From 1d8f51ba16c681ed82f55609c918acc2553d21da Mon Sep 17 00:00:00 2001
From: rudolf <rudolf@d688527b-c9ab-4aba-bd8d-4036d912da1d>
Date: Fri, 21 Jan 2005 18:28:42 +0000
Subject: added ECDSA Key handling

git-svn-id: https://joinup.ec.europa.eu/svn/moa-idspss/trunk@241 d688527b-c9ab-4aba-bd8d-4036d912da1d
---
 .../auth/parser/IdentityLinkAssertionParser.java   | 40 +++++++++++++++++++---
 1 file changed, 36 insertions(+), 4 deletions(-)

diff --git a/id.server/src/at/gv/egovernment/moa/id/auth/parser/IdentityLinkAssertionParser.java b/id.server/src/at/gv/egovernment/moa/id/auth/parser/IdentityLinkAssertionParser.java
index 49baf1bf5..dd44419da 100644
--- a/id.server/src/at/gv/egovernment/moa/id/auth/parser/IdentityLinkAssertionParser.java
+++ b/id.server/src/at/gv/egovernment/moa/id/auth/parser/IdentityLinkAssertionParser.java
@@ -19,6 +19,7 @@ import at.gv.egovernment.moa.util.Base64Utils;
 import at.gv.egovernment.moa.util.Constants;
 import at.gv.egovernment.moa.util.DOMUtils;
 import at.gv.egovernment.moa.util.XPathUtils;
+import at.gv.egovernment.moa.id.util.ECDSAKeyValueConverter;
 
 /**
  * Parses an identity link <code>&lt;saml:Assertion&gt;</code>
@@ -118,6 +119,20 @@ public class IdentityLinkAssertionParser {
       + "AttributeValue/"
       + DSIG
       + "RSAKeyValue";
+
+  /** Xpath expression to the ECKeyValue element */
+  private static final String ECDSA_KEY_VALUE_XPATH =
+    ROOT
+      + SAML
+      + "AttributeStatement/"
+      + SAML
+      + "Attribute/"
+      + SAML
+      + "AttributeValue/"
+      + ECDSA
+      + "ECDSAKeyValue";
+
+  
   /** Xpath expression to the RSA Modulus element */
   private static final String RSA_KEY_MODULUS_XPATH = DSIG + "Modulus";
   /** Xpath expression to the RSA Exponent element */
@@ -228,14 +243,15 @@ public class IdentityLinkAssertionParser {
    * @return RSAPublicKey[]
    * @throws IOException can occur when decoding the base64 values of the modulus and exponent
    */
-  public PublicKey[] getPublicKeys() throws IOException{
+  public PublicKey[] getPublicKeys() throws IOException, ECDSAConverterException{
 
 
     List pubKeys = new ArrayList();
     //Try to get RSA-Keys
     NodeIterator rsaIter =
-      XPathUtils.selectNodeIterator(assertionElem, RSA_KEY_VALUE_XPATH);
+      XPathUtils.selectNodeIterator(assertionElem, Constants.nSMap, RSA_KEY_VALUE_XPATH);
     Element rsaElem;
+    
     while ((rsaElem = (Element) rsaIter.nextNode()) != null) {
       String modulus =
         XPathUtils.getElementValue(rsaElem, RSA_KEY_MODULUS_XPATH, "");
@@ -246,10 +262,26 @@ public class IdentityLinkAssertionParser {
         new iaik.security.rsa.RSAPublicKey(
           new BigInteger(1, Base64Utils.decode(modulus, true)),
           new BigInteger(1, Base64Utils.decode(exponent, true)));
-      pubKeys.add(resPub);}
+      pubKeys.add(resPub);
+    }
+
+    //Try to get ECDSA-Keys
+    NodeIterator ecdsaIter =
+      XPathUtils.selectNodeIterator(assertionElem, Constants.nSMap, ECDSA_KEY_VALUE_XPATH);
+    Element ecdsaElem;
+    PublicKey ecPubKey = null;
+    while ((ecdsaElem = (Element) ecdsaIter.nextNode()) != null) {
+        try {
+            ecPubKey = ECDSAKeyValueConverter.element2ECDSAPublicKey(ecdsaElem);
+            pubKeys.add(ecPubKey);
+        }
+        catch(Exception e) {
+            //TODO test
+            throw new ECDSAConverterException("parser.03", new Object[] { e.toString() }, e);
+        }
+    }
     
     PublicKey[] result = new PublicKey[pubKeys.size()];
-
     pubKeys.toArray(result);
     return result;
 
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