<?php
$key = random_bytes(SODIUM_CRYPTO_SECRETBOX_KEYBYTES);
$message = "Customer financial data";
$nonce = random_bytes(SODIUM_CRYPTO_SECRETBOX_NONCEBYTES);
$ciphertext = sodium_crypto_secretbox($message, $nonce, $key);
// Key no longer needed
sodium_memzero($key);
var_dump($key); // Usually becomes an empty stringsodium_memzero
(PHP 7 >= 7.2.0, PHP 8)
sodium_memzero — Überschreibt eine Zeichenkette mit einem Nullzeichen
Beschreibung
sodium_memzero() überschreibt eine Zeichenkette mit Nullzeichen.
Parameter-Liste
string- Zeichenkette.
Rückgabewerte
Es wird kein Wert zurückgegeben.
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User Contributed Notes 1 note
Anonymous ¶
7 days ago
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