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如下所示：
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<?php
namespace helpers;
class opensslrsa{
//echo $private_key 私钥;
public $private_key = '-----begin rsa private key-----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-----end rsa private key-----';
//公钥
public $public_key = '-----begin public key-----
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atvzhuahw/g05xshptgqm9rv8wg0eabfbdo9pub8dixdpqlyifaqktgpspjj1ow7
wkxmybqzn5iw/gn+tyfwp+mb2w6iblpwbdval2njlmu8j3lcpjw1dh4zp1oitkxz
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-----end public key-----';
public $pi_key;
public $pu_key;
//判断公钥和私钥是否可用
public function __construct()
{
$this->pi_key = openssl_pkey_get_private($this->private_key);//这个函数可用来判断私钥是否是可用的，可用返回资源id resource id
$this->pu_key = openssl_pkey_get_public($this->public_key);//这个函数可用来判断公钥是否是可用的
// print_r($this->pi_key);echo "\n";
// print_r($this->pu_key);echo "\n";
}
//私钥加密
/*public function privateencrypt($data){
openssl_private_encrypt($data,$encrypted,$this->pi_key);
$encrypted = $this->urlsafe_b64encode($encrypted);//加密后的内容通常含有特殊字符，需要编码转换下，在网络间通过url传输时要注意base64编码是否是url安全的
return $encrypted;
}*/
public function privateencrypt($data){
// openssl_private_encrypt($data,$encrypted,$this->pi_key);
$crypto = '';
foreach (str_split($data, 117) as $chunk) {
openssl_private_encrypt($chunk, $encryptdata, $this->pi_key);
$crypto .= $encryptdata;
}
$encrypted = $this->urlsafe_b64encode($crypto);//加密后的内容通常含有特殊字符，需要编码转换下，在网络间通过url传输时要注意base64编码是否是url安全的
return $encrypted;
}
//加密码时把特殊符号替换成url可以带的内容
function urlsafe_b64encode($string) {
$data = base64_encode($string);
$data = str_replace(array('+','/','='),array('-','_',''),$data);
return $data;
}
//解密码时把转换后的符号替换特殊符号
function urlsafe_b64decode($string) {
$data = str_replace(array('-','_'),array('+','/'),$string);
$mod4 = strlen($data) % 4;
if ($mod4) {
$data .= substr('====', $mod4);
}
return base64_decode($data);
}
//私钥加密的内容通过公钥可用解密出来
public function publicdecrypt($encrypted){
// $encrypted = $this->urlsafe_b64decode($encrypted);
$crypto = '';
foreach (str_split($this->urlsafe_b64decode($encrypted), 128) as $chunk) {
openssl_public_decrypt($chunk, $decryptdata, $this->pu_key);
$crypto .= $decryptdata;
}
//openssl_public_decrypt($encrypted,$decrypted,$this->pu_key);//私钥加密的内容通过公钥可用解密出来
return $crypto;
}
//公钥加密
public function publicencrypt($data){
//openssl_public_encrypt($data,$encrypted,$this->pu_key);//公钥加密
$crypto = '';
foreach (str_split($data, 117) as $chunk) {
openssl_public_encrypt($chunk, $encryptdata, $this->pu_key);
$crypto .= $encryptdata;
}
$encrypted = $this->urlsafe_b64encode($crypto);
return $encrypted;
}
//私钥解密
public function privatedecrypt($encrypted)
{
$crypto = '';
foreach (str_split($this->urlsafe_b64decode($encrypted), 128) as $chunk) {
openssl_private_decrypt($chunk, $decryptdata, $this->pi_key);
$crypto .= $decryptdata;
}
//$encrypted = $this->urlsafe_b64decode($encrypted);
//openssl_private_decrypt($encrypted,$decrypted,$this->pi_key);
return $crypto;
}
}
不用我多写什么了吧，有问题可以直接联系我。
以上这篇基于php rsa密文过长加密解密 越过1024的解决方法就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持移动技术网。
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