(PHP 8 >= 8.1.0)
sodium_crypto_stream_xchacha20 — Expands the key and nonce into a keystream of pseudorandom bytes
$length
, string $nonce
, #[\SensitiveParameter] string $key
): string
Expands the key
and nonce
into a keystream of pseudorandom bytes.
length
Number of bytes desired.
nonce
24-byte nonce.
key
Key, possibly generated from sodium_crypto_stream_xchacha20_keygen().
Returns a pseudorandom stream that can be used with sodium_crypto_stream_xchacha20_xor().