<?php  /**   * 数据加密，解密，验证签名   * @edit http://www.lai18.com   * @date 2015-07-08   **/     //header('Content-Type: text/xml; charset=utf-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');     //密文     $crypttext = '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';     $aeskey = base64_decode('qZe60QZFxuirub2ey4+7+Q==');     //AES解密，采用ECB模式     $aes = new Crypt_AES(CRYPT_MODE_ECB);     //设置AES密钥     $aes->setKey($aeskey);     //解密AES密文     $plaintext = $aes->decrypt(base64_decode($crypttext));     echo $plaintext;     echo '<hr />';     //AES加密明文     //echo $aes->encrypt($plaintext);     //rsa公钥     $publickey = 'MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCffOeIVYut9jW5w1L5uKX4aDvd837a8JhaWm5S8YqNQfgEmfD9T+rDknXLqMT+DXeQAqGo4hBmcbej1aoMzn6hIJHk3/TfTAToNN8fgwDotHewsTCBbVkQWtDTby3GouWToVsRi1i/A0Vfb0+xM8MnF46DdhhrnZrycERBSbyrcwIDAQAB';     //echo base64_decode($publickey);     //rsa签名     $signature = 'XHin4uUFqrKDEhKBD/hQisXLFFSxM6EZCvCPqnWCQJq3uEp3ayxmFuUgVE0Xoh4AIWjIIsOWdnaToL1bXvAFKwjCtXnkaRwUpvWrk+Q0eqwsoAdywsVQDEceG5stas1CkPtrznAIW2eBGXCWspOj+aumEAcPyYDxLhDN646Krzw=';     //echo base64_decode($signature);     $rsa = new Crypt_RSA();     //设置RSA签名模式 CRYPT_RSA_SIGNATURE_PSS or CRYPT_RSA_SIGNATURE_PKCS1     $rsa->setSignatureMode(CRYPT_RSA_SIGNATURE_PKCS1);     //var_dump($rsa->createKey());     //生成RSA公钥、私钥     //extract($rsa->createKey());     //使用RSA私钥生成签名     //$rsa->loadKey($privatekey);     //$signature = $rsa->sign($plaintext);     //使用RSA公钥验证签名     echo $plaintext;     $rsa->loadKey(base64_decode($publickey));     echo $rsa->verify($plaintext, base64_decode($signature)) ? 'verified' : 'unverified';     echo '<hr />';     //生成RSA公钥、私钥     //var_dump($rsa->createKey());     extract($rsa->createKey());     //使用RSA私钥加密数据     $rsa->loadKey($privatekey);     $ciphertext = $rsa->encrypt($plaintext);     //使用RSA公钥解密数据     $rsa->loadKey($publickey);     echo $rsa->decrypt($ciphertext);