EiP 10.2

1 files changed, 29 insertions, 0 deletions

diff --git a/ws2015/eip/blaetter/10/2/PasswordCrackerThread.java b/ws2015/eip/blaetter/10/2/PasswordCrackerThread.java
new file mode 100644
index 0000000..dcc0656
--- /dev/null
+++ b/ws2015/eip/blaetter/10/2/PasswordCrackerThread.java
@@ -0,0 +1,29 @@
+import java.util.Formatter;
+
+public class PasswordCrackerThread implements Runnable {
+
+    public final long rangeStart;
+    public final long rangeEnd;
+
+    public final Synchronizer sync;
+
+    public PasswordCrackerThread(Synchronizer s, long start, long end)
+    {
+        sync       = s;
+        rangeStart = start;
+        rangeEnd   = end;
+    }
+    
+    public void run() {
+        for (long i = rangeStart; i <= rangeEnd; i++) {
+            String guess = new Formatter().format("%8d", i).toString();
+            String digest = SHA.encrypt(guess);
+            if (digest.equals(sync.targetHash)) {
+                synchronized (sync) {
+                    sync.setSolution(i);
+                    break;
+                }
+            }
+        }
+    }
+}