From 4ffd0b56d21d42a6707487b0515defa6c66fb5e6 Mon Sep 17 00:00:00 2001
From: Sudipto Chandra <dipu.sudipta@gmail.com>
Date: Tue, 7 Jul 2026 02:05:29 +0400
Subject: [PATCH] Update regex for hash validation in crypt_data.dart

---
 lib/src/codecs/crypt/crypt_data.dart | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/lib/src/codecs/crypt/crypt_data.dart b/lib/src/codecs/crypt/crypt_data.dart
index 1f38fa2..7f37970 100644
--- a/lib/src/codecs/crypt/crypt_data.dart
+++ b/lib/src/codecs/crypt/crypt_data.dart
@@ -89,7 +89,6 @@ class CryptData {
     final versionRe = RegExp(r'^(0|[1-9][0-9]*)$');
     final alnumRe = RegExp(r'^[a-z0-9-]{1,32}$');
     final valueRe = RegExp(r'^[a-zA-Z0-9/+.-]+$');
-    final b64Re = RegExp(r'^[a-zA-Z0-9/+]+$');
 
     // id
     if (!alnumRe.hasMatch(id)) {
@@ -132,9 +131,9 @@ class CryptData {
     }
 
     // hash (optional)
-    if (hash != null && !b64Re.hasMatch(hash!)) {
+    if (hash != null && !valueRe.hasMatch(hash!)) {
       throw ArgumentError.value(
-          hash, 'hash', 'expected B64 string without padding');
+          hash, 'hash', 'must be characters in [a-zA-Z0-9/+.-]');
     }
   }
 }