1 files changed, 14 insertions, 0 deletions
diff --git a/src/eu/siacs/conversations/utils/CryptoHelper.java b/src/eu/siacs/conversations/utils/CryptoHelper.java
new file mode 100644
index 00000000..6e606fa1
--- /dev/null
+++ b/src/eu/siacs/conversations/utils/CryptoHelper.java
@@ -0,0 +1,14 @@
+package eu.siacs.conversations.utils;
+
+public class CryptoHelper {
+	final protected static char[] hexArray = "0123456789ABCDEF".toCharArray();
+	public static String bytesToHex(byte[] bytes) {
+	    char[] hexChars = new char[bytes.length * 2];
+	    for ( int j = 0; j < bytes.length; j++ ) {
+	        int v = bytes[j] & 0xFF;
+	        hexChars[j * 2] = hexArray[v >>> 4];
+	        hexChars[j * 2 + 1] = hexArray[v & 0x0F];
+	    }
+	    return new String(hexChars);
+	}
+}