fixed decoding logic for EndOfContent object

Author: HoneyryderChuck

src/main/java/org/jruby/ext/openssl/ASN1.java

@@ -1170,10 +1170,6 @@ private static IRubyObject decodeImpl(final ThreadContext context, final RubyMod
         int offset = in.offset();
         final int tag = asn1[offset] & 0xFF;
 
-        if ( ( tag & BERTags.CONSTRUCTED ) == 0 ) {
-            return decodeObject(context, ASN1, readObject(in));
-        }
-
         // NOTE: need to handle OpenSSL::ASN1::Constructive wrapping by hand :
         int tagNo = tag & 0x1f;
         if (tagNo == 0x1f)
@@ -1204,6 +1200,18 @@ private static IRubyObject decodeImpl(final ThreadContext context, final RubyMod
         }
         final int length = asn1[ ++offset ] & 0xFF;
         final boolean isIndefiniteLength = length == 0x80;
+
+
+        if ( ( tag & BERTags.CONSTRUCTED ) == 0 ) {
+            if (tagNo == 0 && length == 0) {
+                in.read(); in.read();
+                return EndOfContent.newInstance(context);
+            }
+
+            return decodeObject(context, ASN1, readObject(in));
+        }
+
+
         IRubyObject decoded;
 
         decoded = decodeObject(context, ASN1, readObject(in));