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

