1 files changed, 7 insertions, 0 deletions
diff --git a/fingerprint.go b/fingerprint.go
new file mode 100644
index 0000000..9812114
--- /dev/null
+++ b/fingerprint.go
@@ -0,0 +1,7 @@
+package main
+
+import "crypto/sha256"
+
+func fingerprint(key []byte) []byte {
+	return sha256.New().Sum(key)
+}