diff --git a/js/test-signature-string.html b/js/test-signature-string.html
new file mode 100644
index 0000000..99a9fbb
--- /dev/null
+++ b/js/test-signature-string.html
@@ -0,0 +1,111 @@
+<?xml version = "1.0" encoding="utf-8" ?>
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
+"DTD/xhtml1-strict.dtd">
+<html xmlns = "http://www.w3.org/1999/xhtml">
+
+<head>
+	<title>NDN Request Example</title>
+	<script language="JavaScript" type="text/javascript" src="securityLib/jsbn.js"></script>
+	<script language="JavaScript" type="text/javascript" src="securityLib/jsbn2.js"></script>
+	<script language="JavaScript" type="text/javascript" src="securityLib/rsa.js"></script>
+	<script language="JavaScript" type="text/javascript" src="securityLib/rsa2.js"></script>
+	
+	<script language="JavaScript" type="text/javascript" src="securityLib/sha1.js"></script>
+	<script language="JavaScript" type="text/javascript" src="securityLib/sha256.js"></script>
+	<script language="JavaScript" type="text/javascript" src="securityLib/sha512.js"></script>
+	<script language="JavaScript" type="text/javascript" src="securityLib/md5.js"></script>
+	<script language="JavaScript" type="text/javascript" src="securityLib/ripemd160.js"></script>
+	<script language="JavaScript" type="text/javascript" src="securityLib/base64.js"></script>
+	
+	<script language="JavaScript" type="text/javascript" src="securityLib/rsapem-1.1.min.js"></script>
+	<script language="JavaScript" type="text/javascript" src="securityLib/rsasign-1.2.min.js"></script>
+	<script language="JavaScript" type="text/javascript" src="securityLib/asn1hex-1.1.min.js"></script>
+	<script language="JavaScript" type="text/javascript" src="securityLib/x509-1.1.min.js"></script>
+
+		
+	<script type="text/javascript">
+		function sign(){
+			
+			var input = document.getElementById('contentname').value;
+			
+			var  _PEM_PRIVATE_KEY_STRING_ = document.getElementById('privateKey').value;
+			
+			var rsa = new RSAKey();
+			
+			rsa.readPrivateKeyFromPEMString(_PEM_PRIVATE_KEY_STRING_);
+			
+			var hSig = rsa.signString(input, "sha256");
+			
+			document.getElementById('result').innerHTML = hSig;
+
+		}
+		function verify(){
+			var input = document.getElementById('contentname').value;
+			
+			var signature = document.getElementById('result').innerHTML;
+			
+			var  _PEM_X509CERT_STRING_ = document.getElementById('certificate').value;
+			
+			var x509 = new X509();
+			
+			x509.readCertPEM(_PEM_X509CERT_STRING_);
+			
+			var result = x509.subjectPublicKeyRSA.verifyString(input, signature);
+			
+			if(result)
+				document.getElementById('result').innerHTML = 'SIGNATURE VALID';
+			else
+				document.getElementById('result').innerHTML = 'SIGNATURE INVALID';
+
+			
+		}
+
+	</script>
+	
+
+</head>
+<body >
+	<form>
+		
+		<input id="privateKey" type="hidden" value="-----BEGIN RSA PRIVATE KEY-----
+			MIICWwIBAAKBgQDRhGF7X4A0ZVlEg594WmODVVUIiiPQs04aLmvfg8SborHss5gQ
+			Xu0aIdUT6nb5rTh5hD2yfpF2WIW6M8z0WxRhwicgXwi80H1aLPf6lEPPLvN29EhQ
+			NjBpkFkAJUbS8uuhJEeKw0cE49g80eBBF4BCqSL6PFQbP9/rByxdxEoAIQIDAQAB
+			AoGAA9/q3Zk6ib2GFRpKDLO/O2KMnAfR+b4XJ6zMGeoZ7Lbpi3MW0Nawk9ckVaX0
+			ZVGqxbSIX5Cvp/yjHHpww+QbUFrw/gCjLiiYjM9E8C3uAF5AKJ0r4GBPl4u8K4bp
+			bXeSxSB60/wPQFiQAJVcA5xhZVzqNuF3EjuKdHsw+dk+dPECQQDubX/lVGFgD/xY
+			uchz56Yc7VHX+58BUkNSewSzwJRbcueqknXRWwj97SXqpnYfKqZq78dnEF10SWsr
+			/NMKi+7XAkEA4PVqDv/OZAbWr4syXZNv/Mpl4r5suzYMMUD9U8B2JIRnrhmGZPzL
+			x23N9J4hEJ+Xh8tSKVc80jOkrvGlSv+BxwJAaTOtjA3YTV+gU7Hdza53sCnSw/8F
+			YLrgc6NOJtYhX9xqdevbyn1lkU0zPr8mPYg/F84m6MXixm2iuSz8HZoyzwJARi2p
+			aYZ5/5B2lwroqnKdZBJMGKFpUDn7Mb5hiSgocxnvMkv6NjT66Xsi3iYakJII9q8C
+			Ma1qZvT/cigmdbAh7wJAQNXyoizuGEltiSaBXx4H29EdXNYWDJ9SS5f070BRbAIl
+			dqRh3rcNvpY6BKJqFapda1DjdcncZECMizT/GMrc1w==
+			-----END RSA PRIVATE KEY-----"></input>
+		
+		
+		<input id="certificate" type="hidden" value="-----BEGIN CERTIFICATE-----
+			MIIBvTCCASYCCQD55fNzc0WF7TANBgkqhkiG9w0BAQUFADAjMQswCQYDVQQGEwJK
+			UDEUMBIGA1UEChMLMDAtVEVTVC1SU0EwHhcNMTAwNTI4MDIwODUxWhcNMjAwNTI1
+			MDIwODUxWjAjMQswCQYDVQQGEwJKUDEUMBIGA1UEChMLMDAtVEVTVC1SU0EwgZ8w
+			DQYJKoZIhvcNAQEBBQADgY0AMIGJAoGBANGEYXtfgDRlWUSDn3haY4NVVQiKI9Cz
+			Thoua9+DxJuiseyzmBBe7Roh1RPqdvmtOHmEPbJ+kXZYhbozzPRbFGHCJyBfCLzQ
+			fVos9/qUQ88u83b0SFA2MGmQWQAlRtLy66EkR4rDRwTj2DzR4EEXgEKpIvo8VBs/
+			3+sHLF3ESgAhAgMBAAEwDQYJKoZIhvcNAQEFBQADgYEAEZ6mXFFq3AzfaqWHmCy1
+			ARjlauYAa8ZmUFnLm0emg9dkVBJ63aEqARhtok6bDQDzSJxiLpCEF6G4b/Nv/M/M
+			LyhP+OoOTmETMegAVQMq71choVJyOFE5BtQa6M/lCHEOya5QUfoRF2HF9EjRF44K
+			3OK+u3ivTSj3zwjtpudY5Xo=
+			-----END CERTIFICATE-----"></input>
+
+		Please Enter a Text to sign:<br /><input id="contentname" type="text" name="CONTENTNAME" value="/PARC/CCNX" /> <br />
+	
+	</form>
+	<button onclick="sign()">Sign</button>
+	<button onclick="verify()">Verify</button>
+	
+	
+
+		<p id="result"></p>
+
+</body>
+</html>
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