implement work-around to fix possible incompatibility between IAIK JCE/Eccelerate and JWS lib in case of ECC keys

8 files changed, 174 insertions, 44 deletions

diff --git a/eaaf_modules/eaaf_module_auth_sl20/pom.xml b/eaaf_modules/eaaf_module_auth_sl20/pom.xml
index b40e8add..e67f0dc0 100644
--- a/eaaf_modules/eaaf_module_auth_sl20/pom.xml
+++ b/eaaf_modules/eaaf_module_auth_sl20/pom.xml
@@ -79,6 +79,16 @@
       <artifactId>provider</artifactId>
       <scope>test</scope>
     </dependency> 
+    <dependency>
+      <groupId>iaik.prod</groupId>
+      <artifactId>iaik_jce_full</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>iaik.prod</groupId>
+      <artifactId>iaik_eccelerate</artifactId>
+      <scope>test</scope>
+    </dependency>
     
   </dependencies>
 
diff --git a/eaaf_modules/eaaf_module_auth_sl20/src/main/java/at/gv/egiz/eaaf/modules/auth/sl20/utils/JoseUtils.java b/eaaf_modules/eaaf_module_auth_sl20/src/main/java/at/gv/egiz/eaaf/modules/auth/sl20/utils/JoseUtils.java
index d8c39931..48b10580 100644
--- a/eaaf_modules/eaaf_module_auth_sl20/src/main/java/at/gv/egiz/eaaf/modules/auth/sl20/utils/JoseUtils.java
+++ b/eaaf_modules/eaaf_module_auth_sl20/src/main/java/at/gv/egiz/eaaf/modules/auth/sl20/utils/JoseUtils.java
@@ -2,12 +2,19 @@ package at.gv.egiz.eaaf.modules.auth.sl20.utils;
 
 import java.io.IOException;
 import java.security.Key;
+import java.security.KeyFactory;
 import java.security.KeyStore;
+import java.security.NoSuchAlgorithmException;
 import java.security.Provider;
+import java.security.PublicKey;
 import java.security.cert.CertificateEncodingException;
 import java.security.cert.X509Certificate;
 import java.security.interfaces.ECPrivateKey;
+import java.security.interfaces.ECPublicKey;
 import java.security.interfaces.RSAPrivateKey;
+import java.security.spec.InvalidKeySpecException;
+import java.security.spec.PKCS8EncodedKeySpec;
+import java.security.spec.X509EncodedKeySpec;
 import java.util.Collections;
 import java.util.List;
 import java.util.Map;
@@ -15,13 +22,8 @@ import java.util.Map.Entry;
 
 import javax.annotation.Nonnull;
 
-import at.gv.egiz.eaaf.core.exception.EaafKeyUsageException;
-import at.gv.egiz.eaaf.core.exceptions.EaafException;
-import at.gv.egiz.eaaf.core.impl.credential.EaafKeyStoreUtils;
-import at.gv.egiz.eaaf.core.impl.data.Pair;
-import at.gv.egiz.eaaf.core.impl.utils.X509Utils;
-
 import org.apache.commons.lang3.StringUtils;
+import org.bouncycastle.jce.provider.BouncyCastleProvider;
 import org.jose4j.jca.ProviderContext;
 import org.jose4j.jwa.AlgorithmConstraints;
 import org.jose4j.jws.AlgorithmIdentifiers;
@@ -32,6 +34,11 @@ import org.jose4j.keys.resolvers.X509VerificationKeyResolver;
 import org.jose4j.lang.JoseException;
 import org.springframework.util.Base64Utils;
 
+import at.gv.egiz.eaaf.core.exception.EaafKeyUsageException;
+import at.gv.egiz.eaaf.core.exceptions.EaafException;
+import at.gv.egiz.eaaf.core.impl.credential.EaafKeyStoreUtils;
+import at.gv.egiz.eaaf.core.impl.data.Pair;
+import at.gv.egiz.eaaf.core.impl.utils.X509Utils;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.extern.slf4j.Slf4j;
@@ -45,6 +52,8 @@ import lombok.extern.slf4j.Slf4j;
 @Slf4j
 public class JoseUtils {
 
+  private static final Provider provider = new BouncyCastleProvider();
+  
   /**
    * Create a JWS signature.
    *
@@ -161,7 +170,10 @@ public class JoseUtils {
     // set signing information
     final Pair<Key, X509Certificate[]> signingCred = EaafKeyStoreUtils.getPrivateKeyAndCertificates(
         keyStore.getFirst(), keyAlias, keyPassword, true, friendlyNameForLogging);
-    jws.setKey(signingCred.getFirst());
+    
+    // set verification key
+    jws.setKey(convertToBcKeyIfRequired(signingCred.getFirst()));
+              
     jws.setAlgorithmHeaderValue(getKeyOperationAlgorithmFromCredential(
         jws.getKey(), rsaAlgToUse, eccAlgToUse, friendlyNameForLogging));
 
@@ -173,7 +185,7 @@ public class JoseUtils {
           keyStore.getSecond().getName());
       jws.setProviderContext(providerCtx);
 
-    }
+    } 
 
     if (addFullCertChain) {
       jws.setCertificateChainHeaderValue(signingCred.getSecond());
@@ -216,6 +228,8 @@ public class JoseUtils {
       log.trace("Sorting received X509 certificates ... ");
       final List<X509Certificate> sortedX5cCerts = X509Utils.sortCertificates(x5cCerts);
 
+      
+      
       if (trustedCerts.contains(sortedX5cCerts.get(0))) {
         selectedKey = sortedX5cCerts.get(0).getPublicKey();
 
@@ -247,10 +261,10 @@ public class JoseUtils {
       throw new JoseException("Can NOT select verification key for JWS. Signature verification FAILED");
 
     }
-
+    
     // set verification key
-    jws.setKey(selectedKey);
-
+    jws.setKey(convertToBcKeyIfRequired(selectedKey));
+     
     // load payLoad
     return new JwsResult(
         jws.verifySignature(),
@@ -260,6 +274,48 @@ public class JoseUtils {
 
   }
 
+  
+  /**
+   * Convert an ECC public-key into BouncyCastle implementation.
+   *  
+   *  <p> IAIK JCE / Eccelerate ECC Keys are not compatible to JWS impl.</p>
+   * @param input Key
+   * @return input Key, or BC ECC-Key in case of a ECC Key 
+   */
+  public static Key convertToBcKeyIfRequired(Key input) {
+    try {
+      if (input instanceof ECPublicKey 
+          && "iaik.security.ec.common.ECPublicKey".equals(input.getClass().getName())) {
+
+        //convert Key to BouncyCastle KeyImplemenation because there is an 
+        //incompatibility with IAIK EC Keys and JWS signature-verfification implementation
+        PublicKey publicKey = KeyFactory.getInstance(
+            input.getAlgorithm(), provider).generatePublic(
+                new X509EncodedKeySpec(input.getEncoded()));
+        return publicKey;
+          
+      } else if (input instanceof ECPrivateKey 
+          && "iaik.security.ec.common.ECPrivateKey".equals(input.getClass().getName())) {
+        //convert Key to BouncyCastle KeyImplemenation because there is an 
+        //incompatibility with IAIK EC Keys and JWS signature-creation implementation
+        Key privateKey = KeyFactory.getInstance(
+            input.getAlgorithm(), provider).generatePrivate(
+                new PKCS8EncodedKeySpec(input.getEncoded()));
+        
+        return privateKey;
+      
+      } 
+            
+    } catch (InvalidKeySpecException | NoSuchAlgorithmException e) {
+      log.warn("Can NOT convert {} to {}. The verification may FAIL.", 
+          input.getClass().getName(), PublicKey.class.getName(), e);
+      
+    }
+    
+    return input;
+    
+  }
+  
   /**
    * Select signature algorithm for a given credential.
    *
diff --git a/eaaf_modules/eaaf_module_auth_sl20/src/main/java/at/gv/egiz/eaaf/modules/auth/sl20/utils/JsonSecurityUtils.java b/eaaf_modules/eaaf_module_auth_sl20/src/main/java/at/gv/egiz/eaaf/modules/auth/sl20/utils/JsonSecurityUtils.java
index 10cfeafa..27f06276 100644
--- a/eaaf_modules/eaaf_module_auth_sl20/src/main/java/at/gv/egiz/eaaf/modules/auth/sl20/utils/JsonSecurityUtils.java
+++ b/eaaf_modules/eaaf_module_auth_sl20/src/main/java/at/gv/egiz/eaaf/modules/auth/sl20/utils/JsonSecurityUtils.java
@@ -13,24 +13,6 @@ import java.util.List;
 import javax.annotation.Nonnull;
 import javax.annotation.PostConstruct;
 
-import at.gv.egiz.eaaf.core.api.idp.IConfiguration;
-import at.gv.egiz.eaaf.core.exception.EaafKeyAccessException;
-import at.gv.egiz.eaaf.core.exceptions.EaafConfigurationException;
-import at.gv.egiz.eaaf.core.exceptions.EaafException;
-import at.gv.egiz.eaaf.core.impl.credential.EaafKeyStoreFactory;
-import at.gv.egiz.eaaf.core.impl.credential.EaafKeyStoreUtils;
-import at.gv.egiz.eaaf.core.impl.credential.KeyStoreConfiguration;
-import at.gv.egiz.eaaf.core.impl.credential.KeyStoreConfiguration.KeyStoreType;
-import at.gv.egiz.eaaf.core.impl.data.Pair;
-import at.gv.egiz.eaaf.core.impl.utils.X509Utils;
-import at.gv.egiz.eaaf.modules.auth.sl20.Constants;
-import at.gv.egiz.eaaf.modules.auth.sl20.data.VerificationResult;
-import at.gv.egiz.eaaf.modules.auth.sl20.exceptions.SL20Exception;
-import at.gv.egiz.eaaf.modules.auth.sl20.exceptions.SL20SecurityException;
-import at.gv.egiz.eaaf.modules.auth.sl20.exceptions.SlCommandoBuildException;
-import at.gv.egiz.eaaf.modules.auth.sl20.exceptions.SlCommandoParserException;
-import at.gv.egiz.eaaf.modules.auth.sl20.utils.JoseUtils.JwsResult;
-
 import org.apache.commons.lang3.StringUtils;
 import org.jose4j.jca.ProviderContext;
 import org.jose4j.jwa.AlgorithmConstraints;
@@ -50,6 +32,24 @@ import org.springframework.util.Base64Utils;
 import com.fasterxml.jackson.core.JsonParseException;
 import com.fasterxml.jackson.databind.JsonNode;
 
+import at.gv.egiz.eaaf.core.api.idp.IConfiguration;
+import at.gv.egiz.eaaf.core.exception.EaafKeyAccessException;
+import at.gv.egiz.eaaf.core.exceptions.EaafConfigurationException;
+import at.gv.egiz.eaaf.core.exceptions.EaafException;
+import at.gv.egiz.eaaf.core.impl.credential.EaafKeyStoreFactory;
+import at.gv.egiz.eaaf.core.impl.credential.EaafKeyStoreUtils;
+import at.gv.egiz.eaaf.core.impl.credential.KeyStoreConfiguration;
+import at.gv.egiz.eaaf.core.impl.credential.KeyStoreConfiguration.KeyStoreType;
+import at.gv.egiz.eaaf.core.impl.data.Pair;
+import at.gv.egiz.eaaf.core.impl.utils.X509Utils;
+import at.gv.egiz.eaaf.modules.auth.sl20.Constants;
+import at.gv.egiz.eaaf.modules.auth.sl20.data.VerificationResult;
+import at.gv.egiz.eaaf.modules.auth.sl20.exceptions.SL20Exception;
+import at.gv.egiz.eaaf.modules.auth.sl20.exceptions.SL20SecurityException;
+import at.gv.egiz.eaaf.modules.auth.sl20.exceptions.SlCommandoBuildException;
+import at.gv.egiz.eaaf.modules.auth.sl20.exceptions.SlCommandoParserException;
+import at.gv.egiz.eaaf.modules.auth.sl20.utils.JoseUtils.JwsResult;
+
 @Service
 public class JsonSecurityUtils implements IJoseTools {
   private static final Logger log = LoggerFactory.getLogger(JsonSecurityUtils.class);
@@ -269,7 +269,7 @@ public class JsonSecurityUtils implements IJoseTools {
       }
 
       // set key
-      receiverJwe.setKey(encryptionCred.getFirst());
+      receiverJwe.setKey(JoseUtils.convertToBcKeyIfRequired(encryptionCred.getFirst()));
 
       // decrypt payload
       return mapper.getMapper().readTree(receiverJwe.getPlaintextString());
diff --git a/eaaf_modules/eaaf_module_auth_sl20/src/test/java/at/gv/egiz/eaaf/modules/auth/sl20/utils/AbstractJsonSecurityUtilsTest.java b/eaaf_modules/eaaf_module_auth_sl20/src/test/java/at/gv/egiz/eaaf/modules/auth/sl20/utils/AbstractJsonSecurityUtilsTest.java
index 917ef1e0..8516a0ed 100644
--- a/eaaf_modules/eaaf_module_auth_sl20/src/test/java/at/gv/egiz/eaaf/modules/auth/sl20/utils/AbstractJsonSecurityUtilsTest.java
+++ b/eaaf_modules/eaaf_module_auth_sl20/src/test/java/at/gv/egiz/eaaf/modules/auth/sl20/utils/AbstractJsonSecurityUtilsTest.java
@@ -9,15 +9,6 @@ import java.security.Security;
 import java.security.cert.CertificateEncodingException;
 import java.security.cert.X509Certificate;
 
-import at.gv.egiz.eaaf.core.exceptions.EaafException;
-import at.gv.egiz.eaaf.core.impl.credential.EaafKeyStoreFactory;
-import at.gv.egiz.eaaf.core.impl.credential.EaafKeyStoreUtils;
-import at.gv.egiz.eaaf.core.impl.credential.KeyStoreConfiguration;
-import at.gv.egiz.eaaf.core.impl.credential.KeyStoreConfiguration.KeyStoreType;
-import at.gv.egiz.eaaf.core.impl.data.Pair;
-import at.gv.egiz.eaaf.core.test.dummy.DummyAuthConfigMap;
-import at.gv.egiz.eaaf.modules.auth.sl20.data.VerificationResult;
-
 import org.apache.commons.lang3.RandomStringUtils;
 import org.bouncycastle.jce.provider.BouncyCastleProvider;
 import org.jose4j.base64url.Base64Url;
@@ -38,6 +29,15 @@ import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
 
 import com.fasterxml.jackson.databind.JsonNode;
 
+import at.gv.egiz.eaaf.core.exceptions.EaafException;
+import at.gv.egiz.eaaf.core.impl.credential.EaafKeyStoreFactory;
+import at.gv.egiz.eaaf.core.impl.credential.EaafKeyStoreUtils;
+import at.gv.egiz.eaaf.core.impl.credential.KeyStoreConfiguration;
+import at.gv.egiz.eaaf.core.impl.credential.KeyStoreConfiguration.KeyStoreType;
+import at.gv.egiz.eaaf.core.impl.data.Pair;
+import at.gv.egiz.eaaf.core.test.dummy.DummyAuthConfigMap;
+import at.gv.egiz.eaaf.modules.auth.sl20.data.VerificationResult;
+
 @RunWith(SpringJUnit4ClassRunner.class)
 @ContextConfiguration("/spring/test_eaaf_sl20_hsm.beans.xml")
 public abstract class AbstractJsonSecurityUtilsTest {
@@ -78,7 +78,7 @@ public abstract class AbstractJsonSecurityUtilsTest {
     final JsonWebEncryption jwe = new JsonWebEncryption();
     jwe.setAlgorithmHeaderValue(KeyManagementAlgorithmIdentifiers.ECDH_ES_A256KW);
     jwe.setEncryptionMethodHeaderParameter(ContentEncryptionAlgorithmIdentifiers.AES_128_GCM);
-    jwe.setKey(joseTools.getEncryptionCertificate().getPublicKey());
+    jwe.setKey(JoseUtils.convertToBcKeyIfRequired(joseTools.getEncryptionCertificate().getPublicKey()));
     jwe.setX509CertSha256ThumbprintHeaderValue(joseTools.getEncryptionCertificate());
     jwe.setPayload(payLoad);
 
@@ -141,7 +141,7 @@ public abstract class AbstractJsonSecurityUtilsTest {
     final JsonWebEncryption jwe = new JsonWebEncryption();
     jwe.setAlgorithmHeaderValue(KeyManagementAlgorithmIdentifiers.ECDH_ES_A256KW);
     jwe.setEncryptionMethodHeaderParameter(ContentEncryptionAlgorithmIdentifiers.AES_128_GCM);
-    jwe.setKey(key.getSecond()[0].getPublicKey());
+    jwe.setKey(JoseUtils.convertToBcKeyIfRequired(key.getSecond()[0].getPublicKey()));
     jwe.setPayload(payLoad);
 
     // set special provider if required
diff --git a/eaaf_modules/eaaf_module_auth_sl20/src/test/java/at/gv/egiz/eaaf/modules/auth/sl20/utils/JoseUtilsTest.java b/eaaf_modules/eaaf_module_auth_sl20/src/test/java/at/gv/egiz/eaaf/modules/auth/sl20/utils/JoseUtilsTest.java
new file mode 100644
index 00000000..7771ce60
--- /dev/null
+++ b/eaaf_modules/eaaf_module_auth_sl20/src/test/java/at/gv/egiz/eaaf/modules/auth/sl20/utils/JoseUtilsTest.java
@@ -0,0 +1,58 @@
+package at.gv.egiz.eaaf.modules.auth.sl20.utils;
+
+import java.io.IOException;
+import java.security.NoSuchProviderException;
+import java.security.cert.CertificateException;
+import java.security.cert.X509Certificate;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+import org.apache.commons.io.IOUtils;
+import org.jose4j.jwa.AlgorithmConstraints;
+import org.jose4j.jwa.AlgorithmConstraints.ConstraintType;
+import org.jose4j.jws.AlgorithmIdentifiers;
+import org.jose4j.lang.JoseException;
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.BlockJUnit4ClassRunner;
+
+import at.gv.egiz.eaaf.modules.auth.sl20.utils.JoseUtils.JwsResult;
+
+@RunWith(BlockJUnit4ClassRunner.class)
+public class JoseUtilsTest {
+
+  private static final List<String> BINDING_AUTH_ALGORITHM_WHITELIST_SIGNING = Collections.unmodifiableList(
+      Arrays.asList(
+          AlgorithmIdentifiers.ECDSA_USING_P256_CURVE_AND_SHA256,
+          AlgorithmIdentifiers.ECDSA_USING_P521_CURVE_AND_SHA512,
+          AlgorithmIdentifiers.RSA_PSS_USING_SHA256,
+          AlgorithmIdentifiers.RSA_PSS_USING_SHA512));
+
+  @Test
+  public void testBindingAuthBlock() throws JoseException, IOException, CertificateException, NoSuchProviderException {
+    
+    final String serializedContent = IOUtils.toString(JoseUtils.class.getResourceAsStream(
+        "/data/bindingAuth1.jws"), "UTF-8");
+        
+    final iaik.x509.X509Certificate trustedCert = new iaik.x509.X509Certificate(JoseUtils.class
+        .getResourceAsStream("/data/bindingAuth1.crt"));
+            
+    final List<X509Certificate> trustedCerts = Arrays.asList(trustedCert);
+    final AlgorithmConstraints constraints = new AlgorithmConstraints(ConstraintType.PERMIT,
+        BINDING_AUTH_ALGORITHM_WHITELIST_SIGNING
+            .toArray(new String[BINDING_AUTH_ALGORITHM_WHITELIST_SIGNING.size()]));
+
+    final JwsResult result = JoseUtils.validateSignature(serializedContent, trustedCerts, constraints);
+
+    Assert.assertNotNull("JWS verify result", result);
+    Assert.assertTrue("JWS not valid", result.isValid());
+    Assert.assertNotNull("JWS payload", result.getPayLoad());
+    Assert.assertNotNull("JWS Headers", result.getFullJoseHeader());
+    Assert.assertNotNull("JWS Signercerts", result.getX5cCerts());
+    Assert.assertEquals("Signercerts size", 1, result.getX5cCerts().size());
+    Assert.assertArrayEquals("Signercerts", trustedCert.getEncoded(), result.getX5cCerts().get(0).getEncoded());
+
+  }
+}
diff --git a/eaaf_modules/eaaf_module_auth_sl20/src/test/resources/data/bindingAuth1.crt b/eaaf_modules/eaaf_module_auth_sl20/src/test/resources/data/bindingAuth1.crt
new file mode 100644
index 00000000..11c17e71
--- /dev/null
+++ b/eaaf_modules/eaaf_module_auth_sl20/src/test/resources/data/bindingAuth1.crt
@@ -0,0 +1,3 @@
+-----BEGIN CERTIFICATE-----
+MIIBXzCCAQWgAwIBAgIIPuBGtvo16nUwCgYIKoZIzj0EAwIwGjEYMBYGA1UEAwwPRHVtbXlQa2lTZXJ2aWNlMB4XDTIwMTAwNzEyMTAyMVoXDTIxMTAwNzEyMTAyMVowUTEpMCcGA1UEAwwgNWMzM2Q3MjdlY2YzZTAyYTE2NmYzYWI2NWZiYTEzOGExFDASBgNVBAoMC0VJRC1ERVYtUEtJMQ4wDAYDVQQLDAVULUVudjBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABACA6RBPYIX3i0+TqYq2gb3XAD0B1/tee3/lP8sPc+tt6GFDN0Vsos77VojhRQnGRndmoWi9OW7KS5uQe+5++W8wCgYIKoZIzj0EAwIDSAAwRQIhAO7NlM4YfnapZ9Vam/LF/5ASPGbN4SK0fK4bhGHQw8yIAiB77JHkZIaDtgCcv7CSPf/mvldSf5ViPelhuZBPSLRUsQ==
+-----END CERTIFICATE-----
diff --git a/eaaf_modules/eaaf_module_auth_sl20/src/test/resources/data/bindingAuth1.jws b/eaaf_modules/eaaf_module_auth_sl20/src/test/resources/data/bindingAuth1.jws
new file mode 100644
index 00000000..6ba84d97
--- /dev/null
+++ b/eaaf_modules/eaaf_module_auth_sl20/src/test/resources/data/bindingAuth1.jws
@@ -0,0 +1 @@
+eyJ4NWMiOlsiTUlJQlh6Q0NBUVdnQXdJQkFnSUlQdUJHdHZvMTZuVXdDZ1lJS29aSXpqMEVBd0l3R2pFWU1CWUdBMVVFQXd3UFJIVnRiWGxRYTJsVFpYSjJhV05sTUI0WERUSXdNVEF3TnpFeU1UQXlNVm9YRFRJeE1UQXdOekV5TVRBeU1Wb3dVVEVwTUNjR0ExVUVBd3dnTldNek0yUTNNamRsWTJZelpUQXlZVEUyTm1ZellXSTJOV1ppWVRFek9HRXhGREFTQmdOVkJBb01DMFZKUkMxRVJWWXRVRXRKTVE0d0RBWURWUVFMREFWVUxVVnVkakJaTUJNR0J5cUdTTTQ5QWdFR0NDcUdTTTQ5QXdFSEEwSUFCQUNBNlJCUFlJWDNpMCtUcVlxMmdiM1hBRDBCMVwvdGVlM1wvbFA4c1BjK3R0NkdGRE4wVnNvczc3Vm9qaFJRbkdSbmRtb1dpOU9XN0tTNXVRZSs1KytXOHdDZ1lJS29aSXpqMEVBd0lEU0FBd1JRSWhBTzdObE00WWZuYXBaOVZhbVwvTEZcLzVBU1BHYk40U0swZks0YmhHSFF3OHlJQWlCNzdKSGtaSWFEdGdDY3Y3Q1NQZlwvbXZsZFNmNVZpUGVsaHVaQlBTTFJVc1E9PSJdLCJ0eXAiOiJiaW5kaW5nQXV0aCIsImFsZyI6IkVTMjU2In0.MzIxZmVmYTQtODVkOC00YmE5LWE0MmUtYWY4MzM3YTEyNTA1.diiXXegwv3Gu6ezJRxf7F5BnRxNhTnBXJ0D5RX4OqDxs2QvfzSPA4mOkUed18_56aILMBLVL-XIMszNILfp7OA
\ No newline at end of file
diff --git a/eaaf_modules/eaaf_module_moa-sig/src/main/java/at/gv/egiz/eaaf/modules/sigverify/moasig/impl/MoaSigInitializer.java b/eaaf_modules/eaaf_module_moa-sig/src/main/java/at/gv/egiz/eaaf/modules/sigverify/moasig/impl/MoaSigInitializer.java
index ae8c2c97..880b3791 100644
--- a/eaaf_modules/eaaf_module_moa-sig/src/main/java/at/gv/egiz/eaaf/modules/sigverify/moasig/impl/MoaSigInitializer.java
+++ b/eaaf_modules/eaaf_module_moa-sig/src/main/java/at/gv/egiz/eaaf/modules/sigverify/moasig/impl/MoaSigInitializer.java
@@ -49,9 +49,11 @@ public class MoaSigInitializer {
     log.info("Initializing MOA-Sig signature-verification service ... ");
 
     log.info("Loading Java security providers.");
-    IAIK.addAsProvider();
-    ECCelerate.addAsProvider();
-
+    //IAIK.addAsProvider();
+    //ECCelerate.addAsProvider();
+    Security.addProvider(new IAIK());
+    Security.addProvider(new ECCelerate());
+    
     try {
       LoggingContextManager.getInstance().setLoggingContext(new LoggingContext("startup"));
       log.debug("MOA-Sig library initialization process ... ");