sodium_crypto_core_ristretto255_scalar_invert
(PHP 8 >= 8.1.0)
sodium_crypto_core_ristretto255_scalar_invert — Inverts a scalar value
说明
sodium_crypto_core_ristretto255_scalar_invert(string
$s
): stringInverts 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
-
s
-
Scalar value.
返回值
Returns a 32-byte random string.
范例
示例 #1 sodium_crypto_core_ristretto255_scalar_invert() example
<?php
$foo
= sodium_crypto_core_ristretto255_scalar_random();
$inverted = sodium_crypto_core_ristretto255_scalar_invert($foo);
$reInverted = sodium_crypto_core_ristretto255_scalar_invert($inverted);
var_dump(hash_equals($foo, $reInverted));
?>
以上例程会输出:
bool(true)
用户贡献的笔记
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