diff --git a/Rakefile b/Rakefile
index 4f4b858..01c2acf 100644
--- a/Rakefile
+++ b/Rakefile
@@ -4,4 +4,13 @@ task :default do
   system("rake -T")
 end
 
+task :gen_certs do
+  plaintext_path = "spec/fixtures/plaintext"
+  encrypted_path = "spec/fixtures/encrypted"
+  `openssl genrsa -out #{plaintext_path}/instance.key 4096`
+  `openssl rsa -in #{plaintext_path}/instance.key -out #{encrypted_path}/instance.key -aes128 -traditional -passout pass:1234567890`
+  `openssl req -new -x509 -key #{plaintext_path}/instance.key -out #{plaintext_path}/instance.crt -days 365 -subj "/CN=localhost"`
+  `openssl req -new -x509 -key #{plaintext_path}/instance.key -out #{encrypted_path}/instance.crt -days 365 -subj "/CN=localhost"`
+end
+
 require "logstash/devutils/rake"
diff --git a/spec/fixtures/encrypted/instance.crt b/spec/fixtures/encrypted/instance.crt
index e0a2cb1..944eee0 100644
--- a/spec/fixtures/encrypted/instance.crt
+++ b/spec/fixtures/encrypted/instance.crt
@@ -1,19 +1,29 @@
 -----BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----
diff --git a/spec/fixtures/encrypted/instance.key b/spec/fixtures/encrypted/instance.key
index 31aeb83..9fe6e37 100644
--- a/spec/fixtures/encrypted/instance.key
+++ b/spec/fixtures/encrypted/instance.key
@@ -1,30 +1,54 @@
 -----BEGIN RSA PRIVATE KEY-----
 Proc-Type: 4,ENCRYPTED
-DEK-Info: AES-128-CBC,635374A0A566A0189BE4366E77881457
+DEK-Info: AES-128-CBC,4E027532A0DE587AFF949BA191AB0BC1
 
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 -----END RSA PRIVATE KEY-----
diff --git a/spec/fixtures/plaintext/instance.crt b/spec/fixtures/plaintext/instance.crt
index 0f2840b..e2e41ac 100644
--- a/spec/fixtures/plaintext/instance.crt
+++ b/spec/fixtures/plaintext/instance.crt
@@ -1,19 +1,29 @@
 -----BEGIN CERTIFICATE-----
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+N5J4xyJ3nD50j/y9KeM3s7pDHENyIQtstJ3kMyCaD97SSlcXxTlinYOp2SIl
 -----END CERTIFICATE-----
diff --git a/spec/fixtures/plaintext/instance.key b/spec/fixtures/plaintext/instance.key
index f9749ef..b743ee8 100644
--- a/spec/fixtures/plaintext/instance.key
+++ b/spec/fixtures/plaintext/instance.key
@@ -1,27 +1,52 @@
------BEGIN RSA PRIVATE KEY-----
-MIIEpAIBAAKCAQEAjSyxg8ZZ5xrRgwhUBPGcQD/5YUv95ZZxtpfkl5okD6DpbEyz
-YHoUQx9pLFq4asdkla1g0/WzSmm3MkQ8BnLHdOS/yg21JqLeuk6hxjd5sT9JZeVB
-3vEda/L7DmWzUtEcg1SkScxmGN0epcWMiKmawBeKHNT8GseRYZ911yjzxi5oyC1Z
-ssipCv+gfJ3YXoqBBvIc9IPfmEJi8tCIcRju8ie0DoD2ZhJ1tmDRm8j5AYS9maFh
-dmMo7LtV+DynXOZ9sidd110I6QGnmBcO7xpHGKBpACLdj4RKdU/EOvrb5UTMJ2Z3
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-uvR//OXXM4cQXpFAAXZb/s2j8wi+on5bkUZxPjrOBKmjQF5zOC0UEW+TqJ2/EVmX
-bI3eD0eqgHbDqtUL12tA6Zlw8s+e3iO2Pgt/6K/iUTm+OebWUtQ012Osz9EJCNte
-+MNRGaV/WccdTDWYJIhbsx+bmyrsxxW49rwvgxI26tpJYp0QEmwEiDqfc8kRFWgy
-xVSt8Rjwk418YdsYUIGrO6RsGkwsCOTJWUJpBOzLBKwj4do5l5fC2g1/MSlj7Odj
-0HH/riBmzBj/YcyMlkhfGU0Zj/OlDnz8FP5HhfpYsGxvrjOYJ49Cl4cu8r47wnFP
-nx4RMmUCgYEA4U9hOtp8oJ+Ztio/1I6bAb/hKLJ3LNeV46697/lTy6tSVmYJ1DGJ
-YU3P5wmOpjZC2xs22VyX/vgC1v5RT0Jg8CGgXukmMV1gQQch6gAQci9+ZJ4LRz9U
-++dXyKuUbqncx9ezFwddBr+jQuu6Wn2AHljEp7wZGaijxD2lsp4B8vcCgYEAoGd8
-w+hre2pGy5PKJPSoPp+9tNVJasXe3DM6ZYEZkd+96gStA+8UlSYe9hP+Taik7oUJ
-SYzELfyU8s+9XWozaa1T5PeyY8jIbEnUHWy8Uag4dHY7ooR+7b3iAD4RLfx3o2GP
-vJwP3i2FwklDbbyugVXZBfkSf2NJ4QidYIWzGFcCgYAD4MHjqW8LtLOIlyGSHwI7
-/Xl6ode7RdqmmJNcVgZDMyevpQH2TQP4UMaLS3bRFY4BB27iPt2+3bXuzWHI43OX
-rnx8JbcqkljdxamnxWiDDp42TSIUj9p+m3S/V3Suku3h4qyKcO4A97tvo28Jr69M
-1mpMGMi10FlBP25irKWL8QKBgQCZqKlnjrWwA24QROJnpoupeiMkIRH0m9rS/Kwb
-YqHZEQoALTyEwTnpaxxLxXlecYiWCZGNCLFCEG2rcQBJhZv8xxLQC8yzNDtzKQJu
-saRxYQG75ytXky94lebzLoIMmIcPVz13g9TblKZHKSHT9OUCdvewdhqXN8klLrh8
-J3gafwKBgQDcn/8lzfmbsKO/V9fzEbqUQJOJkwyf2adLFD+KlHM3+VAghnj70j05
-1XDkQ3LOgKrqPdC/HIGjjlkTn6vaieXltHguMg99nPpzj+LXrtN22ru2eTjjUNsD
-+uB9N4kgUAR00xu60xkkOSK1TcudeL5uwejO2ul0tkDu1YGDvhXymA==
------END RSA PRIVATE KEY-----
+-----BEGIN PRIVATE KEY-----
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+lPOZLrvZERYij5i0IrQj5bFvj9JjAGj3Nt4Y9jOzk8MDyRzyyVYexe4i2OxF7lo/
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+o22D2dsjujfyKKiKar1g0pjn2ouLyGI=
+-----END PRIVATE KEY-----