ParagonIE_Sodium_Core_SipHash::sipRound() public WP 1.0

{} It's a method of the class: ParagonIE_Sodium_Core_SipHash{}

No Hooks.

Return

Int[].

Usage

$result = ParagonIE_Sodium_Core_SipHash::sipRound( $v );

$v(array) (required)

-

Code of ParagonIE_Sodium_Core_SipHash::sipRound() ParagonIE Sodium Core SipHash::sipRound ^{WP 5.8.2}

public static function sipRound(array $v)
{
    # v0 += v1;
    list($v[0], $v[1]) = self::add(
        array($v[0], $v[1]),
        array($v[2], $v[3])
    );

    #  v1=ROTL(v1,13);
    list($v[2], $v[3]) = self::rotl_64((int) $v[2], (int) $v[3], 13);

    #  v1 ^= v0;
    $v[2] = (int) $v[2] ^ (int) $v[0];
    $v[3] = (int) $v[3] ^ (int) $v[1];

    #  v0=ROTL(v0,32);
    list($v[0], $v[1]) = self::rotl_64((int) $v[0], (int) $v[1], 32);

    # v2 += v3;
    list($v[4], $v[5]) = self::add(
        array((int) $v[4], (int) $v[5]),
        array((int) $v[6], (int) $v[7])
    );

    # v3=ROTL(v3,16);
    list($v[6], $v[7]) = self::rotl_64((int) $v[6], (int) $v[7], 16);

    #  v3 ^= v2;
    $v[6] = (int) $v[6] ^ (int) $v[4];
    $v[7] = (int) $v[7] ^ (int) $v[5];

    # v0 += v3;
    list($v[0], $v[1]) = self::add(
        array((int) $v[0], (int) $v[1]),
        array((int) $v[6], (int) $v[7])
    );

    # v3=ROTL(v3,21);
    list($v[6], $v[7]) = self::rotl_64((int) $v[6], (int) $v[7], 21);

    # v3 ^= v0;
    $v[6] = (int) $v[6] ^ (int) $v[0];
    $v[7] = (int) $v[7] ^ (int) $v[1];

    # v2 += v1;
    list($v[4], $v[5]) = self::add(
        array((int) $v[4], (int) $v[5]),
        array((int) $v[2], (int) $v[3])
    );

    # v1=ROTL(v1,17);
    list($v[2], $v[3]) = self::rotl_64((int) $v[2], (int) $v[3], 17);

    #  v1 ^= v2;;
    $v[2] = (int) $v[2] ^ (int) $v[4];
    $v[3] = (int) $v[3] ^ (int) $v[5];

    # v2=ROTL(v2,32)
    list($v[4], $v[5]) = self::rotl_64((int) $v[4], (int) $v[5], 32);

    return $v;
}