diff --git a/.gitignore b/.gitignore
index 2153e3a54cdf6503e70e8451ac01e617f350535b..efbe8a81ee3cfc5765b2e92888b62dd0a290ce36 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@
 id_ed25519
 id_ed25519.pub
 license.txt
+!license/licenseutil/testdata/*
diff --git a/license/licenseutil/testdata/id_ed25519 b/license/licenseutil/testdata/id_ed25519
new file mode 100644
index 0000000000000000000000000000000000000000..291ffd0cdb136b0425a6bf518eac427172227248
--- /dev/null
+++ b/license/licenseutil/testdata/id_ed25519
@@ -0,0 +1 @@
+igKcBrZcRZDtpBfiInmQREgbsKL31jI2K9f7AitmKUYIfb/bvHeOb46yRyG8nbhLern1OdvXf0Td/rClQ8pyDQ==
\ No newline at end of file
diff --git a/license/licenseutil/testdata/id_ed25519.pub b/license/licenseutil/testdata/id_ed25519.pub
new file mode 100644
index 0000000000000000000000000000000000000000..cd7dcecc242650e19b99165953707ee753fa56dd
--- /dev/null
+++ b/license/licenseutil/testdata/id_ed25519.pub
@@ -0,0 +1 @@
+CH2/27x3jm+OskchvJ24S3q59Tnb139E3f6wpUPKcg0=
\ No newline at end of file
diff --git a/license/licenseutil/testdata/license.txt b/license/licenseutil/testdata/license.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b52e0131ab451395dfbcceaebd3ed56843519e4e
--- /dev/null
+++ b/license/licenseutil/testdata/license.txt
@@ -0,0 +1,7 @@
+-----BEGIN LICENSE KEY-----
+q0hU7VFWASXA5FZnHiYnvt+DD3Gw2u4HTXDXIzYDzSbHkgSI7MoMjhz2KHSw7PFP
+1WLWUQwxT1XnzCw/HRndC3siY3VzIjoiY3VzX0N4b3lxYUM0cDRIamwwIiwic3Vi
+Ijoic3ViX0E0bDlYa0N4eVpQY1MyIiwiaWF0IjoiMjAxOC0wNS0zMVQxNjoyMjo0
+Ny40ODcwNDc2ODlaIiwiZXhwIjoiMjAxOC0wNy0wMVQxNjoyMjo0Ny40ODcwNDc0
+NzdaIn0=
+-----END LICENSE KEY-----
diff --git a/license/licenseutil/testdata/license_invalid_encoding.txt b/license/licenseutil/testdata/license_invalid_encoding.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6a7e9bf83a8d021b3cc892096d72c37f8a408956
--- /dev/null
+++ b/license/licenseutil/testdata/license_invalid_encoding.txt
@@ -0,0 +1,7 @@
+-----BEGIN LICENSE KEY-----
+iAQ3sNM0CgQIb9DpurcnVdScJaUp6ml86Q+V/WWTO11i3rogtvfElWLCCKFVcQA6
+joJxOqCoRMwbga3tdOG7DnsiY3VzIjoiY3VzX0N4b3lxYUM0cDRIamwwIiwic3Vi
+Ijoic3ViX0E0bDlYa0N4eVpQY1MyIiwiaWF0IjoiMjAxOC0wNS0zMVQxNjoyMjoy
+MC40MjIzMTE5MThaIiwiZXhwIjoiMjAxOC0wNy0wMVQxNjoyMjoyMC40MjIzMTE2
+MDVaIn0===
+-----END LICENSE KEY-----
diff --git a/license/licenseutil/testdata/license_invalid_json.txt b/license/licenseutil/testdata/license_invalid_json.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9251f67d22e700bd57481f24b59ae8595261cec1
--- /dev/null
+++ b/license/licenseutil/testdata/license_invalid_json.txt
@@ -0,0 +1,3 @@
+-----BEGIN LICENSE KEY-----
+VHdhcyBicmlsbGlnLCBhbmQgdGhlIHNsaXRoeSB0b3Zlcw==
+-----END LICENSE KEY-----
diff --git a/license/licenseutil/testdata/license_invalid_signature.txt b/license/licenseutil/testdata/license_invalid_signature.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7c7b1a5a5e8f4c4daa2eee45a550211c2658662f
--- /dev/null
+++ b/license/licenseutil/testdata/license_invalid_signature.txt
@@ -0,0 +1,7 @@
+-----BEGIN LICENSE KEY-----
+iAQ3sNM0CgQIb9DpurcnVdScJaUp6ml86Q+V/WWTO11i3rogtvfElWLCCKFVcQA6
+joJxOqCoRMwbga3tdOG7DnsiY3VzIjoiY3VzX0N4b3lxYUM0cDRIamwwIiwic3Vi
+Ijoic3ViX0E0bDlYa0N4eVpQY1MyIiwiaWF0IjoiMjAxOC0wNS0zMVQxNjoyMjoy
+MC40MjIzMTE5MThaIiwiZXhwIjoiMjAxOC0wNy0wMVQxNjoyMjoyMC40MjIzMTE2
+MDVaIn0=
+-----END LICENSE KEY-----