diff --git a/tests/extrasamples/README b/tests/extrasamples/README
index 3102eac15..31efcbde0 100644
--- a/tests/extrasamples/README
+++ b/tests/extrasamples/README
@@ -1,5 +1,11 @@
-Extra test data where it is not clear whether we may distribute them.  This
+Extra test data where it is not clear whether we may distribute them.  Thus
 we only keep them in the CVS.
 
 dod-test9.p12    A file from the DoD X.509 tests suite, September 2001.
                  Passphrase is "password".
+
+siemens-ZZZZZ000.crt
+siemens-ZZZZZ0EE.crt
+                 Two certificates from the Siemens CA featuring a trailing
+		 garbage byte and crlDPs with several names.
+
diff --git a/tests/extrasamples/siemens-ZZZZZ000.crt b/tests/extrasamples/siemens-ZZZZZ000.crt
new file mode 100644
index 000000000..6807b5c26
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diff --git a/tests/extrasamples/siemens-ZZZZZ0EE.crt b/tests/extrasamples/siemens-ZZZZZ0EE.crt
new file mode 100644
index 000000000..e8a50dbb0
Binary files /dev/null and b/tests/extrasamples/siemens-ZZZZZ0EE.crt differ