Decrypt strings encrypted by PKCS12 keys

p12decrypt.php

<?php
$p12cert = array();
$file = '[PATH]]';
$c = file_get_contents($file);
if (openssl_pkcs12_read($c, $p12cert, '[REDACTED]') )
{
    $pkey = $p12cert['pkey'];  //private key
    $cert = $p12cert['cert'];  //public key
    
    //decrypt the encrypted parameter value
    $crypted = $argv[1];

    if(openssl_private_decrypt(base64_decode($crypted), $decrypted, $pkey)){
    echo $decrypted;
    }else{
	    echo 'failed to decrypt';
    }
}
else
{
    echo 'Failed read p12 file';
}