I manage to generate private / public keys using the following script : $res

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Asked: June 5, 20262026-06-05T06:20:19+00:00 2026-06-05T06:20:19+00:00

I manage to generate private / public keys using the following script : $res

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I manage to generate private / public keys using the following script :

$res = openssl_pkey_new(array('private_key_bits' => 2048,'private_key_type' => OPENSSL_KEYTYPE_RSA));
openssl_pkey_export($res, $privkey);
file_put_contents('test.private.key', $privkey);
$pubkey = openssl_pkey_get_details($res);
$pubkey = $pubkey["key"];
file_put_contents('test.public.key', $pubkey);

The generated files :

Could someone tell me how to retrieve my keys, in order to encrypt / decrypt files. I’m trying the following :

$privkey = openssl_pkey_get_private('file://test.private.key')
$pubkey = openssl_pkey_get_public('file://test.public.key')

But these functions return false…

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1 Answer

Editorial Team · Answer 1 · 2026-06-05T06:20:20+00:00

Editorial Team

2026-06-05T06:20:20+00:00Added an answer on June 5, 2026 at 6:20 am

Ok sorry forget about this post, I just tried to make it hard where it’s very simple : A file_get_contents(‘test.public.key’) is enough to retrieve the keys 😉

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