diff --git a/regress/unittests/sshkey/testdata/rsa_1_sha1 b/regress/unittests/sshkey/testdata/rsa_1_sha1
new file mode 100644
index 0000000..5de3f84
--- /dev/null
+++ b/regress/unittests/sshkey/testdata/rsa_1_sha1
@@ -0,0 +1,15 @@
+-----BEGIN RSA PRIVATE KEY-----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+-----END RSA PRIVATE KEY-----
diff --git a/regress/unittests/sshkey/testdata/rsa_1_sha1-cert.pub b/regress/unittests/sshkey/testdata/rsa_1_sha1-cert.pub
new file mode 100644
index 0000000..ff49d75
--- /dev/null
+++ b/regress/unittests/sshkey/testdata/rsa_1_sha1-cert.pub
@@ -0,0 +1 @@
+ssh-rsa-cert-v01@openssh.com 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 RSA test key #1
diff --git a/regress/unittests/sshkey/testdata/rsa_1_sha1.pub b/regress/unittests/sshkey/testdata/rsa_1_sha1.pub
new file mode 100644
index 0000000..23ef872
--- /dev/null
+++ b/regress/unittests/sshkey/testdata/rsa_1_sha1.pub
@@ -0,0 +1 @@
+ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAAAgQDLV5lUTt7FrADseB/CGhEZzpoojjEW5y8+ePvLppmK3MmMI18ud6vxzpK3bwZLYkVSyfJYI0HmIuGhdu7yMrW6wb84gbq8C31Xoe9EORcIUuGSvDKdNSM1SjlhDquRblDFB8kToqXyx1lqrXecXylxIUOL0jE+u0rU1967pDJx+w== RSA test key #1
diff --git a/regress/unittests/sshkey/testdata/rsa_1_sha512 b/regress/unittests/sshkey/testdata/rsa_1_sha512
new file mode 100644
index 0000000..5de3f84
--- /dev/null
+++ b/regress/unittests/sshkey/testdata/rsa_1_sha512
@@ -0,0 +1,15 @@
+-----BEGIN RSA PRIVATE KEY-----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+-----END RSA PRIVATE KEY-----
diff --git a/regress/unittests/sshkey/testdata/rsa_1_sha512-cert.pub b/regress/unittests/sshkey/testdata/rsa_1_sha512-cert.pub
new file mode 100644
index 0000000..4745196
--- /dev/null
+++ b/regress/unittests/sshkey/testdata/rsa_1_sha512-cert.pub
@@ -0,0 +1 @@
+ssh-rsa-cert-v01@openssh.com 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 RSA test key #1
diff --git a/regress/unittests/sshkey/testdata/rsa_1_sha512.pub b/regress/unittests/sshkey/testdata/rsa_1_sha512.pub
new file mode 100644
index 0000000..23ef872
--- /dev/null
+++ b/regress/unittests/sshkey/testdata/rsa_1_sha512.pub
@@ -0,0 +1 @@
+ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAAAgQDLV5lUTt7FrADseB/CGhEZzpoojjEW5y8+ePvLppmK3MmMI18ud6vxzpK3bwZLYkVSyfJYI0HmIuGhdu7yMrW6wb84gbq8C31Xoe9EORcIUuGSvDKdNSM1SjlhDquRblDFB8kToqXyx1lqrXecXylxIUOL0jE+u0rU1967pDJx+w== RSA test key #1