# sodium_crypto_core_ristretto255_scalar_mul

(PHP 8 >= 8.1.0)

sodium_crypto_core_ristretto255_scalar_mul — Multiplies a scalar value

### 说明

sodium_crypto_core_ristretto255_scalar_mul(string `$x`, string `$y`): string

Multiplies a scalar value. Available as of libsodium 1.0.18.

警告

本函数还未编写文档，仅有参数列表。

### 参数

`x`

  Scalar, representing the X coordinate.

`y`

  Scalar, representing the Y coordinate.

### 返回值

Returns a 32-byte random string.

### 参见

- sodium_crypto_core_ristretto255_scalar_random() - Generates a random key

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