added proto for audit

.gitignore

@@ -36,3 +36,5 @@ testem.log
 bundle.js
 bundle.d.ts
 
+/voting-booth-gui/meerkat_election_params_tempfile.dat
+/voting-booth-gui/meerkat_booth_system_messages.dat

gradle/wrapper/gradle-wrapper.properties

@@ -3,5 +3,5 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https://services.gradle.org/distributions/gradle-4.2.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.0-all.zip
-distributionSha256Sum=7897b59fb45148cd8a79f078e5e4cef3861a252dd1a1af729d0c6e8a0a8703a8
+distributionSha256Sum=a0af75d3d35799a90f56255a24de69c53cd9aea90f0b532586c8f818668e1734

local.properties_does_not_work

@@ -0,0 +1 @@
+sdk.dir=C\:/Users/Laura/AppData/Local/Android/sdk

meerkat-common/src/main/proto/meerkat/voting.proto

@@ -81,6 +81,12 @@ message BallotSecrets {
 
     EncryptionRandomness encryption_randomness = 2;
     RandomnessGenerationProof proof = 3;
+    uint64 serial_number = 4; // Ballot serial number
+}
+
+message SignedBallotSecrets {
+    BallotSecrets ballot_secrets = 1;
+    Signature signature = 2;
 }
 
 message BoothParams {

mixer/docs/mixer.md

@@ -15,7 +15,7 @@ For future compatibility, each ciphertext actually written to disk is encoded as
 Ciphertexts are serialized using the [ElGamalCiphertext](concrete_crypto.proto) message, with fields "c1" and "c2" for the first and second group elements.
 
 ### EC Group elements
-Group elements use the [GroupElement](concrete_crypto.proto) message. Its only field is "data", which should be an ASN.1-encoded curve point with compression (see section 4.3.6 of  [X9.62-1998](https://www.security-audit.com/files/x9-62-09-20-98.pdf) "Public Key Cryptography For The Financial Services Industry: The Elliptic Curve Digital  Signature Algorithm (ECDSA)")
+Group elements use the [GroupElement](concrete_crypto.proto) message. It's only field is "data", which should be an ASN.1-encoded curve point with compression (see section 4.3.6 of  [X9.62-1998](https://www.security-audit.com/files/x9-62-09-20-98.pdf) "Public Key Cryptography For The Financial Services Industry: The Elliptic Curve Digital  Signature Algorithm (ECDSA)")
 
 ### EC-ElGamal Key Format
 The ECElGamal Key is stored in the [ElGamalPublicKey](concrete_crypto.proto) message that contains a standard DER-encoded SubjectPublicKeyInfo as in [RFC 3279](https://tools.ietf.org/html/rfc3279)  (note that this encoding includes the elliptic-curve group parameters).

scanner-api-common/src/main/proto/meerkat/polling_station.proto

@@ -41,6 +41,11 @@ message ScannedBallot {
 
 }
 
+//Container for auditing messages
+message ScannedAudit {
+    SignedBallotSecrets signed_ballot_secrets = 1;
+}
+
 // Container for error messages
 message ScanError {
     string msg = 1;
@@ -49,12 +54,14 @@ message ScanError {
 
 // Container for scanned data
 message ScannedData {
+    uint64 serial = 1; // Serial number of the message
+    bytes scannerId = 2; // hash of the scannerPK
     oneof data {
-        ScannedBallot ballot = 2;
+        ScannedBallot ballot = 3;
-        ScanError error = 3;
+        ScanError error = 4;
+        ScannedAudit audit_ballot = 5;
     }
-    uint64 serial = 4; // Serial number of the message
+
-    bytes scannerId = 5; // hash of the scannerPK
 }
 
 message SignedScannedData {

voting-booth-gui/src/main/java/meerkat/voting/gui/controllersFX/ChannelChoiceController.java

@@ -31,8 +31,8 @@ public class ChannelChoiceController {
     String questionText;
 
     @FXML ToggleGroup answerGroup;
-    @FXML private Text question;
+//    @FXML private Text question;
-    @FXML private Text warningMsg;
+//    @FXML private Text warningMsg;
     @FXML private Pane questionPane;
 
     @FXML
@@ -72,13 +72,17 @@ public class ChannelChoiceController {
 
     private void showCodeSelection() {
         questionText = "Here we show code pad.";
-        question.setText(questionText);
+        questionPane.getChildren().clear();
+        Text txt = new Text();
+        questionPane.getChildren().add(txt);
+        txt.setText(questionText);
+//        question.setText(questionText);
     }
 
     private void showQuestion() {
             Voting.BallotQuestion ballotQuestion = questions.get(index);
             questionText = "Please answer this question before voting:";
-            question.setText(questionText);
+//            question.setText(questionText);
             answerGroup.getToggles().clear();
             VBox vbox = VistaNavigator.uiThread.showQuestionInFX(ballotQuestion, answerGroup);
             questionPane.getChildren().clear();
@@ -87,8 +91,10 @@ public class ChannelChoiceController {
 
     private void showError() {
         questionText = "There was an error reading the channel, please go back to polling station.";
-        question.setText(questionText);
+//        question.setText(questionText);
-
+        questionPane.getChildren().clear();
+        Text txt = new Text();
+        questionPane.getChildren().add(txt);
     }
 
     @FXML
@@ -97,6 +103,8 @@ public class ChannelChoiceController {
             String s = answerGroup.getSelectedToggle().getUserData().toString();
             answers.add(UIUtils.translateStringAnswerToProtoBufMessageAnswer(s));
         } else {
+            Text warningMsg = new Text();
+            questionPane.getChildren().add(0,warningMsg);
             warningMsg.setText("(Please give an answer to continue)");
         }
         if (answers.size()!=0) {

voting-booth-gui/src/main/java/meerkat/voting/gui/controllersFX/MainController.java

@@ -4,9 +4,14 @@ package meerkat.voting.gui.controllersFX;
  * Created by Laura on 12/16/2016.
  */
 import javafx.fxml.FXML;
+import javafx.geometry.Insets;
 import javafx.scene.Node;
 import javafx.scene.Parent;
+import javafx.scene.layout.Background;
+import javafx.scene.layout.BackgroundFill;
+import javafx.scene.layout.CornerRadii;
 import javafx.scene.layout.StackPane;
+import javafx.scene.paint.Color;
 import meerkat.protobuf.Voting;
 import meerkat.voting.controller.callbacks.VoterCancelThrowable;
 import meerkat.voting.gui.ui.CommandPend;
@@ -38,6 +43,7 @@ public class MainController {
      * @param node the vista node to be swapped in.
      */
     public void setVista(Node node) {
+//        vistaHolder.setBackground(new Background(new BackgroundFill(Color.web("#D1B6E1"), CornerRadii.EMPTY, Insets.EMPTY)));
         vistaHolder.getChildren().setAll(node);
     }
 

voting-booth-gui/src/main/java/meerkat/voting/gui/controllersFX/PrinterController.java

@@ -6,16 +6,19 @@ package meerkat.voting.gui.controllersFX;
 import javafx.embed.swing.SwingFXUtils;
 import javafx.fxml.FXML;
 import javafx.scene.Node;
+import javafx.scene.control.*;
 import javafx.scene.control.Label;
 import javafx.scene.image.Image;
 import javafx.scene.image.ImageView;
 import javafx.scene.layout.StackPane;
 import javafx.scene.layout.VBox;
+import javafx.scene.control.ScrollPane;
 import javafx.scene.text.Text;
 import meerkat.voting.gui.ui.CommandPend;
 import meerkat.voting.gui.ui.uicommands.UICommand;
 
 import javax.imageio.ImageIO;
+import java.awt.*;
 import java.awt.image.BufferedImage;
 import java.io.IOException;
 import java.io.InputStream;
@@ -26,10 +29,9 @@ import java.io.InputStream;
 public class PrinterController {
 
     /** Holder of vista. */
-    @FXML
+    @FXML private VBox vBox;
-    private VBox vBox;
+    @FXML private ScrollPane scrollPane;
-    @FXML
+    @FXML private Text content;
-    private Text content;
 
 
     public void clean() {
@@ -40,6 +42,7 @@ public class PrinterController {
         Text txt = new Text(s);
         vBox.getChildren().add(txt);
         vBox.getScene().getWindow().sizeToScene();
+        adjustScrolling(vBox);
     }
 
     public void addContent(BufferedImage i) {
@@ -50,6 +53,20 @@ public class PrinterController {
 //        String old_content = content.getText();
 //        content.setText(old_content+"\n"+s);
         vBox.getScene().getWindow().sizeToScene();
+        adjustScrolling(vBox);
+    }
+
+    private void adjustScrolling(VBox content) {
+        scrollPane.setContent(content);
+        scrollPane.setFitToHeight(true);
+    }
+
+    public void addSeparator() {
+        Separator sep = new Separator();
+        sep.setMaxWidth(vBox.getPrefWidth());
+        vBox.getChildren().add(sep);
+        adjustScrolling(vBox);
+
     }
 
 }

voting-booth-gui/src/main/java/meerkat/voting/gui/controllersFX/VistaNavigator.java

@@ -170,6 +170,19 @@ public class VistaNavigator {
         );
     }
 
+    /**
+     * Prints an horizontal separator into the printer application layout.
+     */
+    public static void printFXSeparator() {
+        Platform.runLater(new Runnable() {
+                              @Override
+                              public void run() {
+                                  printerController.addSeparator();
+                              }
+                          }
+        );
+    }
+
     /**
      * Loads the 'LOADING' vista
      * vistaHolder pane of the main application layout.

voting-booth-gui/src/main/java/meerkat/voting/gui/controllersFX/VotingController.java

@@ -1,11 +1,21 @@
 package meerkat.voting.gui.controllersFX;
 
 import javafx.fxml.FXML;
+import javafx.geometry.HPos;
+import javafx.geometry.Pos;
+import javafx.scene.control.Button;
+import javafx.scene.control.ScrollPane;
+import javafx.scene.control.Separator;
 import javafx.scene.control.ToggleGroup;
+import javafx.scene.layout.HBox;
 import javafx.scene.layout.Pane;
 import javafx.scene.layout.VBox;
+import javafx.scene.text.Font;
+import javafx.scene.text.FontWeight;
 import javafx.scene.text.Text;
+import javafx.scene.text.TextAlignment;
 import meerkat.protobuf.Voting;
+import meerkat.voting.VotingBooth;
 import meerkat.voting.controller.callbacks.VoterCancelThrowable;
 import meerkat.voting.gui.ui.UIUtils;
 import meerkat.voting.gui.ui.uicommands.RaceVotingUICommand;
@@ -31,13 +41,16 @@ public class VotingController {
     RaceVotingUICommand command = (RaceVotingUICommand) VistaNavigator.getCurrentCommand();
 
     @FXML ToggleGroup answerGroup;
-    @FXML private Text question;
+    @FXML private Text currentPage;
-    @FXML private Pane questionPane;
+    @FXML private Text totalPage;
+    @FXML private ScrollPane questionPane;
+    @FXML private Button nextButton;
 
     @FXML
     public void initialize() {
         questions = command.getQuestions();
         answerGroup = new ToggleGroup();
+        totalPage.setText(""+(questions.size()+1));
         showQuestion();
     }
 
@@ -53,23 +66,70 @@ public class VotingController {
             answers.add(UIUtils.translateStringAnswerToProtoBufMessageAnswer(s));
             index++;
         }
+        if (nextButton.getText().equals("Confirm")) {
+            index++;
+        }
         if (index < questions.size()) {
             showQuestion();
+        } else {
+            if (index == questions.size()) {
+                showSummary();
             } else {
                 //return answers to main threads
                 nextPane();
             }
         }
+    }
 
     private void showQuestion() {
             Voting.BallotQuestion ballotQuestion = questions.get(index);
-            question.setText("This is question n. "+index);
+            //question.setText("This is question n. "+index);
+            currentPage.setText("Page "+(index+1));
             answerGroup.getToggles().clear();
             VBox vbox = VistaNavigator.uiThread.showQuestionInFX(ballotQuestion, answerGroup);
-            questionPane.getChildren().clear();
+            nextButton.setText("Next");
-            questionPane.getChildren().addAll(vbox);
+            questionPane.setContent(vbox);
+            questionPane.setFitToHeight(true);
+            //questionPane.getChildren().clear();
+//            questionPane.getChildren().addAll(vbox);
     }
 
+    private void showSummary() {
+//        Voting.BallotQuestion ballotQuestion = questions.get(index);
+        currentPage.setText("Page "+(index+1));
+        answerGroup.getToggles().clear();
+        VBox vbox = new VBox();//VistaNavigator.uiThread.showQuestionInFX(ballotQuestion, answerGroup);
+        vbox.setPrefWidth(questionPane.getPrefWidth()-30);
+        /*Set title of summary*/
+        Text title = new Text("Almost done!");
+        title.setFont(Font.font("System", FontWeight.BOLD, 24));
+        vbox.getChildren().add(title);
+        /*Set subtitle of summary*/
+        Text subtitle = new Text("Review your selections. If you are satisfied, press confirm.");
+        subtitle.setFont(Font.font("System", FontWeight.BOLD, 18));
+        subtitle.setStyle("-fx-margin: 0 0 70 0;");
+        vbox.getChildren().add(subtitle);
+        /*Create summery*/
+        for (int i=0; i<questions.size(); i++) {
+            String qst = UIUtils.bytesToString(questions.get(i).getQuestion().getData());
+            int a_i = (int) answers.get(i).getAnswer(0);
+            String ans = UIUtils.bytesToString(questions.get(i).getAnswer(a_i-1).getData());
+            Text qst_txt = new Text((i+1)+". "+qst);
+            Text ans_txt = new Text(ans);
+            Separator sep = new Separator();
+            sep.setMaxWidth(vbox.getPrefWidth());
+            vbox.getChildren().add(sep);
+            vbox.getChildren().add(qst_txt);
+            vbox.getChildren().add(ans_txt);
+        }
+        vbox.setAlignment(Pos.CENTER);
+        nextButton.setText("Confirm");
+        questionPane.setContent(vbox);
+        questionPane.setFitToHeight(true);
+
+    }
+
+
     @FXML
     private void goBack() throws VoterCancelThrowable{
         if (index == 0) {

voting-booth-gui/src/main/java/meerkat/voting/gui/output/FXWindowOutputDevice.java

@@ -6,11 +6,9 @@ import com.google.zxing.WriterException;
 import meerkat.protobuf.Crypto.EncryptionRandomness;
 import meerkat.protobuf.Crypto.RandomnessGenerationProof;
 import meerkat.protobuf.PollingStation;
-import meerkat.protobuf.PollingStation.ScannedData;
+import meerkat.protobuf.Voting;
 import meerkat.protobuf.Voting.BallotSecrets;
 import meerkat.protobuf.Voting.PlaintextBallot;
-import meerkat.protobuf.Voting.SignedEncryptedBallot;
-import meerkat.rest.Constants;
 import meerkat.voting.gui.controllersFX.VistaNavigator;
 import meerkat.voting.output.AsyncRunnableOutputDevice;
 import meerkat.voting.output.outputcommands.AuditOutputCommand;
@@ -20,7 +18,6 @@ import meerkat.voting.output.outputcommands.CommitOutputCommand;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import javax.ws.rs.client.Entity;
 import java.awt.image.BufferedImage;
 import java.io.IOException;
 import java.util.Base64;
@@ -49,7 +46,7 @@ public class FXWindowOutputDevice extends AsyncRunnableOutputDevice {
         ByteString channel = command.getChannelIdentifierByteString();
         printPlainText(plaintextBallot, channel);
 
-        printEncryptedText(plaintextBallot, command);
+        printCommitBallot(plaintextBallot, command);
     }
 
 
@@ -60,11 +57,11 @@ public class FXWindowOutputDevice extends AsyncRunnableOutputDevice {
      */
     public void doAudit(AuditOutputCommand command) {
         logger.debug("entered method doAudit");
-        String msg = "Auditing";
+        VistaNavigator.printFXSeparator();
-        VistaNavigator.printFX(msg);
         BallotSecrets ballotSecrets = command.getBallotSecrets();
-        printEncryptionRandomness(ballotSecrets.getEncryptionRandomness());
+//        printEncryptionRandomness(ballotSecrets.getEncryptionRandomness());
-        printRandomnessGenerationProof (ballotSecrets.getProof());
+//        printRandomnessGenerationProof (ballotSecrets.getProof());
+        printAuditBallot(ballotSecrets);
         command.getCallback().onSuccess(null);
     }
 
@@ -105,19 +102,15 @@ public class FXWindowOutputDevice extends AsyncRunnableOutputDevice {
         VistaNavigator.printFX(toPrint);
     }
 
-    private void printEncryptedText(PlaintextBallot plaintextBallot, CommitOutputCommand command) {
+    private void printCommitBallot(PlaintextBallot plaintextBallot, CommitOutputCommand command) {
-        String encryptedText;
-        SignedEncryptedBallot signedEncryptedBallot = command.getSignedEncryptedBallot();
-        long encryptedSerialNumber = signedEncryptedBallot.getEncryptedBallot().getSerialNumber();
-        long plaintextSerialNumber = plaintextBallot.getSerialNumber();
-
         String toPrint = "";
-        toPrint+="Commitment of Ballot #" + encryptedSerialNumber + " (ciphertext):";
+        toPrint+="Commitment of Ballot #" + command.getSignedEncryptedBallot().getEncryptedBallot().getSerialNumber() + " (ciphertext):";
         toPrint+="\n";
         VistaNavigator.printFX(toPrint);
-        if (plaintextSerialNumber != encryptedSerialNumber) {
+
+        if (plaintextBallot.getSerialNumber() != command.getSignedEncryptedBallot().getEncryptedBallot().getSerialNumber()) {
             logger.error("plaintext and encryption serial numbers do not match!! plaintext# = " +
-                    plaintextSerialNumber + ", ciphertext# = " + encryptedSerialNumber);
+                    plaintextBallot.getSerialNumber() + ", ciphertext# = " + command.getSignedEncryptedBallot().getEncryptedBallot().getSerialNumber());
         }
 
         PollingStation.ScannedBallot scannedBallot = PollingStation.ScannedBallot.newBuilder()
@@ -125,15 +118,15 @@ public class FXWindowOutputDevice extends AsyncRunnableOutputDevice {
                 .setSignedEncryptedBallot(command.getSignedEncryptedBallot())
                 .build();
 
-        System.out.println(scannedBallot.getSerializedSize());
+        logger.info("ScannedBallot serialized size: "+scannedBallot.getSerializedSize());
-        encryptedText = Base64.getEncoder().encodeToString(scannedBallot.toByteArray());
+        String encryptedText = Base64.getEncoder().encodeToString(scannedBallot.toByteArray());
 
         try {
             PollingStation.ScannedBallot result = PollingStation.ScannedBallot.parseFrom(Base64.getDecoder().decode(encryptedText.getBytes()));
             System.out.println(result.getChannel());
             System.out.println(command.getChannelIdentifierByteString());
         } catch (InvalidProtocolBufferException e) {
-            e.printStackTrace();
+            command.getCallback().onFailure(e);
         }
 
         try {
@@ -147,10 +140,43 @@ public class FXWindowOutputDevice extends AsyncRunnableOutputDevice {
 
     }
 
-    private void printQRCode(String toQRCode, int size) throws IOException, WriterException {
+    private void printAuditBallot(BallotSecrets ballotSecrets) {
-        BufferedImage image = null;
+        String toPrint = "";
-        image = GenerateQRCode.createQRImage(toQRCode, size);
+        toPrint+="Audit of Ballot";// + command.getSignedEncryptedBallot().getEncryptedBallot().getSerialNumber() + " (ciphertext):";
-        VistaNavigator.printFX(image);
+        toPrint+="\n";
+        VistaNavigator.printFX(toPrint);
+
+        //generate the PollingStation.<protobuf> corresponding to [ballotID, plaintext, randomness, Signed(ballotID, plaintext, randomness)]
+        PollingStation.ScannedAudit scannedAudit = PollingStation.ScannedAudit.newBuilder()
+                .setSignedBallotSecrets(ballotSecrets);
+//        PollingStation.ScannedBallot scannedBallot = PollingStation.ScannedBallot.newBuilder()
+//                .setChannel(command.getChannelIdentifierByteString())
+//                .setSignedEncryptedBallot(command.getSignedEncryptedBallot())
+//                .build();
+
+        //encode to String
+//        logger.info("ScannedAudit serialized size: "+scannedBallot.getSerializedSize());
+//        String auditText = Base64.getEncoder().encodeToString(scannedBallot.toByteArray());
+
+        //check that decoding encoded gives same as original
+//        try {
+//            PollingStation.ScannedBallot result = PollingStation.ScannedBallot.parseFrom(Base64.getDecoder().decode(auditText.getBytes()));
+//            System.out.println(result.getChannel());
+//            System.out.println(command.getChannelIdentifierByteString());
+//        } catch (InvalidProtocolBufferException e) {
+//            command.getCallback().onFailure(e);
+//        }
+
+        //print to FX
+//        try {
+//            printQRCode(auditText, 250);
+//            command.getCallback().onSuccess(null);
+//        } catch (IOException e) {
+//            command.getCallback().onFailure(e);
+//        } catch (WriterException e) {
+//            command.getCallback().onFailure(e);
+//        }
+
     }
 
     private void printEncryptionRandomness (EncryptionRandomness encryptionRandomness) {
@@ -167,6 +193,16 @@ public class FXWindowOutputDevice extends AsyncRunnableOutputDevice {
         VistaNavigator.printFX(msg);
     }
 
+    /**
+     * Creates an image of the QRcode with the String toQRCode in it and displays it to the virtual printer (FX window)
+     * @param toQRCode a String that contains the text to encode into the QRcode
+     * @param size the size of the QRcode (we use 250 for testing)
+     */
+    private void printQRCode(String toQRCode, int size) throws IOException, WriterException {
+        BufferedImage image = null;
+        image = GenerateQRCode.createQRImage(toQRCode, size);
+        VistaNavigator.printFX(image);
+    }
 
     /*
      * Returns the UTF8 decoding of byte-string data

voting-booth-gui/src/main/resources/views/channel_choice.fxml

@@ -2,13 +2,10 @@
 
 <?import javafx.scene.control.Button?>
 <?import javafx.scene.layout.Pane?>
-<?import javafx.scene.text.Text?>
 
 <Pane maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="400.0" prefWidth="600.0" xmlns="http://javafx.com/javafx/8.0.112" xmlns:fx="http://javafx.com/fxml/1" fx:controller="meerkat.voting.gui.controllersFX.ChannelChoiceController">
    <children>
       <Button layoutX="469.0" layoutY="343.0" mnemonicParsing="false" onMousePressed="#nextPane" prefHeight="39.0" prefWidth="109.0" text="Next" />
-      <Text fx:id="question" layoutX="84.0" layoutY="89.0" strokeType="OUTSIDE" strokeWidth="0.0" text="Channel selection:" wrappingWidth="431.3046875" />
+      <Pane fx:id="questionPane" layoutX="1.0" layoutY="-1.0" prefHeight="326.0" prefWidth="600.0" />
-      <Pane fx:id="questionPane" layoutX="84.0" layoutY="97.0" prefHeight="234.0" prefWidth="422.0" />
-      <Text fx:id="warningMsg" fill="#ee0909" layoutX="82.0" layoutY="64.0" strokeType="OUTSIDE" strokeWidth="0.0" wrappingWidth="431.3046875" />
    </children>
 </Pane>

voting-booth-gui/src/main/resources/views/main.fxml

@@ -6,7 +6,7 @@
 <?import javafx.scene.layout.VBox?>
 <?scenebuilder-stylesheet vista.css?>
 
-<VBox prefHeight="709.0" prefWidth="1259.0" xmlns="http://javafx.com/javafx/8.0.111" xmlns:fx="http://javafx.com/fxml/1" fx:controller="meerkat.voting.gui.controllersFX.MainController">
+<VBox prefHeight="709.0" prefWidth="1259.0" xmlns="http://javafx.com/javafx/8.0.112" xmlns:fx="http://javafx.com/fxml/1" fx:controller="meerkat.voting.gui.controllersFX.MainController">
     <children>
         <Label fx:id="headerLabel" maxWidth="1.7976931348623157E308" prefHeight="70.0" prefWidth="1162.0" text="Header of Election" textFill="#939090" VBox.vgrow="NEVER">
          <VBox.margin>
@@ -15,6 +15,9 @@
         <StackPane fx:id="vistaHolder" prefHeight="553.0" prefWidth="1259.0" VBox.vgrow="ALWAYS">
          <VBox.margin>
             <Insets bottom="70.0" />
-         </VBox.margin></StackPane>
+         </VBox.margin>
+         <padding>
+            <Insets bottom="30.0" left="30.0" right="30.0" top="30.0" />
+         </padding></StackPane>
     </children>
 </VBox>

voting-booth-gui/src/main/resources/views/printer.fxml

@@ -1,10 +1,20 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
+<?import javafx.scene.control.ScrollPane?>
+<?import javafx.scene.layout.Pane?>
 <?import javafx.scene.layout.VBox?>
 <?scenebuilder-stylesheet vista.css?>
 
-<VBox fx:id="vBox" prefHeight="200.0" prefWidth="350.0" style="-fx-background-color: white;" xmlns="http://javafx.com/javafx/8.0.111" xmlns:fx="http://javafx.com/fxml/1" fx:controller="meerkat.voting.gui.controllersFX.PrinterController">
+<Pane prefHeight="486.0" prefWidth="352.0" xmlns="http://javafx.com/javafx/8.0.112" xmlns:fx="http://javafx.com/fxml/1" fx:controller="meerkat.voting.gui.controllersFX.PrinterController">
+   <children>
+      <ScrollPane fx:id="scrollPane" prefHeight="486.0" prefWidth="352.0">
+         <content>
+            <VBox fx:id="vBox" prefHeight="479.0" prefWidth="350.0" style="-fx-background-color: white;">
                 <children>
 
     </children>
-</VBox>
+            </VBox>
+         </content>
+      </ScrollPane>
+   </children>
+</Pane>

voting-booth-gui/src/main/resources/views/voting.fxml

@@ -1,14 +1,22 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
+<?import javafx.scene.Group?>
 <?import javafx.scene.control.Button?>
+<?import javafx.scene.control.ScrollPane?>
 <?import javafx.scene.layout.Pane?>
 <?import javafx.scene.text.Text?>
 
 <Pane maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="400.0" prefWidth="600.0" xmlns="http://javafx.com/javafx/8.0.112" xmlns:fx="http://javafx.com/fxml/1" fx:controller="meerkat.voting.gui.controllersFX.VotingController">
    <children>
-      <Button layoutX="469.0" layoutY="343.0" mnemonicParsing="false" onMousePressed="#nextQuestion" text="Next" />
+      <Button fx:id="nextButton" layoutX="469.0" layoutY="343.0" mnemonicParsing="false" onMousePressed="#nextQuestion" text="Next" />
-      <Text fx:id="question" layoutX="84.0" layoutY="89.0" strokeType="OUTSIDE" strokeWidth="0.0" text="Click 'Next' to see the first question." wrappingWidth="431.3046875" />
+      <Button layoutX="74.0" layoutY="343.0" mnemonicParsing="false" onMousePressed="#goBack" text="Back" />
-      <Pane fx:id="questionPane" layoutX="84.0" layoutY="97.0" prefHeight="234.0" prefWidth="422.0" />
+      <Group layoutX="220.0" layoutY="369.0">
-      <Button layoutX="84.0" layoutY="343.0" mnemonicParsing="false" onMousePressed="#goBack" text="Back" />
+         <children>
+            <Text fx:id="currentPage" layoutX="-16.0" strokeType="OUTSIDE" strokeWidth="0.0" text="XXX" textAlignment="RIGHT" wrappingWidth="112.30468860268593" />
+            <Text fx:id="question111" layoutX="99.0" strokeType="OUTSIDE" strokeWidth="0.0" text="/" wrappingWidth="12.304688602685928" />
+            <Text fx:id="totalPage" layoutX="109.0" strokeType="OUTSIDE" strokeWidth="0.0" text="YYY" wrappingWidth="46.30468860268593" />
+         </children>
+      </Group>
+      <ScrollPane fx:id="questionPane" layoutY="1.0" prefHeight="322.0" prefWidth="600.0" />
    </children>
 </Pane>

voting-booth-gui/src/main/resources/views/welcome_screen.fxml

@@ -1,104 +1,33 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<?import javafx.scene.text.*?>
+<?import javafx.geometry.Insets?>
-<?import javafx.scene.control.*?>
+<?import javafx.scene.control.Button?>
-<?import java.lang.*?>
+<?import javafx.scene.layout.AnchorPane?>
-<?import javafx.scene.layout.*?>
+<?import javafx.scene.layout.VBox?>
+<?import javafx.scene.text.Font?>
+<?import javafx.scene.text.Text?>
 
-<GridPane maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="400.0" prefWidth="600.0" xmlns="http://javafx.com/javafx/8" xmlns:fx="http://javafx.com/fxml/1" fx:controller="meerkat.voting.gui.controllersFX.WelcomeScreenController">
+
-  <columnConstraints>
+<AnchorPane xmlns="http://javafx.com/javafx/8.0.112" xmlns:fx="http://javafx.com/fxml/1" fx:controller="meerkat.voting.gui.controllersFX.WelcomeScreenController">
-    <ColumnConstraints />
-      <ColumnConstraints hgrow="SOMETIMES" minWidth="10.0" prefWidth="100.0" />
-  </columnConstraints>
-  <rowConstraints>
-    <RowConstraints />
-    <RowConstraints maxHeight="129.0" minHeight="10.0" prefHeight="47.0" vgrow="SOMETIMES" />
-    <RowConstraints maxHeight="222.0" minHeight="10.0" prefHeight="201.0" vgrow="SOMETIMES" />
-      <RowConstraints maxHeight="170.0" minHeight="10.0" prefHeight="129.0" vgrow="SOMETIMES" />
-  </rowConstraints>
    <children>
-      <GridPane GridPane.columnIndex="1" GridPane.rowIndex="1">
+      <VBox alignment="CENTER" prefHeight="400.0" prefWidth="600.0" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0">
-        <columnConstraints>
-          <ColumnConstraints hgrow="SOMETIMES" maxWidth="185.0" minWidth="10.0" prefWidth="185.0" />
-            <ColumnConstraints hgrow="SOMETIMES" maxWidth="334.0" minWidth="10.0" prefWidth="258.0" />
-          <ColumnConstraints hgrow="SOMETIMES" maxWidth="194.0" minWidth="10.0" prefWidth="124.0" />
-        </columnConstraints>
-        <rowConstraints>
-          <RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES" />
-        </rowConstraints>
          <children>
-            <BorderPane prefHeight="200.0" prefWidth="200.0">
+            <Text fx:id="electionName" strokeType="OUTSIDE" strokeWidth="0.0" text="Name of the Election" textAlignment="CENTER" wrappingWidth="343.205078125">
-               <center>
+               <font>
-                  <Label text="Organization Logo" BorderPane.alignment="CENTER" />
+                  <Font name="System Bold" size="24.0" />
-               </center>
+               </font>
-            </BorderPane>
+            </Text>
-            <BorderPane prefHeight="200.0" prefWidth="200.0" GridPane.columnIndex="2">
+            <Text fx:id="electionLocation" layoutX="138.0" layoutY="191.0" strokeType="OUTSIDE" strokeWidth="0.0" text="Location" textAlignment="CENTER" wrappingWidth="343.205078125">
-               <center>
+               <VBox.margin>
-                  <Label text="Date" BorderPane.alignment="CENTER" />
+                  <Insets bottom="70.0" />
-               </center>
+               </VBox.margin>
-            </BorderPane>
+            </Text>
-         </children>
+            <Button mnemonicParsing="false" onMousePressed="#nextPane" prefHeight="51.0" prefWidth="214.0" text="Start Here">
-      </GridPane>
-      <GridPane GridPane.columnIndex="1" GridPane.rowIndex="1">
-        <columnConstraints>
-          <ColumnConstraints hgrow="SOMETIMES" minWidth="10.0" prefWidth="100.0" />
-        </columnConstraints>
-        <rowConstraints>
-          <RowConstraints maxHeight="74.0" minHeight="10.0" prefHeight="74.0" vgrow="SOMETIMES" />
-          <RowConstraints maxHeight="123.0" minHeight="10.0" prefHeight="93.0" vgrow="SOMETIMES" />
-          <RowConstraints maxHeight="59.0" minHeight="10.0" prefHeight="29.0" vgrow="SOMETIMES" />
-        </rowConstraints>
-      </GridPane>
-      <GridPane GridPane.columnIndex="1" GridPane.rowIndex="2">
-        <columnConstraints>
-          <ColumnConstraints hgrow="SOMETIMES" minWidth="10.0" prefWidth="100.0" />
-        </columnConstraints>
-        <rowConstraints>
-          <RowConstraints maxHeight="75.0" minHeight="10.0" prefHeight="75.0" vgrow="SOMETIMES" />
-          <RowConstraints maxHeight="107.0" minHeight="10.0" prefHeight="107.0" vgrow="SOMETIMES" />
-          <RowConstraints maxHeight="56.0" minHeight="10.0" prefHeight="27.0" vgrow="SOMETIMES" />
-        </rowConstraints>
-         <children>
-            <BorderPane prefHeight="200.0" prefWidth="200.0" GridPane.rowIndex="1">
-               <center>
-                  <Button mnemonicParsing="false" onMousePressed="#nextPane" prefHeight="50.0" prefWidth="170.0" text="Start Here" BorderPane.alignment="CENTER">
                <font>
                   <Font size="24.0" />
                </font>
             </Button>
-               </center>
-            </BorderPane>
-            <GridPane>
-              <columnConstraints>
-                <ColumnConstraints hgrow="SOMETIMES" minWidth="10.0" prefWidth="100.0" />
-              </columnConstraints>
-              <rowConstraints>
-                <RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES" />
-                <RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES" />
-              </rowConstraints>
-               <children>
-                  <BorderPane prefHeight="200.0" prefWidth="200.0">
-                     <center>
-                        <Label text="This is the name of the Election" BorderPane.alignment="CENTER">
-                           <font>
-                              <Font size="18.0" />
-                           </font>
-                        </Label>
-                     </center>
-                  </BorderPane>
-                  <BorderPane prefHeight="200.0" prefWidth="200.0" GridPane.rowIndex="1">
-                     <top>
-                        <Label text="Location | Precinct" BorderPane.alignment="CENTER" />
-                     </top>
-                  </BorderPane>
          </children>
-            </GridPane>
+      </VBox>
    </children>
-      </GridPane>
+</AnchorPane>
-      <BorderPane prefHeight="200.0" prefWidth="200.0" GridPane.columnIndex="1" GridPane.rowIndex="3">
-         <center>
-            <Label fx:id="ErrorPanel" maxHeight="30.0" maxWidth="500.0" minHeight="30.0" minWidth="500.0" prefHeight="30.0" prefWidth="500.0" BorderPane.alignment="CENTER" />
-         </center>
-      </BorderPane>
-   </children>
-</GridPane>

voting-booth/src/main/java/meerkat/voting/encryptor/VBCryptoManager.java

@@ -40,5 +40,5 @@ public interface VBCryptoManager {
     // TODO: do we seed the random here?
     public EncryptionAndSecrets encrypt (PlaintextBallot plaintextBallot) throws SignatureException, IOException;
 
-
+    //TODO: Laura: there should be a method here to sign whatever I need to sign, no? Does it mean that I need to create a class for each type of thing I need to sign?
 }