diff --git a/lib/PayPro.js b/lib/PayPro.js
index 2588e6d..73c0741 100644
--- a/lib/PayPro.js
+++ b/lib/PayPro.js
@@ -98,6 +98,7 @@ PayPro.prototype.x509Verify = function() {
     // Get signature from current certificate:
     var data = new Buffer(der, 'hex');
     var c = rfc3280.Certificate.decode(data, 'der');
+    console.log(c.tbsCertificate);
     var sig = c.signature.data;
 
     var verifier = crypto.createVerify('RSA-' + type);
@@ -105,6 +106,13 @@ PayPro.prototype.x509Verify = function() {
     // Create a To-Be-Signed Certificate to verify using asn1.js:
     // Fails at Issuer:
     var tbs = rfc3280.TBSCertificate.encode(c.tbsCertificate, 'der');
+    var tbsd = rfc3280.TBSCertificate.decode(tbs, 'der');
+    console.log(tbsd);
+    console.log('original cert:');
+    console.log(data.toString('hex'));
+    console.log('encoded tbs:');
+    console.log(tbs.toString('hex'));
+    console.log(data.toString('hex').indexOf(tbs.toString('hex')));
     verifier.update(tbs);
 
     return verifier.verify(npubKey, sig);