Index: autofirma-1.7.2/afirma-server-triphase-signer-core/src/main/java/es/gob/afirma/triphase/signer/xades/KeyHelperEcdsa.java
===================================================================
--- autofirma-1.7.2.orig/afirma-server-triphase-signer-core/src/main/java/es/gob/afirma/triphase/signer/xades/KeyHelperEcdsa.java
+++ autofirma-1.7.2/afirma-server-triphase-signer-core/src/main/java/es/gob/afirma/triphase/signer/xades/KeyHelperEcdsa.java
@@ -72,7 +72,7 @@ final class KeyHelperEcdsa implements Ke
 	    if(publicKey instanceof java.security.interfaces.ECPublicKey){
 	        final java.security.interfaces.ECPublicKey pk = (java.security.interfaces.ECPublicKey) publicKey;
 	        final ECParameterSpec params = pk.getParams();
-	        return deriveCurveName(EC5Util.convertSpec(params, false));
+	        return deriveCurveName(EC5Util.convertSpec(params));
 	    }
 	    else if(publicKey instanceof org.bouncycastle.jce.interfaces.ECPublicKey) {
 	        final org.bouncycastle.jce.interfaces.ECPublicKey pk = (org.bouncycastle.jce.interfaces.ECPublicKey) publicKey;