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    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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