diff --git a/tests/data_files/parse_input/bitstring-in-dn.pem b/tests/data_files/parse_input/bitstring-in-dn.pem
new file mode 100644
index 0000000..c50bd66
--- /dev/null
+++ b/tests/data_files/parse_input/bitstring-in-dn.pem
@@ -0,0 +1,51 @@
+-----BEGIN CERTIFICATE-----
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+-----BEGIN RSA PRIVATE KEY-----
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+-----END RSA PRIVATE KEY-----
diff --git a/tests/data_files/parse_input/cert_example_multi.crt b/tests/data_files/parse_input/cert_example_multi.crt
new file mode 100644
index 0000000..0e3295d
--- /dev/null
+++ b/tests/data_files/parse_input/cert_example_multi.crt
@@ -0,0 +1,17 @@
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
diff --git a/tests/data_files/parse_input/cert_example_multi_nocn.crt b/tests/data_files/parse_input/cert_example_multi_nocn.crt
new file mode 100644
index 0000000..1634846
--- /dev/null
+++ b/tests/data_files/parse_input/cert_example_multi_nocn.crt
@@ -0,0 +1,13 @@
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
diff --git a/tests/data_files/parse_input/cert_md5.crt b/tests/data_files/parse_input/cert_md5.crt
new file mode 100644
index 0000000..e514fd6
--- /dev/null
+++ b/tests/data_files/parse_input/cert_md5.crt
@@ -0,0 +1,20 @@
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
diff --git a/tests/data_files/parse_input/cert_sha1.crt b/tests/data_files/parse_input/cert_sha1.crt
new file mode 100644
index 0000000..1e23585
--- /dev/null
+++ b/tests/data_files/parse_input/cert_sha1.crt
@@ -0,0 +1,20 @@
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
diff --git a/tests/data_files/parse_input/cert_sha224.crt b/tests/data_files/parse_input/cert_sha224.crt
new file mode 100644
index 0000000..c8a209d
--- /dev/null
+++ b/tests/data_files/parse_input/cert_sha224.crt
@@ -0,0 +1,20 @@
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
diff --git a/tests/data_files/parse_input/cert_sha256.crt b/tests/data_files/parse_input/cert_sha256.crt
new file mode 100644
index 0000000..e56d428
--- /dev/null
+++ b/tests/data_files/parse_input/cert_sha256.crt
@@ -0,0 +1,20 @@
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
diff --git a/tests/data_files/parse_input/cert_sha384.crt b/tests/data_files/parse_input/cert_sha384.crt
new file mode 100644
index 0000000..f8ec10b
--- /dev/null
+++ b/tests/data_files/parse_input/cert_sha384.crt
@@ -0,0 +1,20 @@
+-----BEGIN CERTIFICATE-----
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new file mode 100644
index 0000000..b2254fa
--- /dev/null
+++ b/tests/data_files/parse_input/cert_sha512.crt
@@ -0,0 +1,20 @@
+-----BEGIN CERTIFICATE-----
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new file mode 100644
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new file mode 100644
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index 0000000..f16a491
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new file mode 100644
index 0000000..ac5fab2
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Binary files differ
diff --git a/tests/data_files/parse_input/rsa_single_san_uri.crt.der b/tests/data_files/parse_input/rsa_single_san_uri.crt.der
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Binary files differ
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--- /dev/null
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--- /dev/null
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new file mode 100644
index 0000000..9d70b00
--- /dev/null
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new file mode 100644
index 0000000..7d0aa39
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new file mode 100644
index 0000000..a211b92
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new file mode 100644
index 0000000..a6f9fbc
--- /dev/null
+++ b/tests/data_files/parse_input/server9.crt
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new file mode 100644
index 0000000..b9d0053
--- /dev/null
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new file mode 100644
index 0000000..fe1c797
--- /dev/null
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index 0000000..0ef9ef0
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index 0000000..676b5c9
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new file mode 100644
index 0000000..af87439
--- /dev/null
+++ b/tests/data_files/parse_input/test-ca-any_policy.crt
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diff --git a/tests/data_files/parse_input/test-ca-any_policy_ec.crt b/tests/data_files/parse_input/test-ca-any_policy_ec.crt
new file mode 100644
index 0000000..821a92c
--- /dev/null
+++ b/tests/data_files/parse_input/test-ca-any_policy_ec.crt
@@ -0,0 +1,12 @@
+-----BEGIN CERTIFICATE-----
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diff --git a/tests/data_files/parse_input/test-ca-any_policy_with_qualifier.crt b/tests/data_files/parse_input/test-ca-any_policy_with_qualifier.crt
new file mode 100644
index 0000000..a052bc6
--- /dev/null
+++ b/tests/data_files/parse_input/test-ca-any_policy_with_qualifier.crt
@@ -0,0 +1,20 @@
+-----BEGIN CERTIFICATE-----
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diff --git a/tests/data_files/parse_input/test-ca-any_policy_with_qualifier_ec.crt b/tests/data_files/parse_input/test-ca-any_policy_with_qualifier_ec.crt
new file mode 100644
index 0000000..5e1491d
--- /dev/null
+++ b/tests/data_files/parse_input/test-ca-any_policy_with_qualifier_ec.crt
@@ -0,0 +1,13 @@
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
diff --git a/tests/data_files/parse_input/test-ca-multi_policy.crt b/tests/data_files/parse_input/test-ca-multi_policy.crt
new file mode 100644
index 0000000..168e99f
--- /dev/null
+++ b/tests/data_files/parse_input/test-ca-multi_policy.crt
@@ -0,0 +1,19 @@
+-----BEGIN CERTIFICATE-----
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diff --git a/tests/data_files/parse_input/test-ca-multi_policy_ec.crt b/tests/data_files/parse_input/test-ca-multi_policy_ec.crt
new file mode 100644
index 0000000..70ea2eb
--- /dev/null
+++ b/tests/data_files/parse_input/test-ca-multi_policy_ec.crt
@@ -0,0 +1,12 @@
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
diff --git a/tests/data_files/parse_input/test-ca-unsupported_policy.crt b/tests/data_files/parse_input/test-ca-unsupported_policy.crt
new file mode 100644
index 0000000..bf47d95
--- /dev/null
+++ b/tests/data_files/parse_input/test-ca-unsupported_policy.crt
@@ -0,0 +1,19 @@
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
diff --git a/tests/data_files/parse_input/test-ca-unsupported_policy_ec.crt b/tests/data_files/parse_input/test-ca-unsupported_policy_ec.crt
new file mode 100644
index 0000000..161e83c
--- /dev/null
+++ b/tests/data_files/parse_input/test-ca-unsupported_policy_ec.crt
@@ -0,0 +1,12 @@
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
diff --git a/tests/data_files/parse_input/test-ca.crt b/tests/data_files/parse_input/test-ca.crt
new file mode 100644
index 0000000..31790b5
--- /dev/null
+++ b/tests/data_files/parse_input/test-ca.crt
@@ -0,0 +1,20 @@
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----
diff --git a/tests/data_files/parse_input/test-ca.crt.der b/tests/data_files/parse_input/test-ca.crt.der
new file mode 100644
index 0000000..5d94810f
--- /dev/null
+++ b/tests/data_files/parse_input/test-ca.crt.der
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diff --git a/tests/data_files/parse_input/test_cert_rfc822name.crt.der b/tests/data_files/parse_input/test_cert_rfc822name.crt.der
new file mode 100644
index 0000000..cdc8189
--- /dev/null
+++ b/tests/data_files/parse_input/test_cert_rfc822name.crt.der
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diff --git a/tests/data_files/parse_input/test_csr_v3_all.csr.der b/tests/data_files/parse_input/test_csr_v3_all.csr.der
new file mode 100644
index 0000000..7e717f3
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diff --git a/tests/data_files/parse_input/test_csr_v3_all_malformed_attributes_extension_request.csr.der b/tests/data_files/parse_input/test_csr_v3_all_malformed_attributes_extension_request.csr.der
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new file mode 100644
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diff --git a/tests/data_files/parse_input/test_csr_v3_all_malformed_attributes_extension_request_sequence_len2.csr.der b/tests/data_files/parse_input/test_csr_v3_all_malformed_attributes_extension_request_sequence_len2.csr.der
new file mode 100644
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Binary files differ
diff --git a/tests/data_files/parse_input/test_csr_v3_all_malformed_attributes_extension_request_sequence_tag.csr.der b/tests/data_files/parse_input/test_csr_v3_all_malformed_attributes_extension_request_sequence_tag.csr.der
new file mode 100644
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+++ b/tests/data_files/parse_input/test_csr_v3_all_malformed_attributes_extension_request_sequence_tag.csr.der
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diff --git a/tests/data_files/parse_input/test_csr_v3_all_malformed_attributes_extension_request_set_tag.csr.der b/tests/data_files/parse_input/test_csr_v3_all_malformed_attributes_extension_request_set_tag.csr.der
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Binary files differ
diff --git a/tests/data_files/parse_input/test_csr_v3_all_malformed_attributes_len1.csr.der b/tests/data_files/parse_input/test_csr_v3_all_malformed_attributes_len1.csr.der
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Binary files differ
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