对接

internal/utils/serial/serial.go

@@ -0,0 +1,16 @@
+package serial
+
+import (
+	"crypto/rand"
+	"encoding/base32"
+	"fmt"
+)
+
+// New appends a 26-character base32 value with 128 random bits to prefix.
+func New(prefix string) (string, error) {
+	var entropy [16]byte
+	if _, err := rand.Read(entropy[:]); err != nil {
+		return "", fmt.Errorf("generate serial number: %w", err)
+	}
+	return prefix + base32.StdEncoding.WithPadding(base32.NoPadding).EncodeToString(entropy[:]), nil
+}