diff --git a/tests/data_files/cli-rsa.key.der b/tests/data_files/cli-rsa.key.der
new file mode 100644
index 0000000..8ef5a04
--- /dev/null
+++ b/tests/data_files/cli-rsa.key.der
Binary files differ
diff --git a/tests/data_files/server2-sha256.crt.der b/tests/data_files/server2-sha256.crt.der
new file mode 100644
index 0000000..e66ad36
--- /dev/null
+++ b/tests/data_files/server2-sha256.crt.der
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diff --git a/tests/data_files/test-ca.key.der b/tests/data_files/test-ca.key.der
new file mode 100644
index 0000000..4678a1a
--- /dev/null
+++ b/tests/data_files/test-ca.key.der
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diff --git a/tests/data_files/test-ca2.key.enc b/tests/data_files/test-ca2.key.enc
new file mode 100644
index 0000000..9a80dc3
--- /dev/null
+++ b/tests/data_files/test-ca2.key.enc
@@ -0,0 +1,9 @@
+-----BEGIN EC PRIVATE KEY-----
+Proc-Type: 4,ENCRYPTED
+DEK-Info: DES-EDE3-CBC,307EAB469933D64E
+
+IxbrRmKcAzctJqPdTQLA4SWyBYYGYJVkYEna+F7Pa5t5Yg/gKADrFKcm6B72e7DG
+ihExtZI648s0zdYw6qSJ74vrPSuWDe5qm93BqsfVH9svtCzWHW0pm1p0KTBCFfUq
+UsuWTITwJImcnlAs1gaRZ3sAWm7cOUidL0fo2G0fYUFNcYoCSLffCFTEHBuPnagb
+a77x/sY1Bvii8S9/XhDTb6pTMx06wzrm
+-----END EC PRIVATE KEY-----
\ No newline at end of file