PHP interface Data encryption, decryption, verification of signature Code instances

PHP interface Data encryption, decryption, authentication signature

The code is very simple, there is no more nonsense, directly on the code

<?php/** * Data encryption, decryption, verification signature * @edit http://www.lai18.com * @date 2015-07-08 **///header (' Content-type:text/xml; charset=u Tf-8 '); Include_once (DirName (dirname (__file__)). Directory_separator. ' Phpsec '. Directory_separator. ' Math '. Directory_separator. ' Biginteger.php '); Include_once (DirName (dirname (__file__)). Directory_separator. ' Phpsec '. Directory_separator. ' Crypt '. Directory_separator. ' Aes.php '); Include_once (DirName (dirname (__file__)). Directory_separator. ' Phpsec '. Directory_separator. ' Crypt '. Directory_separator. ' Rsa.php ');//cipher $crypttext = ' v66ykulhfld2jelhm/j9qik2edr1jhdzic/k/ oesu2gbtx2usxyvf4jgvzvoihrre8fsfkmllmjsmijo5fdrs/fd20byfii4jw3bo3bzshxmz6aes2dwwg4sk9mnojfoc0ismov311x5/ jlguoqxkdy4f5hhpye9d/xgb0g2xe/hngssy2cpqcvqtblbmixwscknhseg92lovloz8ulwkqg5o7x+qb7p/emii/ wafaxbjxdxvzx7lmgcogon6wlhkjlgxorp6bixog6lgc6ux7bat3i9+0lujngxiq/sdsl23hsr3youpv5c5a813nrhx4hjyd/hbt1uviuml+ etmjwwcpsfs2cvxiur0ce57jazvyxjk13shk3iszhlppsm/jcdcrdy0co/d5uigjadzxdsq56xsju+tlvna1j6yq2tdifyk/ x6k911a5wxlkyxztd1nq+btyn3gv/wffrzvtgwqbrh06ihs2cwvna0s9ev/ypmhnajjmrx4trnr9nxq9xazaw4lgrg87u5qdv+nqjj1thk0xhfc69n9g2+ dsagyes9tk6u0zq72hjzqzhbcdh1ukw0plyihjdxpgppowgp8/qvvu2jultekunvgaaec3n+gozfqjscdi1s6t2mtnjwywnofrbhvezfd/ Revgpastozdqa5nqr1b+muf70r6uw6mwlj7ct9tz3jq+ca '; $aeskey = Base64_decode (' qze60qzfxuirub2ey4+7+q== ');//aes decryption, Use ECB mode $aes = new Crypt_aes (CRYPT_MODE_ECB);//Set AES key $aes->setkey ($aeskey);//decrypt AES cipher $plaintext = $aes Decrypt (Base64_decode ($crypttext)); echo $plaintext; Echo ' 
whenever you talk about transactions such as money issues, you need to pay particular attention to security considerations, such as developing a forum or a shopping cart. 

Extended Reading
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PHP interface Data encryption, decryption, verification of signature Code instances