ParagonIE_Sodium_Core32_Curve25519::fe_sub() public WP 1.0

Subtract two field elements.

h = f - g

Preconditions:
|f| bounded by 1.12^25,1.12^24,1.12^25,1.12^24,etc.
|g| bounded by 1.12^25,1.12^24,1.12^25,1.12^24,etc.

Postconditions:
|h| bounded by 1.12^26,1.12^25,1.12^26,1.12^25,etc.

{} Это метод класса: ParagonIE_Sodium_Core32_Curve25519{}

Хуков нет.

Возвращает

ParagonIE_Sodium_Core32_Curve25519_Fe.

Использование

$result = ParagonIE_Sodium_Core32_Curve25519::fe_sub( $f, $g );

$f(ParagonIE_Sodium_Core32_Curve25519_Fe) (обязательный)

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$g(ParagonIE_Sodium_Core32_Curve25519_Fe) (обязательный)

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Код ParagonIE_Sodium_Core32_Curve25519::fe_sub() ParagonIE Sodium Core32 Curve25519::fe sub ^{WP 5.8}

<?php
public static function fe_sub(ParagonIE_Sodium_Core32_Curve25519_Fe $f, ParagonIE_Sodium_Core32_Curve25519_Fe $g)
{
    return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray(
        array(
            $f[0]->subInt32($g[0]),
            $f[1]->subInt32($g[1]),
            $f[2]->subInt32($g[2]),
            $f[3]->subInt32($g[3]),
            $f[4]->subInt32($g[4]),
            $f[5]->subInt32($g[5]),
            $f[6]->subInt32($g[6]),
            $f[7]->subInt32($g[7]),
            $f[8]->subInt32($g[8]),
            $f[9]->subInt32($g[9])
        )
    );
}