first commit

lib/CreateDeviceId.go

@@ -0,0 +1,17 @@
+package lib
+
+import (
+	"crypto/md5"
+	"encoding/hex"
+)
+
+func CreateDeviceId(s string) string {
+	if s == "" || s == "string" {
+		s = RandSeq(15)
+	}
+
+	h := md5.New()
+	h.Write([]byte(s))
+	md5string := hex.EncodeToString(h.Sum(nil))
+	return "49" + md5string[2:]
+}