ArcadyanKeygen.java

package org.exobel.routerkeygen.algorithms;

import android.os.Parcel;
import android.os.Parcelable;

import org.exobel.routerkeygen.R;

import java.util.List;
import java.util.Locale;

public class ArcadyanKeygen extends Keygen {

    public static final Parcelable.Creator<ArcadyanKeygen> CREATOR = new Parcelable.Creator<ArcadyanKeygen>() {
        public ArcadyanKeygen createFromParcel(Parcel in) {
            return new ArcadyanKeygen(in);
        }

        public ArcadyanKeygen[] newArray(int size) {
            return new ArcadyanKeygen[size];
        }
    };

    public ArcadyanKeygen(String ssid, String mac) {
        super(ssid, mac);
    }

    private ArcadyanKeygen(Parcel in) {
        super(in);
    }

    @Override
    public int getSupportState() {
        if (getSsidName().matches(
                "(Arcor|EasyBox|Vodafone|WLAN)(-| )[0-9a-fA-F]{6}")
                || getSsidName().matches("Vodafone[0-9a-zA-Z]{4}"))
            return SUPPORTED;
        return UNLIKELY_SUPPORTED;
    }

    @Override
    public List<String> getKeys() {
        final String mac = getMacAddress();
        if (mac.length() != 12) {
            setErrorCode(R.string.msg_errpirelli);
            return null;
        }
        String C1 = Integer.toString(Integer.parseInt(mac.substring(8), 16));

        while (C1.length() < 5)
            C1 = "0" + C1;

        final char S7 = C1.charAt(1);
        final char S8 = C1.charAt(2);
        final char S9 = C1.charAt(3);
        final char S10 = C1.charAt(4);
        final char M9 = mac.charAt(8);
        final char M10 = mac.charAt(9);
        final char M11 = mac.charAt(10);
        final char M12 = mac.charAt(11);

        final String tmpK1 = Integer.toHexString(Character.digit(S7, 16)
                + Character.digit(S8, 16) + Character.digit(M11, 16)
                + Character.digit(M12, 16));
        final String tmpK2 = Integer.toHexString(Character.digit(M9, 16)
                + Character.digit(M10, 16) + Character.digit(S9, 16)
                + Character.digit(S10, 16));

        final char K1 = tmpK1.charAt(tmpK1.length() - 1);
        final char K2 = tmpK2.charAt(tmpK2.length() - 1);

        final String X1 = Integer.toHexString(Character.digit(K1, 16)
                ^ Character.digit(S10, 16));
        final String X2 = Integer.toHexString(Character.digit(K1, 16)
                ^ Character.digit(S9, 16));
        final String X3 = Integer.toHexString(Character.digit(K1, 16)
                ^ Character.digit(S8, 16));
        final String Y1 = Integer.toHexString(Character.digit(K2, 16)
                ^ Character.digit(M10, 16));
        final String Y2 = Integer.toHexString(Character.digit(K2, 16)
                ^ Character.digit(M11, 16));
        final String Y3 = Integer.toHexString(Character.digit(K2, 16)
                ^ Character.digit(M12, 16));
        final String Z1 = Integer.toHexString(Character.digit(M11, 16)
                ^ Character.digit(S10, 16));
        final String Z2 = Integer.toHexString(Character.digit(M12, 16)
                ^ Character.digit(S9, 16));
        final String Z3 = Integer.toHexString(Character.digit(K1, 16)
                ^ Character.digit(K2, 16));

        final String wpaKey = X1 + Y1 + Z1 + X2 + Y2 + Z2 + X3 + Y3 + Z3;
        addPassword(wpaKey.toUpperCase(Locale.getDefault()));

        if (wpaKey.indexOf('0') != -1) {
            addPassword(wpaKey.replace("0", "1").toUpperCase(Locale.getDefault()));
        }
        return getResults();
    }
}