diff --git a/js/securityLib/x509-1.1.js b/js/securityLib/x509-1.1.js
index d8cb473..c34c015 100644
--- a/js/securityLib/x509-1.1.js
+++ b/js/securityLib/x509-1.1.js
@@ -232,6 +232,24 @@
   this.hex = hCert;
 }
 
+/**
+ * read hex formatted X.509 certificate from string.
+ * @name readCertHex
+ * @memberOf X509#
+ * @function
+ * @param {String} hCert string for hex formatted X.509 certificate
+ */
+function _x509_readCertHex(hCert) {
+  hCert = hCert.toLowerCase();
+  var a = _x509_getPublicKeyHexArrayFromCertHex(hCert);
+  var rsa = new RSAKey();
+  rsa.setPublic(a[0], a[1]);
+  this.subjectPublicKeyRSA = rsa;
+  this.subjectPublicKeyRSA_hN = a[0];
+  this.subjectPublicKeyRSA_hE = a[1];
+  this.hex = hCert;
+}
+
 function _x509_readCertPEMWithoutRSAInit(sCertPEM) {
   var hCert = _x509_pemToHex(sCertPEM);
   var a = _x509_getPublicKeyHexArrayFromCertHex(hCert);
@@ -260,6 +278,7 @@
 }
 
 X509.prototype.readCertPEM = _x509_readCertPEM;
+X509.prototype.readCertHex = _x509_readCertHex;
 X509.prototype.readCertPEMWithoutRSAInit = _x509_readCertPEMWithoutRSAInit;
 X509.prototype.getSerialNumberHex = _x509_getSerialNumberHex;
 X509.prototype.getIssuerHex = _x509_getIssuerHex;