{"id":5338,"date":"2016-09-13T07:18:33","date_gmt":"2016-09-13T07:18:33","guid":{"rendered":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/?p=5338"},"modified":"2016-10-17T07:55:53","modified_gmt":"2016-10-17T07:55:53","slug":"%e6%9a%97%e5%8f%b7%e5%8c%96%e6%a9%9f%e8%83%bd%e3%81%ae%e5%a4%89%e6%9b%b4","status":"publish","type":"post","link":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/?p=5338","title":{"rendered":"\u6697\u53f7\u5316\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u5909\u66f4"},"content":{"rendered":"

\u3053\u308c\u307e\u3067\u4f7f\u3063\u3066\u3044\u305f Crypt_RSA<\/a> \u3068\u3044\u3046\u6697\u53f7\u5316\u7528\u306e PHP \u30d1\u30c3\u30b1\u30fc\u30b8\u304c PHP ver7.0 \u3067\u52d5\u304b\u306a\u304f\u306a\u308a\u307e\u3057\u305f\u3002$obj = &new Crypt_RSA();<\/code> \u3068\u3044\u3046\u3088\u3046\u306a\u8a18\u8ff0\u3067\u5f15\u3063\u304b\u304b\u3063\u3066\u3044\u307e\u3059\u3002& \u306f\u53c2\u7167\u3060\u305d\u3046\u3067\u3059\u304c\uff0c\u4f55\u304b\u306b\u3088\u308b\u3068 & \u3068 new \u306f\u540c\u6642\u306b\u4f7f\u3048\u306a\u304f\u306a\u3063\u305f\u3088\u3046\u3067\u3059\uff08\u91cd\u8907\u3059\u308b\u3068\u304b\u306a\u3093\u3068\u304b\uff09\u3002\u8a66\u3057\u306b new \u306e\u524d\u306e & \u3092\u3059\u3079\u3066\u6d88\u3057\u305f\u3089\uff0c\u52d5\u304d\u59cb\u3081\u307e\u3057\u305f\u3002\u305f\u3060\u3082\u306f\u3084\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u304c\u3055\u308c\u3066\u3044\u306a\u3044\u3088\u3046\u306a\u306e\u3067\uff0c\u4ed6\u306e\u3082\u306e\u306b\u5909\u66f4\u3057\u305f\u65b9\u304c\u826f\u3044\u3067\u3059\u3002<\/p>\n

phpseclib \u3068\u3044\u3046\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u4f7f\u7528\u3057\u3066\u307f\u307e\u3059\u3002\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u65b9\u6cd5\u306f\u3053\u3061\u3089\u306e\u30b5\u30a4\u30c8<\/a>\u3092\u53c2\u8003\u306b\u3057\u307e\u3057\u305f\u3002
\n
\npear channel-discover phpseclib.sourceforge.net
\npear remote-list -c phpseclib
\npear install phpseclib\/Crypt_RSA
\n<\/code>
\n\uff08sudo \u3067\u4f5c\u696d\u3057\u307e\u3057\u305f\u30022\u756a\u76ee\u306e\u30b3\u30de\u30f3\u30c9\u3067\u30a8\u30e9\u30fc\u304c\u51fa\u305f\u306e\u3067\u3059\u304c\uff1f\uff09\u30d5\u30a1\u30a4\u30eb\u306e\u914d\u7f6e\u5834\u6240\u306f \/usr\/share\/php\/ \u306e\u4e2d\u3067\u3059\u3002\u95a2\u9023\u3057\u3066\uff0c\u4ed6\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u3082\u5165\u308a\u307e\u3057\u305f\u3002
\n\"phpseclib_folder\"<\/a>
\npear list \u3068\u30b3\u30de\u30f3\u30c9\u3092\u6253\u3063\u3066\u307f\u3066\u3082\u3001 phpseclib \u306f\u8868\u793a\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n

Installed packages, channel pear.php.net:\r\n=========================================\r\nPackage          Version State\r\nArchive_Tar      1.4.0   stable\r\nConsole_Getopt   1.4.1   stable\r\nPEAR             1.10.1  stable\r\nPEAR_Manpages    1.10.0  stable\r\nStructures_Graph 1.1.1   stable\r\nXML_Util         1.3.0   stable\r\n\r\n<\/code><\/pre>\n
\u4ee5\u4e0b\u3001\u4f7f\u7528\u3057\u3066\u307f\u307e\u3057\u305f\u3002\u307e\u305a\u306f\u9375\u306e\u4f5c\u6210\u3067\u3059\u3002\u8a2d\u5b9a\u304c\u8272\u3005\u3042\u308b\u3088\u3046\u306a\u306e\u3067\u3059\u304c\u3001\u826f\u304f\u5206\u304b\u3089\u306a\u3044\u3002\u4e0b\u8a18\u306e\u4f8b\u3067\u306f\u3001\u9375\u306e\u9577\u3055\u306f 512 \u3067\u3059\u304c\u3001\u5b9f\u65bd\u306b\u4f7f\u7528\u3059\u308b\u3068\u304d\u306b\u306f 1024 \u4ee5\u4e0a\u304c\u826f\u3044\u306e\u3067\u306f\u306a\u3044\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n
<?php\r\ninclude('Crypt\/RSA.php');\r\n\r\n$rsa = new Crypt_RSA();\r\n \r\n\/\/$rsa->setPrivateKeyFormat(CRYPT_RSA_PRIVATE_FORMAT_PKCS1);\r\n\/\/$rsa->setPublicKeyFormat(CRYPT_RSA_PUBLIC_FORMAT_PKCS1);\r\n\r\n\/\/define('CRYPT_RSA_EXPONENT', 65537);\r\n\/\/define('CRYPT_RSA_SMALLEST_PRIME', 64); \/\/ makes it so multi-prime RSA is used\r\n$keyary = $rsa->createKey(512); \/\/ == $rsa->createKey(1024) where 1024 is the key size\r\n\r\n$privatekey = $keyary["privatekey"];\r\n$publickey = $keyary["publickey"];\r\necho $privatekey."\\n";\r\necho $publickey."\\n";\r\n?>\r\n<\/code><\/pre>\n
$keyary \u306f\u914d\u5217\u3067\u3059\u3002\u51fa\u529b\u753b\u9762\u306f\u3001\u3053\u3093\u306a\u611f\u3058\u3067\u3059\u3002<\/p>\n
-----BEGIN RSA PRIVATE KEY-----\r\nMIIBOwIBAAJBAL9UkhoNX2YQ8OEnKujcNe8Lvase86M39U6\/DB0cJDt3EIbeOr3K\r\nIGpMc99\/QwLCGAVB4Ojrm8hmCXQg4nNv4jcCAwEAAQJAEYkYPOAF4s5hrVkQIzhv\r\njwGl+AWFsetihb2XyCE4puRpi9z5E6Z6ENsBw+CqOeg6zZL8mA9YFv9FuombOgQS\r\nHQIhAOy+GQgQv1UslCiZSq\/2EXiXgBoHSeGYCfLrVYnbzCUzAiEAzuTQUw\/w1C1f\r\nMNVJDJQur2t24rBzSS\/7ZNCjYMqkxu0CIQC8X4plW4YSzNTa9RZzqrU+IjZg\/5mu\r\n8p4\/9zdp6UWn9wIhALxwRZpR24y1Yo0MxkLxuG\/H1nl0MxzG2hchvJzNFTWlAiA0\r\nb91DrJ+xY1CetMKUn8QusIXH65OnjpEi4lTWmDnoFA==\r\n-----END RSA PRIVATE KEY-----\r\n-----BEGIN PUBLIC KEY-----\r\nMFwwDQYJKoZIhvcNAQEBBQADSwAwSAJBAL9UkhoNX2YQ8OEnKujcNe8Lvase86M3\r\n9U6\/DB0cJDt3EIbeOr3KIGpMc99\/QwLCGAVB4Ojrm8hmCXQg4nNv4jcCAwEAAQ==\r\n-----END PUBLIC KEY-----\r\n<\/code><\/pre>\n
\u3053\u306e\u30ad\u30fc\u306e\u5f62\u306f PEM \u3068\u8a00\u3046\u3089\u3057\u3044\u3067\u3059\u3002\u6b21\u306b\u3001\u30a8\u30f3\u30b3\u30fc\u30c9\u3068\u30c7\u30b3\u30fc\u30c9\u3092\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n
<?php\r\ninclude('Crypt\/RSA.php');\r\n\r\n$rsa = new Crypt_RSA();\r\n\r\n$keyary = $rsa->createKey(512); \r\n\r\n$privatekey = $keyary["privatekey"];\r\n$publickey = $keyary["publickey"];\r\n\r\n\r\n$rsa->loadKey($publickey); \/\/ public key\r\n\r\n$plaintext = 'Hello!';\r\n\r\n\/\/$rsa->setEncryptionMode(CRYPT_RSA_ENCRYPTION_PKCS1);\r\n$ciphertext = base64_encode($rsa->encrypt($plaintext));\r\n\r\necho $ciphertext."\\n\\n";\r\n\r\n$rsa->loadKey($privatekey); \/\/ private key\r\n\r\necho $rsa->decrypt(base64_decode($ciphertext));\r\necho "\\n";\r\n?>\r\n<\/code><\/pre>\n
\u51fa\u529b\u306f\u4e0b\u8a18\u3002<\/p>\n
zIHLITqH3JOCWieC7BgHEBObDHDOQZm2f\/\/OrqPxo3zDEbDNK2dlz\/gpimiHlM0Ksa19uube2UDIOGog8YBb7Q==\r\n\r\nHello!\r\n<\/code><\/pre>\n
\u30a8\u30f3\u30b3\u30fc\u30c9\u3055\u308c\u305f\u3082\u306e\u306f\u3001\u30d0\u30a4\u30ca\u30ea\u30fc\u306e\u3088\u3046\u3067\u3059\u3002\u3044\u3063\u305f\u3093\u30c6\u30ad\u30b9\u30c8\u306b\u5909\u63db\u3057\u307e\u3057\u305f\u3002phpseclib \u306b\u306f\u3001ver. 1 \u3068 ver. 2 \u304c\u3042\u308b\u3088\u3046\u3067\u3059\u3002\u4e0a\u8a18\u306e\u5185\u5bb9\u306f ver. 1 \u3067\u306e\u8a71\u3067\u3059\u3002<\/p>\n
\u3000\u516c\u958b\u9375\uff0c\u79d8\u5bc6\u9375\u3092\u305f\u304f\u3055\u3093\u4f5c\u308a\u307e\u3057\u305f\u3002<\/p>\n
<?php\r\n \r\ninclude('Crypt\/RSA.php');\r\n\r\n \r\n\/\/Generates the pair keys\r\nfunction generate_key_pair() {\r\n\r\n\tglobal $public_key,$private_key;\r\n \r\n\t$rsa = new Crypt_RSA();\r\n \r\n\t\/\/$rsa->setPrivateKeyFormat(CRYPT_RSA_PRIVATE_FORMAT_PKCS1);\r\n\t\/\/$rsa->setPublicKeyFormat(CRYPT_RSA_PUBLIC_FORMAT_PKCS1);\r\n\r\n\t\/\/define('CRYPT_RSA_EXPONENT', 65537);\r\n\t\/\/define('CRYPT_RSA_SMALLEST_PRIME', 64); \/\/ makes it so multi-prime RSA is used\r\n\r\n\t$keyary = $rsa->createKey(); \/\/ == $rsa->createKey(1024) where 1024 is the key size\r\n\r\n\t$private_key = $keyary["privatekey"];\r\n\r\n\t$public_key = $keyary["publickey"];\r\n\r\n}\r\n \r\n\r\n \r\n \r\n \r\n$xmlstr = "<?xml version=\\"1.0\\" encoding=\\"utf-8\\"?>\\n\\n<root>\\n\\n";\r\n \r\n$total = 100;\r\n \r\n \r\nfor ($i = 0; $i < $total; $i++) {\r\n \r\n\t$xmlstr = $xmlstr."<key>\\n<number>$i<\/number>\\n<public>";\r\n \r\n\tgenerate_key_pair();\r\n \r\n \r\n\t$xmlstr = $xmlstr.$public_key."<\/public>\\n<private>";\r\n  \r\n\t$xmlstr = $xmlstr.$private_key."<\/private>\\n<\/key>\\n\\n";\r\n}\r\n \r\n$xmlstr = $xmlstr."<\/root>\\n";\r\n \r\n$key_file = fopen('key.txt','w');\r\nfputs($key_file,$xmlstr);\r\nfclose($key_file);\r\n \r\n?>\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u3053\u308c\u307e\u3067\u4f7f\u3063\u3066\u3044\u305f Crypt_RSA \u3068\u3044\u3046\u6697\u53f7\u5316\u7528\u306e PHP \u30d1\u30c3\u30b1\u30fc\u30b8\u304c  … Read More »<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-5338","post","type-post","status-publish","format-standard","hentry","category-column"],"_links":{"self":[{"href":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/5338","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5338"}],"version-history":[{"count":27,"href":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/5338\/revisions"}],"predecessor-version":[{"id":5410,"href":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/5338\/revisions\/5410"}],"wp:attachment":[{"href":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5338"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5338"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5338"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}