php接口数据加密、解密、验证签名

每当你讲任何涉及到钱财事务等交易问题时，需要特别注意安全问题的考虑，例如开发一个论坛或者是一个购物车等。

setKey($aeskey);

//解密AES密文

$plaintext = $aes->decrypt(base64_decode($crypttext));

echo $plaintext;

echo '
';

//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 '
';

//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);