From 0c201019475deedf6009a059efc45199f6026533 Mon Sep 17 00:00:00 2001
From: Xephi59 <xephirot59@gmail.com>
Date: Sat, 1 Aug 2015 03:03:54 +0200
Subject: [PATCH] Bcrypt only support $2a previously

---
 src/main/java/fr/xephi/authme/security/crypts/BCRYPT.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/fr/xephi/authme/security/crypts/BCRYPT.java b/src/main/java/fr/xephi/authme/security/crypts/BCRYPT.java
index 5cfa87f0..847e9951 100644
--- a/src/main/java/fr/xephi/authme/security/crypts/BCRYPT.java
+++ b/src/main/java/fr/xephi/authme/security/crypts/BCRYPT.java
@@ -395,7 +395,7 @@ public class BCRYPT implements EncryptionMethod {
             off = 3;
         else {
             minor = salt.charAt(2);
-            if (minor != 'a' || salt.charAt(3) != '$')
+            if (minor < 'a' || minor > 'z' || salt.charAt(3) != '$')
                 throw new IllegalArgumentException("Invalid salt revision");
             off = 4;
         }