diff --git a/src/testcase/twitter/OAuthHeader.java b/src/testcase/twitter/OAuthHeader.java
index 15c8316..3ad945d 100644
--- a/src/testcase/twitter/OAuthHeader.java
+++ b/src/testcase/twitter/OAuthHeader.java
@@ -55,6 +55,11 @@
 	}
 	
 	public void generateSignature(){
+		params.put("oauth_consumer_key", consumer_key);
+		params.put("oauth_signature_method", "HMAC-SHA1");
+		params.put("oauth_timestamp", String.valueOf(getUnixTime()));
+		params.put("oauth_nonce", String.valueOf(Math.random()));
+		params.put("oauth_version", "1.0");
 		String paramStr = "";
 		for (Entry<String, String> param : params.entrySet()) {
 			paramStr += "&" + param.getKey() + "=" + param.getValue();
@@ -93,7 +98,13 @@
 	}
 	
 	public String getAuthorization() {
-		return "";
+		String paramStr = "";
+		for (Entry<String, String> param : params.entrySet()) {
+			paramStr += ", " + param.getKey() + "=\""
+					+ urlEncode(param.getValue()) + "\"";
+		}
+		paramStr = paramStr.substring(2);
+		return "OAuth " + paramStr;
 	}
 	
 	private int getUnixTime() {