ParagonIE_Sodium_Core_X25519::fe_mul121666( ParagonIE_Sodium_Core_Curve25519_Fe $f ): ParagonIE_Sodium_Core_Curve25519_Fe

67    public static function fe_mul121666(ParagonIE_Sodium_Core_Curve25519_Fe $f)68    {69        $h0 = self::mul($f->e0, 121666, 17);70        $h1 = self::mul($f->e1, 121666, 17);71        $h2 = self::mul($f->e2, 121666, 17);72        $h3 = self::mul($f->e3, 121666, 17);73        $h4 = self::mul($f->e4, 121666, 17);74        $h5 = self::mul($f->e5, 121666, 17);75        $h6 = self::mul($f->e6, 121666, 17);76        $h7 = self::mul($f->e7, 121666, 17);77        $h8 = self::mul($f->e8, 121666, 17);78        $h9 = self::mul($f->e9, 121666, 17);79 80        $carry9 = ($h9 + (1 << 24)) >> 25;81        $h0 += self::mul($carry9, 19, 5);82        $h9 -= $carry9 << 25;83 84        $carry1 = ($h1 + (1 << 24)) >> 25;85        $h2 += $carry1;86        $h1 -= $carry1 << 25;87 88        $carry3 = ($h3 + (1 << 24)) >> 25;89        $h4 += $carry3;90        $h3 -= $carry3 << 25;91 92        $carry5 = ($h5 + (1 << 24)) >> 25;93        $h6 += $carry5;94        $h5 -= $carry5 << 25;95 96        $carry7 = ($h7 + (1 << 24)) >> 25;97        $h8 += $carry7;98        $h7 -= $carry7 << 25;99 100 101        $carry0 = ($h0 + (1 << 25)) >> 26;102        $h1 += $carry0;103        $h0 -= $carry0 << 26;104 105        $carry2 = ($h2 + (1 << 25)) >> 26;106        $h3 += $carry2;107        $h2 -= $carry2 << 26;108 109        $carry4 = ($h4 + (1 << 25)) >> 26;110        $h5 += $carry4;111        $h4 -= $carry4 << 26;112 113        $carry6 = ($h6 + (1 << 25)) >> 26;114        $h7 += $carry6;115        $h6 -= $carry6 << 26;116 117        $carry8 = ($h8 + (1 << 25)) >> 26;118        $h9 += $carry8;119        $h8 -= $carry8 << 26;120        return new ParagonIE_Sodium_Core_Curve25519_Fe($h0, $h1, $h2, $h3, $h4, $h5, $h6, $h7, $h8, $h9);121    }