diff --git a/tests/data_files/test-ca-alt.key b/tests/data_files/test-ca-alt.key
new file mode 100644
index 0000000..84b8fab
--- /dev/null
+++ b/tests/data_files/test-ca-alt.key
@@ -0,0 +1,27 @@
+-----BEGIN RSA PRIVATE KEY-----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+-----END RSA PRIVATE KEY-----