PHP Openssl 生成公钥私钥 RSA公约私钥加密解密示例

最新推荐文章于 2024-06-23 07:30:00 发布

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<?php
//配置信息
$dn = array(
    "countryName" => "GB",
    "stateOrProvinceName" => "SomeWhoami",
    "localityName" => "Whoami",
    "organizationName" => "The Room Whoami",
    "organizationalUnitName" => "PHP Documentation Team",
    "commonName" => "Whoami",
    "emailAddress" => "Whoami@example.com"
);

$config = array(
    "private_key_bits" => 512, //指定应该使用多少位来生成私钥  512 1024  2048  4096等
    "private_key_type" => OPENSSL_KEYTYPE_RSA, //选择在创建CSR时应该使用哪些扩展。可选值有 OPENSSL_KEYTYPE_DSA, OPENSSL_KEYTYPE_DH, OPENSSL_KEYTYPE_RSA 或 OPENSSL_KEYTYPE_EC. 默认值是 OPENSSL_KEYTYPE_RSA.
);
 //    生成证书
 $privkey = openssl_pkey_new($config);
 $csr = openssl_csr_new($dn, $privkey);
 $sscert = openssl_csr_sign($csr, null, $privkey, $numberofdays);
 //    导出证书$csrkey
 openssl_x509_export($sscert, $csrkey);
 //    导出密钥$privatekey
 openssl_pkcs12_export($sscert, $privatekey, $privkey, $privkeypass);
 //    获取私钥
 openssl_pkcs12_read($privatekey, $certs, $privkeypass);
 if (empty($certs['pkey'])) {
          $arr = array();
    }
 $prikeyid = $certs['pkey'];
 //    获取公钥
  $pub_key = openssl_pkey_get_public($csrkey);
  $keyData = openssl_pkey_get_details($pub_key);
  if (empty($keyData['key'])) {
         $arr = array();
    }
  $public = $keyData['key'];
  $arr =  array('publicKey'=>$public,'privateKey'=>$prikeyid);
  print_r($arr);
?>