PHP相当于OpenSSL RSA命令

Question

How could I remove passphase from RSA private key using PHP I know that in OpenSSL it is this way: openssl rsa -in key.key -out key.key and I am searching equivalent command to this one in PHP.

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RSA command requires the pass

OpenSSL> rsa -in key2.key -out key2.key 
Enter pass phrase for key2.key:

Answer 1

Using phpseclib, a pure PHP RSA implementation:

<?php
include('Crypt/RSA.php');

$rsa = new Crypt_RSA();
$rsa->setPassword('password');
$rsa->loadKey('...');

$rsa->setPassword();
echo $rsa->getPrivateKey();
?>