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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                加密數據有很多種方法,今天我們來看一下OPENSSL RSA的加密辦法。 1、首先得安裝php的openssl擴展 ~~~ php -m | grep openssl ~~~ 執行以上命令,確保已經安裝了openssl php擴展 2、接下來要安裝Linux openssl ~~~ yum -y install openssl-devel ~~~ 3、生成RSA公鑰和私鑰 3.1、生成私鑰 ~~~ openssl genrsa 1024 > rsa_private.key ~~~ #注意:1024是密鑰的長度,如果密鑰較長,相應加密后的密文也會較長 3.2、生成公鑰 ~~~ openssl rsa -in rsa_private.key -pubout > rsa_public.key ~~~ 4、PHP操作OPENSSL RSA加解密代碼演示 ~~~ //私鑰加密 echo '<hr/>openssl encrypt'; $rsa_prikey = file_get_contents('~/rsa_private.key'); openssl_private_encrypt('test', $crypted, $rsa_prikey); //$crypted 存儲了加密后的內容 $rsa_pubkey = file_get_contents('~/rsa_public.key'); echo '<hr/>',$rsa_pubkey; echo '<hr/>',$crypted; //公鑰解密 openssl_public_decrypt($crypted, $decrypted, $rsa_pubkey); //$decrypted存儲了解密后的內容 echo '<hr/>', $decrypted; //還有私鑰解密 openssl_private_decrypt($crypted, $decrypted, $rsa_prikey); echo '<hr/>', $decrypted; //還有公鑰加密 openssl_public_encrypt('data here', $crypted, $rsa_pubkey); ~~~
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