1 files changed, 25 insertions, 0 deletions
diff --git a/shrine/utils/crypto/refs.go b/shrine/utils/crypto/refs.go
new file mode 100644
index 0000000..e038004
--- /dev/null
+++ b/shrine/utils/crypto/refs.go
@@ -0,0 +1,25 @@
+package crypto
+
+import (
+	"crypto/rand"
+	"time"
+)
+
+const alphabet = "abcdefghijklmnopqrstuvwxyz0123456789"
+
+func randomString(length int) string {
+	bytes := make([]byte, length)
+	rand.Read(bytes)
+	for i := range bytes {
+		bytes[i] = alphabet[bytes[i]%byte(len(alphabet))]
+	}
+	return string(bytes)
+}
+
+func SystemRef() string {
+	return time.Now().Format("020106") + randomString(8)
+}
+
+func Ref() string {
+	return randomString(12)
+}
+\ No newline at end of file