cleanup

1 files changed, 20 insertions, 0 deletions

diff --git a/src/eu/siacs/conversations/utils/CryptoHelper.java b/src/eu/siacs/conversations/utils/CryptoHelper.java
index 6e606fa1..ebbbd967 100644
--- a/src/eu/siacs/conversations/utils/CryptoHelper.java
+++ b/src/eu/siacs/conversations/utils/CryptoHelper.java
@@ -1,5 +1,7 @@
 package eu.siacs.conversations.utils;
 
+import android.util.Base64;
+
 public class CryptoHelper {
 	final protected static char[] hexArray = "0123456789ABCDEF".toCharArray();
 	public static String bytesToHex(byte[] bytes) {
@@ -11,4 +13,22 @@ public class CryptoHelper {
 	    }
 	    return new String(hexChars);
 	}
+	public static String saslPlain(String username, String password) {
+		byte[] userBytes = username.getBytes();
+		int userLenght = userBytes.length;
+		byte[] passwordBytes = password.getBytes();
+		byte[] saslBytes = new byte[userBytes.length+passwordBytes.length+2];
+		saslBytes[0] = 0x0;
+		for(int i = 1; i < saslBytes.length; ++i) {
+			if (i<=userLenght) {
+				saslBytes[i] = userBytes[i-1];
+			} else if (i==userLenght+1) {
+				saslBytes[i] = 0x0;
+			} else {
+				saslBytes[i] = passwordBytes[i-(userLenght+2)];
+			}
+		}
+		
+		return Base64.encodeToString(saslBytes, Base64.DEFAULT);
+	}
 }