Add AlgorithmParametersSpi

.classpath

@@ -10,6 +10,7 @@
 		<attributes>
 			<attribute name="optional" value="true"/>
 			<attribute name="maven.pomderived" value="true"/>
+			<attribute name="test" value="true"/>
 		</attributes>
 	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.6">
@@ -22,5 +23,22 @@
 			<attribute name="maven.pomderived" value="true"/>
 		</attributes>
 	</classpathentry>
+	<classpathentry kind="src" path="target/generated-sources/annotations">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+			<attribute name="ignore_optional_problems" value="true"/>
+			<attribute name="m2e-apt" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="src" output="target/test-classes" path="target/generated-test-sources/test-annotations">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+			<attribute name="ignore_optional_problems" value="true"/>
+			<attribute name="m2e-apt" value="true"/>
+			<attribute name="test" value="true"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="output" path="target/classes"/>
 </classpath>

src/net/i2p/crypto/eddsa/AlgorithmParameters.java

@@ -0,0 +1,64 @@
+package net.i2p.crypto.eddsa;
+
+import net.i2p.crypto.eddsa.spec.EdDSAGenParameterSpec;
+import net.i2p.crypto.eddsa.spec.EdDSANamedCurveSpec;
+import net.i2p.crypto.eddsa.spec.EdDSANamedCurveTable;
+import net.i2p.crypto.eddsa.spec.EdDSAParameterSpec;
+
+import java.io.IOException;
+import java.security.AlgorithmParametersSpi;
+import java.security.spec.AlgorithmParameterSpec;
+import java.security.spec.InvalidParameterSpecException;
+
+public class AlgorithmParameters extends AlgorithmParametersSpi{
+
+    private EdDSANamedCurveSpec edDSANamedCurveSpec = null;
+
+    @Override
+    protected void engineInit(AlgorithmParameterSpec paramSpec) throws InvalidParameterSpecException {
+
+           if(paramSpec instanceof EdDSAGenParameterSpec){
+               edDSANamedCurveSpec = EdDSANamedCurveTable.getByName(((EdDSAGenParameterSpec) paramSpec).getName());
+           }
+           else if(paramSpec instanceof EdDSANamedCurveSpec){
+               this.edDSANamedCurveSpec= (EdDSANamedCurveSpec) paramSpec;
+           }
+           else throw new InvalidParameterSpecException("Invalid or not yet implemented "+ paramSpec.toString());
+    }
+
+    @Override
+    protected void engineInit(byte[] params) throws IOException {
+        throw new IOException("Not implemented yet...");
+    }
+
+    @Override
+    protected void engineInit(byte[] params, String format) throws IOException {
+        throw new IOException("Not implemented yet...");
+    }
+
+    @Override
+    protected <T extends AlgorithmParameterSpec> T engineGetParameterSpec(Class<T> paramSpec) throws InvalidParameterSpecException {
+       if(EdDSAParameterSpec.class.isAssignableFrom(paramSpec)){
+           return (T) this.edDSANamedCurveSpec;
+       }
+       else if(EdDSAGenParameterSpec.class.isAssignableFrom(paramSpec)){
+           return (T) new EdDSAGenParameterSpec(edDSANamedCurveSpec.getName());
+       }
+       else throw new InvalidParameterSpecException("Invalid or not yet implemented "+ paramSpec.toString());
+    }
+
+    @Override
+    protected byte[] engineGetEncoded() throws IOException {
+        throw new IOException("Not implemented yet...");
+    }
+
+    @Override
+    protected byte[] engineGetEncoded(String format) throws IOException {
+        throw new IOException("Not implemented yet...");
+    }
+
+    @Override
+    protected String engineToString() {
+        return this.getClass().getCanonicalName();
+    }
+}

src/net/i2p/crypto/eddsa/EdDSASecurityProvider.java

@@ -42,6 +42,7 @@ protected void setup() {
         put("KeyFactory." + EdDSAKey.KEY_ALGORITHM, "net.i2p.crypto.eddsa.KeyFactory");
         put("KeyPairGenerator." + EdDSAKey.KEY_ALGORITHM, "net.i2p.crypto.eddsa.KeyPairGenerator");
         put("Signature." + EdDSAEngine.SIGNATURE_ALGORITHM, "net.i2p.crypto.eddsa.EdDSAEngine");
+        put("AlgorithmParameters." + EdDSAKey.KEY_ALGORITHM, "net.i2p.crypto.eddsa.AlgorithmParameters");
 
         // OID Mappings
         // See section "Mapping from OID to name".

test/net/i2p/crypto/eddsa/AlgorithmParametersTest.java

@@ -0,0 +1,73 @@
+package net.i2p.crypto.eddsa;
+
+import net.i2p.crypto.eddsa.spec.EdDSAGenParameterSpec;
+import net.i2p.crypto.eddsa.spec.EdDSANamedCurveSpec;
+import net.i2p.crypto.eddsa.spec.EdDSANamedCurveTable;
+import net.i2p.crypto.eddsa.spec.EdDSAParameterSpec;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+
+import java.security.spec.ECGenParameterSpec;
+import java.security.spec.InvalidParameterSpecException;
+
+import static org.junit.Assert.assertTrue;
+
+public class AlgorithmParametersTest {
+
+    @Test
+    public void testInitEngineWithEdGen() throws InvalidParameterSpecException {
+        AlgorithmParameters algorithmParameters = new AlgorithmParameters();
+        algorithmParameters.engineInit(new EdDSAGenParameterSpec(EdDSANamedCurveTable.ED_25519));
+    }
+
+    @Test
+    public void testInitEngineEdNameCurve() throws InvalidParameterSpecException {
+        AlgorithmParameters algorithmParameters = new AlgorithmParameters();
+        algorithmParameters.engineInit(EdDSANamedCurveTable.getByName(EdDSANamedCurveTable.ED_25519));
+    }
+
+    @Rule
+    public ExpectedException exception = ExpectedException.none();
+
+    @Test
+    public void testInitEngineWithNotImplementedParamSpec() throws InvalidParameterSpecException {
+        AlgorithmParameters algorithmParameters = new AlgorithmParameters();
+        EdDSANamedCurveSpec nameSpec = EdDSANamedCurveTable.ED_25519_CURVE_SPEC;
+        EdDSAParameterSpec paramSpec = new EdDSAParameterSpec(nameSpec.getCurve(),nameSpec.getHashAlgorithm(),nameSpec.getScalarOps(),nameSpec.getB());
+        exception.expect(InvalidParameterSpecException.class);
+        algorithmParameters.engineInit(paramSpec);
+    }
+
+    @Test
+    public void testengineGetParameterSpec_A() throws InvalidParameterSpecException {
+        AlgorithmParameters algorithmParameters = new AlgorithmParameters();
+        algorithmParameters.engineInit(EdDSANamedCurveTable.getByName(EdDSANamedCurveTable.ED_25519));
+        EdDSAGenParameterSpec edDSAGenParameterSpec = algorithmParameters.engineGetParameterSpec(EdDSAGenParameterSpec.class);
+        assertTrue(edDSAGenParameterSpec != null);
+    }
+
+    @Test
+    public void testengineGetParameterSpec_B() throws InvalidParameterSpecException {
+        AlgorithmParameters algorithmParameters = new AlgorithmParameters();
+        algorithmParameters.engineInit(new EdDSAGenParameterSpec(EdDSANamedCurveTable.ED_25519));
+        EdDSANamedCurveSpec edDSANamedCurveSpec = algorithmParameters.engineGetParameterSpec(EdDSANamedCurveSpec.class);
+        assertTrue(edDSANamedCurveSpec != null);
+    }
+
+    @Test
+    public void testengineGetParameterSpec_C() throws InvalidParameterSpecException {
+        AlgorithmParameters algorithmParameters = new AlgorithmParameters();
+        algorithmParameters.engineInit(new EdDSAGenParameterSpec(EdDSANamedCurveTable.ED_25519));
+        EdDSAParameterSpec edDSAParameterSpec = algorithmParameters.engineGetParameterSpec(EdDSAParameterSpec.class);
+        assertTrue(edDSAParameterSpec != null);
+    }
+
+    @Test
+    public void testengineGetParameterSpec_Exception() throws InvalidParameterSpecException {
+        AlgorithmParameters algorithmParameters = new AlgorithmParameters();
+        algorithmParameters.engineInit(new EdDSAGenParameterSpec(EdDSANamedCurveTable.ED_25519));
+        exception.expect(InvalidParameterSpecException.class);
+        ECGenParameterSpec edDSAParameterSpec = algorithmParameters.engineGetParameterSpec(ECGenParameterSpec.class);
+    }
+}

test/net/i2p/crypto/eddsa/EdDSASecurityProviderTest.java

@@ -11,6 +11,7 @@
  */
 package net.i2p.crypto.eddsa;
 
+import java.security.AlgorithmParameters;
 import java.security.KeyFactory;
 import java.security.KeyPairGenerator;
 import java.security.NoSuchProviderException;
@@ -39,6 +40,7 @@ public void canGetInstancesWhenProviderIsPresent() throws Exception {
         KeyPairGenerator keyGen = KeyPairGenerator.getInstance("EdDSA", "EdDSA");
         KeyFactory keyFac = KeyFactory.getInstance("EdDSA", "EdDSA");
         Signature sgr = Signature.getInstance("NONEwithEdDSA", "EdDSA");
+        AlgorithmParameters algParam = AlgorithmParameters.getInstance("EdDSA","EdDSA");
 
         Security.removeProvider("EdDSA");
     }