sodium_crypto_core_ristretto255_scalar_random
(PHP 8 >= 8.1.0)
sodium_crypto_core_ristretto255_scalar_random — Generates a random key
说明
sodium_crypto_core_ristretto255_scalar_random(): string
Generates a random key. 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
此函数没有参数。
返回值
Returns a 32-byte random string.
范例
示例 #1 sodium_crypto_core_ristretto255_scalar_random() 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)
参见
- sodium_crypto_core_ristretto255_scalar_add() - Adds a scalar value
- sodium_crypto_core_ristretto255_scalar_sub() - Subtracts a scalar value
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备份地址：http://www.lvesu.com/blog/php/function.sodium-crypto-core-ristretto255-scalar-random.php