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

    sodium_crypto_stream_xchacha20(int $length, string $nonce, #[\SensitiveParameter] 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().

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