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PHP sodium_crypto_stream_xchacha20 用法 手册 | 示例代码

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sodium_crypto_stream_xchacha20

(PHP 8 >= 8.1.0)

sodium_crypto_stream_xchacha20Expands the key and nonce into a keystream of pseudorandom bytes

说明

sodium_crypto_stream_xchacha20(int $length, string $nonce, string $key): string

Expands the key and nonce into a keystream of pseudorandom bytes.

参数

length

Number of bytes desired.

nonce

24-byte nonce.

key

Key, possibly generated from sodium_crypto_stream_xchacha20_keygen().

返回值

Returns a pseudorandom stream that can be used with sodium_crypto_stream_xchacha20_xor().

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