diff --git a/web/lib/validation.py b/web/lib/validation.py
index 70a66a2..3d076b8 100644
--- a/web/lib/validation.py
+++ b/web/lib/validation.py
@@ -60,6 +60,8 @@ def validate_b64hash(data, check_uniq=True):
 	"""
 	Base64 hash validation
 	"""
+	# strip leading and trailing whitespaces
+	data = data.strip()
 	length = len(data)
 	# Minimum key length 516 bytes
 	if length < 516: