1 files changed, 123 insertions, 0 deletions
diff --git a/src/cz/crcs/ectester/standalone/libs/jni/NativeKeyPairGeneratorSpi.java b/src/cz/crcs/ectester/standalone/libs/jni/NativeKeyPairGeneratorSpi.java
new file mode 100644
index 0000000..9461251
--- /dev/null
+++ b/src/cz/crcs/ectester/standalone/libs/jni/NativeKeyPairGeneratorSpi.java
@@ -0,0 +1,123 @@
+package cz.crcs.ectester.standalone.libs.jni;
+
+import java.security.*;
+import java.security.spec.AlgorithmParameterSpec;
+
+/**
+ * @author Jan Jancar johny@neuromancer.sk
+ */
+public abstract class NativeKeyPairGeneratorSpi extends KeyPairGeneratorSpi {
+    private int keysize;
+    private SecureRandom random;
+    private AlgorithmParameterSpec params;
+    private boolean useKeysize;
+    private boolean useParams;
+
+    @Override
+    public void initialize(int keysize, SecureRandom random) {
+        if (!keysizeSupported(keysize)) {
+            throw new InvalidParameterException("Keysize " + keysize + " not supported.");
+        }
+        this.keysize = keysize;
+        this.random = random;
+        this.useKeysize = true;
+        this.useParams = false;
+    }
+
+    @Override
+    public void initialize(AlgorithmParameterSpec params, SecureRandom random) throws InvalidAlgorithmParameterException {
+        if (!paramsSupported(params)) {
+            throw new InvalidAlgorithmParameterException("not supported.");
+        }
+        this.params = params;
+        this.random = random;
+        this.useParams = true;
+        this.useKeysize = false;
+    }
+
+    @Override
+    public KeyPair generateKeyPair() {
+        if (useKeysize) {
+            return generate(keysize, random);
+        } else if (useParams) {
+            return generate(params, random);
+        }
+        return null;
+    }
+
+    abstract boolean keysizeSupported(int keysize);
+
+    abstract boolean paramsSupported(AlgorithmParameterSpec params);
+
+    abstract KeyPair generate(int keysize, SecureRandom random);
+
+    abstract KeyPair generate(AlgorithmParameterSpec params, SecureRandom random);
+
+    public static class TomCrypt extends NativeKeyPairGeneratorSpi {
+
+        public TomCrypt() {
+            initialize(256, new SecureRandom());
+        }
+
+        @Override
+        native boolean keysizeSupported(int keysize);
+
+        @Override
+        native boolean paramsSupported(AlgorithmParameterSpec params);
+
+        @Override
+        native KeyPair generate(int keysize, SecureRandom random);
+
+        @Override
+        native KeyPair generate(AlgorithmParameterSpec params, SecureRandom random);
+    }
+
+    public static abstract class Botan extends NativeKeyPairGeneratorSpi {
+        private String type;
+
+        public Botan(String type) {
+            this.type = type;
+            initialize(256, new SecureRandom());
+        }
+
+        @Override
+        native boolean keysizeSupported(int keysize);
+
+        @Override
+        native boolean paramsSupported(AlgorithmParameterSpec params);
+
+        @Override
+        native KeyPair generate(int keysize, SecureRandom random);
+
+        @Override
+        native KeyPair generate(AlgorithmParameterSpec params, SecureRandom random);
+    }
+
+    public static class BotanECDH extends Botan {
+
+        public BotanECDH() {
+            super("ECDH");
+        }
+    }
+
+    public static class BotanECDSA extends Botan {
+
+        public BotanECDSA() {
+            super("ECDSA");
+        }
+    }
+
+    public static class BotanECKCDSA extends Botan {
+
+        public BotanECKCDSA() {
+            super("ECKCDSA");
+        }
+    }
+
+    public static class BotanECGDSA extends Botan {
+
+        public BotanECGDSA() {
+            super("ECGDSA");
+        }
+    }
+}