Off-by-one error

paragonie · Jun 13, 2022 · c1b1d82 · c1b1d82
1 parent 4e88c9a
commit c1b1d82
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/Base32.php b/src/Base32.php
@@ -197,7 +197,7 @@ public static function decodeNoPadding(string $encodedString, bool $upper = fals
         }
         if (($srcLen & 7) === 0) {
             for ($j = 0; $j < 7 && $j < $srcLen; ++$j) {
-                if ($encodedString[$srcLen - $j] === '=') {
+                if ($encodedString[$srcLen - $j - 1] === '=') {
                     throw new InvalidArgumentException(
                         "decodeNoPadding() doesn't tolerate padding"
                     );