ParagonIE_Sodium_Core_Curve25519::fe_isnonzero( ParagonIE_Sodium_Core_Curve25519_Fe $f ): bool

Parameters

$fParagonIE_Sodium_Core_Curve25519_Fe

Return

bool

Uses · 2

• ParagonIE_Sodium_Core_Curve25519::fe_tobytes()Convert a field element to a byte string.
• ParagonIE_Sodium_Core_Curve25519::verify_32()

Used by · 1

• ParagonIE_Sodium_Core_Curve25519::ge_frombytes_negate_vartime()

Source

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321    public static function fe_isnonzero(ParagonIE_Sodium_Core_Curve25519_Fe $f)322    {323        static $zero;324        if ($zero === null) {325            $zero = str_repeat("\x00", 32);326        }327        /** @var string $zero */328        /** @var string $str */329        $str = self::fe_tobytes($f);330        return !self::verify_32($str, (string) $zero);331    }

History

Unchanged from 6.7.7 through 7.1.0.

1. 6.7.7
2. 6.8.8
3. 6.9.7
4. 7.0.4
5. 7.1.0

Signature, return type and hooks compared across 5 parsed releases.

About this page

Parsed data

Generated from the wordpress-develop 7.1.0 tag, from src/wp-includes/sodium_compat/src/Core/Curve25519.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.

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