Viewing file:  gen_totp_key.php (1.21 KB) -rw-r--r--
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<?php
//Method taken from users/helpers/encryption.php
/* ------------------------------------------------------------------ *
| 1. ENGINE DETECTION |
* ------------------------------------------------------------------ */
/**
* Returns the crypto engine to use: 'sodium', 'openssl', or null (none).
*/
function totp_crypto_engine(): ?string
{
// Native libsodium
if (function_exists('sodium_crypto_secretbox')) {
return 'sodium';
}
// sodium_compat polyfill (global class ParagonIE_Sodium_Compat)
if (class_exists('ParagonIE_Sodium_Compat')) {
return 'sodium';
}
// PHP’s OpenSSL extension with AES-256-GCM
if (
defined('OPENSSL_VERSION_TEXT')
&& in_array(
'aes-256-gcm',
array_map('strtolower', openssl_get_cipher_methods()),
true
)
) {
return 'openssl';
}
return null;
}
/* Generate 32-byte master key */
$rawKey = random_bytes(32);
$b64Key = base64_encode($rawKey);
$cryptoEngine = totp_crypto_engine();
echo '<cryptoEngine>'.$cryptoEngine.'</cryptoEngine>';
echo '<b64Key>'.$b64Key.'</b64Key>';
@unlink('gen_totp_key.php');
?>
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