diff --git a/tests/data_files/server1-ms.req.sha256 b/tests/data_files/parse_input/server1-ms.req.sha256
similarity index 100%
rename from tests/data_files/server1-ms.req.sha256
rename to tests/data_files/parse_input/server1-ms.req.sha256
diff --git a/tests/data_files/server1.req.commas.sha256 b/tests/data_files/parse_input/server1.req.commas.sha256
similarity index 100%
rename from tests/data_files/server1.req.commas.sha256
rename to tests/data_files/parse_input/server1.req.commas.sha256
diff --git a/tests/data_files/parse_input/server1.req.md5 b/tests/data_files/parse_input/server1.req.md5
new file mode 100644
index 0000000..57714ed
--- /dev/null
+++ b/tests/data_files/parse_input/server1.req.md5
@@ -0,0 +1,16 @@
+-----BEGIN CERTIFICATE REQUEST-----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+-----END CERTIFICATE REQUEST-----
diff --git a/tests/data_files/parse_input/server1.req.sha1 b/tests/data_files/parse_input/server1.req.sha1
new file mode 100644
index 0000000..578ec7f
--- /dev/null
+++ b/tests/data_files/parse_input/server1.req.sha1
@@ -0,0 +1,16 @@
+-----BEGIN CERTIFICATE REQUEST-----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+-----END CERTIFICATE REQUEST-----
diff --git a/tests/data_files/parse_input/server1.req.sha224 b/tests/data_files/parse_input/server1.req.sha224
new file mode 100644
index 0000000..a4f2af4
--- /dev/null
+++ b/tests/data_files/parse_input/server1.req.sha224
@@ -0,0 +1,16 @@
+-----BEGIN CERTIFICATE REQUEST-----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+-----END CERTIFICATE REQUEST-----
diff --git a/tests/data_files/parse_input/server1.req.sha256 b/tests/data_files/parse_input/server1.req.sha256
new file mode 100644
index 0000000..6d21dc5
--- /dev/null
+++ b/tests/data_files/parse_input/server1.req.sha256
@@ -0,0 +1,16 @@
+-----BEGIN CERTIFICATE REQUEST-----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+-----END CERTIFICATE REQUEST-----
diff --git a/tests/data_files/parse_input/server1.req.sha384 b/tests/data_files/parse_input/server1.req.sha384
new file mode 100644
index 0000000..b857af7
--- /dev/null
+++ b/tests/data_files/parse_input/server1.req.sha384
@@ -0,0 +1,16 @@
+-----BEGIN CERTIFICATE REQUEST-----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+-----END CERTIFICATE REQUEST-----
diff --git a/tests/data_files/parse_input/server1.req.sha512 b/tests/data_files/parse_input/server1.req.sha512
new file mode 100644
index 0000000..85d5246
--- /dev/null
+++ b/tests/data_files/parse_input/server1.req.sha512
@@ -0,0 +1,16 @@
+-----BEGIN CERTIFICATE REQUEST-----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+-----END CERTIFICATE REQUEST-----
diff --git a/tests/data_files/server5.req.sha1 b/tests/data_files/parse_input/server5.req.sha1
similarity index 100%
rename from tests/data_files/server5.req.sha1
rename to tests/data_files/parse_input/server5.req.sha1
diff --git a/tests/data_files/server5.req.sha224 b/tests/data_files/parse_input/server5.req.sha224
similarity index 100%
rename from tests/data_files/server5.req.sha224
rename to tests/data_files/parse_input/server5.req.sha224
diff --git a/tests/data_files/server5.req.sha256 b/tests/data_files/parse_input/server5.req.sha256
similarity index 100%
rename from tests/data_files/server5.req.sha256
rename to tests/data_files/parse_input/server5.req.sha256
diff --git a/tests/data_files/server5.req.sha384 b/tests/data_files/parse_input/server5.req.sha384
similarity index 100%
rename from tests/data_files/server5.req.sha384
rename to tests/data_files/parse_input/server5.req.sha384
diff --git a/tests/data_files/server5.req.sha512 b/tests/data_files/parse_input/server5.req.sha512
similarity index 100%
rename from tests/data_files/server5.req.sha512
rename to tests/data_files/parse_input/server5.req.sha512
diff --git a/tests/data_files/server9.req.sha1 b/tests/data_files/parse_input/server9.req.sha1
similarity index 100%
rename from tests/data_files/server9.req.sha1
rename to tests/data_files/parse_input/server9.req.sha1
diff --git a/tests/data_files/server9.req.sha224 b/tests/data_files/parse_input/server9.req.sha224
similarity index 100%
rename from tests/data_files/server9.req.sha224
rename to tests/data_files/parse_input/server9.req.sha224
diff --git a/tests/data_files/server9.req.sha256 b/tests/data_files/parse_input/server9.req.sha256
similarity index 100%
rename from tests/data_files/server9.req.sha256
rename to tests/data_files/parse_input/server9.req.sha256
diff --git a/tests/data_files/server9.req.sha384 b/tests/data_files/parse_input/server9.req.sha384
similarity index 100%
rename from tests/data_files/server9.req.sha384
rename to tests/data_files/parse_input/server9.req.sha384
diff --git a/tests/data_files/server9.req.sha512 b/tests/data_files/parse_input/server9.req.sha512
similarity index 100%
rename from tests/data_files/server9.req.sha512
rename to tests/data_files/parse_input/server9.req.sha512
diff --git a/tests/data_files/test_csr_v3_all.csr.der b/tests/data_files/parse_input/test_csr_v3_all.csr.der
similarity index 100%
rename from tests/data_files/test_csr_v3_all.csr.der
rename to tests/data_files/parse_input/test_csr_v3_all.csr.der
Binary files differ
diff --git a/tests/data_files/test_csr_v3_keyUsage.csr.der b/tests/data_files/parse_input/test_csr_v3_keyUsage.csr.der
similarity index 100%
rename from tests/data_files/test_csr_v3_keyUsage.csr.der
rename to tests/data_files/parse_input/test_csr_v3_keyUsage.csr.der
Binary files differ
diff --git a/tests/data_files/test_csr_v3_nsCertType.csr.der b/tests/data_files/parse_input/test_csr_v3_nsCertType.csr.der
similarity index 100%
rename from tests/data_files/test_csr_v3_nsCertType.csr.der
rename to tests/data_files/parse_input/test_csr_v3_nsCertType.csr.der
Binary files differ
diff --git a/tests/data_files/test_csr_v3_subjectAltName.csr.der b/tests/data_files/parse_input/test_csr_v3_subjectAltName.csr.der
similarity index 100%
rename from tests/data_files/test_csr_v3_subjectAltName.csr.der
rename to tests/data_files/parse_input/test_csr_v3_subjectAltName.csr.der
Binary files differ