From bc6f494af8994425f9a7bd9444ede8e4cd2b6b40 Mon Sep 17 00:00:00 2001
From: Josh Cummings <josh.cummings@gmail.com>
Date: Mon, 11 Jul 2022 14:04:39 -0600
Subject: [PATCH] Correct input validation for 31 rounds

Closes gh-11470
---
 .../java/org/springframework/security/crypto/bcrypt/BCrypt.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crypto/src/main/java/org/springframework/security/crypto/bcrypt/BCrypt.java b/crypto/src/main/java/org/springframework/security/crypto/bcrypt/BCrypt.java
index 559bcbcf24..0f8d082fdf 100644
--- a/crypto/src/main/java/org/springframework/security/crypto/bcrypt/BCrypt.java
+++ b/crypto/src/main/java/org/springframework/security/crypto/bcrypt/BCrypt.java
@@ -543,7 +543,7 @@ public class BCrypt {
 		}
 		else {
 			rounds = roundsForLogRounds(log_rounds);
-			if (rounds < 16 || rounds > Integer.MAX_VALUE) {
+			if (rounds < 16 || rounds > 2147483648L) {
 				throw new IllegalArgumentException("Bad number of rounds");
 			}
 		}