PHP - Manual: sodium_crypto_core_ristretto255_scalar_negate
2024-11-13
(PHP 8 >= 8.1.0)
sodium_crypto_core_ristretto255_scalar_negate — Negates a scalar value
$s
): stringNegates a scalar value. Available as of libsodium 1.0.18.
本函数还未编写文档,仅有参数列表。
s
Scalar value.
Returns a 32-byte random string.
示例 #1 sodium_crypto_core_ristretto255_scalar_negate() example
<?php
$foo = sodium_crypto_core_ristretto255_scalar_random();
$negate = sodium_crypto_core_ristretto255_scalar_negate($foo);
$reNegate = sodium_crypto_core_ristretto255_scalar_negate($negate);
var_dump(hash_equals($foo, $reNegate));
?>
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-negate.php