[jboss-cvs] JBossAS SVN: r83426 - branches/Branch_4_2/connector/src/main/org/jboss/resource/security.

[jboss-cvs-commits at lists.jboss.org]

Author: mmoyses
Date: 2009-01-26 14:15:32 -0500 (Mon, 26 Jan 2009)
New Revision: 83426

Modified:
   branches/Branch_4_2/connector/src/main/org/jboss/resource/security/SecureIdentityLoginModule.java
Log:
JBAS-3457: fix for passwords that have leading zeros

Modified: branches/Branch_4_2/connector/src/main/org/jboss/resource/security/SecureIdentityLoginModule.java
===================================================================
--- branches/Branch_4_2/connector/src/main/org/jboss/resource/security/SecureIdentityLoginModule.java	2009-01-26 18:44:22 UTC (rev 83425)
+++ branches/Branch_4_2/connector/src/main/org/jboss/resource/security/SecureIdentityLoginModule.java	2009-01-26 19:15:32 UTC (rev 83426)
@@ -168,6 +168,20 @@
       BigInteger n = new BigInteger(secret, 16);
       byte[] encoding = n.toByteArray();
       
+      //JBAS-3457: fix leading zeros
+      if (encoding.length % 8 != 0)
+      {
+         int length = encoding.length;
+         int newLength = ((length / 8) + 1) * 8;
+         int pad = newLength - length; //number of leading zeros
+         byte[] old = encoding;
+         encoding = new byte[newLength];
+         for (int i = old.length - 1; i >= 0; i--)
+         {
+            encoding[i + pad] = old[i];
+         }
+      }
+      
       Cipher cipher = Cipher.getInstance("Blowfish");
       cipher.init(Cipher.DECRYPT_MODE, key);
       byte[] decode = cipher.doFinal(encoding);