dls: add password hash function

src/lib.rs

@@ -83,6 +83,11 @@ impl Config {
 }
 
 pub fn base64_decode(s: &str) -> Result<Vec<u8>, base64::DecodeError> {
-    use base64::{Engine, prelude::BASE64_STANDARD_NO_PAD as B64};
+    use base64::{prelude::BASE64_STANDARD_NO_PAD as B64, Engine as _};
     B64.decode(s.trim_end_matches('='))
 }
+
+pub fn base64_encode(b: &[u8]) -> String {
+    use base64::{prelude::BASE64_STANDARD as B64, Engine as _};
+    B64.encode(b)
+}