<?php
$private_key = '这是一行私钥';
$search = [
"-----BEGIN RSA PRIVATE KEY-----",
"-----END RSA PRIVATE KEY-----",
"\n",
"\r",
"\r\n"
];
$private_key=str_replace($search,"",$private_key);
$private_key=$search[0] . PHP_EOL . wordwrap($private_key, 64, "\n", true) . PHP_EOL . $search[1];
//echo $private_key;die;
$public_key = '这是一行公钥';
$search = [
"-----BEGIN PUBLIC KEY-----",
"-----END PUBLIC KEY-----",
"\n",
"\r",
"\r\n"
];
$public_key=str_replace($search,"",$public_key);
$public_key=$search[0] . PHP_EOL . wordwrap($public_key, 64, "\n", true) . PHP_EOL . $search[1];
$pi_key = openssl_pkey_get_private($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
$pu_key = openssl_pkey_get_public($public_key);//这个函数可用来判断公钥是否是可用的
$data = "123456";//原始数据
$encrypted = "";
$decrypted = "";
openssl_public_encrypt($data,$encrypted,$pu_key,OPENSSL_PKCS1_PADDING);//公钥加密
$encrypted = base64_encode($encrypted);
echo $encrypted,"\n";
echo "private key decrypt:\n";
openssl_private_decrypt(base64_decode($encrypted),$decrypted,$pi_key,OPENSSL_PKCS1_PADDING);//私钥解密
echo $decrypted."\n";
