php接口数据加密、解密、验证签名

<?php
//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);