diff --git a/tests/data/key_rsa b/tests/data/key_rsa
new file mode 100644
index 0000000..863b04f
--- /dev/null
+++ b/tests/data/key_rsa
@@ -0,0 +1,27 @@
+-----BEGIN RSA PRIVATE KEY-----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+-----END RSA PRIVATE KEY-----