u304b\u3002
\u56de\u6570\u306f\u6570\u5343\u56de\u56de\u3057\u3066\u3082\u4e0d\u5b89\u304c\u6b8b\u308b\u4eba\u305f\u3061\u304b\u3089\u3059\u308b\u3068\u30011\u56de\u306a\u3093\u3066\u3042\u308a\u3048\u306a\u3044\u3067\u3057\u3087\u3046\u306d\u3002
\u30cf\u30c3\u30b7\u30e5\u5f62\u5f0f\u3082\u3001\u4eca\u306fsha256\u306a\u3069\u3082\u9078\u3079\u307e\u3059\u3057\u3001\u30df\u30c3\u30af\u30b9\u3059\u308b\u4e8b\u3082\u3067\u304d\u307e\u3059\u306d\u3002<\/p>\n

\u300d<\/p>\n

\u9811\u5f35\u3063\u3066\u7406\u89e3\u3057\u3088\u3046\u30fc<\/p>\n","protected":false},"excerpt":{"rendered":"

\u306a\u3093\u3066\u3044\u3046\u304bPHP\u3067openssl\u30b3\u30de\u30f3\u30c9\u3068\u76f8\u4e92\u904b\u7528\u3067\u304d\u308b\u6697\u53f7\u3092\u4f5c\u6210\u3057\u305f\u3044\u3093\u3060\u3051\u3069\u3001\u6210\u529f\u3057\u306a\u3044 http:\/\/y-stream.blogspot.jp\/2015\/05\/php-openssl.html \u3053\u306e\u30d6\u30ed\u30b0\u3067\u7d39\u4ecb\u3057 … \u7d9a\u304d\u3092\u8aad\u3080 OpenSSL\u3067PHP\u3068\u30b3\u30de\u30f3\u30c9\u3067\u306e\u6319\u52d5<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false},"categories":[8],"tags":[],"aioseo_notices":[],"jetpack_featured_media_url":"","jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p6kJO0-2d","_links":{"self":[{"href":"https:\/\/medicalfields.jp\/blog\/wp-json\/wp\/v2\/posts\/137"}],"collection":[{"href":"https:\/\/medicalfields.jp\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/medicalfields.jp\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/medicalfields.jp\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/medicalfields.jp\/blog\/wp-json\/wp\/v2\/comments?post=137"}],"version-history":[{"count":1,"href":"https:\/\/medicalfields.jp\/blog\/wp-json\/wp\/v2\/posts\/137\/revisions"}],"predecessor-version":[{"id":140,"href":"https:\/\/medicalfields.jp\/blog\/wp-json\/wp\/v2\/posts\/137\/revisions\/140"}],"wp:attachment":[{"href":"https:\/\/medicalfields.jp\/blog\/wp-json\/wp\/v2\/media?parent=137"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/medicalfields.jp\/blog\/wp-json\/wp\/v2\/categories?post=137"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/medicalfields.jp\/blog\/wp-json\/wp\/v2\/tags?post=137"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}