PHP - Manual: sodium_crypto_core_ristretto255_scalar_add
2024-12-21
(PHP 8 >= 8.1.0)
sodium_crypto_core_ristretto255_scalar_add — Adds a scalar value
$x
, string $y
): string
Adds an element y
to x
.
Available as of libsodium 1.0.18.
本函数还未编写文档,仅有参数列表。
x
Scalar, representing the X coordinate.
y
Scalar, representing the Y coordinate.
Returns a 32-byte random string.
示例 #1 sodium_crypto_core_ristretto255_scalar_add() example
<?php
$foo = sodium_crypto_core_ristretto255_scalar_random();
$bar = sodium_crypto_core_ristretto255_scalar_random();
$value = sodium_crypto_core_ristretto255_scalar_add($foo, $bar);
$value = sodium_crypto_core_ristretto255_scalar_sub($value, $bar);
var_dump(hash_equals($foo, $value));
?>
以上例程会输出:
bool(true)
官方地址:https://www.php.net/manual/en/function.sodium-crypto-core-ristretto255-scalar-add.php