1 files changed, 130 insertions, 0 deletions
diff --git a/src/cz/crcs/ectester/standalone/test/base/SignatureTestable.java b/src/cz/crcs/ectester/standalone/test/base/SignatureTestable.java
new file mode 100644
index 0000000..b8db7b8
--- /dev/null
+++ b/src/cz/crcs/ectester/standalone/test/base/SignatureTestable.java
@@ -0,0 +1,130 @@
+package cz.crcs.ectester.standalone.test.base;
+
+import java.security.InvalidKeyException;
+import java.security.SecureRandom;
+import java.security.Signature;
+import java.security.SignatureException;
+import java.security.interfaces.ECPrivateKey;
+import java.security.interfaces.ECPublicKey;
+
+/**
+ * @author Jan Jancar johny@neuromancer.sk
+ */
+public class SignatureTestable extends StandaloneTestable<SignatureTestable.SignatureStage> {
+    private Signature sig;
+    private ECPrivateKey signKey;
+    private ECPublicKey verifyKey;
+    private KeyGeneratorTestable kgt;
+    private byte[] data;
+    private byte[] signature;
+    private boolean verified;
+
+    public SignatureTestable(Signature sig, ECPrivateKey signKey, ECPublicKey verifyKey, byte[] data) {
+        this.sig = sig;
+        this.signKey = signKey;
+        this.verifyKey = verifyKey;
+        this.data = data;
+        if (data == null) {
+            SecureRandom random = new SecureRandom();
+            this.data = new byte[64];
+            random.nextBytes(this.data);
+        }
+    }
+
+    public SignatureTestable(Signature sig, KeyGeneratorTestable kgt, byte[] data) {
+        this(sig, null, null, data);
+        this.kgt = kgt;
+    }
+
+    public Signature getSig() {
+        return sig;
+    }
+
+    public byte[] getData() {
+        return data;
+    }
+
+    public byte[] getSignature() {
+        return signature;
+    }
+
+    public boolean getVerified() {
+        return verified;
+    }
+
+    @Override
+    public void run() {
+        try {
+            stage = SignatureStage.GetKeys;
+            if (kgt != null) {
+                signKey = (ECPrivateKey) kgt.getKeyPair().getPrivate();
+                verifyKey = (ECPublicKey) kgt.getKeyPair().getPublic();
+            }
+
+            stage = SignatureStage.InitSign;
+            try {
+                sig.initSign(signKey);
+            } catch (InvalidKeyException e) {
+                failOnException(e);
+                return;
+            }
+
+            stage = SignatureStage.UpdateSign;
+            try {
+                sig.update(data);
+            } catch (SignatureException e) {
+                failOnException(e);
+                return;
+            }
+
+            stage = SignatureStage.Sign;
+            try {
+                signature = sig.sign();
+            } catch (SignatureException e) {
+                failOnException(e);
+                return;
+            }
+
+            stage = SignatureStage.InitVerify;
+            try {
+                sig.initVerify(verifyKey);
+            } catch (InvalidKeyException e) {
+                failOnException(e);
+                return;
+            }
+
+            stage = SignatureStage.UpdateVerify;
+            try {
+                sig.update(data);
+            } catch (SignatureException e) {
+                failOnException(e);
+                return;
+            }
+
+            stage = SignatureStage.Verify;
+            try {
+                verified = sig.verify(signature);
+            } catch (SignatureException e) {
+                failOnException(e);
+                return;
+            }
+
+            ok = verified;
+        } catch (Exception ex) {
+            ok = false;
+            error = true;
+            errorCause = ex;
+        }
+        hasRun = true;
+    }
+
+    public enum SignatureStage {
+        GetKeys,
+        InitSign,
+        UpdateSign,
+        Sign,
+        InitVerify,
+        UpdateVerify,
+        Verify
+    }
+}