Merge pull request #1 from petrs/devel

Merge current dev version

1 files changed, 342 insertions, 0 deletions

diff --git a/src/cz/crcs/ectester/data/EC_Store.java b/src/cz/crcs/ectester/data/EC_Store.java
new file mode 100644
index 0000000..94eb011
--- /dev/null
+++ b/src/cz/crcs/ectester/data/EC_Store.java
@@ -0,0 +1,342 @@
+package cz.crcs.ectester.data;
+
+import cz.crcs.ectester.applet.EC_Consts;
+import cz.crcs.ectester.reader.ec.*;
+import javacard.security.KeyPair;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+import org.xml.sax.ErrorHandler;
+import org.xml.sax.InputSource;
+import org.xml.sax.SAXException;
+import org.xml.sax.SAXParseException;
+import org.xml.sax.ext.EntityResolver2;
+
+import javax.xml.XMLConstants;
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.validation.Schema;
+import javax.xml.validation.SchemaFactory;
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Collections;
+import java.util.Map;
+import java.util.TreeMap;
+
+/**
+ * @author Jan Jancar johny@neuromancer.sk
+ */
+public class EC_Store {
+
+    private DocumentBuilder db;
+
+    private Map<String, EC_Category> categories;
+
+    public EC_Store() throws IOException {
+        DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
+
+        try {
+            SchemaFactory scf = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
+            Schema sch = scf.newSchema(this.getClass().getResource("/cz/crcs/ectester/data/schema.xsd"));
+            dbf.setSchema(sch);
+            dbf.setNamespaceAware(true);
+            dbf.setIgnoringComments(true);
+            dbf.setIgnoringElementContentWhitespace(true);
+            db = dbf.newDocumentBuilder();
+            db.setErrorHandler(new ErrorHandler() {
+                @Override
+                public void warning(SAXParseException exception) throws SAXException {
+                    System.err.println("EC_Store | Warning : " + exception);
+                }
+
+                @Override
+                public void error(SAXParseException exception) throws SAXException {
+                    System.err.println("EC_Store | Error : " + exception);
+                }
+
+                @Override
+                public void fatalError(SAXParseException exception) throws SAXException {
+                    System.err.println("EC_Store | Fatal : " + exception);
+                    throw new SAXException(exception);
+                }
+            });
+            db.setEntityResolver(new EntityResolver2() {
+                @Override
+                public InputSource getExternalSubset(String name, String baseURI) throws SAXException, IOException {
+                    return null;
+                }
+
+                @Override
+                public InputSource resolveEntity(String name, String publicId, String baseURI, String systemId) throws SAXException, IOException {
+                    InputSource is = new InputSource();
+                    is.setSystemId(systemId);
+                    is.setByteStream(getClass().getClass().getResourceAsStream("/cz/crcs/ectester/data/" + systemId));
+                    return is;
+                }
+
+                @Override
+                public InputSource resolveEntity(String publicId, String systemId) throws SAXException, IOException {
+                    return null;
+                }
+            });
+
+            parse();
+        } catch (ParserConfigurationException | SAXException e) {
+            e.printStackTrace();
+        }
+    }
+
+    private void parse() throws SAXException, ParserConfigurationException, IOException {
+
+        InputStream categories = this.getClass().getResourceAsStream("/cz/crcs/ectester/data/categories.xml");
+        if (categories == null) {
+            throw new IOException();
+        }
+        Document categoriesDoc = db.parse(categories);
+        categories.close();
+        categoriesDoc.normalize();
+
+        NodeList catList = categoriesDoc.getElementsByTagName("category");
+
+        this.categories = new TreeMap<>();
+        for (int i = 0; i < catList.getLength(); ++i) {
+            Node catNode = catList.item(i);
+            if (catNode instanceof Element) {
+                Element catElem = (Element) catNode;
+                Node name = catElem.getElementsByTagName("name").item(0);
+                Node dir = catElem.getElementsByTagName("directory").item(0);
+                Node desc = catElem.getElementsByTagName("desc").item(0);
+
+                EC_Category category = parseCategory(name.getTextContent(), dir.getTextContent(), desc.getTextContent());
+                this.categories.put(name.getTextContent(), category);
+            } else {
+                throw new SAXException("?");
+            }
+        }
+    }
+
+    private EC_Category parseCategory(String name, String dir, String desc) throws ParserConfigurationException, IOException, SAXException {
+
+        Map<String, EC_Data> objMap = new TreeMap<>();
+
+        InputStream curves = this.getClass().getResourceAsStream("/cz/crcs/ectester/data/" + dir + "/curves.xml");
+        if (curves != null) {
+            Document curvesDoc = db.parse(curves);
+            curvesDoc.normalize();
+
+            NodeList curveList = curvesDoc.getElementsByTagName("curve");
+
+            for (int i = 0; i < curveList.getLength(); ++i) {
+                Node curveNode = curveList.item(i);
+                if (curveNode instanceof Element) {
+                    Element curveElem = (Element) curveNode;
+                    Node id = curveElem.getElementsByTagName("id").item(0);
+                    Node bits = curveElem.getElementsByTagName("bits").item(0);
+                    Node field = curveElem.getElementsByTagName("field").item(0);
+
+                    NodeList descc = curveElem.getElementsByTagName("desc");
+                    String descs = null;
+                    if (descc.getLength() != 0) {
+                        descs = descc.item(0).getTextContent();
+                    }
+
+                    byte alg;
+                    if (field.getTextContent().equalsIgnoreCase("prime")) {
+                        alg = KeyPair.ALG_EC_FP;
+                    } else {
+                        alg = KeyPair.ALG_EC_F2M;
+                    }
+                    short bitsize = Short.parseShort(bits.getTextContent());
+
+                    EC_Curve curve = new EC_Curve(id.getTextContent(), bitsize, alg, descs);
+
+                    InputStream csv = parseDataElement(dir, curveElem);
+                    if (!curve.readCSV(csv)) {
+                        throw new IOException("Invalid csv data.");
+                    }
+                    csv.close();
+
+                    objMap.put(id.getTextContent(), curve);
+                } else {
+                    throw new SAXException("?");
+                }
+            }
+            curves.close();
+        }
+
+        InputStream keys = this.getClass().getResourceAsStream("/cz/crcs/ectester/data/" + dir + "/keys.xml");
+        if (keys != null) {
+            Document keysDoc = db.parse(keys);
+            keysDoc.normalize();
+
+            NodeList directs = keysDoc.getDocumentElement().getChildNodes();
+            for (int i = 0; i < directs.getLength(); ++i) {
+                Node direct = directs.item(i);
+                if (direct instanceof Element) {
+                    Element elem = (Element) direct;
+
+                    NodeList ids = elem.getElementsByTagName("id");
+                    if (ids.getLength() != 1) {
+                        throw new SAXException("key no id?");
+                    }
+                    String id = ids.item(0).getTextContent();
+
+                    EC_Params result = parseKeylike(dir, elem);
+
+                    objMap.put(id, result);
+                } else {
+                    throw new SAXException("?");
+                }
+            }
+            keys.close();
+        }
+
+        InputStream results = this.getClass().getResourceAsStream("/cz/crcs/ectester/data/" + dir + "/results.xml");
+        if (results != null) {
+            Document resultsDoc = db.parse(results);
+            resultsDoc.normalize();
+
+            NodeList directs = resultsDoc.getDocumentElement().getChildNodes();
+            for (int i = 0; i < directs.getLength(); ++i) {
+                Node direct = directs.item(i);
+                if (direct instanceof Element) {
+                    Element elem = (Element) direct;
+
+                    Node id = elem.getElementsByTagName("id").item(0);
+                    Node ka = elem.getElementsByTagName("ka").item(0);
+                    Node curve = elem.getElementsByTagName("curve").item(0);
+                    Node onekey = elem.getElementsByTagName("onekey").item(0);
+                    Node otherkey = elem.getElementsByTagName("otherkey").item(0);
+
+                    NodeList descc = elem.getElementsByTagName("desc");
+                    String descs = null;
+                    if (descc.getLength() != 0) {
+                        descs = descc.item(0).getTextContent();
+                    }
+
+                    byte kab = EC_Consts.KA_ANY;
+                    switch (ka.getTextContent()) {
+                        case "DH":
+                        case "ECDH":
+                            kab = EC_Consts.KA_ECDH;
+                            break;
+                        case "DHC":
+                        case "ECDHC":
+                            kab = EC_Consts.KA_ECDHC;
+                            break;
+                        case "ANY":
+                            kab = EC_Consts.KA_ANY;
+                            break;
+                        case "BOTH":
+                            kab = EC_Consts.KA_BOTH;
+                            break;
+                    }
+
+                    EC_KAResult kaResult = new EC_KAResult(id.getTextContent(), kab, curve.getTextContent(), onekey.getTextContent(), otherkey.getTextContent(), descs);
+
+                    InputStream csv = parseDataElement(dir, elem);
+                    if (!kaResult.readCSV(csv)) {
+                        throw new IOException("Invalid csv data.");
+                    }
+                    csv.close();
+
+                    objMap.put(id.getTextContent(), kaResult);
+                } else {
+                    throw new SAXException("?");
+                }
+            }
+            results.close();
+        }
+
+        return new EC_Category(name, dir, desc, objMap);
+    }
+
+    private EC_Params parseKeylike(String dir, Element elem) throws SAXException, IOException {
+        Node id = elem.getElementsByTagName("id").item(0);
+        Node curve = elem.getElementsByTagName("curve").item(0);
+
+        NodeList desc = elem.getElementsByTagName("desc");
+        String descs = null;
+        if (desc.getLength() != 0) {
+            descs = desc.item(0).getTextContent();
+        }
+
+        EC_Params result;
+        if (elem.getTagName().equals("pubkey")) {
+            result = new EC_Key.Public(curve.getTextContent(), descs);
+        } else if (elem.getTagName().equals("privkey")) {
+            result = new EC_Key.Private(curve.getTextContent(), descs);
+        } else if (elem.getTagName().equals("keypair")) {
+            result = new EC_Keypair(curve.getTextContent(), descs);
+        } else {
+            throw new SAXException("?");
+        }
+
+        InputStream csv = parseDataElement(dir, elem);
+        if (!result.readCSV(csv)) {
+            throw new IOException("Invalid CSV data.");
+        }
+        csv.close();
+
+        return result;
+    }
+
+    private InputStream parseDataElement(String dir, Element elem) throws SAXException {
+        NodeList file = elem.getElementsByTagName("file");
+        NodeList inline = elem.getElementsByTagName("inline");
+
+        InputStream csv;
+        if (file.getLength() == 1) {
+            csv = this.getClass().getResourceAsStream("/cz/crcs/ectester/data/" + dir + "/" + file.item(0).getTextContent());
+        } else if (inline.getLength() == 1) {
+            csv = new ByteArrayInputStream(inline.item(0).getTextContent().getBytes());
+        } else {
+            throw new SAXException("?");
+        }
+        return csv;
+    }
+
+    public Map<String, EC_Category> getCategories() {
+        return Collections.unmodifiableMap(categories);
+    }
+
+    public EC_Category getCategory(String category) {
+        return categories.get(category);
+    }
+
+    public Map<String, EC_Data> getObjects(String category) {
+        EC_Category cat = categories.get(category);
+        if (cat != null) {
+            return cat.getObjects();
+        }
+        return null;
+    }
+
+    public <T extends EC_Data> Map<String, T> getObjects(Class<T> objClass, String category) {
+        EC_Category cat = categories.get(category);
+        if (cat != null) {
+            return cat.getObjects(objClass);
+        }
+        return null;
+    }
+
+    public <T extends EC_Data> T getObject(Class<T> objClass, String category, String id) {
+        EC_Category cat = categories.get(category);
+        if (cat != null) {
+            return cat.getObject(objClass, id);
+        }
+        return null;
+    }
+
+    public <T extends EC_Data> T getObject(Class<T> objClass, String query) {
+        int split = query.indexOf("/");
+        if (split < 0) {
+            return null;
+        }
+        return getObject(objClass, query.substring(0, split), query.substring(split + 1));
+    }
+
+}