Index: src/org/apache/xml/security/utils/Base64.java
===================================================================
--- src/org/apache/xml/security/utils/Base64.java	(revision 776326)
+++ src/org/apache/xml/security/utils/Base64.java	(working copy)
@@ -190,7 +190,7 @@
 
       String encodedInt = encode(biginteger);
 
-      if (encodedInt.length() > 76) {
+      if (!XMLUtils.ignoreLineBreaks() && encodedInt.length() > BASE64DEFAULTLENGTH) {
          encodedInt = "\n" + encodedInt + "\n";
       }