1 files changed, 15 insertions, 0 deletions
diff --git a/utils/random_id.go b/utils/random_id.go
new file mode 100644
index 0000000..e6dc731
--- /dev/null
+++ b/utils/random_id.go
@@ -0,0 +1,15 @@
+package utils
+
+import (
+	"crypto/rand"
+	"fmt"
+)
+
+// RandomId returns a 128-bit hex id, handy for sessions, db rows, etc.
+func RandomId() string {
+	id := make([]byte, 16)
+	if _, err := rand.Read(id); err != nil {
+		panic(err)
+	}
+	return fmt.Sprintf("%x", id)
+}