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Summery Summery
This throws an Error if a zero public key was passed to the function.
Syntax Syntax
Parameters Parameters
- $q
-
(Required)
Return Return
(void)
Source Source
File: wp-includes/sodium_compat/src/Crypto.php
protected static function scalarmult_throw_if_zero($q)
{
$d = 0;
for ($i = 0; $i < self::box_curve25519xsalsa20poly1305_SECRETKEYBYTES; ++$i) {
$d |= ParagonIE_Sodium_Core_Util::chrToInt($q[$i]);
}
/* branch-free variant of === 0 */
if (-(1 & (($d - 1) >> 8))) {
throw new SodiumException('Zero public key is not allowed');
}
}
