1 files changed, 14 insertions, 0 deletions
diff --git a/juick-xmpp/src/main/java/com/juick/components/s2s/util/DialbackUtils.java b/juick-xmpp/src/main/java/com/juick/components/s2s/util/DialbackUtils.java
new file mode 100644
index 00000000..3bb786e5
--- /dev/null
+++ b/juick-xmpp/src/main/java/com/juick/components/s2s/util/DialbackUtils.java
@@ -0,0 +1,14 @@
+package com.juick.components.s2s.util;
+
+import org.apache.commons.codec.digest.DigestUtils;
+import org.apache.commons.codec.digest.HmacUtils;
+
+/**
+ * Created by vitalyster on 05.12.2016.
+ */
+public class DialbackUtils {
+    public static String generateDialbackKey(String secret, String to, String from, String id) {
+        return HmacUtils.hmacSha256Hex(DigestUtils.sha256(secret),
+                (to + " " + from + " " + id).getBytes());
+    }
+}