diff --git a/tests/data_files/keyfile.aes128 b/tests/data_files/keyfile.aes128
new file mode 100644
index 0000000..dd7443f
--- /dev/null
+++ b/tests/data_files/keyfile.aes128
@@ -0,0 +1,18 @@
+-----BEGIN RSA PRIVATE KEY-----
+Proc-Type: 4,ENCRYPTED
+DEK-Info: AES-128-CBC,B5FA3F70C2AF79EB9D3DD2C40E7AE61A
+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-----END RSA PRIVATE KEY-----