From fa831700a2381097e7d301aa2a3684a66975a62e Mon Sep 17 00:00:00 2001
From: Xephi59 <xephirot59@gmail.com>
Date: Fri, 31 Jul 2015 01:11:34 +0200
Subject: [PATCH] Add bcrypt_2y for new phpbb system

---
 .../xephi/authme/security/HashAlgorithm.java  |  1 +
 .../authme/security/PasswordSecurity.java     |  7 +++++-
 .../authme/security/crypts/BCRYPT2Y.java      | 24 +++++++++++++++++++
 3 files changed, 31 insertions(+), 1 deletion(-)
 create mode 100644 src/main/java/fr/xephi/authme/security/crypts/BCRYPT2Y.java

diff --git a/src/main/java/fr/xephi/authme/security/HashAlgorithm.java b/src/main/java/fr/xephi/authme/security/HashAlgorithm.java
index 10793f5ae..a9fd19e53 100644
--- a/src/main/java/fr/xephi/authme/security/HashAlgorithm.java
+++ b/src/main/java/fr/xephi/authme/security/HashAlgorithm.java
@@ -28,6 +28,7 @@ public enum HashAlgorithm {
     WORDPRESS(fr.xephi.authme.security.crypts.WORDPRESS.class),
     ROYALAUTH(fr.xephi.authme.security.crypts.ROYALAUTH.class),
     CRAZYCRYPT1(fr.xephi.authme.security.crypts.CRAZYCRYPT1.class),
+    BCRYPT2Y(fr.xephi.authme.security.crypts.BCRYPT2Y.class),
     CUSTOM(Null.class);
 
     Class<?> classe;
diff --git a/src/main/java/fr/xephi/authme/security/PasswordSecurity.java b/src/main/java/fr/xephi/authme/security/PasswordSecurity.java
index 3800d8b0f..bae32cf37 100644
--- a/src/main/java/fr/xephi/authme/security/PasswordSecurity.java
+++ b/src/main/java/fr/xephi/authme/security/PasswordSecurity.java
@@ -20,7 +20,8 @@ public class PasswordSecurity {
     private static SecureRandom rnd = new SecureRandom();
     public static HashMap<String, String> userSalt = new HashMap<String, String>();
 
-    public static String createSalt(int length) throws NoSuchAlgorithmException {
+    public static String createSalt(int length)
+            throws NoSuchAlgorithmException {
         byte[] msg = new byte[40];
         rnd.nextBytes(msg);
         MessageDigest sha1 = MessageDigest.getInstance("SHA1");
@@ -94,6 +95,10 @@ public class PasswordSecurity {
                 salt = createSalt(16);
                 userSalt.put(playerName, salt);
                 break;
+            case BCRYPT2Y:
+                salt = createSalt(22);
+                userSalt.put(playerName, salt);
+                break;
             case MD5:
             case SHA1:
             case WHIRLPOOL:
diff --git a/src/main/java/fr/xephi/authme/security/crypts/BCRYPT2Y.java b/src/main/java/fr/xephi/authme/security/crypts/BCRYPT2Y.java
new file mode 100644
index 000000000..ad7eb62ac
--- /dev/null
+++ b/src/main/java/fr/xephi/authme/security/crypts/BCRYPT2Y.java
@@ -0,0 +1,24 @@
+package fr.xephi.authme.security.crypts;
+
+import java.security.NoSuchAlgorithmException;
+
+public class BCRYPT2Y implements EncryptionMethod {
+
+    @Override
+    public String getHash(String password, String salt, String name)
+            throws NoSuchAlgorithmException {
+        if (salt.length() == 22)
+            salt = "$2y$10$" + salt;
+        return (BCRYPT.hashpw(password, salt));
+    }
+
+    @Override
+    public boolean comparePassword(String hash, String password,
+            String playerName) throws NoSuchAlgorithmException {
+        String ok = hash.substring(29);
+        if (ok.length() != 29)
+            return false;
+        return hash.equals(getHash(password, ok, playerName));
+    }
+
+}