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sodium_crypto_stream

(PHP 7 >= 7.2.0, PHP 8)

sodium_crypto_streamGenerate a deterministic sequence of bytes from a seed

Descrição

sodium_crypto_stream(int $length, string $nonce, string $key): string

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

Parâmetros

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).

Valor Retornado

String of pseudorandom bytes.

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