sodium_crypto_stream
PHP 7 >= 7.2.0, PHP 8
sodium_crypto_stream - Generate a deterministic sequence of bytes from a seed
Manual
sodium_crypto_stream(
int$length,
string$nonce,
string$key ): string
Generate a deterministic sequence of bytes from a seed, using the XSalsa20 stream cipher.
Parameters
- length
-
The number of bytes to return.
- nonce
-
A number that must be only used once, per message. 24 bytes long. This is a large enough bound to generate randomly (i.e. random_bytes).
- key
-
Encryption key (256-bit).
Return Values
String of pseudorandom bytes.