From 8103eb7e174c7c0bb33316ae9499bbc0fbb62ea5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Magdalena=20Grodzi=C5=84ska?= <mag.grodzinska@gmail.com>
Date: Mon, 13 Jan 2020 21:54:45 +0100
Subject: Fix key generation and reading

---
 .../edu/mimuw/cloudatlas/querysigner/KeyUtils.java | 35 ++++++++++++++++++++++
 .../mimuw/cloudatlas/querysigner/QuerySigner.java  |  8 ++---
 2 files changed, 37 insertions(+), 6 deletions(-)
 create mode 100644 src/main/java/pl/edu/mimuw/cloudatlas/querysigner/KeyUtils.java

(limited to 'src/main/java/pl/edu/mimuw/cloudatlas/querysigner')

diff --git a/src/main/java/pl/edu/mimuw/cloudatlas/querysigner/KeyUtils.java b/src/main/java/pl/edu/mimuw/cloudatlas/querysigner/KeyUtils.java
new file mode 100644
index 0000000..7a543ba
--- /dev/null
+++ b/src/main/java/pl/edu/mimuw/cloudatlas/querysigner/KeyUtils.java
@@ -0,0 +1,35 @@
+package pl.edu.mimuw.cloudatlas.querysigner;
+
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.security.*;
+import java.security.spec.PKCS8EncodedKeySpec;
+import java.security.spec.X509EncodedKeySpec;
+
+public class KeyUtils {
+    private final static String ENCRYPTION_ALGORITHM = "RSA";
+
+    public static PublicKey getPublicKey(String filename){
+        try {
+            byte[] byteKey = Files.readAllBytes(Paths.get(filename));
+            X509EncodedKeySpec X509publicKey = new X509EncodedKeySpec(byteKey);
+            KeyFactory kf = KeyFactory.getInstance(ENCRYPTION_ALGORITHM);
+            return kf.generatePublic(X509publicKey);
+        } catch(Exception e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+    public static PrivateKey getPrivateKey(String filename){
+        try {
+            byte[] byteKey = Files.readAllBytes(Paths.get(filename));
+            PKCS8EncodedKeySpec PKCS8privateKey = new PKCS8EncodedKeySpec(byteKey);
+            KeyFactory kf = KeyFactory.getInstance(ENCRYPTION_ALGORITHM);
+            return kf.generatePrivate(PKCS8privateKey);
+        } catch(Exception e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+}
diff --git a/src/main/java/pl/edu/mimuw/cloudatlas/querysigner/QuerySigner.java b/src/main/java/pl/edu/mimuw/cloudatlas/querysigner/QuerySigner.java
index d60a75d..735601d 100644
--- a/src/main/java/pl/edu/mimuw/cloudatlas/querysigner/QuerySigner.java
+++ b/src/main/java/pl/edu/mimuw/cloudatlas/querysigner/QuerySigner.java
@@ -1,8 +1,5 @@
 package pl.edu.mimuw.cloudatlas.querysigner;
 
-import pl.edu.mimuw.cloudatlas.KeyGenerator;
-import pl.edu.mimuw.cloudatlas.agent.NewApiImplementation;
-import pl.edu.mimuw.cloudatlas.api.Api;
 import pl.edu.mimuw.cloudatlas.querysignerapi.QuerySignerApi;
 
 import java.io.IOException;
@@ -22,15 +19,14 @@ public class QuerySigner {
     private static QuerySignerApiImplementation initApi() throws IOException {
         String publicKeyFile = System.getProperty("public_key_file");
         String privateKeyFile = System.getProperty("private_key_file");
-        PublicKey publicKey = null; //KeyGenerator.getPublicKey(KeyGenerator.readKeyFromFile(publicKeyFile));
-        PrivateKey privateKey = null; // KeyGenerator.getPrivateKey(KeyGenerator.readKeyFromFile(privateKeyFile));
+        PublicKey publicKey = KeyUtils.getPublicKey(publicKeyFile);
+        PrivateKey privateKey = KeyUtils.getPrivateKey(privateKeyFile);
         return new QuerySignerApiImplementation(publicKey, privateKey);
     }
 
     public static void runRegistry() {
         try {
             QuerySignerApiImplementation api = initApi();
-//            NewApiImplementation apii = new NewApiImplementation(null);
             QuerySignerApi apiStub =
                     (QuerySignerApi) UnicastRemoteObject.exportObject(api, 0);
             Registry registry = LocateRegistry.getRegistry();
-- 
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