diff --git a/tests/data_files/cli3.crt.der b/tests/data_files/cli3.crt.der
new file mode 100644
index 0000000..70878cb
--- /dev/null
+++ b/tests/data_files/cli3.crt.der
Binary files differ
diff --git a/tests/data_files/cli3.crt.pem b/tests/data_files/cli3.crt.pem
new file mode 100644
index 0000000..e823c0a
--- /dev/null
+++ b/tests/data_files/cli3.crt.pem
@@ -0,0 +1,12 @@
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
diff --git a/tests/data_files/cli3.csr b/tests/data_files/cli3.csr
new file mode 100644
index 0000000..501bc30
--- /dev/null
+++ b/tests/data_files/cli3.csr
@@ -0,0 +1,8 @@
+-----BEGIN CERTIFICATE REQUEST-----
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+-----END CERTIFICATE REQUEST-----
diff --git a/tests/data_files/cli3.key.der b/tests/data_files/cli3.key.der
new file mode 100644
index 0000000..0a1851e
--- /dev/null
+++ b/tests/data_files/cli3.key.der
Binary files differ
diff --git a/tests/data_files/cli3.key.pem b/tests/data_files/cli3.key.pem
new file mode 100644
index 0000000..3d1cd1a
--- /dev/null
+++ b/tests/data_files/cli3.key.pem
@@ -0,0 +1,5 @@
+-----BEGIN EC PRIVATE KEY-----
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+-----END EC PRIVATE KEY-----
diff --git a/tests/data_files/server11.crt.der b/tests/data_files/server11.crt.der
new file mode 100644
index 0000000..e47f10f
--- /dev/null
+++ b/tests/data_files/server11.crt.der
Binary files differ
diff --git a/tests/data_files/server11.crt.pem b/tests/data_files/server11.crt.pem
new file mode 100644
index 0000000..ad1a2ff
--- /dev/null
+++ b/tests/data_files/server11.crt.pem
@@ -0,0 +1,12 @@
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
diff --git a/tests/data_files/server11.csr b/tests/data_files/server11.csr
new file mode 100644
index 0000000..5978e34
--- /dev/null
+++ b/tests/data_files/server11.csr
@@ -0,0 +1,8 @@
+-----BEGIN CERTIFICATE REQUEST-----
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+-----END CERTIFICATE REQUEST-----
diff --git a/tests/data_files/server11.key.der b/tests/data_files/server11.key.der
new file mode 100644
index 0000000..894b8fb
--- /dev/null
+++ b/tests/data_files/server11.key.der
Binary files differ
diff --git a/tests/data_files/server11.key.pem b/tests/data_files/server11.key.pem
new file mode 100644
index 0000000..ec75875
--- /dev/null
+++ b/tests/data_files/server11.key.pem
@@ -0,0 +1,5 @@
+-----BEGIN EC PRIVATE KEY-----
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+-----END EC PRIVATE KEY-----
diff --git a/tests/data_files/test-ca3.crt.der b/tests/data_files/test-ca3.crt.der
new file mode 100644
index 0000000..75ba4bc
--- /dev/null
+++ b/tests/data_files/test-ca3.crt.der
Binary files differ
diff --git a/tests/data_files/test-ca3.crt.pem b/tests/data_files/test-ca3.crt.pem
new file mode 100644
index 0000000..66c2335
--- /dev/null
+++ b/tests/data_files/test-ca3.crt.pem
@@ -0,0 +1,12 @@
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
diff --git a/tests/data_files/test-ca3.csr b/tests/data_files/test-ca3.csr
new file mode 100644
index 0000000..b79b655
--- /dev/null
+++ b/tests/data_files/test-ca3.csr
@@ -0,0 +1,8 @@
+-----BEGIN CERTIFICATE REQUEST-----
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+-----END CERTIFICATE REQUEST-----
diff --git a/tests/data_files/test-ca3.key.der b/tests/data_files/test-ca3.key.der
new file mode 100644
index 0000000..f5d2972
--- /dev/null
+++ b/tests/data_files/test-ca3.key.der
Binary files differ
diff --git a/tests/data_files/test-ca3.key.pem b/tests/data_files/test-ca3.key.pem
new file mode 100644
index 0000000..e67005f
--- /dev/null
+++ b/tests/data_files/test-ca3.key.pem
@@ -0,0 +1,5 @@
+-----BEGIN EC PRIVATE KEY-----
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+-----END EC PRIVATE KEY-----