sodium_crypto_stream

sodium_crypto_stream

Generate a deterministic sequence of bytes from a seed

string **sodium_crypto_stream** int $length string $nonce string $key

Generate a deterministic sequence of bytes from a seed, using the XSalsa20 stream cipher.

lengthThe 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

keyEncryption key (256-bit).

String of pseudorandom bytes.