1 files changed, 227 insertions, 0 deletions
diff --git a/src/cz/crcs/ectester/standalone/libs/jni/NativeSignatureSpi.java b/src/cz/crcs/ectester/standalone/libs/jni/NativeSignatureSpi.java
new file mode 100644
index 0000000..b212697
--- /dev/null
+++ b/src/cz/crcs/ectester/standalone/libs/jni/NativeSignatureSpi.java
@@ -0,0 +1,227 @@
+package cz.crcs.ectester.standalone.libs.jni;
+
+import cz.crcs.ectester.common.util.ECUtil;
+
+import java.io.ByteArrayOutputStream;
+import java.security.*;
+import java.security.interfaces.ECPrivateKey;
+import java.security.interfaces.ECPublicKey;
+import java.security.spec.ECParameterSpec;
+
+/**
+ * @author Jan Jancar johny@neuromancer.sk
+ */
+public abstract class NativeSignatureSpi extends SignatureSpi {
+    private ECPublicKey verifyKey;
+    private ECPrivateKey signKey;
+    private ECParameterSpec params;
+
+    private ByteArrayOutputStream buffer = new ByteArrayOutputStream();
+
+    @Override
+    protected void engineInitVerify(PublicKey publicKey) throws InvalidKeyException {
+        if (!(publicKey instanceof ECPublicKey)) {
+            throw new InvalidKeyException
+                    ("Key must be an instance of ECPublicKey");
+        }
+        verifyKey = (ECPublicKey) publicKey;
+        params = verifyKey.getParams();
+        buffer.reset();
+    }
+
+    @Override
+    protected void engineInitSign(PrivateKey privateKey) throws InvalidKeyException {
+        if (!(privateKey instanceof ECPrivateKey)) {
+            throw new InvalidKeyException
+                    ("Key must be an instance of ECPrivateKey");
+        }
+        signKey = (ECPrivateKey) privateKey;
+        params = signKey.getParams();
+        buffer.reset();
+    }
+
+    @Override
+    protected void engineUpdate(byte b) throws SignatureException {
+        buffer.write(b);
+    }
+
+    @Override
+    protected void engineUpdate(byte[] b, int off, int len) throws SignatureException {
+        buffer.write(b, off, len);
+    }
+
+    @Override
+    protected byte[] engineSign() throws SignatureException {
+        return sign(buffer.toByteArray(), ECUtil.toByteArray(signKey.getS(), params.getCurve().getField().getFieldSize()), params);
+    }
+
+    @Override
+    protected boolean engineVerify(byte[] sigBytes) throws SignatureException {
+        return verify(sigBytes, buffer.toByteArray(), ECUtil.toX962Uncompressed(verifyKey.getW(), params), params);
+    }
+
+    @Override
+    @Deprecated
+    protected void engineSetParameter(String param, Object value) throws InvalidParameterException {
+        throw new UnsupportedOperationException("setParameter() not supported");
+    }
+
+    @Override
+    @Deprecated
+    protected Object engineGetParameter(String param) throws InvalidParameterException {
+        throw new UnsupportedOperationException("getParameter() not supported");
+    }
+
+    abstract byte[] sign(byte[] data, byte[] privkey, ECParameterSpec params);
+
+    abstract boolean verify(byte[] signature, byte[] data, byte[] pubkey, ECParameterSpec params);
+
+    public static class TomCryptRaw extends NativeSignatureSpi {
+
+        @Override
+        native byte[] sign(byte[] data, byte[] privkey, ECParameterSpec params);
+
+        @Override
+        native boolean verify(byte[] signature, byte[] data, byte[] pubkey, ECParameterSpec params);
+    }
+
+    public abstract static class Botan extends NativeSignatureSpi {
+        private String type;
+
+        public Botan(String type) {
+            this.type = type;
+        }
+
+        @Override
+        native byte[] sign(byte[] data, byte[] privkey, ECParameterSpec params);
+
+        @Override
+        native boolean verify(byte[] signature, byte[] data, byte[] pubkey, ECParameterSpec params);
+    }
+
+    public static class BotanECDSAwithNONE extends Botan {
+
+        public BotanECDSAwithNONE() {
+            super("NONEwithECDSA");
+        }
+    }
+
+    public static class BotanECDSAwithSHA1 extends Botan {
+
+        public BotanECDSAwithSHA1() {
+            super("SHA1withECDSA");
+        }
+    }
+
+    public static class BotanECDSAwithSHA224 extends Botan {
+
+        public BotanECDSAwithSHA224() {
+            super("SHA224withECDSA");
+        }
+    }
+
+    public static class BotanECDSAwithSHA256 extends Botan {
+
+        public BotanECDSAwithSHA256() {
+            super("SHA256withECDSA");
+        }
+    }
+
+    public static class BotanECDSAwithSHA384 extends Botan {
+
+        public BotanECDSAwithSHA384() {
+            super("SHA384withECDSA");
+        }
+    }
+
+    public static class BotanECDSAwithSHA512 extends Botan {
+
+        public BotanECDSAwithSHA512() {
+            super("SHA512withECDSA");
+        }
+    }
+
+    public static class BotanECKCDSAwithNONE extends Botan {
+
+        public BotanECKCDSAwithNONE() {
+            super("NONEwithECKCDSA");
+        }
+    }
+
+    public static class BotanECKCDSAwithSHA1 extends Botan {
+
+        public BotanECKCDSAwithSHA1() {
+            super("SHA1withECKCDSA");
+        }
+    }
+
+    public static class BotanECKCDSAwithSHA224 extends Botan {
+
+        public BotanECKCDSAwithSHA224() {
+            super("SHA224withECKCDSA");
+        }
+    }
+
+    public static class BotanECKCDSAwithSHA256 extends Botan {
+
+        public BotanECKCDSAwithSHA256() {
+            super("SHA256withECKCDSA");
+        }
+    }
+
+    public static class BotanECKCDSAwithSHA384 extends Botan {
+
+        public BotanECKCDSAwithSHA384() {
+            super("SHA384withECKCDSA");
+        }
+    }
+
+    public static class BotanECKCDSAwithSHA512 extends Botan {
+
+        public BotanECKCDSAwithSHA512() {
+            super("SHA512withECKCDSA");
+        }
+    }
+
+    public static class BotanECGDSAwithNONE extends Botan {
+
+        public BotanECGDSAwithNONE() {
+            super("NONEwithECGDSA");
+        }
+    }
+
+    public static class BotanECGDSAwithSHA1 extends Botan {
+
+        public BotanECGDSAwithSHA1() {
+            super("SHA1withECGDSA");
+        }
+    }
+
+    public static class BotanECGDSAwithSHA224 extends Botan {
+
+        public BotanECGDSAwithSHA224() {
+            super("SHA224withECGDSA");
+        }
+    }
+
+    public static class BotanECGDSAwithSHA256 extends Botan {
+
+        public BotanECGDSAwithSHA256() {
+            super("SHA256withECGDSA");
+        }
+    }
+
+    public static class BotanECGDSAwithSHA384 extends Botan {
+
+        public BotanECGDSAwithSHA384() {
+            super("SHA384withECGDSA");
+        }
+    }
+
+    public static class BotanECGDSAwithSHA512 extends Botan {
+
+        public BotanECGDSAwithSHA512() {
+            super("SHA512withECGDSA");
+        }
+    }
+}