ParagonIE_Sodium_Core32_Curve25519

16abstract class ParagonIE_Sodium_Core32_Curve25519 extends ParagonIE_Sodium_Core32_Curve25519_H17{18    /**19     * Get a field element of size 10 with a value of 020     *21     * @internal You should not use this directly from another application22     *23     * @return ParagonIE_Sodium_Core32_Curve25519_Fe24     * @throws SodiumException25     * @throws TypeError26     */27    public static function fe_0()28    {29        return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray(30            array(31                new ParagonIE_Sodium_Core32_Int32(),32                new ParagonIE_Sodium_Core32_Int32(),33                new ParagonIE_Sodium_Core32_Int32(),34                new ParagonIE_Sodium_Core32_Int32(),35                new ParagonIE_Sodium_Core32_Int32(),36                new ParagonIE_Sodium_Core32_Int32(),37                new ParagonIE_Sodium_Core32_Int32(),38                new ParagonIE_Sodium_Core32_Int32(),39                new ParagonIE_Sodium_Core32_Int32(),40                new ParagonIE_Sodium_Core32_Int32()41            )42        );43    }44 45    /**46     * Get a field element of size 10 with a value of 147     *48     * @internal You should not use this directly from another application49     *50     * @return ParagonIE_Sodium_Core32_Curve25519_Fe51     * @throws SodiumException52     * @throws TypeError53     */54    public static function fe_1()55    {56        return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray(57            array(58                ParagonIE_Sodium_Core32_Int32::fromInt(1),59                new ParagonIE_Sodium_Core32_Int32(),60                new ParagonIE_Sodium_Core32_Int32(),61                new ParagonIE_Sodium_Core32_Int32(),62                new ParagonIE_Sodium_Core32_Int32(),63                new ParagonIE_Sodium_Core32_Int32(),64                new ParagonIE_Sodium_Core32_Int32(),65                new ParagonIE_Sodium_Core32_Int32(),66                new ParagonIE_Sodium_Core32_Int32(),67                new ParagonIE_Sodium_Core32_Int32()68            )69        );70    }71 72    /**73     * Add two field elements.74     *75     * @internal You should not use this directly from another application76     *77     * @param ParagonIE_Sodium_Core32_Curve25519_Fe $f78     * @param ParagonIE_Sodium_Core32_Curve25519_Fe $g79     * @return ParagonIE_Sodium_Core32_Curve25519_Fe80     * @throws SodiumException81     * @throws TypeError82     * @psalm-suppress MixedAssignment83     * @psalm-suppress MixedMethodCall84     */85    public static function fe_add(86        ParagonIE_Sodium_Core32_Curve25519_Fe $f,87        ParagonIE_Sodium_Core32_Curve25519_Fe $g88    ) {89        $arr = array();90        for ($i = 0; $i < 10; ++$i) {91            $arr[$i] = $f[$i]->addInt32($g[$i]);92        }93        /** @var array<int, ParagonIE_Sodium_Core32_Int32> $arr */94        return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray($arr);95    }